mirror of
https://github.com/MaSzyna-EU07/maszyna.git
synced 2026-07-18 00:49:19 +02:00
5453 lines
183 KiB
C++
5453 lines
183 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#include "stdafx.h"
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#include "rendering/opengl33renderer.h"
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#include "utilities/color.h"
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#include "utilities/Globals.h"
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#include "utilities/Timer.h"
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#include "vehicle/Train.h"
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#include "vehicle/Camera.h"
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#include "simulation/simulation.h"
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#include "utilities/Logs.h"
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#include "simulation/simulationtime.h"
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#include "application/application.h"
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#include "model/AnimModel.h"
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#include "rendering/opengl33geometrybank.h"
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#include "rendering/screenshot.h"
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#include <imgui/imgui_impl_opengl3.h>
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//#define EU07_DEBUG_OPENGL
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int constexpr EU07_PICKBUFFERSIZE{ 1024 }; // size of (square) textures bound with the pick framebuffer
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int constexpr EU07_REFLECTIONFIDELITYOFFSET { 250 }; // artificial increase of range for reflection pass detail reduction
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void GLAPIENTRY
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ErrorCallback( GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, const void* userParam ) {
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/*
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auto const typestring {
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type == GL_DEBUG_TYPE_ERROR ? "error" :
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type == GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR ? "deprecated behavior" :
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type == GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR ? "undefined behavior" :
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type == GL_DEBUG_TYPE_PORTABILITY ? "portability" :
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type == GL_DEBUG_TYPE_PERFORMANCE ? "performance" :
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type == GL_DEBUG_TYPE_OTHER ? "other" :
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"unknown" };
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*/
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auto const severitystring {
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severity == GL_DEBUG_SEVERITY_HIGH ? "high severity" :
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severity == GL_DEBUG_SEVERITY_MEDIUM ? "medium severity" :
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severity == GL_DEBUG_SEVERITY_LOW ? "low severity" :
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severity == GL_DEBUG_SEVERITY_NOTIFICATION ? "notification" :
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"unknown" };
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ErrorLog(
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"bad gfx code: " + std::string( type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR ** " : "" )
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+ to_hex_str( id )
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+ " (" + severitystring + ") "
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+ message );
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}
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bool opengl33_renderer::Init(GLFWwindow *Window)
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{
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if (Global.gfx_gldebug && GLAD_GL_KHR_debug) {
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glEnable( GL_DEBUG_OUTPUT );
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glEnable( GL_DEBUG_OUTPUT_SYNCHRONOUS );
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glDebugMessageControl( GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_NOTIFICATION, 0, nullptr, GL_FALSE );
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glDebugMessageControl( GL_DONT_CARE, GL_DEBUG_TYPE_PERFORMANCE, GL_DONT_CARE, 0, nullptr, GL_FALSE );
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glDebugMessageCallback( ErrorCallback, 0 );
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}
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if (!Init_caps())
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return false;
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WriteLog("preparing renderer..");
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OpenGLMatrices.upload() = false; // set matrix stack in virtual mode
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m_window = Window;
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gl::glsl_common_setup();
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if (true == Global.ScaleSpecularValues)
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{
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m_specularopaquescalefactor = 0.25f;
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m_speculartranslucentscalefactor = 1.5f;
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}
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// rgb value for 5780 kelvin
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Global.DayLight.diffuse[0] = 255.0f / 255.0f;
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Global.DayLight.diffuse[1] = 242.0f / 255.0f;
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Global.DayLight.diffuse[2] = 231.0f / 255.0f;
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Global.DayLight.is_directional = true;
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m_sunlight.id = opengl33_renderer::sunlight;
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// create dynamic light pool
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for (int idx = 0; idx < Global.DynamicLightCount; ++idx)
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{
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opengl33_light light;
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light.id = 1 + idx;
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light.is_directional = false;
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m_lights.emplace_back(light);
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}
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// preload some common textures
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WriteLog("Loading common gfx data...");
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m_glaretexture = Fetch_Texture("fx/lightglare");
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m_suntexture = Fetch_Texture("fx/sun");
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m_moontexture = Fetch_Texture("fx/moon");
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m_smoketexture = Fetch_Texture("fx/smoke");
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m_headlightstexture = Fetch_Texture("fx/headlights:st");
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WriteLog("...gfx data pre-loading done");
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// prepare basic geometry chunks
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float const size = 2.5f / 2.0f;
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auto const geometrybank = Create_Bank();
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gfx::vertex_array billboard_array{
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{{-size, size, 0.f}, glm::vec3(), {1.f, 1.f}}, {{size, size, 0.f}, glm::vec3(), {0.f, 1.f}}, {{-size, -size, 0.f}, glm::vec3(), {1.f, 0.f}}, {{size, -size, 0.f}, glm::vec3(), {0.f, 0.f}}};
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gfx::userdata_array userdata{};
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m_billboardgeometry = m_geometry.create_chunk(billboard_array, userdata, geometrybank, GL_TRIANGLE_STRIP);
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m_empty_vao = std::make_unique<gl::vao>();
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try
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{
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m_vertex_shader = std::make_unique<gl::shader>("vertex.vert");
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m_line_shader = make_shader("traction.vert", "traction.frag");
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m_freespot_shader = make_shader("freespot.vert", "freespot.frag");
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m_shadow_shader = make_shader("simpleuv.vert", "shadowmap.frag");
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m_alpha_shadow_shader = make_shader("simpleuv.vert", "alphashadowmap.frag");
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m_pick_shader = make_shader("vertexonly.vert", "pick.frag");
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m_pick_surface_shader = make_shader("simpleuv.vert", "pick_surface.frag");
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m_billboard_shader = make_shader("simpleuv.vert", "billboard.frag");
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m_celestial_shader = make_shader("celestial.vert", "celestial.frag");
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m_hiddenarea_shader = make_shader("hiddenarea.vert", "hiddenarea.frag");
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m_copy_shader = make_shader("quad.vert", "copy.frag");
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if (Global.gfx_usegles)
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m_depth_pointer_shader = make_shader("quad.vert", "gles_depthpointer.frag");
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m_invalid_material = Fetch_Material("invalid");
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}
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catch (gl::shader_exception const &e)
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{
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ErrorLog("invalid shader: " + std::string(e.what()));
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return false;
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}
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scene_ubo = std::make_unique<gl::ubo>(sizeof(gl::scene_ubs), 0);
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model_ubo = std::make_unique<gl::ubo>(sizeof(gl::model_ubs), 1, GL_STREAM_DRAW);
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light_ubo = std::make_unique<gl::ubo>(sizeof(gl::light_ubs), 2);
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instance_ubo = std::make_unique<gl::ubo>(sizeof(gl::instance_ubs), 3, GL_STREAM_DRAW);
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// better initialize with 0 to not crash driver/whole system
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// when we forget
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memset(&light_ubs, 0, sizeof(light_ubs));
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memset(&model_ubs, 0, sizeof(model_ubs));
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memset(&scene_ubs, 0, sizeof(scene_ubs));
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light_ubo->update(light_ubs);
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model_ubo->update(model_ubs);
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scene_ubo->update(scene_ubs);
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// initialize instance_ubo slot 0 to identity. This is the matrix sampled by
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// gl_InstanceID==0 in non-instanced draws, so existing rendering paths
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// continue to multiply effective_modelview = identity * modelview = modelview.
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{
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glm::mat4 identity( 1.0f );
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instance_ubo->update( reinterpret_cast<uint8_t const*>(&identity), 0, sizeof(identity) );
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}
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int samples = 1 << Global.iMultisampling;
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if (!Global.gfx_usegles && samples > 1)
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glEnable(GL_MULTISAMPLE);
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m_pfx_motionblur = std::make_unique<gl::postfx>("motionblur");
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m_pfx_tonemapping = std::make_unique<gl::postfx>("tonemapping");
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m_pfx_chromaticaberration = std::make_unique<gl::postfx>( "chromaticaberration" );
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m_pfx_ssao = std::make_unique<gl::postfx>("ssao");
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m_pfx_ssao_blur = std::make_unique<gl::postfx>("ssao_blur");
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m_pfx_ssao_apply = std::make_unique<gl::postfx>("ssao_apply");
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// Generate hemisphere kernel (z > 0 = toward surface normal)
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std::uniform_real_distribution<float> rnd(0.0f, 1.0f);
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std::default_random_engine gen(42); // fixed seed for consistency
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for (int i = 0; i < 32; i++) {
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glm::vec3 s(rnd(gen)*2.0f-1.0f, rnd(gen)*2.0f-1.0f, rnd(gen));
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s = glm::normalize(s) * rnd(gen);
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float scale = float(i) / 32.0f;
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scale = glm::mix(0.1f, 1.0f, scale * scale); // accelerating interpolant
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m_ssao_kernel[i] = s * scale;
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}
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// Generate 4x4 noise texture (random rotation vectors in XY)
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std::vector<glm::vec3> noise_data;
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for (int i = 0; i < 16; i++)
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noise_data.push_back(glm::normalize(glm::vec3(rnd(gen)*2.0f-1.0f, rnd(gen)*2.0f-1.0f, 0.0f)));
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// noise texture (4x4 random rotation vectors in tangent space)
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// noise texture (4x4 random rotation vectors in tangent space)
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m_ssao_noise_tex = std::make_unique<opengl_texture>();
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m_ssao_noise_tex->alloc_rendertarget(GL_RGB32F, GL_RGB, 4, 4, 1, 1, GL_REPEAT);
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m_ssao_noise_tex->bind(0);
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 4, 4, GL_RGB, GL_FLOAT, noise_data.data());
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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m_empty_cubemap = std::make_unique<gl::cubemap>();
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m_empty_cubemap->alloc(Global.gfx_format_color, 16, 16, GL_RGB, GL_FLOAT);
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m_viewports.push_back(std::make_unique<viewport_config>());
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viewport_config &default_viewport = *m_viewports.front().get();
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default_viewport.width = Global.gfx_framebuffer_width;
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default_viewport.height = Global.gfx_framebuffer_height;
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default_viewport.main = true;
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default_viewport.shadow = true;
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default_viewport.window = m_window;
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default_viewport.draw_range = 1.0f;
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if (Global.vr) {
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vr = vr_interface_factory::get_instance()->create(Global.vr_backend);
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crashreport_add_info("vr_backend", Global.vr_backend);
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}
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if (vr) {
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glm::ivec2 target_size = vr->get_target_size();
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WriteLog("using vr rendertarget: " + glm::to_string(target_size));
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// hijack main window for left eye
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default_viewport.width = target_size.x;
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default_viewport.height = target_size.y;
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default_viewport.custom_backbuffer = true;
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default_viewport.proj_type = viewport_config::vr_left;
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// create right eye viewport
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m_viewports.push_back(std::make_unique<viewport_config>());
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m_viewports.back()->width = target_size.x;
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m_viewports.back()->height = target_size.y;
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m_viewports.back()->window = m_window; // we can reuse context
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m_viewports.back()->real_window = false; // but don't draw anything to it
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m_viewports.back()->custom_backbuffer = true;
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m_viewports.back()->proj_type = viewport_config::vr_right;
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m_viewports.back()->draw_range = 1.0f;
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m_viewports.back()->shadow = true;
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if (!init_viewport(*m_viewports.back()))
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return false;
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}
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if (!init_viewport(default_viewport))
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return false;
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glfwMakeContextCurrent(m_window);
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if (Global.gfx_shadowmap_enabled)
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{
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m_shadow_fb = std::make_unique<gl::framebuffer>();
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m_shadow_tex = std::make_unique<opengl_texture>();
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m_shadow_tex->alloc_rendertarget(Global.gfx_format_depth, GL_DEPTH_COMPONENT, m_shadowbuffersize, m_shadowbuffersize, m_shadowpass.size());
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m_shadow_fb->attach(*m_shadow_tex, GL_DEPTH_ATTACHMENT, 0);
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m_shadow_fb->setup_drawing(0);
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if( !m_shadow_fb->is_complete() ) {
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ErrorLog( "shadow framebuffer setup failed" );
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return false;
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}
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WriteLog("shadows enabled");
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}
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if (Global.gfx_envmap_enabled)
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{
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m_env_rb = std::make_unique<gl::renderbuffer>();
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m_env_rb->alloc(Global.gfx_format_depth, gl::ENVMAP_SIZE, gl::ENVMAP_SIZE);
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m_env_tex = std::make_unique<gl::cubemap>();
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m_env_tex->alloc(Global.gfx_format_color, gl::ENVMAP_SIZE, gl::ENVMAP_SIZE, GL_RGB, GL_FLOAT);
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m_env_fb = std::make_unique<gl::framebuffer>();
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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for (int i = 0; i < 6; i++)
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{
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m_env_fb->attach(*m_empty_cubemap, i, GL_COLOR_ATTACHMENT0);
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m_env_fb->clear(GL_COLOR_BUFFER_BIT);
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}
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m_env_fb->detach(GL_COLOR_ATTACHMENT0);
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m_env_fb->attach(*m_env_rb, GL_DEPTH_ATTACHMENT);
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WriteLog("envmap enabled");
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}
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m_pick_tex = std::make_unique<opengl_texture>();
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m_pick_tex->alloc_rendertarget(GL_RGB8, GL_RGB, EU07_PICKBUFFERSIZE, EU07_PICKBUFFERSIZE);
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m_pick_rb = std::make_unique<gl::renderbuffer>();
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m_pick_rb->alloc(Global.gfx_format_depth, EU07_PICKBUFFERSIZE, EU07_PICKBUFFERSIZE);
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m_pick_fb = std::make_unique<gl::framebuffer>();
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m_pick_fb->attach(*m_pick_tex, GL_COLOR_ATTACHMENT0);
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m_pick_fb->attach(*m_pick_rb, GL_DEPTH_ATTACHMENT);
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if( !m_pick_fb->is_complete() ) {
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ErrorLog( "pick framebuffer setup failed" );
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return false;
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}
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m_picking_pbo = std::make_unique<gl::pbo>();
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m_picking_node_pbo = std::make_unique<gl::pbo>();
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GLenum depth_pointer_format = Global.gfx_format_depth;
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if (Global.gfx_skippipeline)
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{
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gl::framebuffer::unbind();
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GLint bits, type;
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glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_DEPTH, GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE, &bits);
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glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_DEPTH, GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE, &type);
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if (type == GL_FLOAT && bits == 32)
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depth_pointer_format = GL_DEPTH_COMPONENT32F;
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else if (bits == 16)
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depth_pointer_format = GL_DEPTH_COMPONENT16;
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else if (bits == 24)
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depth_pointer_format = GL_DEPTH_COMPONENT24;
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else if (bits == 32)
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depth_pointer_format = GL_DEPTH_COMPONENT32;
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}
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m_depth_pointer_pbo = std::make_unique<gl::pbo>();
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if (!Global.gfx_usegles && Global.iMultisampling)
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{
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m_depth_pointer_rb = std::make_unique<gl::renderbuffer>();
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m_depth_pointer_rb->alloc(depth_pointer_format, 1, 1);
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m_depth_pointer_fb = std::make_unique<gl::framebuffer>();
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m_depth_pointer_fb->attach(*m_depth_pointer_rb, GL_DEPTH_ATTACHMENT);
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m_depth_pointer_fb->setup_drawing(0);
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if( !m_depth_pointer_fb->is_complete() ) {
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ErrorLog( "depth pointer framebuffer setup failed" );
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return false;
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}
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}
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else if (Global.gfx_usegles)
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{
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m_depth_pointer_tex = std::make_unique<opengl_texture>();
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m_depth_pointer_tex->alloc_rendertarget(depth_pointer_format, GL_DEPTH_COMPONENT, Global.gfx_framebuffer_width, Global.gfx_framebuffer_height);
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m_depth_pointer_rb = std::make_unique<gl::renderbuffer>();
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m_depth_pointer_rb->alloc(GL_R16UI, Global.gfx_framebuffer_width, Global.gfx_framebuffer_height);
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m_depth_pointer_fb = std::make_unique<gl::framebuffer>();
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m_depth_pointer_fb->attach(*m_depth_pointer_tex, GL_DEPTH_ATTACHMENT);
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m_depth_pointer_fb2 = std::make_unique<gl::framebuffer>();
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m_depth_pointer_fb2->attach(*m_depth_pointer_rb, GL_COLOR_ATTACHMENT0);
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if( !m_depth_pointer_fb->is_complete() ) {
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ErrorLog( "depth pointer framebuffer setup failed" );
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return false;
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}
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if( !m_depth_pointer_fb2->is_complete() ) {
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ErrorLog( "depth pointer framebuffer2 setup failed" );
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return false;
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}
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}
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if (!Global.gfx_usegles) {
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m_timequery.emplace(gl::query::TIME_ELAPSED);
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m_timequery->begin();
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}
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WriteLog("picking objects created");
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WriteLog("Gfx Renderer: setup complete");
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return true;
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}
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|
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void opengl33_renderer::Shutdown()
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{
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vr.reset();
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}
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|
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bool opengl33_renderer::AddViewport(const global_settings::extraviewport_config &conf)
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{
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viewport_config *vp;
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|
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if (conf.monitor == "MAIN") {
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vp = m_viewports.front().get();
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}
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else {
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m_viewports.push_back(std::make_unique<viewport_config>());
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vp = m_viewports.back().get();
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vp->window = Application.window(-1, true, conf.width, conf.height, Application.find_monitor(conf.monitor));
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}
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vp->width = conf.width;
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vp->height = conf.height;
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vp->projection = conf.projection;
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vp->proj_type = viewport_config::custom;
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vp->draw_range = conf.draw_range;
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bool ret = init_viewport(*vp);
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glfwMakeContextCurrent(m_window);
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return ret;
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}
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bool opengl33_renderer::init_viewport(viewport_config &vp)
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{
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if (vp.initialized)
|
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return true;
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||
|
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glfwMakeContextCurrent(vp.window);
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||
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WriteLog("init viewport: " + std::to_string(vp.width) + " x " + std::to_string(vp.height));
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if (vp.real_window)
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glfwSwapInterval( Global.VSync ? 1 : 0 );
|
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|
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
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glPixelStorei(GL_PACK_ALIGNMENT, 1);
|
||
|
||
glClearColor( 51.0f / 255.f, 102.0f / 255.f, 85.0f / 255.f, 1.f ); // initial background Color
|
||
|
||
glFrontFace(GL_CCW);
|
||
glEnable(GL_CULL_FACE);
|
||
|
||
glEnable(GL_DEPTH_TEST);
|
||
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
glEnable(GL_BLEND);
|
||
|
||
if (!Global.gfx_usegles)
|
||
glClearDepth(0.0f);
|
||
else
|
||
glClearDepthf(0.0f);
|
||
|
||
glDepthFunc(GL_GEQUAL);
|
||
|
||
if (GLAD_GL_ARB_clip_control)
|
||
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
|
||
else if (GLAD_GL_EXT_clip_control)
|
||
glClipControlEXT(GL_LOWER_LEFT_EXT, GL_ZERO_TO_ONE_EXT);
|
||
|
||
if (!Global.gfx_usegles)
|
||
glEnable(GL_PROGRAM_POINT_SIZE);
|
||
|
||
if (!gl::vao::use_vao)
|
||
{
|
||
GLuint v;
|
||
glGenVertexArrays(1, &v);
|
||
glBindVertexArray(v);
|
||
}
|
||
|
||
int samples = 1 << Global.iMultisampling;
|
||
|
||
model_ubo->bind_uniform();
|
||
scene_ubo->bind_uniform();
|
||
light_ubo->bind_uniform();
|
||
|
||
if (!Global.gfx_skippipeline)
|
||
{
|
||
vp.msaa_rbc = std::make_unique<gl::renderbuffer>();
|
||
vp.msaa_rbc->alloc(Global.gfx_format_color, vp.width, vp.height, samples);
|
||
|
||
vp.msaa_rbd = std::make_unique<gl::renderbuffer>();
|
||
vp.msaa_rbd->alloc(Global.gfx_format_depth, vp.width, vp.height, samples);
|
||
|
||
vp.msaa_fb = std::make_unique<gl::framebuffer>();
|
||
vp.msaa_fb->attach(*vp.msaa_rbc, GL_COLOR_ATTACHMENT0);
|
||
vp.msaa_fb->attach(*vp.msaa_rbd, GL_DEPTH_ATTACHMENT);
|
||
|
||
if (Global.gfx_postfx_chromaticaberration_enabled || Global.gfx_postfx_motionblur_enabled || Global.gfx_postfx_ssao_enabled)
|
||
{
|
||
vp.main_tex = std::make_unique<opengl_texture>();
|
||
vp.main_tex->alloc_rendertarget(Global.gfx_format_color, GL_RGB, vp.width, vp.height, 1, 1, GL_CLAMP_TO_EDGE);
|
||
|
||
vp.main_texd = std::make_unique<opengl_texture>();
|
||
vp.main_texd->alloc_rendertarget(Global.gfx_format_depth, GL_DEPTH_COMPONENT, vp.width, vp.height, 1, 1, GL_CLAMP_TO_EDGE);
|
||
|
||
vp.main_fb = std::make_unique<gl::framebuffer>();
|
||
vp.main_fb->attach(*vp.main_tex, GL_COLOR_ATTACHMENT0);
|
||
vp.main_fb->attach(*vp.main_texd, GL_DEPTH_ATTACHMENT);
|
||
|
||
if (Global.gfx_postfx_motionblur_enabled)
|
||
{
|
||
vp.main_texv = std::make_unique<opengl_texture>();
|
||
vp.main_texv->alloc_rendertarget(Global.gfx_postfx_motionblur_format, GL_RG, vp.width, vp.height);
|
||
vp.main_fb->attach(*vp.main_texv, GL_COLOR_ATTACHMENT1);
|
||
} else
|
||
|
||
if( !vp.main_fb->is_complete() ) {
|
||
ErrorLog( "main framebuffer setup failed" );
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (Global.gfx_postfx_motionblur_enabled)
|
||
{
|
||
vp.msaa_rbv = std::make_unique<gl::renderbuffer>();
|
||
vp.msaa_rbv->alloc(Global.gfx_postfx_motionblur_format, vp.width, vp.height, samples);
|
||
vp.msaa_fb->attach(*vp.msaa_rbv, GL_COLOR_ATTACHMENT1);
|
||
|
||
WriteLog("motion blur enabled");
|
||
}
|
||
|
||
if( !vp.msaa_fb->is_complete() ) {
|
||
ErrorLog( "msaa framebuffer setup failed" );
|
||
return false;
|
||
}
|
||
|
||
vp.main2_tex = std::make_unique<opengl_texture>();
|
||
vp.main2_tex->alloc_rendertarget(Global.gfx_format_color, GL_RGB, vp.width, vp.height);
|
||
|
||
vp.main2_fb = std::make_unique<gl::framebuffer>();
|
||
vp.main2_fb->attach(*vp.main2_tex, GL_COLOR_ATTACHMENT0);
|
||
|
||
if (Global.gfx_postfx_ssao_enabled)
|
||
{
|
||
int ssao_w = std::max(1, vp.width / 2);
|
||
int ssao_h = std::max(1, vp.height / 2);
|
||
|
||
vp.ssao_tex = std::make_unique<opengl_texture>();
|
||
vp.ssao_tex->alloc_rendertarget(GL_R8, GL_RED, ssao_w, ssao_h, 1, 1, GL_CLAMP_TO_EDGE);
|
||
vp.ssao_fb = std::make_unique<gl::framebuffer>();
|
||
vp.ssao_fb->attach(*vp.ssao_tex, GL_COLOR_ATTACHMENT0);
|
||
if (!vp.ssao_fb->is_complete()) { ErrorLog("ssao framebuffer setup failed"); return false; }
|
||
|
||
vp.ssao_blur_tex = std::make_unique<opengl_texture>();
|
||
vp.ssao_blur_tex->alloc_rendertarget(GL_R8, GL_RED, ssao_w, ssao_h, 1, 1, GL_CLAMP_TO_EDGE);
|
||
vp.ssao_blur_fb = std::make_unique<gl::framebuffer>();
|
||
vp.ssao_blur_fb->attach(*vp.ssao_blur_tex, GL_COLOR_ATTACHMENT0);
|
||
if (!vp.ssao_blur_fb->is_complete()) { ErrorLog("ssao blur framebuffer setup failed"); return false; }
|
||
}
|
||
|
||
if (!vp.main2_fb->is_complete())
|
||
return false;
|
||
}
|
||
|
||
if (vp.custom_backbuffer)
|
||
{
|
||
vp.backbuffer_tex = std::make_unique<opengl_texture>();
|
||
vp.backbuffer_tex->alloc_rendertarget(GL_SRGB8, GL_RGB, vp.width, vp.height);
|
||
|
||
vp.backbuffer_fb = std::make_unique<gl::framebuffer>();
|
||
vp.backbuffer_fb->attach(*vp.backbuffer_tex, GL_COLOR_ATTACHMENT0);
|
||
if (!vp.backbuffer_fb->is_complete())
|
||
return false;
|
||
}
|
||
|
||
vp.initialized = true;
|
||
return true;
|
||
}
|
||
|
||
std::unique_ptr<gl::program> opengl33_renderer::make_shader(std::string v, std::string f)
|
||
{
|
||
gl::shader vert(v);
|
||
gl::shader frag(f);
|
||
gl::program *prog = new gl::program({vert, frag});
|
||
return std::unique_ptr<gl::program>(prog);
|
||
}
|
||
|
||
bool opengl33_renderer::Render()
|
||
{
|
||
Timer::subsystem.gfx_total.start();
|
||
|
||
if (!Global.gfx_usegles)
|
||
{
|
||
std::optional<int64_t> result = m_timequery->result();
|
||
if (result) {
|
||
m_gllasttime = *result;
|
||
m_timequery->begin();
|
||
}
|
||
}
|
||
|
||
// fetch simulation data
|
||
if (simulation::is_ready)
|
||
{
|
||
m_sunlight = Global.DayLight;
|
||
// quantize sun angle to reduce shadow crawl
|
||
auto const quantizationstep{0.004f};
|
||
m_sunlight.direction = glm::normalize(quantizationstep * glm::roundEven(m_sunlight.direction * (1.f / quantizationstep)));
|
||
}
|
||
// generate new frame
|
||
opengl_texture::reset_unit_cache();
|
||
|
||
m_renderpass.draw_mode = rendermode::none; // force setup anew
|
||
m_renderpass.draw_stats = debug_stats();
|
||
m_geometry.primitives_count() = 0;
|
||
|
||
if (vr)
|
||
vr->begin_frame();
|
||
|
||
for (auto &viewport : m_viewports) {
|
||
Render_pass(*viewport, rendermode::color);
|
||
}
|
||
|
||
glfwMakeContextCurrent(m_window);
|
||
|
||
gl::framebuffer::unbind();
|
||
|
||
m_current_viewport = &(*m_viewports.front());
|
||
/*
|
||
m_debugtimestext += "cpu: " + to_string(Timer::subsystem.gfx_color.average(), 2) + " ms (" + std::to_string(m_cellqueue.size()) + " sectors)\n" +=
|
||
"cpu swap: " + to_string(Timer::subsystem.gfx_swap.average(), 2) + " ms\n" += "uilayer: " + to_string(Timer::subsystem.gfx_gui.average(), 2) + "ms\n" +=
|
||
"mainloop total: " + to_string(Timer::subsystem.mainloop_total.average(), 2) + "ms\n";
|
||
|
||
*/
|
||
if (!Global.gfx_usegles)
|
||
{
|
||
m_timequery->end();
|
||
|
||
/*
|
||
if (m_gllasttime)
|
||
m_debugtimestext += "gpu: " + to_string((double)(m_gllasttime / 1000ULL) / 1000.0, 3) + "ms";
|
||
*/
|
||
}
|
||
|
||
++m_framestamp;
|
||
Timer::subsystem.gfx_total.stop();
|
||
|
||
// swapbuffers() could unbind current buffers so we prepare for it on our end
|
||
gfx::opengl33_vaogeometrybank::reset();
|
||
|
||
return true; // for now always succeed
|
||
}
|
||
|
||
void opengl33_renderer::SwapBuffers()
|
||
{
|
||
Timer::subsystem.gfx_swap.start();
|
||
|
||
for (auto &viewport : m_viewports) {
|
||
if (viewport->window && viewport->real_window)
|
||
glfwSwapBuffers(viewport->window);
|
||
}
|
||
|
||
if (vr)
|
||
vr->finish_frame();
|
||
|
||
Timer::subsystem.gfx_swap.stop();
|
||
|
||
m_debugtimestext.clear();
|
||
m_debugtimestext =
|
||
"cpu frame total: " + to_string( Timer::subsystem.gfx_color.average() + Timer::subsystem.gfx_shadows.average() + Timer::subsystem.gfx_swap.average(), 2 ) + " ms\n"
|
||
+ " color: " + to_string( Timer::subsystem.gfx_color.average(), 2 ) + " ms (" + std::to_string( m_cellqueue.size() ) + " sectors)\n";
|
||
if( Global.gfx_shadowmap_enabled ) {
|
||
m_debugtimestext +=
|
||
" shadows: " + to_string( Timer::subsystem.gfx_shadows.average(), 2 ) + " ms\n";
|
||
}
|
||
m_debugtimestext += " swap: " + to_string( Timer::subsystem.gfx_swap.average(), 2 ) + " ms\n";
|
||
if( !Global.gfx_usegles ) {
|
||
if (m_gllasttime)
|
||
m_debugtimestext += "gpu frame total: " + to_string((double)(m_gllasttime / 1000ULL) / 1000.0, 3) + " ms\n";
|
||
}
|
||
m_debugtimestext += "uilayer: " + to_string( Timer::subsystem.gfx_gui.average(), 2 ) + " ms\n";
|
||
if( DebugModeFlag )
|
||
m_debugtimestext += m_textures.info();
|
||
|
||
debug_stats shadowstats;
|
||
for( auto const &shadowpass : m_shadowpass ) {
|
||
shadowstats += shadowpass.draw_stats;
|
||
}
|
||
|
||
m_debugstatstext =
|
||
"triangles: " + to_string( static_cast<int>(m_geometry.primitives_count()), 7 ) + "\n"
|
||
+ "vehicles: " + to_string( m_colorpass.draw_stats.dynamics, 7 ) + " +" + to_string( shadowstats.dynamics, 7 )
|
||
+ " =" + to_string( m_colorpass.draw_stats.dynamics + shadowstats.dynamics, 7 ) + "\n"
|
||
+ "models: " + to_string( m_colorpass.draw_stats.models, 7 ) + " +" + to_string( shadowstats.models, 7 )
|
||
+ " =" + to_string( m_colorpass.draw_stats.models + shadowstats.models, 7 ) + "\n"
|
||
+ "drawcalls: " + to_string( m_colorpass.draw_stats.drawcalls, 7 ) + " +" + to_string( shadowstats.drawcalls, 7 )
|
||
+ " =" + to_string( m_colorpass.draw_stats.drawcalls + shadowstats.drawcalls, 7 ) + "\n"
|
||
+ " instanced:" + to_string( m_colorpass.draw_stats.instances, 7 ) + " +" + to_string( shadowstats.instances, 7 )
|
||
+ " =" + to_string( m_colorpass.draw_stats.instances + shadowstats.instances, 7 )
|
||
+ " (" + std::to_string( m_colorpass.draw_stats.instanced_drawcalls + shadowstats.instanced_drawcalls ) + " batches)\n"
|
||
+ " inst-pool:" + std::to_string( TAnimModel::s_instanceable_total )
|
||
+ "/" + std::to_string( TAnimModel::s_classified_total )
|
||
+ " rej(noModel/lights/anim/animSubM): "
|
||
+ std::to_string( TAnimModel::s_rejected_no_pmodel ) + "/"
|
||
+ std::to_string( TAnimModel::s_rejected_lights ) + "/"
|
||
+ std::to_string( TAnimModel::s_rejected_animlist ) + "/"
|
||
+ std::to_string( TAnimModel::s_rejected_animated_submodel ) + "\n"
|
||
+ " submodels:" + to_string( m_colorpass.draw_stats.submodels, 7 ) + " +" + to_string( shadowstats.submodels, 7 )
|
||
+ " =" + to_string( m_colorpass.draw_stats.submodels + shadowstats.submodels, 7 ) + "\n"
|
||
+ " paths: " + to_string( m_colorpass.draw_stats.paths, 7 ) + " +" + to_string( shadowstats.paths, 7 )
|
||
+ " =" + to_string( m_colorpass.draw_stats.paths + shadowstats.paths, 7 ) + "\n"
|
||
+ " shapes: " + to_string( m_colorpass.draw_stats.shapes, 7 ) + " +" + to_string( shadowstats.shapes, 7 )
|
||
+ " =" + to_string( m_colorpass.draw_stats.shapes + shadowstats.shapes, 7 ) + "\n"
|
||
+ " traction: " + to_string( m_colorpass.draw_stats.traction, 7 ) + "\n"
|
||
+ " lines: " + to_string( m_colorpass.draw_stats.lines, 7 ) + "\n"
|
||
+ "particles: " + to_string( m_colorpass.draw_stats.particles, 7 );
|
||
}
|
||
|
||
void opengl33_renderer::draw_debug_ui()
|
||
{
|
||
if (!debug_ui_active)
|
||
return;
|
||
|
||
if (ImGui::Begin("Headlight config", &debug_ui_active))
|
||
{
|
||
ImGui::SetWindowSize(ImVec2(0, 0));
|
||
|
||
headlight_config_s &conf = headlight_config;
|
||
ImGui::SliderFloat("in_cutoff", &conf.in_cutoff, 0.9f, 1.1f);
|
||
ImGui::SliderFloat("out_cutoff", &conf.out_cutoff, 0.9f, 1.1f);
|
||
|
||
ImGui::SliderFloat("falloff_linear", &conf.falloff_linear, 0.0f, 1.0f, "%.3f", 2.0f);
|
||
ImGui::SliderFloat("falloff_quadratic", &conf.falloff_quadratic, 0.0f, 1.0f, "%.3f", 2.0f);
|
||
|
||
ImGui::SliderFloat("ambient", &conf.ambient, 0.0f, 3.0f);
|
||
ImGui::SliderFloat("intensity", &conf.intensity, 0.0f, 10.0f);
|
||
}
|
||
ImGui::End();
|
||
|
||
ImGui::SetNextWindowSize(ImVec2S(400, 400));
|
||
if (ImGui::Begin("Pickbuffer") && m_pick_tex) {
|
||
ImGui::Image((ImTextureID)(intptr_t)(m_pick_tex->id), ImGui::GetContentRegionAvail(), ImVec2(0, 1.0), ImVec2(1.0, 0));
|
||
}
|
||
ImGui::End();
|
||
|
||
}
|
||
|
||
// runs jobs needed to generate graphics for specified render pass
|
||
void opengl33_renderer::Render_pass(viewport_config &vp, rendermode const Mode)
|
||
{
|
||
setup_pass(vp, m_renderpass, Mode);
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
|
||
case rendermode::color:
|
||
{
|
||
glDebug("rendermode::color");
|
||
|
||
glDebug("context switch");
|
||
static bool was_made = false;
|
||
|
||
if (m_current_viewport != &vp)
|
||
{
|
||
glfwMakeContextCurrent(vp.window);
|
||
m_current_viewport = &vp;
|
||
}
|
||
|
||
if ((!simulation::is_ready) || (Global.gfx_skiprendering))
|
||
{
|
||
gl::framebuffer::unbind();
|
||
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
if (vp.main) {
|
||
// clear state for ui
|
||
gl::program::unbind();
|
||
Application.render_ui();
|
||
}
|
||
break;
|
||
}
|
||
|
||
m_colorpass = m_renderpass; // cache pass data
|
||
|
||
scene_ubs.time = Timer::GetTime();
|
||
{
|
||
float percipitation_intensity = glm::saturate(Global.Overcast - 1.);
|
||
scene_ubs.rain_params.x = percipitation_intensity; // % amount of droplets
|
||
scene_ubs.rain_params.y = glm::mix(15., 1., percipitation_intensity); // Regeneration time
|
||
if (TDynamicObject const *owner = Global.pCamera.m_owner; owner && !!owner->MoverParameters->CabActive)
|
||
{
|
||
for (int i = 0; i < 4; ++i)
|
||
{
|
||
if (i < owner->dWiperPos.size())
|
||
{
|
||
int index = owner->MoverParameters->CabActive > 0 ? i : static_cast<int>(owner->dWiperPos.size() - 1) - i;
|
||
scene_ubs.wiper_pos[i] = owner->dWiperPos[index];
|
||
if (owner->dWiperPos[index] > 0. && owner->wiperDirection[index])
|
||
{
|
||
scene_ubs.wiper_pos[i] += 1.;
|
||
}
|
||
if (owner->dWiperPos[index] < .025)
|
||
{
|
||
scene_ubs.wiper_timer_out[i] = scene_ubs.time;
|
||
}
|
||
if (owner->dWiperPos[index] > .975)
|
||
{
|
||
scene_ubs.wiper_timer_return[i] = scene_ubs.time;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
scene_ubs.wiper_pos[i] = 0.;
|
||
scene_ubs.wiper_timer_out[i] = -1000.;
|
||
scene_ubs.wiper_timer_return[i] = -1000.;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
scene_ubs.wiper_pos = glm::vec4{0.};
|
||
scene_ubs.wiper_timer_out = glm::vec4{-1000.};
|
||
scene_ubs.wiper_timer_return = glm::vec4{-1000.};
|
||
}
|
||
}
|
||
scene_ubs.projection = OpenGLMatrices.data(GL_PROJECTION);
|
||
scene_ubs.inv_view = glm::inverse( glm::mat4{ glm::mat3{ m_colorpass.pass_camera.modelview() } } );
|
||
scene_ubo->update(scene_ubs);
|
||
scene_ubo->bind_uniform();
|
||
|
||
if (m_widelines_supported)
|
||
glLineWidth(1.0f);
|
||
|
||
if (!Global.gfx_usegles)
|
||
{
|
||
if (Global.bWireFrame)
|
||
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
|
||
else
|
||
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
||
}
|
||
|
||
setup_shadow_unbind_map();
|
||
setup_env_map(nullptr);
|
||
|
||
if (Global.gfx_shadowmap_enabled && vp.main)
|
||
{
|
||
glDebug("render shadowmap start");
|
||
Timer::subsystem.gfx_shadows.start();
|
||
|
||
m_renderpass.draw_stats = {};
|
||
Render_pass(vp, rendermode::shadows);
|
||
m_renderpass = m_colorpass; // restore draw mode. TBD, TODO: render mode stack
|
||
|
||
Timer::subsystem.gfx_shadows.stop();
|
||
glDebug("render shadowmap end");
|
||
}
|
||
|
||
if (Global.gfx_envmap_enabled && vp.main)
|
||
{
|
||
// potentially update environmental cube map
|
||
m_renderpass.draw_stats = {};
|
||
if (Render_reflections(vp))
|
||
m_renderpass = m_colorpass; // restore color pass settings
|
||
setup_env_map(m_env_tex.get());
|
||
}
|
||
|
||
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
||
|
||
setup_drawing(false);
|
||
|
||
glm::ivec2 target_size(vp.width, vp.height);
|
||
if (vp.main && !vp.custom_backbuffer) // TODO: update window sizes also for extra viewports
|
||
target_size = Global.fb_size;
|
||
|
||
if (!Global.gfx_skippipeline)
|
||
{
|
||
vp.msaa_fb->bind();
|
||
|
||
if (Global.gfx_postfx_motionblur_enabled)
|
||
vp.msaa_fb->setup_drawing(2);
|
||
else
|
||
vp.msaa_fb->setup_drawing(1);
|
||
|
||
glViewport(0, 0, vp.width, vp.height);
|
||
|
||
vp.msaa_fb->clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
}
|
||
else
|
||
{
|
||
if (!Global.gfx_usegles && !Global.gfx_shadergamma)
|
||
glEnable(GL_FRAMEBUFFER_SRGB);
|
||
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
||
glViewport(0, 0, target_size.x, target_size.y);
|
||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
}
|
||
|
||
glEnable(GL_DEPTH_TEST);
|
||
|
||
Timer::subsystem.gfx_color.start();
|
||
|
||
if (vr && (vp.proj_type == viewport_config::vr_left || vp.proj_type == viewport_config::vr_right)) {
|
||
glDebug("vr hiddenarea");
|
||
TModel3d *mask = vr->get_hiddenarea_mesh((vp.proj_type == viewport_config::vr_left) ? vr_interface::eye_left : vr_interface::eye_right);
|
||
|
||
if (mask) {
|
||
glDisable(GL_CULL_FACE);
|
||
glDisable(GL_BLEND);
|
||
glDepthMask(GL_TRUE);
|
||
|
||
m_hiddenarea_shader->bind();
|
||
draw(mask->Root->m_geometry.handle);
|
||
|
||
glEnable(GL_CULL_FACE);
|
||
}
|
||
}
|
||
|
||
setup_matrices();
|
||
setup_drawing(true);
|
||
m_renderpass.draw_stats = {};
|
||
|
||
model_ubs.future = glm::mat4();
|
||
glm::mat4 future;
|
||
if (Global.pCamera.m_owner != nullptr)
|
||
{
|
||
auto const *vehicle = Global.pCamera.m_owner;
|
||
glm::mat4 mv = OpenGLMatrices.data(GL_MODELVIEW);
|
||
future = glm::translate(mv, -glm::vec3(vehicle->get_future_movement())) * glm::inverse(mv);
|
||
}
|
||
|
||
Update_Lights( simulation::Lights );
|
||
|
||
glDebug("render environment");
|
||
|
||
scene_ubs.projection = OpenGLMatrices.data(GL_PROJECTION);
|
||
scene_ubo->update(scene_ubs);
|
||
Render(&simulation::Environment);
|
||
|
||
if( Global.gfx_shadowmap_enabled )
|
||
setup_shadow_bind_map();
|
||
|
||
// opaque parts...
|
||
setup_drawing(false);
|
||
|
||
// without rain/snow we can render the cab early to limit the overdraw
|
||
// precipitation happens when overcast is in 1-2 range
|
||
if (!FreeFlyModeFlag && Global.Overcast <= 1.0f && Global.render_cab)
|
||
{
|
||
glDebug("render opaque cab");
|
||
model_ubs.future = glm::mat4();
|
||
auto const *vehicle{ simulation::Train->Dynamic() };
|
||
if( vehicle->InteriorLightLevel > 0.f ) {
|
||
setup_shadow_color( glm::min( colors::white, m_shadowcolor + glm::vec4( vehicle->InteriorLight * vehicle->InteriorLightLevel, 1.f ) ) );
|
||
}
|
||
Render_cab( vehicle, vehicle->InteriorLightLevel, false );
|
||
}
|
||
|
||
setup_shadow_color( m_shadowcolor );
|
||
|
||
glDebug("render opaque region");
|
||
|
||
model_ubs.future = future;
|
||
|
||
Render(simulation::Region);
|
||
|
||
Render_vr_models();
|
||
|
||
// ...translucent parts
|
||
glDebug("render translucent region");
|
||
setup_drawing(true);
|
||
Render_Alpha(simulation::Region);
|
||
|
||
// particles
|
||
Render_particles();
|
||
|
||
// precipitation; done at end, only before cab render
|
||
Render_precipitation();
|
||
|
||
// cab render
|
||
if (false == FreeFlyModeFlag && Global.render_cab)
|
||
{
|
||
model_ubs.future = glm::mat4();
|
||
auto *vehicle { simulation::Train->Dynamic() };
|
||
if( vehicle->InteriorLightLevel > 0.f ) {
|
||
setup_shadow_color( glm::min( colors::white, m_shadowcolor + glm::vec4( vehicle->InteriorLight * vehicle->InteriorLightLevel, 1.f ) ) );
|
||
}
|
||
if (Global.Overcast > 1.0f)
|
||
{
|
||
// with active precipitation draw the opaque cab parts here to mask rain/snow placed 'inside' the cab
|
||
glDebug( "render opaque cab" );
|
||
setup_drawing(false);
|
||
Render_cab(vehicle, vehicle->InteriorLightLevel, false);
|
||
Render_interior(false);
|
||
setup_drawing(true);
|
||
Render_interior(true);
|
||
}
|
||
glDebug( "render translucent cab" );
|
||
Render_cab(vehicle, vehicle->InteriorLightLevel, true);
|
||
|
||
setup_shadow_color( m_shadowcolor );
|
||
|
||
if( Global.Overcast > 1.0f ) {
|
||
// with the cab in place we can (finally) safely draw translucent part of the occupied vehicle
|
||
Render_Alpha( vehicle );
|
||
}
|
||
}
|
||
|
||
Timer::subsystem.gfx_color.stop();
|
||
|
||
// store draw stats
|
||
m_colorpass.draw_stats = m_renderpass.draw_stats;
|
||
|
||
setup_shadow_unbind_map();
|
||
setup_env_map(nullptr);
|
||
|
||
if (!Global.gfx_usegles)
|
||
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
||
|
||
if (!Global.gfx_skippipeline)
|
||
{
|
||
if (Global.gfx_postfx_motionblur_enabled)
|
||
{
|
||
vp.main_fb->clear(GL_COLOR_BUFFER_BIT);
|
||
vp.main_fb->setup_drawing(2);
|
||
vp.msaa_fb->blit_to(vp.main_fb.get(), vp.width, vp.height, GL_COLOR_BUFFER_BIT, GL_COLOR_ATTACHMENT0);
|
||
vp.msaa_fb->blit_to(vp.main_fb.get(), vp.width, vp.height, GL_COLOR_BUFFER_BIT, GL_COLOR_ATTACHMENT1);
|
||
vp.msaa_fb->blit_to(vp.main_fb.get(), vp.width, vp.height, GL_DEPTH_BUFFER_BIT, GL_DEPTH_ATTACHMENT);
|
||
|
||
model_ubs.param[0].x = m_framerate / (1.0 / Global.gfx_postfx_motionblur_shutter);
|
||
model_ubo->update(model_ubs);
|
||
m_pfx_motionblur->apply({vp.main_tex.get(), vp.main_texv.get(), vp.main_texd.get()}, vp.main2_fb.get());
|
||
}
|
||
else if (Global.gfx_postfx_ssao_enabled)
|
||
{
|
||
// resolve color+depth so SSAO can sample the depth texture
|
||
vp.main_fb->clear(GL_COLOR_BUFFER_BIT);
|
||
vp.main_fb->setup_drawing(1);
|
||
vp.msaa_fb->blit_to(vp.main_fb.get(), vp.width, vp.height, GL_COLOR_BUFFER_BIT, GL_COLOR_ATTACHMENT0);
|
||
vp.msaa_fb->blit_to(vp.main_fb.get(), vp.width, vp.height, GL_DEPTH_BUFFER_BIT, GL_DEPTH_ATTACHMENT);
|
||
}
|
||
else
|
||
{
|
||
vp.main2_fb->clear(GL_COLOR_BUFFER_BIT);
|
||
vp.msaa_fb->blit_to(vp.main2_fb.get(), vp.width, vp.height, GL_COLOR_BUFFER_BIT, GL_COLOR_ATTACHMENT0);
|
||
}
|
||
|
||
// SSAO: depth -> occlusion -> blur -> modulate color into main2_fb
|
||
if (Global.gfx_postfx_ssao_enabled && !Global.gfx_postfx_motionblur_enabled)
|
||
{
|
||
int ssao_w = std::max(1, vp.width / 2);
|
||
int ssao_h = std::max(1, vp.height / 2);
|
||
|
||
// (kernel is generated procedurally in the shader; no UBO upload needed)
|
||
glViewport(0, 0, ssao_w, ssao_h);
|
||
m_pfx_ssao ->apply({ vp.main_texd.get(), m_ssao_noise_tex.get() }, vp.ssao_fb.get());
|
||
m_pfx_ssao_blur->apply({ vp.ssao_tex.get() }, vp.ssao_blur_fb.get());
|
||
|
||
glViewport(0, 0, vp.width, vp.height);
|
||
vp.main2_fb->clear(GL_COLOR_BUFFER_BIT);
|
||
m_pfx_ssao_apply->apply({ vp.main_tex.get(), vp.ssao_blur_tex.get() }, vp.main2_fb.get());
|
||
}
|
||
|
||
if (!Global.gfx_usegles && !Global.gfx_shadergamma)
|
||
glEnable(GL_FRAMEBUFFER_SRGB);
|
||
|
||
gl::framebuffer *target = nullptr;
|
||
if (vp.custom_backbuffer)
|
||
target = vp.backbuffer_fb.get();
|
||
|
||
if( Global.gfx_postfx_chromaticaberration_enabled ) {
|
||
glViewport(0, 0, vp.width, vp.height);
|
||
vp.main_fb->setup_drawing(1);
|
||
m_pfx_tonemapping->apply( *vp.main2_tex, vp.main_fb.get() );
|
||
|
||
glViewport(0, 0, target_size.x, target_size.y);
|
||
m_pfx_chromaticaberration->apply( *vp.main_tex, target );
|
||
}
|
||
else {
|
||
glViewport(0, 0, target_size.x, target_size.y);
|
||
m_pfx_tonemapping->apply( *vp.main2_tex, target );
|
||
}
|
||
|
||
if (vr) {
|
||
if (vp.proj_type == viewport_config::vr_left)
|
||
vr->submit(vr_interface::eye_left, vp.backbuffer_tex.get());
|
||
if (vp.proj_type == viewport_config::vr_right)
|
||
vr->submit(vr_interface::eye_right, vp.backbuffer_tex.get());
|
||
}
|
||
|
||
if (vp.custom_backbuffer && vp.real_window) {
|
||
if (vp.main)
|
||
target_size = Global.fb_size;
|
||
glViewport(0, 0, target_size.x, target_size.y);
|
||
|
||
vp.backbuffer_tex->bind(0);
|
||
m_copy_shader->bind();
|
||
m_empty_vao->bind();
|
||
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
||
|
||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||
|
||
vp.backbuffer_tex->unbind(0);
|
||
}
|
||
|
||
opengl_texture::reset_unit_cache();
|
||
}
|
||
|
||
if (!Global.gfx_usegles && !Global.gfx_shadergamma)
|
||
glDisable(GL_FRAMEBUFFER_SRGB);
|
||
|
||
glDebug("uilayer render");
|
||
Timer::subsystem.gfx_gui.start();
|
||
|
||
if (vp.main) {
|
||
// clear state for ui
|
||
gl::program::unbind();
|
||
draw_debug_ui();
|
||
Application.render_ui();
|
||
}
|
||
|
||
Timer::subsystem.gfx_gui.stop();
|
||
|
||
// restore binding
|
||
scene_ubo->bind_uniform();
|
||
|
||
glDebug("rendermode::color end");
|
||
break;
|
||
}
|
||
|
||
case rendermode::shadows:
|
||
{
|
||
if (!simulation::is_ready)
|
||
break;
|
||
|
||
glDebug("rendermode::shadows");
|
||
|
||
glEnable(GL_DEPTH_TEST);
|
||
setup_drawing( false );
|
||
|
||
glViewport(0, 0, m_shadowbuffersize, m_shadowbuffersize);
|
||
float csmstageboundaries[] = {0.0f,
|
||
Global.shadowtune.range / 32,
|
||
Global.shadowtune.range / 8,
|
||
Global.shadowtune.range};
|
||
if( Global.shadowtune.map_size > 2048 ) {
|
||
// increase coverage if our shadow map is large enough to produce decent results
|
||
csmstageboundaries[1] *= Global.shadowtune.map_size / 2048;
|
||
csmstageboundaries[2] *= Global.shadowtune.map_size / 2048;
|
||
csmstageboundaries[3] *= Global.shadowtune.map_size / 2048;
|
||
}
|
||
|
||
|
||
for( auto idx = 0; idx < m_shadowpass.size(); ++idx ) {
|
||
|
||
m_shadow_fb->attach( *m_shadow_tex, GL_DEPTH_ATTACHMENT, idx );
|
||
m_shadow_fb->clear( GL_DEPTH_BUFFER_BIT );
|
||
|
||
setup_pass( vp, m_renderpass, rendermode::shadows, csmstageboundaries[ idx ], csmstageboundaries[ idx + 1 ] );
|
||
m_shadowpass[ idx ] = m_renderpass; // store pass config for reference in other stages
|
||
|
||
setup_matrices();
|
||
scene_ubs.projection = OpenGLMatrices.data( GL_PROJECTION );
|
||
auto const csmstagezfar {
|
||
(csmstageboundaries[ idx + 1 ])
|
||
+ ( m_shadowpass.size() - idx ) }; // we can fairly safely add some extra padding in the early stages
|
||
scene_ubs.cascade_end[ idx ] = csmstagezfar * csmstagezfar; // store squared to allow semi-optimized length2 comparisons in the shader
|
||
scene_ubo->update( scene_ubs );
|
||
|
||
if( m_shadowcolor != colors::white ) {
|
||
Render( simulation::Region );
|
||
if( idx > 0 ) { continue; } // render cab only in the closest csm stage
|
||
if( !FreeFlyModeFlag && Global.render_cab ) {
|
||
Render_cab( simulation::Train->Dynamic(), 0.0f, false );
|
||
Render_cab( simulation::Train->Dynamic(), 0.0f, true );
|
||
}
|
||
}
|
||
}
|
||
m_shadow_fb->unbind();
|
||
|
||
glDebug("rendermode::shadows end");
|
||
|
||
break;
|
||
}
|
||
|
||
case rendermode::reflections:
|
||
{
|
||
if (!simulation::is_ready)
|
||
break;
|
||
|
||
glDebug("rendermode::reflections");
|
||
|
||
// NOTE: buffer attachment and viewport setup in this mode is handled by the wrapper method
|
||
glEnable(GL_DEPTH_TEST);
|
||
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
||
m_env_fb->clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
m_env_fb->bind();
|
||
|
||
setup_env_map(m_empty_cubemap.get());
|
||
|
||
setup_matrices();
|
||
|
||
// render
|
||
// environment...
|
||
setup_drawing(true);
|
||
|
||
setup_shadow_unbind_map();
|
||
scene_ubs.projection = OpenGLMatrices.data(GL_PROJECTION);
|
||
scene_ubo->update(scene_ubs);
|
||
Render(&simulation::Environment);
|
||
// opaque parts...
|
||
setup_drawing(false);
|
||
setup_shadow_bind_map();
|
||
scene_ubs.projection = OpenGLMatrices.data(GL_PROJECTION);
|
||
scene_ubo->update(scene_ubs);
|
||
Render(simulation::Region);
|
||
|
||
m_env_fb->unbind();
|
||
|
||
glDebug("rendermode::reflections end");
|
||
|
||
break;
|
||
}
|
||
|
||
case rendermode::pickcontrols:
|
||
{
|
||
if (!simulation::is_ready || !simulation::Train)
|
||
break;
|
||
|
||
glDebug("rendermode::pickcontrols");
|
||
|
||
glEnable(GL_DEPTH_TEST);
|
||
glViewport(0, 0, EU07_PICKBUFFERSIZE, EU07_PICKBUFFERSIZE);
|
||
m_pick_fb->bind();
|
||
m_pick_fb->clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
|
||
m_picksurfaceitems.clear();
|
||
m_pickcontrolsitems.clear();
|
||
setup_matrices();
|
||
setup_drawing(false);
|
||
|
||
scene_ubs.projection = OpenGLMatrices.data(GL_PROJECTION);
|
||
scene_ubo->update(scene_ubs);
|
||
if (simulation::Train != nullptr) {
|
||
Render_cab(simulation::Train->Dynamic(), 0.0f);
|
||
Render(simulation::Train->Dynamic());
|
||
}
|
||
|
||
m_pick_fb->unbind();
|
||
|
||
glDebug("rendermode::pickcontrols end");
|
||
break;
|
||
}
|
||
|
||
case rendermode::pickscenery:
|
||
{
|
||
if (!simulation::is_ready)
|
||
break;
|
||
|
||
glEnable(GL_DEPTH_TEST);
|
||
glViewport(0, 0, EU07_PICKBUFFERSIZE, EU07_PICKBUFFERSIZE);
|
||
m_pick_fb->bind();
|
||
m_pick_fb->clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
|
||
m_picksceneryitems.clear();
|
||
setup_matrices();
|
||
setup_drawing(false);
|
||
|
||
scene_ubs.projection = OpenGLMatrices.data(GL_PROJECTION);
|
||
scene_ubo->update(scene_ubs);
|
||
Render(simulation::Region);
|
||
|
||
break;
|
||
}
|
||
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
bool opengl33_renderer::Render_interior( bool const Alpha ) {
|
||
// TODO: early frustum based cull, camera might be pointing elsewhere
|
||
std::vector< std::pair<float, TDynamicObject *> > dynamics;
|
||
auto *dynamic { simulation::Train->Dynamic() };
|
||
// draw interiors of the occupied vehicle, and all vehicles behind it with permanent coupling, in case they're open-ended
|
||
while( dynamic != nullptr ) {
|
||
|
||
glm::dvec3 const originoffset { dynamic->vPosition - m_renderpass.pass_camera.position() };
|
||
float const squaredistance{ glm::length2( glm::vec3{ originoffset } / Global.ZoomFactor ) };
|
||
dynamics.emplace_back( squaredistance, dynamic );
|
||
dynamic = dynamic->Next( coupling::permanent );
|
||
}
|
||
// draw also interiors of permanently coupled vehicles in front, if there's any
|
||
dynamic = simulation::Train->Dynamic()->Prev( coupling::permanent );
|
||
while( dynamic != nullptr ) {
|
||
|
||
glm::dvec3 const originoffset { dynamic->vPosition - m_renderpass.pass_camera.position() };
|
||
float const squaredistance{ glm::length2( glm::vec3{ originoffset } / Global.ZoomFactor ) };
|
||
dynamics.emplace_back( squaredistance, dynamic );
|
||
dynamic = dynamic->Prev( coupling::permanent );
|
||
}
|
||
if( Alpha ) {
|
||
std::sort(
|
||
std::begin( dynamics ), std::end( dynamics ),
|
||
[]( std::pair<float, TDynamicObject *> const &Left, std::pair<float, TDynamicObject *> const &Right ) {
|
||
return ( Left.first ) > ( Right.first ); } );
|
||
}
|
||
for( auto &dynamic : dynamics ) {
|
||
Render_lowpoly( dynamic.second, dynamic.first, true, Alpha );
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
bool opengl33_renderer::Render_lowpoly( TDynamicObject *Dynamic, float const Squaredistance, bool const Setup, bool const Alpha ) {
|
||
|
||
if( Dynamic->mdLowPolyInt == nullptr ) { return false; }
|
||
|
||
// low poly interior
|
||
if( Setup ) {
|
||
|
||
TSubModel::iInstance = reinterpret_cast<std::uintptr_t>( Dynamic ); //żeby nie robić cudzych animacji
|
||
glm::dvec3 const originoffset{ Dynamic->vPosition - m_renderpass.pass_camera.position() };
|
||
|
||
Dynamic->ABuLittleUpdate( Squaredistance ); // ustawianie zmiennych submodeli dla wspólnego modelu
|
||
|
||
glm::mat4 mv = OpenGLMatrices.data( GL_MODELVIEW );
|
||
|
||
::glPushMatrix();
|
||
::glTranslated( originoffset.x, originoffset.y, originoffset.z );
|
||
::glMultMatrixd( glm::value_ptr(Dynamic->mMatrix) );
|
||
}
|
||
// HACK: reduce light level for vehicle interior if there's strong global lighting source
|
||
if( false == Alpha ) {
|
||
/*
|
||
auto const luminance { static_cast<float>( std::min(
|
||
( Dynamic->fShade > 0.0 ? Dynamic->fShade * Global.fLuminance : Global.fLuminance ),
|
||
Global.fLuminance - 0.5 * ( std::max( 0.3, Global.fLuminance - Global.Overcast ) ) ) ) };
|
||
*/
|
||
auto const luminance{ static_cast<float>(
|
||
0.5
|
||
* ( std::max(
|
||
0.3,
|
||
( Global.fLuminance - Global.Overcast )
|
||
* ( Dynamic->fShade > 0.0 ?
|
||
Dynamic->fShade :
|
||
1.0 ) ) ) ) };
|
||
setup_sunlight_intensity(
|
||
std::clamp( (
|
||
Dynamic->fShade > 0.f ?
|
||
Dynamic->fShade :
|
||
1.f )
|
||
- luminance,
|
||
0.f, 1.f ) );
|
||
Render( Dynamic->mdLowPolyInt, Dynamic->Material(), Squaredistance );
|
||
// HACK: if the model has low poly interior, we presume the load is placed inside and also affected by reduced light level
|
||
if( Dynamic->mdLoad ) {
|
||
// renderowanie nieprzezroczystego ładunku
|
||
Render( Dynamic->mdLoad, Dynamic->Material(), Squaredistance, { 0.f, Dynamic->LoadOffset, 0.f }, {} );
|
||
}
|
||
setup_sunlight_intensity( Dynamic->fShade > 0.f ? Dynamic->fShade : 1.f );
|
||
}
|
||
else {
|
||
// Render_Alpha( Dynamic->mdLowPolyInt, Dynamic->Material(), Squaredistance );
|
||
// HACK: some models have windows included as part of the main model instead of lowpoly
|
||
if( Dynamic->mdModel ) {
|
||
// main model
|
||
Render_Alpha( Dynamic->mdModel, Dynamic->Material(), Squaredistance );
|
||
}
|
||
}
|
||
|
||
if( Setup ) {
|
||
|
||
if( Dynamic->fShade > 0.0f ) {
|
||
// restore regular light level
|
||
setup_sunlight_intensity();
|
||
}
|
||
|
||
::glPopMatrix();
|
||
|
||
// TODO: check if this reset is needed. In theory each object should render all parts based on its own instance data anyway?
|
||
if( Dynamic->btnOn ) {
|
||
Dynamic->TurnOff(); // przywrócenie domyślnych pozycji submodeli
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
bool opengl33_renderer::Render_coupler_adapter( TDynamicObject *Dynamic, float const Squaredistance, int const End, bool const Alpha ) {
|
||
|
||
if( Dynamic->m_coupleradapters[ End ] == nullptr ) { return false; }
|
||
|
||
auto const position { glm::dvec3 {
|
||
0.f,
|
||
Dynamic->MoverParameters->Couplers[ End ].adapter_height,
|
||
( Dynamic->MoverParameters->Couplers[ End ].adapter_length + Dynamic->MoverParameters->Dim.L * 0.5 ) * ( End == end::front ? 1 : -1 ) } };
|
||
|
||
auto const angle { glm::vec3{
|
||
0,
|
||
( End == end::front ? 0 : 180 ),
|
||
0 } };
|
||
|
||
if( Alpha ) {
|
||
Render_Alpha( Dynamic->m_coupleradapters[ End ], Dynamic->Material(), Squaredistance, position, angle );
|
||
}
|
||
else {
|
||
Render( Dynamic->m_coupleradapters[ End ], Dynamic->Material(), Squaredistance, position, angle );
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
// creates dynamic environment cubemap
|
||
bool opengl33_renderer::Render_reflections(viewport_config &vp)
|
||
{
|
||
if( Global.reflectiontune.update_interval == 0 ) { return false; }
|
||
|
||
auto const timestamp{ Timer::GetRenderTime() };
|
||
if( ( timestamp - m_environmentupdatetime < Global.reflectiontune.update_interval )
|
||
&& ( glm::length2( m_renderpass.pass_camera.position() - m_environmentupdatelocation ) < sq(1000.0)) ) // length2 is better than length for comparing because it does not require sqrt function
|
||
{
|
||
// run update every 5+ mins of simulation time, or at least 1km from the last location
|
||
return false;
|
||
}
|
||
m_environmentupdatetime = timestamp;
|
||
m_environmentupdatelocation = m_renderpass.pass_camera.position();
|
||
glViewport(0, 0, gl::ENVMAP_SIZE, gl::ENVMAP_SIZE);
|
||
for (m_environmentcubetextureface = 0; m_environmentcubetextureface < 6; ++m_environmentcubetextureface)
|
||
{
|
||
m_env_fb->attach(*m_env_tex, m_environmentcubetextureface, GL_COLOR_ATTACHMENT0);
|
||
if (m_env_fb->is_complete())
|
||
Render_pass(vp, rendermode::reflections);
|
||
}
|
||
m_env_tex->generate_mipmaps();
|
||
m_env_fb->detach(GL_COLOR_ATTACHMENT0);
|
||
|
||
return true;
|
||
}
|
||
|
||
// based on
|
||
// https://csc.lsu.edu/~kooima/articles/genperspective/index.html
|
||
glm::mat4 opengl33_renderer::perspective_projection(const viewport_proj_config &c,
|
||
float n, float f, glm::mat4 &frustum)
|
||
{
|
||
glm::vec3 vr, vu, vn;
|
||
vr = glm::normalize(c.pb - c.pa);
|
||
vu = glm::normalize(c.pc - c.pa);
|
||
vn = glm::normalize(glm::cross(vr, vu));
|
||
|
||
glm::mat4 M;
|
||
M[0] = glm::vec4(vr, 0.0f);
|
||
M[1] = glm::vec4(vu, 0.0f);
|
||
M[2] = glm::vec4(vn, 0.0f);
|
||
M = glm::transpose(M);
|
||
|
||
glm::vec3 va, vb, vc;
|
||
va = c.pa - c.pe;
|
||
vb = c.pb - c.pe;
|
||
vc = c.pc - c.pe;
|
||
|
||
float l, r, b, t, d;
|
||
d = -glm::dot(va, vn);
|
||
|
||
l = glm::dot(vr, va) * n / d;
|
||
r = glm::dot(vr, vb) * n / d;
|
||
b = glm::dot(vu, va) * n / d;
|
||
t = glm::dot(vu, vc) * n / d;
|
||
|
||
frustum = glm::frustum(l, r, b, t, n, f);
|
||
glm::mat4 R = frustum;
|
||
frustum = glm::translate(frustum * M, -c.pe);
|
||
|
||
if (GLAD_GL_ARB_clip_control || GLAD_GL_EXT_clip_control) {
|
||
// when clip_control available, use projection matrix with 1..0 Z range and infinite zfar
|
||
R[2][2] = -1.0f;
|
||
R[3][2] = -2.0f * n;
|
||
R = glm::mat4( //
|
||
1.0f, 0.0f, 0.0f, 0.0f, //
|
||
0.0f, 1.0f, 0.0f, 0.0f, //
|
||
0.0f, 0.0f, -0.5f, 0.0f, //
|
||
0.0f, 0.0f, 0.5f, 1.0f //
|
||
) * R;
|
||
} else {
|
||
// or use standard matrix but with 1..-1 Z range
|
||
// (reverse Z don't give any extra precision without clip_control, but it is used anyway for consistency)
|
||
R = glm::mat4(
|
||
1.0f, 0.0f, 0.0f, 0.0f, //
|
||
0.0f, 1.0f, 0.0f, 0.0f, //
|
||
0.0f, 0.0f, -1.0f, 0.0f, //
|
||
0.0f, 0.0f, 0.0f, 1.0f //
|
||
) * R;
|
||
}
|
||
|
||
return glm::translate(R * M, -c.pe);
|
||
}
|
||
|
||
glm::mat4 opengl33_renderer::perspective_projection_raw(float fovy, float aspect, float znear, float zfar)
|
||
{
|
||
if (GLAD_GL_ARB_clip_control || GLAD_GL_EXT_clip_control)
|
||
{
|
||
const float f = 1.0f / tan(fovy / 2.0f);
|
||
|
||
// when clip_control available, use projection matrix with 1..0 Z range and infinite zfar
|
||
return glm::mat4( //
|
||
f / aspect, 0.0f, 0.0f, 0.0f, //
|
||
0.0f, f, 0.0f, 0.0f, //
|
||
0.0f, 0.0f, 0.0f, -1.0f, //
|
||
0.0f, 0.0f, znear, 0.0f //
|
||
);
|
||
}
|
||
else
|
||
// or use standard matrix but with 1..-1 Z range
|
||
// (reverse Z don't give any extra precision without clip_control, but it is used anyway for consistency)
|
||
return glm::mat4( //
|
||
1.0f, 0.0f, 0.0f, 0.0f, //
|
||
0.0f, 1.0f, 0.0f, 0.0f, //
|
||
0.0f, 0.0f, -1.0f, 0.0f, //
|
||
0.0f, 0.0f, 0.0f, 1.0f //
|
||
) *
|
||
glm::perspective(fovy, aspect, znear, zfar);
|
||
}
|
||
|
||
glm::mat4 opengl33_renderer::ortho_projection(float l, float r, float b, float t, float znear, float zfar)
|
||
{
|
||
glm::mat4 proj = glm::ortho(l, r, b, t, znear, zfar);
|
||
if (GLAD_GL_ARB_clip_control || GLAD_GL_EXT_clip_control)
|
||
// when clip_control available, use projection matrix with 1..0 Z range
|
||
return glm::mat4( //
|
||
1.0f, 0.0f, 0.0f, 0.0f, //
|
||
0.0f, 1.0f, 0.0f, 0.0f, //
|
||
0.0f, 0.0f, -0.5f, 0.0f, //
|
||
0.0f, 0.0f, 0.5f, 1.0f //
|
||
) *
|
||
proj;
|
||
else
|
||
// or use standard matrix but with 1..-1 Z range
|
||
// (reverse Z don't give any extra precision without clip_control, but it is used anyway for consistency)
|
||
return glm::mat4( //
|
||
1.0f, 0.0f, 0.0f, 0.0f, //
|
||
0.0f, 1.0f, 0.0f, 0.0f, //
|
||
0.0f, 0.0f, -1.0f, 0.0f, //
|
||
0.0f, 0.0f, 0.0f, 1.0f //
|
||
) *
|
||
proj;
|
||
}
|
||
|
||
glm::mat4 opengl33_renderer::ortho_frustumtest_projection(float l, float r, float b, float t, float znear, float zfar)
|
||
{
|
||
// for frustum calculation, use standard opengl matrix
|
||
return glm::ortho(l, r, b, t, znear, zfar);
|
||
}
|
||
|
||
void opengl33_renderer::setup_pass(viewport_config &Viewport, renderpass_config &Config, rendermode const Mode,
|
||
float const Znear, float const Zfar, bool const Ignoredebug)
|
||
{
|
||
Config.draw_mode = Mode;
|
||
|
||
if( false == simulation::is_ready ) { return; }
|
||
// setup draw range
|
||
switch( Mode ) {
|
||
case rendermode::color: { Config.draw_range = Global.BaseDrawRange * Global.fDistanceFactor * Viewport.draw_range; break; }
|
||
case rendermode::shadows: { Config.draw_range = Global.shadowtune.range; break; }
|
||
case rendermode::reflections: { Config.draw_range = Global.BaseDrawRange * Viewport.draw_range; break; }
|
||
case rendermode::pickcontrols: { Config.draw_range = 50.f; break; }
|
||
case rendermode::pickscenery: { Config.draw_range = Global.BaseDrawRange * Viewport.draw_range * 0.5f; break; }
|
||
default: { Config.draw_range = 0.f; break; }
|
||
}
|
||
|
||
// setup camera
|
||
auto &camera = Config.pass_camera;
|
||
|
||
glm::dmat4 viewmatrix(1.0);
|
||
|
||
glm::mat4 frustumtest_proj;
|
||
|
||
glm::ivec2 target_size(Viewport.width, Viewport.height);
|
||
if (Viewport.main) // TODO: update window sizes also for extra viewports
|
||
target_size = Global.fb_size;
|
||
|
||
Config.viewport_camera.position() = Global.pCamera.Pos;
|
||
|
||
switch (Mode)
|
||
{
|
||
case rendermode::color:
|
||
{
|
||
if (Viewport.proj_type == viewport_config::normal && Viewport.main) {
|
||
// TODO: update window sizes also for extra viewports
|
||
float const fovy = glm::radians(Global.FieldOfView / Global.ZoomFactor);
|
||
|
||
// setup virtual screen
|
||
glm::vec2 screen_h = glm::vec2(Global.window_size) / 2.0f;
|
||
float const dist = screen_h.y / glm::tan(fovy / 2.0f);
|
||
|
||
Viewport.projection.pa = glm::vec3(-screen_h.x, -screen_h.y, -dist);
|
||
Viewport.projection.pb = glm::vec3( screen_h.x, -screen_h.y, -dist);
|
||
Viewport.projection.pc = glm::vec3(-screen_h.x, screen_h.y, -dist);
|
||
Viewport.projection.pe = glm::vec3(0.0f, 0.0f, 0.0f);
|
||
}
|
||
|
||
if (vr && (Viewport.proj_type == viewport_config::vr_left || Viewport.proj_type == viewport_config::vr_right)) {
|
||
Viewport.projection = vr->get_proj_config(Viewport.proj_type == viewport_config::vr_left ? vr_interface::eye_left : vr_interface::eye_right);
|
||
Global.pCamera.Angle.x = 0.0;
|
||
Global.pCamera.Angle.z = 0.0;
|
||
}
|
||
|
||
if (Global.headtrack_conf.magic_window)
|
||
Viewport.projection.pe = Global.viewport_move;
|
||
|
||
TCamera *cam = ((false == DebugCameraFlag) || (true == Ignoredebug)) ? &Global.pCamera : &Global.pDebugCamera;
|
||
camera.position() = cam->Pos;
|
||
cam->SetMatrix(viewmatrix);
|
||
|
||
if (!Global.headtrack_conf.magic_window || vr) {
|
||
camera.position() += Global.viewport_move * glm::mat3(viewmatrix);
|
||
viewmatrix = glm::dmat4(glm::inverse(Global.viewport_rotate)) * viewmatrix;
|
||
}
|
||
|
||
// optimization: don't bother drawing things completely blended with the background
|
||
// but ensure at least 2 km range to account for signals and lights
|
||
Config.draw_range = std::min( Config.draw_range, m_fogrange * 2 );
|
||
Config.draw_range = std::max( 2000.f, Config.draw_range );
|
||
|
||
// projection
|
||
auto const zfar = ( Zfar > 1.f ? Zfar : Config.draw_range * Zfar );
|
||
auto const znear = ( Znear > 1.f ? Znear : Znear > 0.f ? Znear * zfar : 0.1f * Global.ZoomFactor);
|
||
|
||
camera.projection() = perspective_projection(Viewport.projection, znear, zfar, frustumtest_proj);
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
// calculate lightview boundaries based on relevant area of the world camera frustum:
|
||
// ...setup chunk of frustum we're interested in...
|
||
// auto const zfar = std::min(1.f, Global.shadowtune.range / (Global.BaseDrawRange * Global.fDistanceFactor) * std::max(1.f, Global.ZoomFactor * 0.5f));
|
||
// auto const zfar = ( Zfar > 1.f ? Zfar * std::max( 1.f, Global.ZoomFactor * 0.5f ) : Zfar );
|
||
auto const zfar = ( Zfar > 1.f ? Zfar : Zfar * Global.shadowtune.range * std::max( Zfar, Global.ZoomFactor * 0.5f ) );
|
||
|
||
size_t bounding_viewports_count = 0;
|
||
std::vector<glm::vec4> frustumchunkshapepoints;
|
||
glm::dvec3 pass_camera;
|
||
|
||
for (std::unique_ptr<viewport_config> &conf : m_viewports) {
|
||
if (!conf->shadow)
|
||
continue;
|
||
|
||
renderpass_config worldview;
|
||
setup_pass(*conf, worldview, rendermode::color, Znear, zfar, true);
|
||
|
||
auto &points = worldview.pass_camera.frustum_points();
|
||
frustumchunkshapepoints.insert(frustumchunkshapepoints.end(), points.begin(), points.end());
|
||
|
||
pass_camera += worldview.pass_camera.position();
|
||
bounding_viewports_count++;
|
||
}
|
||
pass_camera /= bounding_viewports_count;
|
||
|
||
// ...modelview matrix: determine the centre of frustum chunk in world space...
|
||
glm::vec3 frustumchunkmin, frustumchunkmax;
|
||
bounding_box(frustumchunkmin, frustumchunkmax, std::begin(frustumchunkshapepoints), std::end(frustumchunkshapepoints));
|
||
auto const frustumchunkcentre = (frustumchunkmin + frustumchunkmax) * 0.5f;
|
||
// ...cap the vertical angle to keep shadows from getting too long...
|
||
auto const lightvector = glm::normalize(glm::vec3{m_sunlight.direction.x, std::min(m_sunlight.direction.y, Global.gfx_shadow_angle_min), m_sunlight.direction.z});
|
||
// ...place the light source at the calculated centre and setup world space light view matrix...
|
||
camera.position() = pass_camera + glm::dvec3{frustumchunkcentre};
|
||
viewmatrix *= glm::lookAt(camera.position(), camera.position() + glm::dvec3{lightvector}, glm::dvec3{0.f, 1.f, 0.f});
|
||
// ...projection matrix: calculate boundaries of the frustum chunk in light space...
|
||
auto const lightviewmatrix = glm::translate(glm::mat4{glm::mat3{viewmatrix}}, -frustumchunkcentre);
|
||
for (auto &point : frustumchunkshapepoints)
|
||
{
|
||
point = lightviewmatrix * point;
|
||
}
|
||
bounding_box(frustumchunkmin, frustumchunkmax, std::begin(frustumchunkshapepoints), std::end(frustumchunkshapepoints));
|
||
// quantize the frustum points and add some padding, to reduce shadow shimmer on scale changes
|
||
auto const frustumchunkdepth { zfar - ( Znear > 1.f ? Znear : 0.f ) };
|
||
auto const quantizationstep{std::min(frustumchunkdepth, 50.f)};
|
||
frustumchunkmin = quantizationstep * glm::floor(frustumchunkmin * (1.f / quantizationstep));
|
||
frustumchunkmax = quantizationstep * glm::ceil(frustumchunkmax * (1.f / quantizationstep));
|
||
// ...use the dimensions to set up light projection boundaries...
|
||
// NOTE: since we only have one cascade map stage, we extend the chunk forward/back to catch areas normally covered by other stages
|
||
camera.projection() = ortho_projection(frustumchunkmin.x, frustumchunkmax.x, frustumchunkmin.y, frustumchunkmax.y, frustumchunkmin.z - 500.f, frustumchunkmax.z + 500.f);
|
||
frustumtest_proj = ortho_frustumtest_projection(frustumchunkmin.x, frustumchunkmax.x, frustumchunkmin.y, frustumchunkmax.y, frustumchunkmin.z - 500.f, frustumchunkmax.z + 500.f);
|
||
// ... and adjust the projection to sample complete shadow map texels:
|
||
// get coordinates for a sample texel...
|
||
auto shadowmaptexel = glm::vec2{camera.projection() * glm::mat4{viewmatrix} * glm::vec4{0.f, 0.f, 0.f, 1.f}};
|
||
// ...convert result from clip space to texture coordinates, and calculate adjustment...
|
||
shadowmaptexel *= m_shadowbuffersize * 0.5f;
|
||
auto shadowmapadjustment = glm::round(shadowmaptexel) - shadowmaptexel;
|
||
// ...transform coordinate change back to homogenous light space...
|
||
shadowmapadjustment /= m_shadowbuffersize * 0.5f;
|
||
// ... and bake the adjustment into the projection matrix
|
||
camera.projection() = glm::translate(glm::mat4{1.f}, glm::vec3{shadowmapadjustment, 0.f}) * camera.projection();
|
||
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
case rendermode::pickscenery:
|
||
{
|
||
// modelview
|
||
camera.position() = Global.pCamera.Pos;
|
||
Global.pCamera.SetMatrix(viewmatrix);
|
||
|
||
viewport_proj_config proj = Viewport.projection;
|
||
|
||
// projection
|
||
float znear = 0.1f * Global.ZoomFactor;
|
||
float zfar = Config.draw_range * Global.fDistanceFactor;
|
||
|
||
if (vr) {
|
||
glm::mat4 transform = vr->get_pick_transform();
|
||
camera.position() += glm::vec3(transform[3]) * glm::mat3(viewmatrix);
|
||
viewmatrix = glm::dmat4(glm::inverse(glm::mat3(transform))) * viewmatrix;
|
||
|
||
znear = 0.01f;
|
||
zfar = 10.0f;
|
||
float const fovy = glm::radians(3.0f);
|
||
|
||
glm::vec2 screen_h = glm::vec2(1000.0f, 1000.0f) / 2.0f;
|
||
float const dist = screen_h.y / glm::tan(fovy / 2.0f);
|
||
|
||
proj.pa = glm::vec3(-screen_h.x, -screen_h.y, -dist);
|
||
proj.pb = glm::vec3( screen_h.x, -screen_h.y, -dist);
|
||
proj.pc = glm::vec3(-screen_h.x, screen_h.y, -dist);
|
||
proj.pe = glm::vec3(0.0f, 0.0f, 0.0f);
|
||
}
|
||
|
||
camera.projection() = perspective_projection(proj, znear, zfar, frustumtest_proj);
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
// modelview
|
||
camera.position() = (((true == DebugCameraFlag) && (false == Ignoredebug)) ? Global.pDebugCamera.Pos : Global.pCamera.Pos);
|
||
glm::dvec3 const cubefacetargetvectors[6] = {{1.0, 0.0, 0.0}, {-1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {0.0, -1.0, 0.0}, {0.0, 0.0, 1.0}, {0.0, 0.0, -1.0}};
|
||
glm::dvec3 const cubefaceupvectors[6] = {{0.0, -1.0, 0.0}, {0.0, -1.0, 0.0}, {0.0, 0.0, 1.0}, {0.0, 0.0, -1.0}, {0.0, -1.0, 0.0}, {0.0, -1.0, 0.0}};
|
||
auto const cubefaceindex = m_environmentcubetextureface;
|
||
viewmatrix *= glm::lookAt(camera.position(), camera.position() + cubefacetargetvectors[cubefaceindex], cubefaceupvectors[cubefaceindex]);
|
||
// projection
|
||
float znear = 0.1f * Global.ZoomFactor;
|
||
float zfar = Config.draw_range * Global.fDistanceFactor;
|
||
|
||
viewport_proj_config proj({{ -0.5f, -0.5f, -0.5f },
|
||
{ 0.5f, -0.5f, -0.5f },
|
||
{ -0.5f, 0.5f, -0.5f },
|
||
{ 0.0f, 0.0f, 0.0f }});
|
||
camera.projection() = perspective_projection(proj, znear, zfar, frustumtest_proj);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
camera.modelview() = viewmatrix;
|
||
camera.update_frustum(frustumtest_proj);
|
||
}
|
||
|
||
void opengl33_renderer::setup_matrices()
|
||
{
|
||
OpenGLMatrices.mode(GL_PROJECTION);
|
||
OpenGLMatrices.load_matrix(m_renderpass.pass_camera.projection());
|
||
// trim modelview matrix just to rotation, since rendering is done in camera-centric world space
|
||
OpenGLMatrices.mode(GL_MODELVIEW);
|
||
OpenGLMatrices.load_matrix(glm::mat4{glm::mat3{m_renderpass.pass_camera.modelview()}});
|
||
}
|
||
|
||
void opengl33_renderer::setup_drawing(bool const Alpha)
|
||
{
|
||
if (Alpha)
|
||
{
|
||
glEnable(GL_BLEND);
|
||
glDepthMask(GL_FALSE);
|
||
m_blendingenabled = true;
|
||
}
|
||
else
|
||
{
|
||
glDisable(GL_BLEND);
|
||
glDepthMask(GL_TRUE);
|
||
m_blendingenabled = false;
|
||
}
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
{
|
||
glCullFace(GL_BACK);
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
glCullFace(GL_FRONT);
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
case rendermode::pickscenery:
|
||
{
|
||
glCullFace(GL_BACK);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::setup_shadow_unbind_map()
|
||
{
|
||
opengl_texture::unbind( gl::SHADOW_TEX );
|
||
}
|
||
|
||
// binds shadow map and updates shadow map uniform data
|
||
void opengl33_renderer::setup_shadow_bind_map()
|
||
{
|
||
if( false == Global.gfx_shadowmap_enabled ) { return; }
|
||
|
||
m_shadow_tex->bind(gl::SHADOW_TEX);
|
||
|
||
glm::mat4 coordmove;
|
||
|
||
if (GLAD_GL_ARB_clip_control || GLAD_GL_EXT_clip_control)
|
||
// transform 1..-1 NDC xy coordinates to 1..0
|
||
coordmove = glm::mat4( //
|
||
0.5, 0.0, 0.0, 0.0, //
|
||
0.0, 0.5, 0.0, 0.0, //
|
||
0.0, 0.0, 1.0, 0.0, //
|
||
0.5, 0.5, 0.0, 1.0 //
|
||
);
|
||
else
|
||
// without clip_control we also need to transform z
|
||
coordmove = glm::mat4( //
|
||
0.5, 0.0, 0.0, 0.0, //
|
||
0.0, 0.5, 0.0, 0.0, //
|
||
0.0, 0.0, 0.5, 0.0, //
|
||
0.5, 0.5, 0.5, 1.0 //
|
||
);
|
||
|
||
for( auto idx = 0; idx < m_shadowpass.size(); ++idx ) {
|
||
|
||
glm::mat4 depthproj = m_shadowpass[ idx ].pass_camera.projection();
|
||
// NOTE: we strip transformations from camera projections to remove jitter that occurs
|
||
// with large (and unneded as we only need the offset) transformations back and forth
|
||
auto const depthcam{ glm::mat3{ m_shadowpass[ idx ].pass_camera.modelview()} };
|
||
auto const worldcam{ glm::mat3{ m_renderpass.pass_camera.modelview()} };
|
||
|
||
scene_ubs.lightview[ idx ] =
|
||
coordmove
|
||
* depthproj
|
||
* glm::translate(
|
||
glm::mat4{ depthcam },
|
||
glm::vec3{ m_renderpass.pass_camera.position() - m_shadowpass[ idx ].pass_camera.position() } )
|
||
* glm::mat4{ glm::inverse( worldcam ) };
|
||
}
|
||
scene_ubo->update(scene_ubs);
|
||
}
|
||
|
||
void opengl33_renderer::setup_shadow_color( glm::vec4 const &Shadowcolor ) {
|
||
|
||
model_ubs.shadow_tone = glm::pow( Shadowcolor.x, 2.2f );
|
||
}
|
||
|
||
void opengl33_renderer::setup_env_map(gl::cubemap *tex)
|
||
{
|
||
if (tex)
|
||
{
|
||
tex->bind(GL_TEXTURE0 + gl::ENV_TEX);
|
||
glActiveTexture(GL_TEXTURE0);
|
||
}
|
||
else
|
||
{
|
||
glActiveTexture(GL_TEXTURE0 + gl::ENV_TEX);
|
||
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
|
||
glActiveTexture(GL_TEXTURE0);
|
||
}
|
||
opengl_texture::reset_unit_cache();
|
||
}
|
||
|
||
void opengl33_renderer::setup_environment_light(TEnvironmentType const Environment)
|
||
{
|
||
|
||
switch (Environment)
|
||
{
|
||
case e_flat:
|
||
{
|
||
setup_sunlight_intensity();
|
||
// m_environment = Environment;
|
||
break;
|
||
}
|
||
case e_canyon:
|
||
{
|
||
setup_sunlight_intensity(0.4f);
|
||
// m_environment = Environment;
|
||
break;
|
||
}
|
||
case e_tunnel:
|
||
{
|
||
setup_sunlight_intensity(0.2f);
|
||
// m_environment = Environment;
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::setup_sunlight_intensity( float const Factor ) {
|
||
|
||
m_sunlight.apply_intensity( Factor );
|
||
light_ubs.lights[ 0 ].intensity = m_sunlight.factor * (1.0f - Global.Overcast * 0.33f);
|
||
light_ubs.ambient = m_sunlight.ambient * m_sunlight.factor;
|
||
light_ubo->update( light_ubs );
|
||
}
|
||
|
||
bool opengl33_renderer::Render(world_environment *Environment)
|
||
{
|
||
m_shadowcolor = colors::white; // prevent shadow from affecting sky
|
||
setup_shadow_color( m_shadowcolor );
|
||
|
||
if (Global.bWireFrame)
|
||
{
|
||
// bez nieba w trybie rysowania linii
|
||
return false;
|
||
}
|
||
|
||
Bind_Material(null_handle);
|
||
::glPushMatrix();
|
||
|
||
// skydome
|
||
// drawn with 500m radius to blend in if the fog range is low
|
||
glPushMatrix();
|
||
{
|
||
glScalef( 500.0f, 500.0f, 500.0f );
|
||
model_ubs.set_modelview( OpenGLMatrices.data( GL_MODELVIEW ) );
|
||
model_ubo->update( model_ubs );
|
||
|
||
m_skydomerenderer.update();
|
||
m_skydomerenderer.render();
|
||
// skydome uses a custom vbo which could potentially confuse the main geometry system. hardly elegant but, eh
|
||
gfx::opengl33_vaogeometrybank::reset();
|
||
}
|
||
glPopMatrix();
|
||
|
||
::glBlendFunc( GL_SRC_ALPHA, GL_ONE );
|
||
|
||
// stars
|
||
if (Environment->m_stars.m_stars != nullptr)
|
||
{
|
||
// setup
|
||
::glPushMatrix();
|
||
::glRotatef(Environment->m_stars.m_latitude, 1.f, 0.f, 0.f); // ustawienie osi OY na północ
|
||
::glRotatef(-std::fmod((float)Global.fTimeAngleDeg, 360.f), 0.f, 1.f, 0.f); // obrót dobowy osi OX
|
||
|
||
// render
|
||
Render(Environment->m_stars.m_stars, nullptr, 1.0);
|
||
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
}
|
||
|
||
// celestial bodies
|
||
m_celestial_shader->bind();
|
||
m_empty_vao->bind();
|
||
|
||
auto const &modelview = OpenGLMatrices.data(GL_MODELVIEW);
|
||
|
||
auto const fogfactor{std::clamp(Global.fFogEnd / 2000.f, 0.f, 1.f)}; // stronger fog reduces opacity of the celestial bodies
|
||
float const duskfactor = 1.0f - std::clamp(std::abs(Environment->m_sun.getAngle()), 0.0f, 12.0f) / 12.0f;
|
||
glm::vec3 suncolor = glm::mix(glm::vec3(255.0f / 255.0f, 242.0f / 255.0f, 231.0f / 255.0f), glm::vec3(235.0f / 255.0f, 140.0f / 255.0f, 36.0f / 255.0f), duskfactor);
|
||
|
||
// sun
|
||
{
|
||
Bind_Texture(0, m_suntexture);
|
||
glm::vec4 color(suncolor.x, suncolor.y, suncolor.z, std::clamp(1.5f - Global.Overcast, 0.f, 1.f) * fogfactor);
|
||
auto const sunvector = Environment->m_sun.getDirection();
|
||
|
||
/*float const size = std::lerp( // TODO: expose distance/scale factor from the moon object
|
||
0.0325f,
|
||
0.0275f,
|
||
std::clamp( Environment->m_sun.getAngle(), 0.f, 90.f ) / 90.f );*/
|
||
model_ubs.param[0] = color;
|
||
model_ubs.param[1] = glm::vec4(glm::vec3(modelview * glm::vec4(sunvector, 1.0f)), 0.00463f /* size */);
|
||
model_ubs.param[2] = glm::vec4(0.0f, 1.0f, 1.0f, 0.0f);
|
||
model_ubo->update(model_ubs);
|
||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||
}
|
||
// moon
|
||
{
|
||
Bind_Texture(0, m_moontexture);
|
||
glm::vec3 mooncolor(255.0f / 255.0f, 242.0f / 255.0f, 231.0f / 255.0f);
|
||
glm::vec4 color(mooncolor.r, mooncolor.g, mooncolor.b,
|
||
// fade the moon if it's near the sun in the sky, especially during the day
|
||
std::max<float>(0.f, 1.0 - 0.5 * Global.fLuminance - 0.65 * std::max(0.f, glm::dot(Environment->m_sun.getDirection(), Environment->m_moon.getDirection()))) * fogfactor);
|
||
|
||
auto const moonvector = Environment->m_moon.getDirection();
|
||
|
||
// choose the moon appearance variant, based on current moon phase
|
||
// NOTE: implementation specific, 8 variants are laid out in 3x3 arrangement
|
||
// from new moon onwards, top left to right bottom (last spot is left for future use, if any)
|
||
auto const moonphase = Environment->m_moon.getPhase();
|
||
float moonu, moonv;
|
||
if (moonphase < 1.84566f)
|
||
{
|
||
moonv = 1.0f - 0.0f;
|
||
moonu = 0.0f;
|
||
}
|
||
else if (moonphase < 5.53699f)
|
||
{
|
||
moonv = 1.0f - 0.0f;
|
||
moonu = 0.333f;
|
||
}
|
||
else if (moonphase < 9.22831f)
|
||
{
|
||
moonv = 1.0f - 0.0f;
|
||
moonu = 0.667f;
|
||
}
|
||
else if (moonphase < 12.91963f)
|
||
{
|
||
moonv = 1.0f - 0.333f;
|
||
moonu = 0.0f;
|
||
}
|
||
else if (moonphase < 16.61096f)
|
||
{
|
||
moonv = 1.0f - 0.333f;
|
||
moonu = 0.333f;
|
||
}
|
||
else if (moonphase < 20.30228f)
|
||
{
|
||
moonv = 1.0f - 0.333f;
|
||
moonu = 0.667f;
|
||
}
|
||
else if (moonphase < 23.99361f)
|
||
{
|
||
moonv = 1.0f - 0.667f;
|
||
moonu = 0.0f;
|
||
}
|
||
else if (moonphase < 27.68493f)
|
||
{
|
||
moonv = 1.0f - 0.667f;
|
||
moonu = 0.333f;
|
||
}
|
||
else if (moonphase == 50) //9th slot used for easter egg
|
||
{
|
||
moonv = 1.0f - 0.667f;
|
||
moonu = 0.66f;
|
||
}
|
||
else
|
||
{
|
||
moonv = 1.0f - 0.0f;
|
||
moonu = 0.0f;
|
||
}
|
||
|
||
/*
|
||
float const size = std::lerp( // TODO: expose distance/scale factor from the moon object
|
||
0.0160f,
|
||
0.0135f,
|
||
std::clamp( Environment->m_moon.getAngle(), 0.f, 90.f ) / 90.f );*/
|
||
|
||
model_ubs.param[0] = color;
|
||
model_ubs.param[1] = glm::vec4(glm::vec3(modelview * glm::vec4(moonvector, 1.0f)), 0.00451f /* size */);
|
||
model_ubs.param[2] = glm::vec4(moonu, moonv, 0.333f, 0.0f);
|
||
model_ubo->update(model_ubs);
|
||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||
}
|
||
|
||
::glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
|
||
|
||
// clouds
|
||
if (Environment->m_clouds.mdCloud)
|
||
{
|
||
// setup
|
||
auto const color {
|
||
glm::clamp(
|
||
( glm::vec3 { Global.DayLight.ambient }
|
||
+ 0.35f * glm::vec3{ Global.DayLight.diffuse } ) * simulation::Environment.light_intensity()
|
||
* 0.5f,
|
||
glm::vec3{ 0.f }, glm::vec3{ 1.f } ) };
|
||
|
||
// write cloud color into material
|
||
TSubModel *mdl = Environment->m_clouds.mdCloud->Root;
|
||
if (mdl->m_material != null_handle)
|
||
m_materials.material(mdl->m_material).params[0] = glm::vec4(color, 1.0f);
|
||
|
||
// render
|
||
Render(Environment->m_clouds.mdCloud, nullptr, 100.0);
|
||
Render_Alpha(Environment->m_clouds.mdCloud, nullptr, 100.0);
|
||
// post-render cleanup
|
||
}
|
||
|
||
gl::program::unbind();
|
||
gl::vao::unbind();
|
||
::glPopMatrix();
|
||
|
||
m_sunlight.apply_angle();
|
||
m_sunlight.apply_intensity();
|
||
|
||
// calculate shadow tone, based on positions of celestial bodies
|
||
m_shadowcolor = glm::mix(glm::vec4{colors::shadow}, glm::vec4{colors::white}, std::clamp(-Environment->m_sun.getAngle(), 0.f, 6.f) / 6.f);
|
||
if ((Environment->m_sun.getAngle() < -18.f) && (Environment->m_moon.getAngle() > 0.f))
|
||
{
|
||
// turn on moon shadows after nautical twilight, if the moon is actually up
|
||
m_shadowcolor = colors::shadow;
|
||
}
|
||
// soften shadows depending on sky overcast factor
|
||
m_shadowcolor = glm::min(colors::white, m_shadowcolor + ((colors::white - colors::shadow) * Global.Overcast));
|
||
|
||
setup_shadow_color( m_shadowcolor);
|
||
|
||
return true;
|
||
}
|
||
|
||
// geometry methods
|
||
// creates a new geometry bank. returns: handle to the bank or NULL
|
||
gfx::geometrybank_handle opengl33_renderer::Create_Bank()
|
||
{
|
||
return m_geometry.register_bank(std::make_unique<gfx::opengl33_vaogeometrybank>());
|
||
}
|
||
|
||
// creates a new indexed geometry chunk of specified type from supplied data, in specified bank. returns: handle to the chunk or NULL
|
||
gfx::geometry_handle opengl33_renderer::Insert(gfx::index_array &Indices, gfx::vertex_array &Vertices, gfx::userdata_array &Userdata, gfx::geometrybank_handle const &Geometry, int const Type)
|
||
{
|
||
// NOTE: we expect indexed geometry to come with calculated tangents
|
||
return m_geometry.create_chunk( Indices, Vertices, Userdata, Geometry, Type );
|
||
}
|
||
|
||
// creates a new geometry chunk of specified type from supplied data, in specified bank. returns: handle to the chunk or NULL
|
||
gfx::geometry_handle opengl33_renderer::Insert(gfx::vertex_array &Vertices, gfx::userdata_array &Userdata, gfx::geometrybank_handle const &Geometry, int const Type)
|
||
{
|
||
gfx::calculate_tangents(Vertices, gfx::index_array(), Type);
|
||
|
||
return m_geometry.create_chunk(Vertices, Userdata, Geometry, Type);
|
||
}
|
||
|
||
// replaces data of specified chunk with the supplied vertex data, starting from specified offset
|
||
bool opengl33_renderer::Replace(gfx::vertex_array &Vertices, gfx::userdata_array &Userdata, gfx::geometry_handle const &Geometry, int const Type, const std::size_t Offset)
|
||
{
|
||
gfx::calculate_tangents(Vertices, gfx::index_array(), Type);
|
||
|
||
return m_geometry.replace(Vertices, Userdata, Geometry, Offset);
|
||
}
|
||
|
||
// adds supplied vertex data at the end of specified chunk
|
||
bool opengl33_renderer::Append(gfx::vertex_array &Vertices, gfx::userdata_array &Userdata, gfx::geometry_handle const &Geometry, int const Type)
|
||
{
|
||
gfx::calculate_tangents(Vertices, gfx::index_array(), Type);
|
||
|
||
return m_geometry.append(Vertices, Userdata, Geometry);
|
||
}
|
||
|
||
// provides direct access to index data of specfied chunk
|
||
gfx::index_array const & opengl33_renderer::Indices(gfx::geometry_handle const &Geometry) const
|
||
{
|
||
return m_geometry.indices(Geometry);
|
||
}
|
||
|
||
// provides direct access to vertex data of specfied chunk
|
||
gfx::vertex_array const &opengl33_renderer::Vertices(gfx::geometry_handle const &Geometry) const
|
||
{
|
||
return m_geometry.vertices(Geometry);
|
||
}
|
||
|
||
gfx::userdata_array const &opengl33_renderer::UserData(const gfx::geometry_handle &Geometry) const
|
||
{
|
||
return m_geometry.userdata(Geometry);
|
||
}
|
||
|
||
// material methods
|
||
material_handle opengl33_renderer::Fetch_Material(std::string const &Filename, bool const Loadnow)
|
||
{
|
||
|
||
return m_materials.create(Filename, Loadnow);
|
||
}
|
||
|
||
std::shared_ptr<gl::program> opengl33_renderer::Fetch_Shader(const std::string &name)
|
||
{
|
||
auto it = m_shaders.find(name);
|
||
if (it == m_shaders.end())
|
||
{
|
||
gl::shader fragment("mat_" + name + ".frag");
|
||
gl::program *program = new gl::program({fragment, *m_vertex_shader.get()});
|
||
m_shaders.insert({name, std::shared_ptr<gl::program>(program)});
|
||
}
|
||
|
||
return m_shaders[name];
|
||
}
|
||
|
||
void opengl33_renderer::Bind_Material( material_handle const Material, TSubModel const *sm, lighting_data const *lighting )
|
||
{
|
||
if (Material != null_handle)
|
||
{
|
||
auto const &material { m_materials.material( Material ) };
|
||
|
||
if( false == material.is_good ) {
|
||
// use failure indicator instead
|
||
if( Material != m_invalid_material ) {
|
||
Bind_Material( m_invalid_material );
|
||
}
|
||
return;
|
||
}
|
||
|
||
memcpy(&model_ubs.param[0], &material.params[0], sizeof(model_ubs.param));
|
||
|
||
for( auto const &entry : material.params_state )
|
||
{
|
||
glm::vec4 src(1.0f);
|
||
|
||
// submodel-based parameters
|
||
if (sm)
|
||
{
|
||
switch( entry.defaultparam ) {
|
||
case gl::shader::defaultparam_e::ambient: {
|
||
src = sm->f4Ambient;
|
||
break;
|
||
}
|
||
case gl::shader::defaultparam_e::diffuse: {
|
||
src = sm->f4Diffuse;
|
||
break;
|
||
}
|
||
case gl::shader::defaultparam_e::specular: {
|
||
src = sm->f4Specular;
|
||
break;
|
||
}
|
||
default: {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
if( lighting )
|
||
{
|
||
switch( entry.defaultparam ) {
|
||
case gl::shader::defaultparam_e::ambient: {
|
||
src = lighting->ambient;
|
||
break;
|
||
}
|
||
case gl::shader::defaultparam_e::diffuse: {
|
||
src = lighting->diffuse;
|
||
break;
|
||
}
|
||
case gl::shader::defaultparam_e::specular: {
|
||
src = lighting->specular;
|
||
break;
|
||
}
|
||
default: {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
// material-based parameters
|
||
switch( entry.defaultparam ) {
|
||
case gl::shader::defaultparam_e::glossiness: {
|
||
src = glm::vec4 { material.glossiness };
|
||
}
|
||
default: {
|
||
break;
|
||
}
|
||
}
|
||
|
||
if( entry.size == 1 ) {
|
||
// HACK: convert color to luminosity, if it's passed as single value
|
||
src = glm::vec4 { colors::RGBtoHSV( glm::vec3 { src } ).z };
|
||
}
|
||
for (size_t j = 0; j < entry.size; j++)
|
||
model_ubs.param[entry.location][entry.offset + j] = src[j];
|
||
}
|
||
/*
|
||
if (m_blendingenabled)
|
||
{
|
||
model_ubs.opacity = -1.0f;
|
||
}
|
||
else
|
||
{
|
||
if (!std::isnan(material.opacity))
|
||
model_ubs.opacity = material.opacity;
|
||
else
|
||
model_ubs.opacity = 0.5f;
|
||
}
|
||
*/
|
||
|
||
if( material.opacity ) {
|
||
model_ubs.opacity = (
|
||
m_blendingenabled ?
|
||
-material.opacity.value() :
|
||
material.opacity.value() );
|
||
}
|
||
else {
|
||
model_ubs.opacity = (
|
||
m_blendingenabled ?
|
||
0.0f :
|
||
0.5f );
|
||
}
|
||
|
||
if (sm)
|
||
model_ubs.alpha_mult = sm->fVisible;
|
||
else
|
||
model_ubs.alpha_mult = 1.0f;
|
||
|
||
if (GLAD_GL_ARB_multi_bind)
|
||
{
|
||
GLuint lastdiff = 0;
|
||
size_t i;
|
||
for (i = 0; i < gl::MAX_TEXTURES; i++)
|
||
if (material.textures[i] != null_handle)
|
||
{
|
||
opengl_texture &tex = m_textures.mark_as_used(material.textures[i]);
|
||
tex.create();
|
||
if (opengl_texture::units[i] != tex.id)
|
||
{
|
||
opengl_texture::units[i] = tex.id;
|
||
lastdiff = i + 1;
|
||
}
|
||
}
|
||
else
|
||
break;
|
||
|
||
if (lastdiff)
|
||
glBindTextures(0, lastdiff, &opengl_texture::units[0]);
|
||
}
|
||
else
|
||
{
|
||
size_t unit = 0;
|
||
for (auto &tex : material.textures)
|
||
{
|
||
if (tex == null_handle)
|
||
break;
|
||
m_textures.bind(unit, tex);
|
||
unit++;
|
||
}
|
||
}
|
||
|
||
material.shader->bind();
|
||
}
|
||
else if (Material != m_invalid_material)
|
||
Bind_Material(m_invalid_material);
|
||
}
|
||
|
||
void opengl33_renderer::Bind_Material_Shadow(material_handle const Material)
|
||
{
|
||
if (Material != null_handle)
|
||
{
|
||
auto &material = m_materials.material(Material);
|
||
|
||
if (material.textures[0] != null_handle)
|
||
{
|
||
m_textures.bind(0, material.textures[0]);
|
||
m_alpha_shadow_shader->bind();
|
||
}
|
||
else {
|
||
m_shadow_shader->bind();
|
||
}
|
||
}
|
||
else {
|
||
m_shadow_shader->bind();
|
||
}
|
||
}
|
||
|
||
IMaterial const *opengl33_renderer::Material(material_handle const Material) const
|
||
{
|
||
return &m_materials.material(Material);
|
||
}
|
||
|
||
opengl_material &opengl33_renderer::Material(material_handle const Material)
|
||
{
|
||
return m_materials.material(Material);
|
||
}
|
||
|
||
opengl_material const & opengl33_renderer::Material( TSubModel const * Submodel ) const {
|
||
|
||
auto const material { Submodel->m_material >= 0 ? Submodel->m_material : Submodel->ReplacableSkinId[ -Submodel->m_material ] };
|
||
return m_materials.material( material );
|
||
}
|
||
|
||
texture_handle opengl33_renderer::Fetch_Texture(std::string const &Filename, bool const Loadnow, GLint format_hint)
|
||
{
|
||
return m_textures.create(Filename, Loadnow, format_hint);
|
||
}
|
||
|
||
void opengl33_renderer::Bind_Texture( texture_handle const Texture )
|
||
{
|
||
return Bind_Texture( 0, Texture );
|
||
}
|
||
|
||
void opengl33_renderer::Bind_Texture(std::size_t const Unit, texture_handle const Texture)
|
||
{
|
||
m_textures.bind(Unit, Texture);
|
||
}
|
||
|
||
ITexture &opengl33_renderer::Texture(texture_handle const Texture)
|
||
{
|
||
|
||
return m_textures.texture(Texture);
|
||
}
|
||
|
||
ITexture const &opengl33_renderer::Texture(texture_handle const Texture) const
|
||
{
|
||
|
||
return m_textures.texture(Texture);
|
||
}
|
||
|
||
void opengl33_renderer::Update_AnimModel(TAnimModel *model)
|
||
{
|
||
model->RaAnimate(m_framestamp);
|
||
}
|
||
|
||
void opengl33_renderer::Render(scene::basic_region *Region)
|
||
{
|
||
|
||
m_sectionqueue.clear();
|
||
m_cellqueue.clear();
|
||
// discard last pass's accumulated instance buckets before this pass starts
|
||
m_frame_instance_buckets.clear();
|
||
// build a list of region sections to render
|
||
glm::vec3 const cameraposition{m_renderpass.pass_camera.position()};
|
||
auto const camerax = static_cast<int>(std::floor(cameraposition.x / scene::EU07_SECTIONSIZE + scene::EU07_REGIONSIDESECTIONCOUNT / 2));
|
||
auto const cameraz = static_cast<int>(std::floor(cameraposition.z / scene::EU07_SECTIONSIZE + scene::EU07_REGIONSIDESECTIONCOUNT / 2));
|
||
int const segmentcount = 2 * static_cast<int>(std::ceil(m_renderpass.draw_range * Global.fDistanceFactor / scene::EU07_SECTIONSIZE));
|
||
int const originx = camerax - segmentcount / 2;
|
||
int const originz = cameraz - segmentcount / 2;
|
||
|
||
for (int row = originz; row <= originz + segmentcount; ++row)
|
||
{
|
||
if (row < 0)
|
||
{
|
||
continue;
|
||
}
|
||
if (row >= scene::EU07_REGIONSIDESECTIONCOUNT)
|
||
{
|
||
break;
|
||
}
|
||
for (int column = originx; column <= originx + segmentcount; ++column)
|
||
{
|
||
if (column < 0)
|
||
{
|
||
continue;
|
||
}
|
||
if (column >= scene::EU07_REGIONSIDESECTIONCOUNT)
|
||
{
|
||
break;
|
||
}
|
||
auto *section{Region->m_sections[row * scene::EU07_REGIONSIDESECTIONCOUNT + column]};
|
||
if ((section != nullptr) && (m_renderpass.pass_camera.visible(section->m_area)))
|
||
{
|
||
m_sectionqueue.emplace_back(section);
|
||
}
|
||
}
|
||
}
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
{
|
||
Render(std::begin(m_sectionqueue), std::end(m_sectionqueue));
|
||
// draw queue is filled while rendering sections
|
||
if (EditorModeFlag && m_current_viewport->main)
|
||
{
|
||
// when editor mode is active calculate world position of the cursor
|
||
// at this stage the z-buffer is filled with only ground geometry
|
||
Update_Mouse_Position();
|
||
}
|
||
// draw opaque cells front-to-back: with the depth test enabled this
|
||
// lets the GPU reject hidden fragments early, before the (expensive)
|
||
// lit fragment shader runs on them. Order is irrelevant to the final
|
||
// image for opaque geometry, so this is purely a fill-rate win.
|
||
std::sort( std::begin( m_cellqueue ), std::end( m_cellqueue ),
|
||
[]( distancecell_pair const &Left, distancecell_pair const &Right ) { return Left.first < Right.first; } );
|
||
Render(std::begin(m_cellqueue), std::end(m_cellqueue));
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
case rendermode::pickscenery:
|
||
{
|
||
// these render modes don't bother with lights
|
||
Render(std::begin(m_sectionqueue), std::end(m_sectionqueue));
|
||
// they can also skip queue sorting, as they only deal with opaque geometry
|
||
// NOTE: there's benefit from rendering front-to-back, but is it significant enough? TODO: investigate
|
||
Render(std::begin(m_cellqueue), std::end(m_cellqueue));
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
Render(std::begin(m_sectionqueue), std::end(m_sectionqueue));
|
||
if( Global.reflectiontune.fidelity >= 1 ) {
|
||
Render(std::begin(m_cellqueue), std::end(m_cellqueue));
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
// no need to render anything ourside of the cab in control picking mode
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::Render(section_sequence::iterator First, section_sequence::iterator Last)
|
||
{
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
case rendermode::shadows:
|
||
break;
|
||
case rendermode::pickscenery:
|
||
{
|
||
// non-interactive scenery elements get neutral colour
|
||
model_ubs.param[0] = colors::none;
|
||
break;
|
||
}
|
||
default:
|
||
break;
|
||
}
|
||
|
||
while (First != Last)
|
||
{
|
||
|
||
auto *section = *First;
|
||
section->create_geometry();
|
||
|
||
// render shapes held by the section
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
case rendermode::shadows:
|
||
case rendermode::pickscenery:
|
||
{
|
||
if (false == section->m_shapes.empty())
|
||
{
|
||
// since all shapes of the section share center point we can optimize out a few calls here
|
||
::glPushMatrix();
|
||
auto const originoffset{section->m_area.center - m_renderpass.pass_camera.position()};
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
// render
|
||
for (auto const &shape : section->m_shapes)
|
||
{
|
||
Render(shape, true);
|
||
}
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
// add the section's cells to the cell queue
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::shadows:
|
||
case rendermode::pickscenery:
|
||
{
|
||
// TBD, TODO: refactor into a method to reuse below?
|
||
for (auto &cell : section->m_cells)
|
||
{
|
||
if ((true == cell.m_active) && (m_renderpass.pass_camera.visible(cell.m_area)))
|
||
{
|
||
// store visible cells with content as well as their current distance, for sorting later
|
||
m_cellqueue.emplace_back(glm::length2(m_renderpass.pass_camera.position() - cell.m_area.center), &cell);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
// we can skip filling the cell queue if reflections pass isn't going to use it
|
||
if( Global.reflectiontune.fidelity == 0 ) { break; }
|
||
for (auto &cell : section->m_cells)
|
||
{
|
||
if ((true == cell.m_active) && (m_renderpass.pass_camera.visible(cell.m_area)))
|
||
{
|
||
// store visible cells with content as well as their current distance, for sorting later
|
||
m_cellqueue.emplace_back(glm::length2(m_renderpass.pass_camera.position() - cell.m_area.center), &cell);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
// proceed to next section
|
||
++First;
|
||
}
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
{
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::Render(cell_sequence::iterator First, cell_sequence::iterator Last)
|
||
{
|
||
|
||
// cache initial iterator for the second sweep
|
||
auto first{First};
|
||
// first pass draws elements which we know are located in section banks, to reduce vbo switching
|
||
while (First != Last)
|
||
{
|
||
|
||
auto *cell = First->second;
|
||
// przeliczenia animacji torów w sektorze
|
||
cell->RaAnimate(m_framestamp);
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
{
|
||
// since all shapes of the section share center point we can optimize out a few calls here
|
||
::glPushMatrix();
|
||
auto const originoffset{cell->m_area.center - m_renderpass.pass_camera.position()};
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
|
||
// render
|
||
// opaque non-instanced shapes
|
||
for (auto const &shape : cell->m_shapesopaque)
|
||
{
|
||
Render(shape, false);
|
||
}
|
||
// tracks
|
||
// TODO: update after path node refactoring
|
||
Render(std::begin(cell->m_paths), std::end(cell->m_paths));
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
// since all shapes of the section share center point we can optimize out a few calls here
|
||
::glPushMatrix();
|
||
auto const originoffset{cell->m_area.center - m_renderpass.pass_camera.position()};
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
|
||
// render
|
||
// opaque non-instanced shapes
|
||
for (auto const &shape : cell->m_shapesopaque)
|
||
Render(shape, false);
|
||
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
// since all shapes of the section share center point we can optimize out a few calls here
|
||
::glPushMatrix();
|
||
auto const originoffset{cell->m_area.center - m_renderpass.pass_camera.position()};
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
|
||
// render
|
||
// opaque non-instanced shapes
|
||
for (auto const &shape : cell->m_shapesopaque)
|
||
Render(shape, false);
|
||
// tracks
|
||
Render(std::begin(cell->m_paths), std::end(cell->m_paths));
|
||
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
|
||
break;
|
||
}
|
||
case rendermode::pickscenery:
|
||
{
|
||
// same procedure like with regular render, but editor-enabled nodes receive custom colour used for picking
|
||
// since all shapes of the section share center point we can optimize out a few calls here
|
||
::glPushMatrix();
|
||
auto const originoffset{cell->m_area.center - m_renderpass.pass_camera.position()};
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
// render
|
||
// opaque non-instanced shapes
|
||
// non-interactive scenery elements get neutral colour
|
||
model_ubs.param[0] = colors::none;
|
||
for (auto const &shape : cell->m_shapesopaque)
|
||
Render(shape, false);
|
||
// tracks
|
||
for (auto *path : cell->m_paths)
|
||
{
|
||
model_ubs.param[0] = glm::vec4(pick_color(m_picksceneryitems.size() + 1), 1.0f);
|
||
Render(path);
|
||
}
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
++First;
|
||
}
|
||
// second pass draws elements with their own vbos
|
||
while (first != Last)
|
||
{
|
||
|
||
auto const *cell = first->second;
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::shadows:
|
||
{
|
||
// TBD, TODO: refactor in to a method to reuse in branch below?
|
||
// opaque parts of instanced models -- accumulate this cell's buckets
|
||
// into the frame-level map; the actual Render_Instanced() calls are
|
||
// issued once per unique model after the cell loop (see flush below).
|
||
//
|
||
// Cell-level far-distance pre-cull: when the whole cell lies beyond
|
||
// the instance draw distance, every instance in it would fail the
|
||
// per-instance drawdistancethreshold test inside Render_Instanced(),
|
||
// so there is no point merging its buckets into the frame map. The
|
||
// test reproduces Render_Instanced()'s distance maths exactly -- same
|
||
// ZoomFactor / fDistanceFactor scaling, same +250 margin -- applied to
|
||
// the nearest point of the cell's bounding sphere. basic_cell::enclose_area
|
||
// guarantees m_area.radius >= |m_area.center - instance.location()| for
|
||
// every contained instance, so the nearest-point distance is a true
|
||
// lower bound on every instance's distance: the cull can never drop a
|
||
// cell that still holds a drawable instance. Shadows measure from the
|
||
// real (viewport) camera, matching Render_Instanced()'s shadow branch;
|
||
// every other gated mode measures from the pass camera. Non-instanced
|
||
// scenery and vehicles below keep their own per-node culling and are
|
||
// intentionally left untouched.
|
||
{
|
||
auto const &distancecamera = (
|
||
m_renderpass.draw_mode == rendermode::shadows
|
||
? m_renderpass.viewport_camera
|
||
: m_renderpass.pass_camera );
|
||
auto const cellcenterdistance { glm::length( cell->m_area.center - distancecamera.position() ) };
|
||
auto const cellnearestdistance { std::max( 0.0, cellcenterdistance - cell->m_area.radius ) };
|
||
auto const cellnearestdistancesquared {
|
||
( cellnearestdistance * cellnearestdistance )
|
||
/ ( static_cast<double>( Global.ZoomFactor ) * static_cast<double>( Global.ZoomFactor ) )
|
||
/ static_cast<double>( Global.fDistanceFactor ) };
|
||
if( cellnearestdistancesquared <= sq( static_cast<double>( m_renderpass.draw_range ) + 250.0 ) ) {
|
||
for( auto const &bucket : cell->m_instancebuckets_opaque ) {
|
||
auto &dest = m_frame_instance_buckets[ bucket.first ];
|
||
dest.insert( dest.end(), bucket.second.begin(), bucket.second.end() );
|
||
}
|
||
}
|
||
}
|
||
// remaining (non-instanceable) opaque instance nodes go through the per-node path
|
||
for (auto *instance : cell->m_instancesopaque)
|
||
{
|
||
if( instance->m_instanceable ) { continue; } // already handled via bucket
|
||
Render(instance);
|
||
}
|
||
// opaque parts of vehicles
|
||
for (auto *path : cell->m_paths)
|
||
{
|
||
for (auto *dynamic : path->Dynamics)
|
||
{
|
||
Render(dynamic);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
if( Global.reflectiontune.fidelity >= 1 ) {
|
||
// opaque parts of instanced models -- accumulate into the
|
||
// frame-level map; flushed once per unique model after the loop.
|
||
for( auto const &bucket : cell->m_instancebuckets_opaque ) {
|
||
auto &dest = m_frame_instance_buckets[ bucket.first ];
|
||
dest.insert( dest.end(), bucket.second.begin(), bucket.second.end() );
|
||
}
|
||
for( auto *instance : cell->m_instancesopaque ) {
|
||
if( instance->m_instanceable ) { continue; }
|
||
Render( instance );
|
||
}
|
||
}
|
||
if( Global.reflectiontune.fidelity >= 2 ) {
|
||
// opaque parts of vehicles
|
||
for( auto *path : cell->m_paths ) {
|
||
for( auto *dynamic : path->Dynamics ) {
|
||
Render( dynamic );
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::pickscenery:
|
||
{
|
||
// opaque parts of instanced models
|
||
// same procedure like with regular render, but each node receives custom colour used for picking.
|
||
// picking always uses the per-instance path because each instance needs a unique pick colour;
|
||
// batching would assign the same colour to every instance in the bucket.
|
||
for (auto *instance : cell->m_instancesopaque)
|
||
{
|
||
model_ubs.param[0] = glm::vec4(pick_color(m_picksceneryitems.size() + 1), 1.0f);
|
||
Render(instance);
|
||
}
|
||
// vehicles aren't included in scenery picking for the time being
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
++first;
|
||
}
|
||
|
||
// flush accumulated instance buckets: issue one Render_Instanced() per unique
|
||
// (TModel3d*, skins) key across every cell visited in this pass, instead of
|
||
// one call per cell. All per-instance frustum/distance/pixel-area culling
|
||
// still happens inside Render_Instanced(), so correctness is unchanged -- only
|
||
// the number of calls and glBufferSubData round-trips drops sharply.
|
||
// (For pickscenery/pickcontrols modes the map stays empty, so this is a no-op.)
|
||
for( auto const &bucket : m_frame_instance_buckets ) {
|
||
Render_Instanced( bucket.first.pModel, bucket.second );
|
||
}
|
||
m_frame_instance_buckets.clear();
|
||
}
|
||
|
||
void opengl33_renderer::Draw_Geometry(std::vector<gfx::geometrybank_handle>::iterator begin, std::vector<gfx::geometrybank_handle>::iterator end)
|
||
{
|
||
m_geometry.draw(begin, end);
|
||
}
|
||
|
||
void opengl33_renderer::Draw_Geometry(const gfx::geometrybank_handle &handle)
|
||
{
|
||
m_geometry.draw(handle);
|
||
}
|
||
|
||
void opengl33_renderer::draw(const gfx::geometry_handle &handle)
|
||
{
|
||
model_ubs.set_modelview(OpenGLMatrices.data(GL_MODELVIEW));
|
||
model_ubo->update(model_ubs);
|
||
|
||
if( m_current_instance_count > 0 ) {
|
||
// inside Render_Instanced(): one GL instanced draw replaces what would
|
||
// otherwise be N regular draws (one per instance) at this submodel
|
||
m_geometry.draw_instanced( handle, m_current_instance_count );
|
||
}
|
||
else {
|
||
m_geometry.draw( handle );
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::draw(std::vector<gfx::geometrybank_handle>::iterator it, std::vector<gfx::geometrybank_handle>::iterator end)
|
||
{
|
||
model_ubs.set_modelview(OpenGLMatrices.data(GL_MODELVIEW));
|
||
model_ubo->update(model_ubs);
|
||
|
||
Draw_Geometry(it, end);
|
||
}
|
||
|
||
void opengl33_renderer::Render(scene::shape_node const &Shape, bool const Ignorerange)
|
||
{
|
||
auto const &data{Shape.data()};
|
||
|
||
if (false == Ignorerange)
|
||
{
|
||
double distancesquared;
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
{
|
||
// 'camera' for the light pass is the light source, but we need to draw what the 'real' camera sees
|
||
distancesquared = glm::length2((data.area.center - m_renderpass.viewport_camera.position()) / (double)Global.ZoomFactor) / Global.fDistanceFactor;
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
// reflection mode draws simplified version of the shapes, by artificially increasing view range
|
||
distancesquared =
|
||
// TBD, TODO: bind offset value with setting variable?
|
||
sq(EU07_REFLECTIONFIDELITYOFFSET)
|
||
+ glm::length2( ( data.area.center - m_renderpass.pass_camera.position() ) );
|
||
/*
|
||
// TBD: take into account distance multipliers?
|
||
/ Global.fDistanceFactor;
|
||
*/
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
distancesquared = glm::length2((data.area.center - m_renderpass.pass_camera.position()) / (double)Global.ZoomFactor) / Global.fDistanceFactor;
|
||
break;
|
||
}
|
||
}
|
||
if ((distancesquared < data.rangesquared_min) || (distancesquared >= data.rangesquared_max))
|
||
{
|
||
return;
|
||
}
|
||
}
|
||
|
||
// setup
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
Bind_Material(data.material, nullptr, &Shape.data().lighting );
|
||
break;
|
||
case rendermode::shadows:
|
||
// skip if the shadow caster rank is too low for currently set threshold
|
||
if( Material( data.material ).shadow_rank > Global.gfx_shadow_rank_cutoff )
|
||
return;
|
||
Bind_Material_Shadow(data.material);
|
||
break;
|
||
case rendermode::pickscenery:
|
||
case rendermode::pickcontrols:
|
||
m_pick_shader->bind();
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
// render
|
||
|
||
draw(data.geometry);
|
||
// debug data
|
||
++m_renderpass.draw_stats.shapes;
|
||
++m_renderpass.draw_stats.drawcalls;
|
||
}
|
||
|
||
void opengl33_renderer::Render(TAnimModel *Instance)
|
||
{
|
||
|
||
if (false == Instance->m_visible) { return; }
|
||
if( false == m_renderpass.pass_camera.visible( Instance->m_area ) ) { return; }
|
||
|
||
double distancesquared;
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
{
|
||
// 'camera' for the light pass is the light source, but we need to draw what the 'real' camera sees
|
||
distancesquared = glm::length2((Instance->location() - m_renderpass.viewport_camera.position()) / (double)Global.ZoomFactor) / Global.fDistanceFactor;
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
// reflection mode draws simplified version of the shapes, by artificially increasing view range
|
||
// it also ignores zoom settings and distance multipliers
|
||
// TBD: take into account distance multipliers?
|
||
distancesquared = glm::length2((Instance->location() - m_renderpass.pass_camera.position())) /* / Global.fDistanceFactor */;
|
||
// NOTE: arbitrary draw range limit
|
||
if( distancesquared > Global.reflectiontune.range_instances * Global.reflectiontune.range_instances ) {
|
||
return;
|
||
}
|
||
// TBD, TODO: bind offset value with setting variable?
|
||
distancesquared += sq(EU07_REFLECTIONFIDELITYOFFSET);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
distancesquared = glm::length2((Instance->location() - m_renderpass.pass_camera.position()) / (double)Global.ZoomFactor) / Global.fDistanceFactor;
|
||
break;
|
||
}
|
||
}
|
||
if ((distancesquared < Instance->m_rangesquaredmin) || (distancesquared >= Instance->m_rangesquaredmax))
|
||
{
|
||
return;
|
||
}
|
||
// crude way to reject early items too far to affect the output (mostly relevant for shadow passes)
|
||
auto const drawdistancethreshold{ m_renderpass.draw_range + 250 };
|
||
if( distancesquared > sq(drawdistancethreshold) ) {
|
||
return;
|
||
}
|
||
// second stage visibility cull, reject modelstoo far away to be noticeable
|
||
auto const radiussquared { Instance->radius() * Instance->radius() };
|
||
if( radiussquared * Global.ZoomFactor / distancesquared < 0.003 * 0.003 ) {
|
||
return;
|
||
}
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::pickscenery:
|
||
{
|
||
// add the node to the pick list
|
||
m_picksceneryitems.emplace_back(Instance);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
Instance->RaAnimate(m_framestamp); // jednorazowe przeliczenie animacji
|
||
Instance->RaPrepare();
|
||
if (Instance->pModel)
|
||
{
|
||
// per-instance uniform scale: applied between the rotation and the
|
||
// submodel-local transform chain. Pushing it on the matrix stack here
|
||
// means Render(TModel3d, ..., position, angle) doesn't need a new
|
||
// signature and the same scale flows naturally into Render_Alpha and
|
||
// any other recursive callers.
|
||
auto const &scale = Instance->Scale();
|
||
bool const scaled = ( scale.x != 1.0f || scale.y != 1.0f || scale.z != 1.0f );
|
||
if( scaled ) {
|
||
// Per-axis scale applied between rotation and the submodel-local
|
||
// chain: build the per-instance transform here so we can inject
|
||
// glScalef before the submodel walk.
|
||
::glPushMatrix();
|
||
auto const Position = Instance->location() - m_renderpass.pass_camera.position();
|
||
auto const Angle = Instance->vAngle;
|
||
::glTranslated( Position.x, Position.y, Position.z );
|
||
if( Angle.y != 0.0 ) ::glRotated( Angle.y, 0.f, 1.f, 0.f );
|
||
if( Angle.x != 0.0 ) ::glRotated( Angle.x, 1.f, 0.f, 0.f );
|
||
if( Angle.z != 0.0 ) ::glRotated( Angle.z, 0.f, 0.f, 1.f );
|
||
::glScalef( scale.x, scale.y, scale.z );
|
||
Render( Instance->pModel, Instance->Material(), distancesquared );
|
||
::glPopMatrix();
|
||
}
|
||
else {
|
||
// fast path for unscaled (the common case): existing behaviour
|
||
Render(Instance->pModel, Instance->Material(), distancesquared, Instance->location() - m_renderpass.pass_camera.position(), Instance->vAngle);
|
||
}
|
||
// debug data
|
||
++m_renderpass.draw_stats.models;
|
||
}
|
||
}
|
||
|
||
// True GPU-instanced render path for a group of TAnimModel instances sharing the same
|
||
// TModel3d. The submodel tree is walked ONCE per batch; at every submodel that draws
|
||
// geometry we issue a single glDrawElementsInstancedBaseVertex(N) covering all visible
|
||
// instances. The vertex shader multiplies effective_modelview = instance_modelview[gl_InstanceID]
|
||
// * model_ubs.modelview, where instance_modelview[i] is the camera-space root transform
|
||
// of instance i (precomputed below) and model_ubs.modelview is the submodel-local chain
|
||
// (accumulated by the matrix stack starting from identity, NOT the camera/instance frame).
|
||
//
|
||
// Batch size is capped at MAX_INSTANCES_PER_BATCH (256). Larger groups are split.
|
||
void opengl33_renderer::Render_Instanced( TModel3d *Model, std::vector<TAnimModel *> const &Instances )
|
||
{
|
||
if( Model == nullptr ) { return; }
|
||
if( Instances.empty() ) { return; }
|
||
|
||
// 1. Visibility / distance cull. Build parallel arrays of surviving
|
||
// instances and their precomputed camera-space root modelview matrices.
|
||
// m_instance_modelviews is a persistent member reused across every
|
||
// Render_Instanced() call: clear() drops the contents but keeps the
|
||
// allocated capacity, so after the first few frames this stops calling
|
||
// malloc/free entirely (the reserve() below becomes a no-op once the
|
||
// buffer has grown to the largest batch encountered).
|
||
m_instance_modelviews.clear();
|
||
m_instance_modelviews.reserve( Instances.size() );
|
||
|
||
// Pull the current pass camera/view transform once. We use the current GL
|
||
// modelview matrix as the view matrix because at the point Render_Instanced
|
||
// is called, OpenGLMatrices is set to the camera view (scene root) — no
|
||
// per-instance transform has been pushed yet.
|
||
glm::mat4 const view_matrix = OpenGLMatrices.data( GL_MODELVIEW );
|
||
|
||
bool prepared_shared_state = false; // RaPrepare() runs once per bucket
|
||
float closest_distancesquared = std::numeric_limits<float>::max();
|
||
material_data const *batch_material { nullptr };
|
||
|
||
for( auto *Instance : Instances ) {
|
||
if( Instance == nullptr ) { continue; }
|
||
if( false == Instance->m_visible ) { continue; }
|
||
if( false == m_renderpass.pass_camera.visible( Instance->m_area ) ) { continue; }
|
||
|
||
double distancesquared;
|
||
switch( m_renderpass.draw_mode ) {
|
||
case rendermode::shadows:
|
||
distancesquared = glm::length2( ( Instance->location() - m_renderpass.viewport_camera.position() ) / (double)Global.ZoomFactor ) / Global.fDistanceFactor;
|
||
break;
|
||
case rendermode::reflections:
|
||
distancesquared = glm::length2( ( Instance->location() - m_renderpass.pass_camera.position() ) );
|
||
if( distancesquared > Global.reflectiontune.range_instances * Global.reflectiontune.range_instances ) { continue; }
|
||
distancesquared += sq( EU07_REFLECTIONFIDELITYOFFSET );
|
||
break;
|
||
default:
|
||
distancesquared = glm::length2( ( Instance->location() - m_renderpass.pass_camera.position() ) / (double)Global.ZoomFactor ) / Global.fDistanceFactor;
|
||
break;
|
||
}
|
||
if( ( distancesquared < Instance->m_rangesquaredmin )
|
||
|| ( distancesquared >= Instance->m_rangesquaredmax ) ) { continue; }
|
||
|
||
auto const drawdistancethreshold { m_renderpass.draw_range + 250 };
|
||
if( distancesquared > sq( drawdistancethreshold ) ) { continue; }
|
||
|
||
auto const radiussquared { Instance->radius() * Instance->radius() };
|
||
if( radiussquared * Global.ZoomFactor / distancesquared < 0.003 * 0.003 ) { continue; }
|
||
|
||
if( !prepared_shared_state ) {
|
||
Instance->RaPrepare();
|
||
prepared_shared_state = true;
|
||
batch_material = Instance->Material();
|
||
}
|
||
Instance->m_framestamp = m_framestamp;
|
||
closest_distancesquared = std::min<float>( closest_distancesquared, static_cast<float>(distancesquared) );
|
||
|
||
// Build the camera-relative root modelview for this instance:
|
||
// mv = view * translate(instance_pos - camera_pos) * rotate(instance_angles) * scale(m_scale)
|
||
// The scale is folded in here so the GPU-instanced path produces visually
|
||
// identical output to the regular per-instance path: each instance gets
|
||
// its own (translate × rotate × scale) baked into instance_modelview[i],
|
||
// which the shader applies via effective_modelview = instance_mv * model_local.
|
||
glm::dvec3 const offset = Instance->location() - m_renderpass.pass_camera.position();
|
||
glm::mat4 mv = view_matrix;
|
||
mv = glm::translate( mv, glm::vec3( offset ) );
|
||
auto const &angle = Instance->vAngle;
|
||
if( angle.y != 0.0f ) { mv = glm::rotate( mv, glm::radians( angle.y ), glm::vec3( 0.f, 1.f, 0.f ) ); }
|
||
if( angle.x != 0.0f ) { mv = glm::rotate( mv, glm::radians( angle.x ), glm::vec3( 1.f, 0.f, 0.f ) ); }
|
||
if( angle.z != 0.0f ) { mv = glm::rotate( mv, glm::radians( angle.z ), glm::vec3( 0.f, 0.f, 1.f ) ); }
|
||
auto const &scale = Instance->Scale();
|
||
if( scale.x != 1.0f || scale.y != 1.0f || scale.z != 1.0f ) {
|
||
mv = glm::scale( mv, scale );
|
||
}
|
||
m_instance_modelviews.emplace_back( mv );
|
||
}
|
||
|
||
if( m_instance_modelviews.empty() ) { return; }
|
||
|
||
// 2. Walk the submodel tree once per sub-batch. The submodel-local matrix
|
||
// stack starts at identity; the per-instance camera transform comes from
|
||
// instance_modelview[gl_InstanceID] in the shader.
|
||
std::size_t const total = m_instance_modelviews.size();
|
||
std::size_t offset_idx = 0;
|
||
while( offset_idx < total ) {
|
||
std::size_t const this_batch = std::min<std::size_t>( total - offset_idx, gl::MAX_INSTANCES_PER_BATCH );
|
||
|
||
// 2a. Upload N modelviews to instance_ubo[0..N-1].
|
||
instance_ubo->update(
|
||
reinterpret_cast<uint8_t const *>( m_instance_modelviews.data() + offset_idx ),
|
||
0,
|
||
static_cast<int>( this_batch * sizeof( glm::mat4 ) ) );
|
||
|
||
// 2b. Push identity onto the matrix stack so submodel transforms
|
||
// accumulate from identity, not from camera/instance space.
|
||
::glPushMatrix();
|
||
::glLoadIdentity();
|
||
|
||
// 2c. Configure the existing TModel3d/TSubModel render path. Setting
|
||
// m_current_instance_count routes draw(handle) calls to draw_instanced.
|
||
m_current_instance_count = this_batch;
|
||
|
||
Model->Root->fSquareDist = closest_distancesquared; // shared global, used by submodel LOD
|
||
auto alpha = ( batch_material != nullptr ? batch_material->textures_alpha : 0x30300030 );
|
||
alpha ^= 0x0F0F000F;
|
||
Model->Root->ReplacableSet( ( batch_material != nullptr ? batch_material->replacable_skins : nullptr ), alpha );
|
||
Model->Root->pRoot = Model;
|
||
|
||
Render( Model->Root );
|
||
|
||
m_current_instance_count = 0;
|
||
|
||
::glPopMatrix();
|
||
|
||
// 2d. Restore instance_modelview[0] to identity so subsequent
|
||
// non-instanced draws continue to compute identity * modelview.
|
||
{
|
||
glm::mat4 const identity( 1.0f );
|
||
instance_ubo->update( reinterpret_cast<uint8_t const *>( &identity ), 0, sizeof( identity ) );
|
||
}
|
||
|
||
offset_idx += this_batch;
|
||
++m_renderpass.draw_stats.instanced_drawcalls;
|
||
}
|
||
|
||
m_renderpass.draw_stats.instances += static_cast<int>( total );
|
||
m_renderpass.draw_stats.models += static_cast<int>( total );
|
||
}
|
||
|
||
// Renders the per-track sleeper instances (TTrack::m_sleeper_local_transforms) using the
|
||
// existing GPU-instanced submodel pipeline. The track owns a vector of pre-baked
|
||
// local-space matrices; we compose each with `view * translate(track_origin - camera)`
|
||
// to get a camera-space modelview, then issue batched glDrawElementsInstancedBaseVertex
|
||
// calls -- one batch per MAX_INSTANCES_PER_BATCH sleepers.
|
||
//
|
||
// Skipped entirely when:
|
||
// - Global.SleeperDistance == 0 (sleeper rendering globally disabled)
|
||
// - the track has no sleepermodel
|
||
// - the track is farther than Global.SleeperDistance meters from the camera
|
||
void opengl33_renderer::Render_Sleepers( TTrack *Track )
|
||
{
|
||
if( Track == nullptr ) { return; }
|
||
if( false == Track->m_sleeper_enabled ) { return; }
|
||
if( Track->m_sleeper_model == nullptr ) { return; }
|
||
if( Track->m_sleeper_local_transforms.empty() ) { return; }
|
||
if( Global.SleeperDistance <= 0.f ) { return; }
|
||
|
||
// only the color and reflection passes draw sleepers; shadow/pick skip them on purpose
|
||
// (sleeper shadows would mostly fall back under the trackbed and pick already operates on
|
||
// the track itself).
|
||
switch( m_renderpass.draw_mode ) {
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
break;
|
||
default:
|
||
return;
|
||
}
|
||
|
||
// distance gate -- compare against Globals.SleeperDistance squared to avoid the sqrt
|
||
auto const camerapos = m_renderpass.pass_camera.position();
|
||
auto const trackpos = Track->location();
|
||
auto const distsq = glm::length2( trackpos - camerapos );
|
||
auto const cutoffsq = static_cast<double>( Global.SleeperDistance ) * static_cast<double>( Global.SleeperDistance );
|
||
if( distsq > cutoffsq ) { return; }
|
||
|
||
// build camera-space modelview matrices.
|
||
// each sleeper's stored matrix is in track-local space (relative to Track->m_origin).
|
||
// Render_Sleepers is called from inside the per-cell origin push -- the cell's center
|
||
// already equals Track->m_origin (see basic_cell::insert), so the current GL_MODELVIEW
|
||
// is already view * translate(m_origin - camera). We just need to compose with each
|
||
// per-sleeper local transform to get the final modelview.
|
||
glm::mat4 const origin_mv = OpenGLMatrices.data( GL_MODELVIEW );
|
||
|
||
// per-sleeper frustum cull + LOD selection. The whole-track SleeperDistance
|
||
// gate above keeps or drops the track as a unit; everything from here on
|
||
// operates on individual sleepers.
|
||
//
|
||
// Each m_sleeper_local_transforms entry is
|
||
// translate(world_pos - m_origin) * rotate(...) * translate(local_offset)
|
||
// so its translation column is the sleeper position relative to m_origin;
|
||
// adding m_origin back yields the sleeper's world-space position. The model's
|
||
// bounding radius (floored to a small minimum, in case it was never measured)
|
||
// serves both as the frustum test sphere and -- via the distance to that
|
||
// world position -- as the per-sleeper LOD distance.
|
||
auto const sleeperradius = std::max( Track->m_sleeper_model->bounding_radius(), 2.0f );
|
||
|
||
// Phase 1 -- frustum cull. For every sleeper that survives, store its
|
||
// camera-space modelview paired with the squared distance from the camera
|
||
// to ITS OWN world position (not the track / segment origin). That
|
||
// per-sleeper distance is what drives LOD selection below. A sleeper whose
|
||
// origin sits just off screen while its geometry still reaches into view is
|
||
// kept rather than wrongly culled.
|
||
std::vector<std::pair<float, glm::mat4>> survivors;
|
||
survivors.reserve( Track->m_sleeper_local_transforms.size() );
|
||
for( auto const &local : Track->m_sleeper_local_transforms ) {
|
||
glm::dvec3 const sleeperworldpos {
|
||
Track->m_origin + glm::dvec3( local[ 3 ].x, local[ 3 ].y, local[ 3 ].z ) };
|
||
if( false == m_renderpass.pass_camera.visible( scene::bounding_area{ sleeperworldpos, sleeperradius } ) ) {
|
||
continue;
|
||
}
|
||
auto const sleeperdistancesquared = static_cast<float>( glm::length2( sleeperworldpos - camerapos ) );
|
||
survivors.emplace_back( sleeperdistancesquared, origin_mv * local );
|
||
}
|
||
|
||
// every sleeper of this track was frustum-culled -- nothing left to draw
|
||
if( survivors.empty() ) { return; }
|
||
|
||
// Phase 2 -- sort survivors near-to-far. A submodel is drawn only while
|
||
// fSquareDist lies inside its [fSquareMinDist, fSquareMaxDist) range, so
|
||
// every distance between two consecutive range bounds selects an identical
|
||
// set of submodels -- i.e. the same LOD. Sorting turns each such LOD band
|
||
// into a contiguous run, letting the draw loop emit one instanced batch per
|
||
// band instead of one track-wide batch at a single distance.
|
||
std::sort( survivors.begin(), survivors.end(),
|
||
[]( std::pair<float, glm::mat4> const &Left, std::pair<float, glm::mat4> const &Right ) {
|
||
return Left.first < Right.first; } );
|
||
|
||
// contiguous copy of the sorted modelview matrices, for the UBO upload.
|
||
// Per-sleeper distances stay available as survivors[i].first, in lockstep.
|
||
std::vector<glm::mat4> instance_modelviews;
|
||
instance_modelviews.reserve( survivors.size() );
|
||
for( auto const &survivor : survivors ) {
|
||
instance_modelviews.emplace_back( survivor.second );
|
||
}
|
||
|
||
// collect the model's distinct LOD distance bounds. The sorted, de-duplicated
|
||
// set of every submodel's fSquareMinDist / fSquareMaxDist partitions distance
|
||
// into bands within which the selected LOD is constant. A model with no LOD
|
||
// yields a single band, and the draw loop below then behaves exactly like a
|
||
// single plain batched draw.
|
||
std::vector<float> lodbounds;
|
||
{
|
||
std::vector<TSubModel const *> pending;
|
||
if( Track->m_sleeper_model->Root != nullptr ) {
|
||
pending.push_back( Track->m_sleeper_model->Root );
|
||
}
|
||
while( false == pending.empty() ) {
|
||
auto const *submodel = pending.back();
|
||
pending.pop_back();
|
||
lodbounds.emplace_back( submodel->fSquareMinDist );
|
||
lodbounds.emplace_back( submodel->fSquareMaxDist );
|
||
if( submodel->Child != nullptr ) { pending.push_back( submodel->Child ); }
|
||
if( submodel->Next != nullptr ) { pending.push_back( submodel->Next ); }
|
||
}
|
||
}
|
||
std::sort( lodbounds.begin(), lodbounds.end() );
|
||
lodbounds.erase( std::unique( lodbounds.begin(), lodbounds.end() ), lodbounds.end() );
|
||
|
||
// optional replacable skin: build a transient material_data so we can drive ReplacableSet
|
||
// the same way Render_Instanced does. when no skin is set we fall back to the model defaults.
|
||
material_data sleeper_material {};
|
||
bool const has_skin = ( Track->m_sleeper_skin != null_handle );
|
||
if( has_skin ) {
|
||
sleeper_material.replacable_skins[ 1 ] = Track->m_sleeper_skin;
|
||
}
|
||
|
||
// Phase 3 -- draw. Walk the sorted survivors one LOD band at a time. Each
|
||
// band is submitted as one or more instanced draws (split only when it
|
||
// exceeds MAX_INSTANCES_PER_BATCH); every draw in the band uses an in-band
|
||
// fSquareDist, so each sleeper renders at the LOD its own distance selects
|
||
// while instancing stays fully in effect.
|
||
auto *Model = Track->m_sleeper_model;
|
||
std::size_t const total = instance_modelviews.size();
|
||
std::size_t band_start = 0;
|
||
while( band_start < total ) {
|
||
// the band ends at the first sleeper distance that reaches the next LOD
|
||
// bound above the band's starting distance.
|
||
auto const upperbound = std::upper_bound(
|
||
lodbounds.begin(), lodbounds.end(), survivors[ band_start ].first );
|
||
float const band_limit = ( upperbound == lodbounds.end()
|
||
? std::numeric_limits<float>::max()
|
||
: *upperbound );
|
||
std::size_t band_end = band_start;
|
||
while( ( band_end < total ) && ( survivors[ band_end ].first < band_limit ) ) {
|
||
++band_end;
|
||
}
|
||
// every distance in the band selects the same LOD; the band's nearest
|
||
// sleeper is used as the representative fSquareDist.
|
||
float const band_distancesquared = survivors[ band_start ].first;
|
||
|
||
std::size_t offset_idx = band_start;
|
||
while( offset_idx < band_end ) {
|
||
std::size_t const this_batch = std::min<std::size_t>( band_end - offset_idx, gl::MAX_INSTANCES_PER_BATCH );
|
||
|
||
instance_ubo->update(
|
||
reinterpret_cast<uint8_t const *>( instance_modelviews.data() + offset_idx ),
|
||
0,
|
||
static_cast<int>( this_batch * sizeof( glm::mat4 ) ) );
|
||
|
||
::glPushMatrix();
|
||
::glLoadIdentity();
|
||
|
||
m_current_instance_count = this_batch;
|
||
|
||
Model->Root->fSquareDist = band_distancesquared;
|
||
auto alpha = ( has_skin ? sleeper_material.textures_alpha : 0x30300030 );
|
||
alpha ^= 0x0F0F000F;
|
||
Model->Root->ReplacableSet( ( has_skin ? sleeper_material.replacable_skins : nullptr ), alpha );
|
||
Model->Root->pRoot = Model;
|
||
|
||
Render( Model->Root );
|
||
|
||
m_current_instance_count = 0;
|
||
|
||
::glPopMatrix();
|
||
|
||
// restore instance_modelview[0] to identity so subsequent non-instanced draws
|
||
// continue to compute identity * modelview (mirroring Render_Instanced).
|
||
{
|
||
glm::mat4 const identity( 1.0f );
|
||
instance_ubo->update( reinterpret_cast<uint8_t const *>( &identity ), 0, sizeof( identity ) );
|
||
}
|
||
|
||
offset_idx += this_batch;
|
||
++m_renderpass.draw_stats.instanced_drawcalls;
|
||
}
|
||
band_start = band_end;
|
||
}
|
||
|
||
m_renderpass.draw_stats.instances += static_cast<int>( total );
|
||
m_renderpass.draw_stats.models += static_cast<int>( total );
|
||
}
|
||
|
||
bool opengl33_renderer::Render(TDynamicObject *Dynamic)
|
||
{
|
||
glDebug("Render TDynamicObject");
|
||
|
||
if (!Global.render_cab && Global.pCamera.m_owner == Dynamic)
|
||
return false;
|
||
|
||
Dynamic->renderme = (
|
||
( Global.pCamera.m_owner == Dynamic && !FreeFlyModeFlag )
|
||
|| ( m_renderpass.pass_camera.visible( Dynamic ) ) );
|
||
|
||
if (false == Dynamic->renderme) { return false; }
|
||
|
||
// setup
|
||
TSubModel::iInstance = reinterpret_cast<std::uintptr_t>(Dynamic); //żeby nie robić cudzych animacji
|
||
glm::dvec3 const originoffset = Dynamic->vPosition - m_renderpass.pass_camera.position();
|
||
// lod visibility ranges are defined for base (x 1.0) viewing distance. for render we adjust them for actual range multiplier and zoom
|
||
float squaredistance;
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
{
|
||
squaredistance = glm::length2(glm::vec3{glm::dvec3{Dynamic->vPosition - m_renderpass.viewport_camera.position()}} / Global.ZoomFactor);
|
||
if( false == FreeFlyModeFlag ) {
|
||
// filter out small details if we're in vehicle cab
|
||
squaredistance = std::max( 100.f * 100.f, squaredistance );
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
{
|
||
// reflection mode draws simplified version of the shapes, by artificially increasing view range
|
||
// it also ignores zoom settings and distance multipliers
|
||
squaredistance =
|
||
std::max(
|
||
100.f * 100.f,
|
||
// TBD: take into account distance multipliers?
|
||
glm::length2( glm::vec3{ originoffset } ) /* / Global.fDistanceFactor */ );
|
||
// NOTE: arbitrary draw range limit
|
||
if( squaredistance > Global.reflectiontune.range_vehicles * Global.reflectiontune.range_vehicles ) {
|
||
return false;
|
||
}
|
||
// TBD, TODO: bind offset value with setting variable?
|
||
// NOTE: combined 'squared' distance doesn't equal actual squared (distance + offset) but, eh
|
||
squaredistance += sq(EU07_REFLECTIONFIDELITYOFFSET);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
squaredistance = glm::length2(glm::vec3{originoffset} / Global.ZoomFactor);
|
||
// TODO: filter out small details based on fidelity setting
|
||
break;
|
||
}
|
||
}
|
||
// crude way to reject early items too far to affect the output (mostly relevant for shadow and reflection passes)
|
||
auto const drawdistancethreshold{ m_renderpass.draw_range + 250 };
|
||
if( squaredistance > sq(drawdistancethreshold) ) {
|
||
return false;
|
||
}
|
||
// second stage visibility cull, reject vehicles too far away to be noticeable
|
||
auto const squareradius{ Dynamic->radius() * Dynamic->radius() };
|
||
Dynamic->renderme = ( squareradius * Global.ZoomFactor / squaredistance > 0.003 * 0.003 );
|
||
if( false == Dynamic->renderme ) {
|
||
return false;
|
||
}
|
||
|
||
// debug data
|
||
++m_renderpass.draw_stats.dynamics;
|
||
|
||
Dynamic->ABuLittleUpdate(squaredistance); // ustawianie zmiennych submodeli dla wspólnego modelu
|
||
|
||
glm::mat4 future_stack = model_ubs.future;
|
||
|
||
glm::mat4 mv = OpenGLMatrices.data(GL_MODELVIEW);
|
||
model_ubs.future *= glm::translate(mv, glm::vec3(Dynamic->get_future_movement())) * glm::inverse(mv);
|
||
|
||
::glPushMatrix();
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
::glMultMatrixd(glm::value_ptr(Dynamic->mMatrix));
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
{
|
||
if (Dynamic->fShade > 0.0f)
|
||
{
|
||
// change light level based on light level of the occupied track
|
||
setup_sunlight_intensity(Dynamic->fShade);
|
||
}
|
||
|
||
// render
|
||
if( Dynamic->mdLowPolyInt ) {
|
||
// low poly interior
|
||
Render_lowpoly( Dynamic, squaredistance, false );
|
||
}
|
||
else {
|
||
// HACK: if the model lacks low poly interior, we presume the load is placed outside
|
||
if( Dynamic->mdLoad ) {
|
||
// renderowanie nieprzezroczystego ładunku
|
||
Render( Dynamic->mdLoad, Dynamic->Material(), squaredistance, { 0.f, Dynamic->LoadOffset, 0.f }, {} );
|
||
}
|
||
}
|
||
if( Dynamic->mdModel ) {
|
||
// main model
|
||
Render( Dynamic->mdModel, Dynamic->Material(), squaredistance );
|
||
}
|
||
// optional attached models
|
||
for( auto *attachment : Dynamic->mdAttachments ) {
|
||
Render( attachment, Dynamic->Material(), squaredistance );
|
||
}
|
||
// optional coupling adapters
|
||
Render_coupler_adapter( Dynamic, squaredistance, end::front );
|
||
Render_coupler_adapter( Dynamic, squaredistance, end::rear );
|
||
|
||
// post-render cleanup
|
||
if (Dynamic->fShade > 0.0f)
|
||
{
|
||
// restore regular light level
|
||
setup_sunlight_intensity();
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
if( Dynamic->mdLowPolyInt ) {
|
||
// low poly interior
|
||
Render( Dynamic->mdLowPolyInt, Dynamic->Material(), squaredistance );
|
||
}
|
||
if( Dynamic->mdModel ) {
|
||
// main model
|
||
Render( Dynamic->mdModel, Dynamic->Material(), squaredistance );
|
||
}
|
||
// optional attached models
|
||
for( auto *attachment : Dynamic->mdAttachments ) {
|
||
Render( attachment, Dynamic->Material(), squaredistance );
|
||
}
|
||
// optional coupling adapters
|
||
Render_coupler_adapter( Dynamic, squaredistance, end::front );
|
||
Render_coupler_adapter( Dynamic, squaredistance, end::rear );
|
||
if( Dynamic->mdLoad ) {
|
||
// renderowanie nieprzezroczystego ładunku
|
||
Render( Dynamic->mdLoad, Dynamic->Material(), squaredistance, { 0.f, Dynamic->LoadOffset, 0.f }, {} );
|
||
}
|
||
// post-render cleanup
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
{
|
||
if (Dynamic->mdLowPolyInt) {
|
||
// low poly interior
|
||
Render(Dynamic->mdLowPolyInt, Dynamic->Material(), squaredistance);
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::pickscenery:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
::glPopMatrix();
|
||
|
||
model_ubs.future = future_stack;
|
||
|
||
// TODO: check if this reset is needed. In theory each object should render all parts based on its own instance data anyway?
|
||
if (Dynamic->btnOn)
|
||
Dynamic->TurnOff(); // przywrócenie domyślnych pozycji submodeli
|
||
|
||
return true;
|
||
}
|
||
|
||
// rendering kabiny gdy jest oddzielnym modelem i ma byc wyswietlana
|
||
bool opengl33_renderer::Render_cab(TDynamicObject const *Dynamic, float const Lightlevel, bool const Alpha)
|
||
{
|
||
|
||
if (Dynamic == nullptr)
|
||
{
|
||
|
||
TSubModel::iInstance = 0;
|
||
return false;
|
||
}
|
||
|
||
TSubModel::iInstance = reinterpret_cast<std::uintptr_t>(Dynamic);
|
||
|
||
if ((true == FreeFlyModeFlag) || (false == Dynamic->bDisplayCab) || (Dynamic->mdKabina == Dynamic->mdModel))
|
||
{
|
||
// ABu: Rendering kabiny jako ostatniej, zeby bylo widac przez szyby, tylko w widoku ze srodka
|
||
return false;
|
||
}
|
||
|
||
if (Dynamic->mdKabina)
|
||
{ // bo mogła zniknąć przy przechodzeniu do innego pojazdu
|
||
// setup shared by all render paths
|
||
::glPushMatrix();
|
||
|
||
auto const originoffset = Dynamic->GetPosition() - m_renderpass.pass_camera.position();
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
::glMultMatrixd(glm::value_ptr(Dynamic->mMatrix));
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
{
|
||
// render path specific setup:
|
||
if (Dynamic->fShade > 0.0f)
|
||
{
|
||
// change light level based on light level of the occupied track
|
||
setup_sunlight_intensity(Dynamic->fShade);
|
||
}
|
||
|
||
auto const old_ambient { light_ubs.ambient };
|
||
auto const luminance { Global.fLuminance * ( Dynamic->fShade > 0.0f ? Dynamic->fShade : 1.0f ) };
|
||
if( Lightlevel > 0.f ) {
|
||
// crude way to light the cabin, until we have something more complete in place
|
||
light_ubs.ambient += packed_vec3( ( Dynamic->InteriorLight * Lightlevel ) * std::clamp( 1.25f - (float)luminance, 0.f, 1.f ) );
|
||
light_ubo->update( light_ubs );
|
||
}
|
||
|
||
// render
|
||
if (true == Alpha)
|
||
{
|
||
// translucent parts
|
||
Render_Alpha(Dynamic->mdKabina, Dynamic->Material(), 0.0);
|
||
}
|
||
else
|
||
{
|
||
// opaque parts
|
||
Render(Dynamic->mdKabina, Dynamic->Material(), 0.0);
|
||
}
|
||
// post-render restore
|
||
light_ubs.ambient = old_ambient;
|
||
setup_sunlight_intensity();
|
||
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
if( true == Alpha ) {
|
||
// translucent parts
|
||
Render_Alpha( Dynamic->mdKabina, Dynamic->Material(), 0.0 );
|
||
}
|
||
else {
|
||
// opaque parts
|
||
Render( Dynamic->mdKabina, Dynamic->Material(), 0.0 );
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
{
|
||
Render(Dynamic->mdKabina, Dynamic->Material(), 0.0);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
// post-render restore
|
||
::glPopMatrix();
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
bool opengl33_renderer::Render(TModel3d *Model, material_data const *Material, float const Squaredistance)
|
||
{
|
||
|
||
auto alpha = (Material != nullptr ? Material->textures_alpha : 0x30300030);
|
||
alpha ^= 0x0F0F000F; // odwrócenie flag tekstur, aby wyłapać nieprzezroczyste
|
||
if (0 == (alpha & Model->iFlags & 0x1F1F001F))
|
||
{
|
||
// czy w ogóle jest co robić w tym cyklu?
|
||
return false;
|
||
}
|
||
|
||
Model->Root->fSquareDist = Squaredistance; // zmienna globalna!
|
||
|
||
// setup
|
||
Model->Root->ReplacableSet((Material != nullptr ? Material->replacable_skins : nullptr), alpha);
|
||
|
||
Model->Root->pRoot = Model;
|
||
|
||
// render
|
||
Render(Model->Root);
|
||
|
||
// post-render cleanup
|
||
|
||
return true;
|
||
}
|
||
|
||
bool opengl33_renderer::Render(TModel3d *Model, material_data const *Material, float const Squaredistance, glm::dvec3 const &Position, glm::vec3 const &Angle)
|
||
{
|
||
::glPushMatrix();
|
||
::glTranslated(Position.x, Position.y, Position.z);
|
||
if (Angle.y != 0.0)
|
||
::glRotated(Angle.y, 0.f, 1.f, 0.f);
|
||
if (Angle.x != 0.0)
|
||
::glRotated(Angle.x, 1.f, 0.f, 0.f);
|
||
if (Angle.z != 0.0)
|
||
::glRotated(Angle.z, 0.f, 0.f, 1.f);
|
||
|
||
auto const result = Render(Model, Material, Squaredistance);
|
||
|
||
::glPopMatrix();
|
||
|
||
return result;
|
||
}
|
||
|
||
void opengl33_renderer::Render(TSubModel *Submodel)
|
||
{
|
||
glDebug("Render TSubModel");
|
||
|
||
if ((Submodel->iVisible) && (TSubModel::fSquareDist >= Submodel->fSquareMinDist) && (TSubModel::fSquareDist < Submodel->fSquareMaxDist))
|
||
{
|
||
glm::mat4 future_stack = model_ubs.future;
|
||
|
||
if (Submodel->iFlags & 0xC000)
|
||
{
|
||
::glPushMatrix();
|
||
if (Submodel->fMatrix)
|
||
::glMultMatrixf(Submodel->fMatrix->readArray());
|
||
if (Submodel->b_aAnim != TAnimType::at_None)
|
||
{
|
||
Submodel->RaAnimation(Submodel->b_aAnim);
|
||
|
||
glm::mat4 mv = OpenGLMatrices.data(GL_MODELVIEW);
|
||
model_ubs.future *= (mv * Submodel->future_transform) * glm::inverse(mv);
|
||
}
|
||
}
|
||
|
||
if (Submodel->eType < TP_ROTATOR)
|
||
{
|
||
// renderowanie obiektów OpenGL
|
||
if (Submodel->iAlpha & Submodel->iFlags & 0x1F)
|
||
{
|
||
// rysuj gdy element nieprzezroczysty
|
||
|
||
// debug data
|
||
++m_renderpass.draw_stats.submodels;
|
||
++m_renderpass.draw_stats.drawcalls;
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
{
|
||
// material configuration:
|
||
// transparency hack
|
||
if (Submodel->fVisible < 1.0f)
|
||
setup_drawing(true);
|
||
|
||
// textures...
|
||
if (Submodel->m_material < 0)
|
||
{ // zmienialne skóry
|
||
Bind_Material(Submodel->ReplacableSkinId[-Submodel->m_material], Submodel);
|
||
}
|
||
else
|
||
{
|
||
// również 0
|
||
Bind_Material(Submodel->m_material, Submodel);
|
||
}
|
||
|
||
// ...luminance
|
||
auto const isemissive { ( Submodel->f4Emision.a > 0.f ) && ( Global.fLuminance < Submodel->fLight ) };
|
||
if (isemissive)
|
||
model_ubs.emission = Submodel->f4Emision.a;
|
||
|
||
// main draw call
|
||
draw(Submodel->m_geometry.handle);
|
||
|
||
// post-draw reset
|
||
model_ubs.emission = 0.0f;
|
||
if (Submodel->fVisible < 1.0f)
|
||
setup_drawing(false);
|
||
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
// skip if the shadow caster rank is too low for currently set threshold
|
||
if( Material( Submodel ).shadow_rank > Global.gfx_shadow_rank_cutoff )
|
||
{
|
||
--m_renderpass.draw_stats.submodels;
|
||
--m_renderpass.draw_stats.drawcalls;
|
||
break;
|
||
}
|
||
|
||
if (Submodel->m_material < 0)
|
||
{ // zmienialne skóry
|
||
Bind_Material_Shadow(Submodel->ReplacableSkinId[-Submodel->m_material]);
|
||
}
|
||
else
|
||
{
|
||
// również 0
|
||
Bind_Material_Shadow(Submodel->m_material);
|
||
}
|
||
draw(Submodel->m_geometry.handle);
|
||
break;
|
||
}
|
||
case rendermode::pickscenery:
|
||
{
|
||
m_pick_shader->bind();
|
||
draw(Submodel->m_geometry.handle);
|
||
break;
|
||
}
|
||
case rendermode::pickcontrols:
|
||
{
|
||
if (Submodel->screen_touch_list) {
|
||
// touch screen gradient
|
||
m_pick_surface_shader->bind();
|
||
model_ubs.param[0] = glm::vec4(1.0f - m_picksurfaceitems.size() / 255.0f, 0.0f, 0.0f, 1.0f);
|
||
m_picksurfaceitems.emplace_back(Submodel);
|
||
}
|
||
else {
|
||
// control picking applies individual colour for each submodel
|
||
m_pick_shader->bind();
|
||
m_pickcontrolsitems.emplace_back(Submodel);
|
||
model_ubs.param[0] = glm::vec4(pick_color(m_pickcontrolsitems.size()), 1.0f);
|
||
}
|
||
|
||
draw(Submodel->m_geometry.handle);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (Submodel->eType == TP_STARS)
|
||
{
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
// colour points are only rendered in colour mode(s)
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
{
|
||
if (Global.fLuminance < Submodel->fLight)
|
||
{
|
||
Bind_Material(Submodel->m_material, Submodel);
|
||
|
||
// main draw call
|
||
model_ubs.param[1].x = 8.0f;
|
||
|
||
draw(Submodel->m_geometry.handle);
|
||
}
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
if (Submodel->Child != nullptr)
|
||
if (Submodel->iAlpha & Submodel->iFlags & 0x001F0000)
|
||
Render(Submodel->Child);
|
||
|
||
if (Submodel->iFlags & 0xC000)
|
||
{
|
||
model_ubs.future = future_stack;
|
||
::glPopMatrix();
|
||
}
|
||
}
|
||
/*
|
||
if( Submodel->b_Anim < at_SecondsJump )
|
||
Submodel->b_Anim = at_None; // wyłączenie animacji dla kolejnego użycia subm
|
||
*/
|
||
if (Submodel->Next)
|
||
if (Submodel->iAlpha & Submodel->iFlags & 0x1F000000)
|
||
Render(Submodel->Next); // dalsze rekurencyjnie
|
||
}
|
||
|
||
void opengl33_renderer::Render(TTrack *Track)
|
||
{
|
||
if ((Track->m_material1 == 0) && (Track->m_material2 == 0) && (Track->eType != tt_Switch || Track->SwitchExtension->m_material3 == 0))
|
||
{
|
||
return;
|
||
}
|
||
if (false == Track->m_visible)
|
||
{
|
||
return;
|
||
}
|
||
|
||
++m_renderpass.draw_stats.paths;
|
||
++m_renderpass.draw_stats.drawcalls;
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
// single path pieces are rendererd in pick scenery mode only
|
||
case rendermode::pickscenery:
|
||
{
|
||
m_pick_shader->bind();
|
||
m_picksceneryitems.emplace_back( Track );
|
||
|
||
draw(std::begin(Track->Geometry1), std::end(Track->Geometry1));
|
||
draw(std::begin(Track->Geometry2), std::end(Track->Geometry2));
|
||
if (Track->eType == tt_Switch)
|
||
draw(Track->SwitchExtension->Geometry3);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// experimental, does track rendering in two passes, to take advantage of reduced texture switching
|
||
void opengl33_renderer::Render(scene::basic_cell::path_sequence::const_iterator First, scene::basic_cell::path_sequence::const_iterator Last)
|
||
{
|
||
|
||
// setup
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
{
|
||
// NOTE: roads-based platforms tend to miss parts of shadows if rendered with either back or front culling
|
||
glDisable(GL_CULL_FACE);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
// TODO: render auto generated trackbeds together with regular trackbeds in pass 1, and all rails in pass 2
|
||
// first pass, material 1
|
||
for (auto first{First}; first != Last; ++first)
|
||
{
|
||
|
||
auto const track{*first};
|
||
|
||
if (track->m_material1 == 0)
|
||
{
|
||
continue;
|
||
}
|
||
if (false == track->m_visible)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
++m_renderpass.draw_stats.paths;
|
||
++m_renderpass.draw_stats.drawcalls;
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
{
|
||
if (track->eEnvironment != e_flat)
|
||
{
|
||
setup_environment_light(track->eEnvironment);
|
||
}
|
||
Bind_Material(track->m_material1);
|
||
draw(std::begin(track->Geometry1), std::end(track->Geometry1));
|
||
if (track->eEnvironment != e_flat)
|
||
{
|
||
// restore default lighting
|
||
setup_environment_light();
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
if ((std::abs(track->fTexHeight1) < 0.35f) || (track->iCategoryFlag != 2))
|
||
{
|
||
// shadows are only calculated for high enough roads, typically meaning track platforms
|
||
continue;
|
||
}
|
||
if( Material( track->m_material1 ).shadow_rank > Global.gfx_shadow_rank_cutoff ) {
|
||
// skip if the shadow caster rank is too low for currently set threshold
|
||
continue;
|
||
}
|
||
Bind_Material_Shadow(track->m_material1);
|
||
draw(std::begin(track->Geometry1), std::end(track->Geometry1));
|
||
break;
|
||
}
|
||
case rendermode::pickscenery: // pick scenery mode uses piece-by-piece approach
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
// second pass, material 2
|
||
for (auto first{First}; first != Last; ++first)
|
||
{
|
||
auto const track{*first};
|
||
|
||
if (track->m_material2 == 0)
|
||
{
|
||
continue;
|
||
}
|
||
if (false == track->m_visible)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
{
|
||
if (track->eEnvironment != e_flat)
|
||
{
|
||
setup_environment_light(track->eEnvironment);
|
||
}
|
||
Bind_Material(track->m_material2);
|
||
draw(std::begin(track->Geometry2), std::end(track->Geometry2));
|
||
if (track->eEnvironment != e_flat)
|
||
{
|
||
// restore default lighting
|
||
setup_environment_light();
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
if ((std::abs(track->fTexHeight1) < 0.35f) || ((track->iCategoryFlag == 1) && (track->eType != tt_Normal)))
|
||
{
|
||
// shadows are only calculated for high enough trackbeds
|
||
continue;
|
||
}
|
||
if( Material( track->m_material2 ).shadow_rank > Global.gfx_shadow_rank_cutoff ) {
|
||
// skip if the shadow caster rank is too low for currently set threshold
|
||
continue;
|
||
}
|
||
Bind_Material_Shadow(track->m_material2);
|
||
draw(std::begin(track->Geometry2), std::end(track->Geometry2));
|
||
break;
|
||
}
|
||
case rendermode::pickscenery: // pick scenery mode uses piece-by-piece approach
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// third pass, material 3
|
||
for (auto first{First}; first != Last; ++first)
|
||
{
|
||
|
||
auto const track{*first};
|
||
|
||
if (track->eType != tt_Switch)
|
||
{
|
||
continue;
|
||
}
|
||
if (track->SwitchExtension->m_material3 == 0)
|
||
{
|
||
continue;
|
||
}
|
||
if (false == track->m_visible)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
case rendermode::reflections:
|
||
{
|
||
if (track->eEnvironment != e_flat)
|
||
{
|
||
setup_environment_light(track->eEnvironment);
|
||
}
|
||
Bind_Material(track->SwitchExtension->m_material3);
|
||
draw(track->SwitchExtension->Geometry3);
|
||
if (track->eEnvironment != e_flat)
|
||
{
|
||
// restore default lighting
|
||
setup_environment_light();
|
||
}
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
if ((std::abs(track->fTexHeight1) < 0.35f) || ((track->iCategoryFlag == 1) && (track->eType != tt_Normal)))
|
||
{
|
||
// shadows are only calculated for high enough trackbeds
|
||
continue;
|
||
}
|
||
if( Material( track->m_material2 ).shadow_rank > Global.gfx_shadow_rank_cutoff ) {
|
||
// skip if the shadow caster rank is too low for currently set threshold
|
||
continue;
|
||
}
|
||
Bind_Material_Shadow(track->SwitchExtension->m_material3);
|
||
draw(track->SwitchExtension->Geometry3);
|
||
break;
|
||
}
|
||
case rendermode::pickscenery: // pick scenery mode uses piece-by-piece approach
|
||
case rendermode::pickcontrols:
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// fourth pass: per-track sleeper models (sleepermodel optional directive).
|
||
// drawn after rails/trackbeds so depth pre-pass culling is favourable, and only in passes
|
||
// where Render_Sleepers actually does work (it gates itself on draw mode / distance).
|
||
switch( m_renderpass.draw_mode ) {
|
||
case rendermode::color:
|
||
case rendermode::reflections: {
|
||
for( auto first { First }; first != Last; ++first ) {
|
||
auto *track = *first;
|
||
if( false == track->m_visible ) { continue; }
|
||
if( false == track->m_sleeper_enabled ) { continue; }
|
||
Render_Sleepers( track );
|
||
}
|
||
break;
|
||
}
|
||
default:
|
||
break;
|
||
}
|
||
|
||
// post-render reset
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
{
|
||
// restore standard face cull mode
|
||
::glEnable(GL_CULL_FACE);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::Render(TMemCell *Memcell)
|
||
{
|
||
|
||
::glPushMatrix();
|
||
auto const position = Memcell->location() - m_renderpass.pass_camera.position();
|
||
::glTranslated(position.x, position.y + 0.5, position.z);
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
{
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
case rendermode::pickscenery:
|
||
{
|
||
break;
|
||
}
|
||
case rendermode::reflections:
|
||
case rendermode::pickcontrols:
|
||
{
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
::glPopMatrix();
|
||
}
|
||
|
||
void opengl33_renderer::Render_particles()
|
||
{
|
||
model_ubs.set_modelview(OpenGLMatrices.data(GL_MODELVIEW));
|
||
model_ubo->update(model_ubs);
|
||
|
||
Bind_Texture(0, m_smoketexture);
|
||
m_particlerenderer.update(m_renderpass.pass_camera);
|
||
m_renderpass.draw_stats.particles = m_particlerenderer.render();
|
||
}
|
||
|
||
void opengl33_renderer::Render_vr_models()
|
||
{
|
||
if (!vr)
|
||
return;
|
||
|
||
glDebug("Render_vr_models");
|
||
|
||
::glPushMatrix();
|
||
glm::dmat4 tmpmat;
|
||
Global.pCamera.SetMatrix(tmpmat);
|
||
tmpmat = glm::dmat3(tmpmat);
|
||
glMultMatrixd(glm::value_ptr(glm::inverse(tmpmat)));
|
||
std::vector<TModel3d*> list = vr->get_render_models();
|
||
material_data data;
|
||
for (TModel3d *mdl : list)
|
||
Render(mdl, &data, 0.0);
|
||
::glPopMatrix();
|
||
}
|
||
|
||
void opengl33_renderer::Render_precipitation()
|
||
{
|
||
if (Global.Overcast <= 1.f)
|
||
{
|
||
return;
|
||
}
|
||
|
||
::glPushMatrix();
|
||
// tilt the precipitation cone against the velocity vector for crude motion blur
|
||
// include current wind vector while at it
|
||
auto const velocity {
|
||
simulation::Environment.m_precipitation.m_cameramove * -1.0
|
||
+ glm::dvec3{ simulation::Environment.wind() } * 0.5 };
|
||
if (glm::length2(velocity) > 0.0)
|
||
{
|
||
auto const forward{glm::normalize(velocity)};
|
||
auto left{glm::cross(forward, {0.0, 1.0, 0.0})};
|
||
auto const rotationangle{std::min(45.0, ((FreeFlyModeFlag || simulation::Train == nullptr) ?
|
||
5 * glm::length(velocity) : simulation::Train->Dynamic()->GetVelocity() * 0.2))};
|
||
::glRotated(rotationangle, left.x, 0.0, left.z);
|
||
}
|
||
if (false == FreeFlyModeFlag)
|
||
{
|
||
// counter potential vehicle roll
|
||
auto const roll{0.5 * glm::degrees(simulation::Train->Dynamic()->Roll())};
|
||
if (roll != 0.0)
|
||
{
|
||
auto const forward{simulation::Train->Dynamic()->VectorFront()};
|
||
auto const vehicledirection = simulation::Train->Dynamic()->DirectionGet();
|
||
::glRotated(roll, forward.x, 0.0, forward.z);
|
||
}
|
||
}
|
||
if (!Global.iPause)
|
||
{
|
||
if (Global.Weather == "rain:")
|
||
// oddly enough random streaks produce more natural looking rain than ones the eye can follow
|
||
m_precipitationrotation = LocalRandom() * 360;
|
||
else
|
||
m_precipitationrotation = 0.0;
|
||
}
|
||
|
||
::glRotated(m_precipitationrotation, 0.0, 1.0, 0.0);
|
||
|
||
model_ubs.set_modelview(OpenGLMatrices.data(GL_MODELVIEW));
|
||
model_ubs.param[0] = glm::mix(0.5f * (Global.DayLight.diffuse + Global.DayLight.ambient), colors::white, 0.5f * std::clamp((float)Global.fLuminance, 0.f, 1.f));
|
||
model_ubs.param[1].x = simulation::Environment.m_precipitation.get_textureoffset();
|
||
model_ubo->update(model_ubs);
|
||
|
||
m_precipitationrenderer.update();
|
||
m_precipitationrenderer.render();
|
||
|
||
::glPopMatrix();
|
||
}
|
||
|
||
void opengl33_renderer::Render_Alpha(scene::basic_region *Region)
|
||
{
|
||
|
||
// sort the nodes based on their distance to viewer
|
||
std::sort(std::begin(m_cellqueue), std::end(m_cellqueue), [](distancecell_pair const &Left, distancecell_pair const &Right) { return (Left.first) < (Right.first); });
|
||
|
||
Render_Alpha(std::rbegin(m_cellqueue), std::rend(m_cellqueue));
|
||
}
|
||
|
||
void opengl33_renderer::Render_Alpha(cell_sequence::reverse_iterator First, cell_sequence::reverse_iterator Last)
|
||
{
|
||
|
||
// NOTE: this method is launched only during color pass therefore we don't bother with mode test here
|
||
// first pass draws elements which we know are located in section banks, to reduce vbo switching
|
||
{
|
||
auto first{First};
|
||
while (first != Last)
|
||
{
|
||
|
||
auto const *cell = first->second;
|
||
|
||
if (false == cell->m_shapestranslucent.empty())
|
||
{
|
||
// since all shapes of the cell share center point we can optimize out a few calls here
|
||
::glPushMatrix();
|
||
auto const originoffset{cell->m_area.center - m_renderpass.pass_camera.position()};
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
// render
|
||
// NOTE: we can reuse the method used to draw opaque geometry
|
||
for (auto const &shape : cell->m_shapestranslucent)
|
||
{
|
||
Render(shape, false);
|
||
}
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
}
|
||
|
||
++first;
|
||
}
|
||
}
|
||
// second pass draws elements with their own vbos
|
||
{
|
||
auto first{First};
|
||
while (first != Last)
|
||
{
|
||
|
||
auto const *cell = first->second;
|
||
|
||
// translucent parts of instanced models
|
||
for (auto *instance : cell->m_instancetranslucent)
|
||
{
|
||
Render_Alpha(instance);
|
||
}
|
||
// translucent parts of vehicles
|
||
for (auto *path : cell->m_paths)
|
||
{
|
||
for (auto *dynamic : path->Dynamics)
|
||
{
|
||
Render_Alpha(dynamic);
|
||
}
|
||
}
|
||
|
||
++first;
|
||
}
|
||
}
|
||
// third pass draws the wires;
|
||
// wires use section vbos, but for the time being we want to draw them at the very end
|
||
{
|
||
auto first{First};
|
||
while (first != Last)
|
||
{
|
||
|
||
auto const *cell = first->second;
|
||
|
||
if ((false == cell->m_traction.empty() || (false == cell->m_lines.empty())))
|
||
{
|
||
// since all shapes of the cell share center point we can optimize out a few calls here
|
||
::glPushMatrix();
|
||
auto const originoffset{cell->m_area.center - m_renderpass.pass_camera.position()};
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
Bind_Material(null_handle);
|
||
// render
|
||
for (auto *traction : cell->m_traction)
|
||
{
|
||
Render_Alpha(traction);
|
||
}
|
||
for (auto &lines : cell->m_lines)
|
||
{
|
||
Render_Alpha(lines);
|
||
}
|
||
// post-render cleanup
|
||
::glPopMatrix();
|
||
}
|
||
|
||
++first;
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::Render_Alpha(TAnimModel *Instance)
|
||
{
|
||
|
||
if (false == Instance->m_visible) { return; }
|
||
if( false == m_renderpass.pass_camera.visible( Instance->m_area ) ) { return; }
|
||
|
||
double distancesquared;
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
{
|
||
// 'camera' for the light pass is the light source, but we need to draw what the 'real' camera sees
|
||
distancesquared = glm::length2((Instance->location() - m_renderpass.viewport_camera.position()) / (double)Global.ZoomFactor) / Global.fDistanceFactor;
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
distancesquared = glm::length2((Instance->location() - m_renderpass.pass_camera.position()) / (double)Global.ZoomFactor) / Global.fDistanceFactor;
|
||
break;
|
||
}
|
||
}
|
||
if ((distancesquared < Instance->m_rangesquaredmin) || (distancesquared >= Instance->m_rangesquaredmax))
|
||
{
|
||
return;
|
||
}
|
||
// crude way to reject early items too far to affect the output (mostly relevant for shadow passes)
|
||
auto const drawdistancethreshold{ m_renderpass.draw_range + 250 };
|
||
if( distancesquared > sq(drawdistancethreshold) ) {
|
||
return;
|
||
}
|
||
// second stage visibility cull, reject modelstoo far away to be noticeable
|
||
auto const radiussquared { Instance->radius() * Instance->radius() };
|
||
if( radiussquared * Global.ZoomFactor / distancesquared < 0.003 * 0.003 ) {
|
||
return;
|
||
}
|
||
|
||
Instance->RaPrepare();
|
||
if (Instance->pModel)
|
||
{
|
||
auto const &scale = Instance->Scale();
|
||
bool const scaled = ( scale.x != 1.0f || scale.y != 1.0f || scale.z != 1.0f );
|
||
if( scaled ) {
|
||
// scaled instance: build the per-instance transform locally and call
|
||
// the distance-only Render_Alpha so we can inject glScalef before
|
||
// the submodel walk. Mirror of the opaque path in Render(TAnimModel*).
|
||
::glPushMatrix();
|
||
auto const Position = Instance->location() - m_renderpass.pass_camera.position();
|
||
auto const Angle = Instance->vAngle;
|
||
::glTranslated( Position.x, Position.y, Position.z );
|
||
if( Angle.y != 0.0 ) ::glRotated( Angle.y, 0.f, 1.f, 0.f );
|
||
if( Angle.x != 0.0 ) ::glRotated( Angle.x, 1.f, 0.f, 0.f );
|
||
if( Angle.z != 0.0 ) ::glRotated( Angle.z, 0.f, 0.f, 1.f );
|
||
::glScalef( scale.x, scale.y, scale.z );
|
||
Render_Alpha( Instance->pModel, Instance->Material(), distancesquared );
|
||
::glPopMatrix();
|
||
}
|
||
else {
|
||
Render_Alpha(Instance->pModel, Instance->Material(), distancesquared, Instance->location() - m_renderpass.pass_camera.position(), Instance->vAngle);
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::Render_Alpha(TTraction *Traction)
|
||
{
|
||
glDebug("Render_Alpha TTraction");
|
||
|
||
auto const distancesquared { glm::length2( ( Traction->location() - m_renderpass.pass_camera.position() ) / (double)Global.ZoomFactor ) / Global.fDistanceFactor };
|
||
if ((distancesquared < Traction->m_rangesquaredmin) || (distancesquared >= Traction->m_rangesquaredmax))
|
||
{
|
||
return;
|
||
}
|
||
|
||
if (false == Traction->m_visible)
|
||
{
|
||
return;
|
||
}
|
||
// rysuj jesli sa druty i nie zerwana
|
||
if ((Traction->Wires == 0) || (true == TestFlag(Traction->DamageFlag, 128)))
|
||
{
|
||
return;
|
||
}
|
||
// setup
|
||
auto const distance{static_cast<float>(std::sqrt(distancesquared))};
|
||
auto const linealpha = 20.f * Traction->WireThickness / std::max(0.5f * Traction->radius() + 1.f, distance - (0.5f * Traction->radius()));
|
||
if (m_widelines_supported)
|
||
glLineWidth(std::clamp(0.5f * linealpha + Traction->WireThickness * Traction->radius() / 1000.f, 1.f, 1.75f));
|
||
|
||
// render
|
||
|
||
// McZapkie-261102: kolor zalezy od materialu i zasniedzenia
|
||
model_ubs.param[0] = glm::vec4(Traction->wire_color(), glm::min(1.0f, linealpha));
|
||
|
||
if (m_renderpass.draw_mode == rendermode::shadows)
|
||
Bind_Material_Shadow(null_handle);
|
||
else
|
||
m_line_shader->bind();
|
||
|
||
draw(Traction->m_geometry);
|
||
|
||
// debug data
|
||
++m_renderpass.draw_stats.traction;
|
||
++m_renderpass.draw_stats.drawcalls;
|
||
|
||
if (m_widelines_supported)
|
||
glLineWidth(1.0f);
|
||
}
|
||
|
||
void opengl33_renderer::Render_Alpha(scene::lines_node const &Lines)
|
||
{
|
||
glDebug("Render_Alpha scene::lines_node");
|
||
|
||
auto const &data{Lines.data()};
|
||
|
||
auto const distancesquared { glm::length2( ( data.area.center - m_renderpass.pass_camera.position() ) / (double)Global.ZoomFactor ) / Global.fDistanceFactor };
|
||
if ((distancesquared < data.rangesquared_min) || (distancesquared >= data.rangesquared_max))
|
||
{
|
||
return;
|
||
}
|
||
// setup
|
||
auto const distance{static_cast<float>(std::sqrt(distancesquared))};
|
||
auto const linealpha =
|
||
(data.line_width > 0.f ? 10.f * data.line_width / std::max(0.5f * data.area.radius + 1.f, distance - (0.5f * data.area.radius)) : 1.f); // negative width means the lines are always opague
|
||
if (m_widelines_supported)
|
||
glLineWidth(std::clamp(0.5f * linealpha + data.line_width * data.area.radius / 1000.f, 1.f, 8.f));
|
||
|
||
model_ubs.param[0] = glm::vec4(glm::vec3(data.lighting.diffuse * m_sunlight.ambient), glm::min(1.0f, linealpha));
|
||
|
||
if (m_renderpass.draw_mode == rendermode::shadows)
|
||
Bind_Material_Shadow(null_handle);
|
||
else
|
||
m_line_shader->bind();
|
||
draw(data.geometry);
|
||
|
||
++m_renderpass.draw_stats.lines;
|
||
++m_renderpass.draw_stats.drawcalls;
|
||
|
||
if (m_widelines_supported)
|
||
glLineWidth(1.0f);
|
||
}
|
||
|
||
bool opengl33_renderer::Render_Alpha(TDynamicObject *Dynamic)
|
||
{
|
||
if (!Global.render_cab && Global.pCamera.m_owner == Dynamic)
|
||
return false;
|
||
|
||
if (false == Dynamic->renderme)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
// setup
|
||
TSubModel::iInstance = (size_t)Dynamic; //żeby nie robić cudzych animacji
|
||
glm::dvec3 const originoffset = Dynamic->vPosition - m_renderpass.pass_camera.position();
|
||
// lod visibility ranges are defined for base (x 1.0) viewing distance. for render we adjust them for actual range multiplier and zoom
|
||
float squaredistance;
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::shadows:
|
||
default:
|
||
{
|
||
squaredistance = glm::length2(glm::vec3{originoffset} / Global.ZoomFactor);
|
||
break;
|
||
}
|
||
}
|
||
Dynamic->ABuLittleUpdate(squaredistance); // ustawianie zmiennych submodeli dla wspólnego modelu
|
||
|
||
glm::mat4 future_stack = model_ubs.future;
|
||
|
||
glm::mat4 mv = OpenGLMatrices.data(GL_MODELVIEW);
|
||
model_ubs.future *= glm::translate(mv, glm::vec3(Dynamic->get_future_movement())) * glm::inverse(mv);
|
||
|
||
::glPushMatrix();
|
||
|
||
::glTranslated(originoffset.x, originoffset.y, originoffset.z);
|
||
::glMultMatrixd(glm::value_ptr(Dynamic->mMatrix));
|
||
|
||
if (Dynamic->fShade > 0.0f)
|
||
{
|
||
// change light level based on light level of the occupied track
|
||
setup_sunlight_intensity(Dynamic->fShade);
|
||
}
|
||
|
||
// render
|
||
if( Dynamic->mdLowPolyInt ) {
|
||
// low poly interior
|
||
Render_Alpha( Dynamic->mdLowPolyInt, Dynamic->Material(), squaredistance );
|
||
}
|
||
if( Dynamic->mdModel ) {
|
||
// main model
|
||
Render_Alpha( Dynamic->mdModel, Dynamic->Material(), squaredistance );
|
||
}
|
||
// optional attached models
|
||
for( auto *attachment : Dynamic->mdAttachments ) {
|
||
Render_Alpha( attachment, Dynamic->Material(), squaredistance );
|
||
}
|
||
// optional coupling adapters
|
||
Render_coupler_adapter( Dynamic, squaredistance, end::front, true );
|
||
Render_coupler_adapter( Dynamic, squaredistance, end::rear, true );
|
||
if( Dynamic->mdLoad ) {
|
||
// renderowanie nieprzezroczystego ładunku
|
||
Render_Alpha( Dynamic->mdLoad, Dynamic->Material(), squaredistance, { 0.f, Dynamic->LoadOffset, 0.f }, {} );
|
||
}
|
||
|
||
// post-render cleanup
|
||
if (Dynamic->fShade > 0.0f)
|
||
{
|
||
// restore regular light level
|
||
setup_sunlight_intensity();
|
||
}
|
||
|
||
::glPopMatrix();
|
||
|
||
model_ubs.future = future_stack;
|
||
|
||
if (Dynamic->btnOn)
|
||
Dynamic->TurnOff(); // przywrócenie domyślnych pozycji submodeli
|
||
|
||
return true;
|
||
}
|
||
|
||
bool opengl33_renderer::Render_Alpha(TModel3d *Model, material_data const *Material, float const Squaredistance)
|
||
{
|
||
|
||
auto alpha = (Material != nullptr ? Material->textures_alpha : 0x30300030);
|
||
|
||
if (0 == (alpha & Model->iFlags & 0x2F2F002F))
|
||
{
|
||
// nothing to render
|
||
return false;
|
||
}
|
||
|
||
Model->Root->fSquareDist = Squaredistance; // zmienna globalna!
|
||
|
||
// setup
|
||
Model->Root->ReplacableSet((Material != nullptr ? Material->replacable_skins : nullptr), alpha);
|
||
|
||
Model->Root->pRoot = Model;
|
||
|
||
// render
|
||
Render_Alpha(Model->Root);
|
||
|
||
// post-render cleanup
|
||
|
||
return true;
|
||
}
|
||
|
||
bool opengl33_renderer::Render_Alpha(TModel3d *Model, material_data const *Material, float const Squaredistance, glm::dvec3 const &Position, glm::vec3 const &Angle)
|
||
{
|
||
::glPushMatrix();
|
||
::glTranslated(Position.x, Position.y, Position.z);
|
||
if (Angle.y != 0.0)
|
||
::glRotated(Angle.y, 0.f, 1.f, 0.f);
|
||
if (Angle.x != 0.0)
|
||
::glRotated(Angle.x, 1.f, 0.f, 0.f);
|
||
if (Angle.z != 0.0)
|
||
::glRotated(Angle.z, 0.f, 0.f, 1.f);
|
||
|
||
auto const result = Render_Alpha(Model, Material, Squaredistance); // position is effectively camera offset
|
||
|
||
::glPopMatrix();
|
||
|
||
return result;
|
||
}
|
||
|
||
void opengl33_renderer::Render_Alpha(TSubModel *Submodel)
|
||
{
|
||
// renderowanie przezroczystych przez DL
|
||
if ((Submodel->iVisible) && (TSubModel::fSquareDist >= Submodel->fSquareMinDist) && (TSubModel::fSquareDist < Submodel->fSquareMaxDist))
|
||
{
|
||
glm::mat4 future_stack = model_ubs.future;
|
||
|
||
if (Submodel->iFlags & 0xC000)
|
||
{
|
||
::glPushMatrix();
|
||
if (Submodel->fMatrix)
|
||
::glMultMatrixf(Submodel->fMatrix->readArray());
|
||
if (Submodel->b_aAnim != TAnimType::at_None)
|
||
{
|
||
Submodel->RaAnimation(Submodel->b_aAnim);
|
||
|
||
glm::mat4 mv = OpenGLMatrices.data(GL_MODELVIEW);
|
||
model_ubs.future *= (mv * Submodel->future_transform) * glm::inverse(mv);
|
||
}
|
||
}
|
||
|
||
if (Submodel->eType < TP_ROTATOR)
|
||
{
|
||
// renderowanie obiektów OpenGL
|
||
if (Submodel->iAlpha & Submodel->iFlags & 0x2F)
|
||
{
|
||
// rysuj gdy element przezroczysty
|
||
|
||
// debug data
|
||
++m_renderpass.draw_stats.submodels;
|
||
++m_renderpass.draw_stats.drawcalls;
|
||
|
||
switch (m_renderpass.draw_mode)
|
||
{
|
||
case rendermode::color:
|
||
{
|
||
// material configuration:
|
||
// textures...
|
||
if (Submodel->m_material < 0)
|
||
{ // zmienialne skóry
|
||
Bind_Material(Submodel->ReplacableSkinId[-Submodel->m_material], Submodel);
|
||
}
|
||
else
|
||
{
|
||
Bind_Material(Submodel->m_material, Submodel);
|
||
}
|
||
// ...luminance
|
||
|
||
auto const isemissive { ( Submodel->f4Emision.a > 0.f ) && ( Global.fLuminance < Submodel->fLight ) };
|
||
if (isemissive)
|
||
model_ubs.emission = Submodel->f4Emision.a;
|
||
|
||
// main draw call
|
||
draw(Submodel->m_geometry.handle);
|
||
|
||
model_ubs.emission = 0.0f;
|
||
break;
|
||
}
|
||
case rendermode::shadows:
|
||
{
|
||
// skip if the shadow caster rank is too low for currently set threshold
|
||
if( Material( Submodel ).shadow_rank > Global.gfx_shadow_rank_cutoff )
|
||
{
|
||
--m_renderpass.draw_stats.submodels;
|
||
--m_renderpass.draw_stats.drawcalls;
|
||
break;
|
||
}
|
||
|
||
if (Submodel->m_material < 0)
|
||
{ // zmienialne skóry
|
||
Bind_Material_Shadow(Submodel->ReplacableSkinId[-Submodel->m_material]);
|
||
}
|
||
else
|
||
{
|
||
Bind_Material_Shadow(Submodel->m_material);
|
||
}
|
||
draw(Submodel->m_geometry.handle);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (Submodel->eType == TP_FREESPOTLIGHT)
|
||
{
|
||
// NOTE: we're forced here to redo view angle calculations etc, because this data isn't instanced but stored along with the single mesh
|
||
// TODO: separate instance data from reusable geometry
|
||
auto const &modelview = OpenGLMatrices.data(GL_MODELVIEW);
|
||
auto const lightcenter = modelview * glm::mix(glm::vec4(0.f, 0.f, -0.05f, 1.f), glm::vec4(0.f, 0.f, -0.25f, 1.f),
|
||
static_cast<float>(TSubModel::fSquareDist / Submodel->fSquareMaxDist)); // pozycja punktu świecącego względem kamery
|
||
Submodel->fCosViewAngle = glm::dot(glm::normalize(modelview * glm::vec4(0.f, 0.f, -1.f, 1.f) - lightcenter), glm::normalize(-lightcenter));
|
||
|
||
if (Global.fLuminance < Submodel->fLight || Global.Overcast > 1.0f)
|
||
{
|
||
if (Submodel->fCosViewAngle > Submodel->fCosFalloffAngle)
|
||
{
|
||
// only bother if the viewer is inside the visibility cone
|
||
// luminosity at night is at level of ~0.1, so the overall resulting transparency in clear conditions is ~0.5 at full 'brightness'
|
||
auto glarelevel{std::clamp(std::max<float>(0.6f - Global.fLuminance, // reduce the glare in bright daylight
|
||
Global.Overcast - 1.f), // ensure some glare in rainy/foggy conditions
|
||
0.f, 1.f)};
|
||
// view angle attenuation
|
||
float const anglefactor{std::clamp((Submodel->fCosViewAngle - Submodel->fCosFalloffAngle) / (Submodel->fCosHotspotAngle - Submodel->fCosFalloffAngle), 0.f, 1.f)};
|
||
|
||
glarelevel *= anglefactor;
|
||
|
||
if (glarelevel > 0.0f)
|
||
{
|
||
glDisable(GL_DEPTH_TEST);
|
||
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
|
||
|
||
::glPushMatrix();
|
||
::glLoadIdentity(); // macierz jedynkowa
|
||
::glTranslatef(lightcenter.x, lightcenter.y, lightcenter.z); // początek układu zostaje bez zmian
|
||
::glRotated(std::atan2(lightcenter.x, lightcenter.z) * 180.0 / M_PI, 0.0, 1.0, 0.0); // jedynie obracamy w pionie o kąt
|
||
|
||
auto const lightcolor = glm::vec3(Submodel->DiffuseOverride.r < 0.f ? // -1 indicates no override
|
||
Submodel->f4Diffuse :
|
||
Submodel->DiffuseOverride);
|
||
|
||
m_billboard_shader->bind();
|
||
Bind_Texture(0, m_glaretexture);
|
||
model_ubs.param[0] = glm::vec4(glm::vec3(lightcolor), Submodel->fVisible * glarelevel);
|
||
|
||
// main draw call
|
||
if (Submodel->occlusion_query) {
|
||
if (!Global.gfx_usegles) {
|
||
glBeginConditionalRender(*Submodel->occlusion_query, GL_QUERY_WAIT);
|
||
draw(m_billboardgeometry);
|
||
glEndConditionalRender();
|
||
}
|
||
else {
|
||
auto result = Submodel->occlusion_query->result();
|
||
if (result && *result)
|
||
draw(m_billboardgeometry);
|
||
}
|
||
}
|
||
else
|
||
draw(m_billboardgeometry);
|
||
|
||
glEnable(GL_DEPTH_TEST);
|
||
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
|
||
::glPopMatrix();
|
||
}
|
||
}
|
||
}
|
||
|
||
if (Submodel->fCosViewAngle > Submodel->fCosFalloffAngle)
|
||
{
|
||
// kąt większy niż maksymalny stożek swiatła
|
||
float lightlevel = 1.f; // TODO, TBD: parameter to control light strength
|
||
// view angle attenuation
|
||
float const anglefactor = std::clamp((Submodel->fCosViewAngle - Submodel->fCosFalloffAngle) / (Submodel->fCosHotspotAngle - Submodel->fCosFalloffAngle), 0.f, 1.f);
|
||
lightlevel *= anglefactor;
|
||
|
||
// distance attenuation. NOTE: since it's fixed pipeline with built-in gamma correction we're using linear attenuation
|
||
// we're capping how much effect the distance attenuation can have, otherwise the lights get too tiny at regular distances
|
||
float const distancefactor{std::max(0.5f, (Submodel->fSquareMaxDist - TSubModel::fSquareDist) / Submodel->fSquareMaxDist)};
|
||
auto const pointsize{std::max(3.f, 5.f * distancefactor * anglefactor)};
|
||
// additionally reduce light strength for farther sources in rain or snow
|
||
if (Global.Overcast > 0.75f)
|
||
{
|
||
float const precipitationfactor{std::lerp(std::lerp(1.f, 0.25f, std::clamp(Global.Overcast * 0.75f - 0.5f, 0.f, 1.f)), 1.f, distancefactor)};
|
||
lightlevel *= precipitationfactor;
|
||
}
|
||
|
||
if (lightlevel > 0.f)
|
||
{
|
||
::glPushMatrix();
|
||
::glLoadIdentity();
|
||
::glTranslatef(lightcenter.x, lightcenter.y, lightcenter.z); // początek układu zostaje bez zmian
|
||
|
||
// material configuration:
|
||
// limit impact of dense fog on the lights
|
||
auto const lightrange { std::max<float>( 500, m_fogrange * 2 ) }; // arbitrary, visibility at least 500m
|
||
model_ubs.fog_density = 1.0 / lightrange;
|
||
|
||
// main draw call
|
||
model_ubs.emission = 1.0f;
|
||
|
||
auto lightcolor = glm::vec3(Submodel->DiffuseOverride.r < 0.f ? // -1 indicates no override
|
||
Submodel->f4Diffuse :
|
||
Submodel->DiffuseOverride);
|
||
|
||
m_freespot_shader->bind();
|
||
|
||
if (Global.Overcast > 1.0f)
|
||
{
|
||
// fake fog halo
|
||
float const fogfactor{std::lerp(1.5f, 1.f, std::clamp(Global.fFogEnd / 2000, 0.f, 1.f)) * std::max(1.f, Global.Overcast)};
|
||
model_ubs.param[1].x = pointsize * fogfactor * 4.0f;
|
||
model_ubs.param[0] = glm::vec4(glm::vec3(lightcolor), Submodel->fVisible * std::min(1.f, lightlevel) * 0.5f);
|
||
|
||
draw(Submodel->m_geometry.handle);
|
||
}
|
||
model_ubs.param[1].x = pointsize * 4.0f;
|
||
model_ubs.param[0] = glm::vec4(glm::vec3(lightcolor), Submodel->fVisible * std::min(1.f, lightlevel));
|
||
|
||
if (gl::vao::use_vao) {
|
||
if (!Submodel->occlusion_query)
|
||
Submodel->occlusion_query.emplace(gl::query::ANY_SAMPLES_PASSED);
|
||
Submodel->occlusion_query->begin();
|
||
}
|
||
|
||
draw(Submodel->m_geometry.handle);
|
||
|
||
if (gl::vao::use_vao)
|
||
Submodel->occlusion_query->end();
|
||
|
||
// post-draw reset
|
||
model_ubs.emission = 0.0f;
|
||
model_ubs.fog_density = 1.0f / m_fogrange;
|
||
|
||
::glPopMatrix();
|
||
}
|
||
}
|
||
}
|
||
|
||
if (Submodel->Child != nullptr)
|
||
{
|
||
if (Submodel->eType == TP_TEXT)
|
||
{ // tekst renderujemy w specjalny sposób, zamiast submodeli z łańcucha Child
|
||
int i, j = (int)Submodel->pasText->size();
|
||
TSubModel *p;
|
||
if (!Submodel->smLetter)
|
||
{ // jeśli nie ma tablicy, to ją stworzyć; miejsce nieodpowiednie, ale tymczasowo może być
|
||
Submodel->smLetter = new TSubModel *[256]; // tablica wskaźników submodeli dla wyświetlania tekstu
|
||
memset(Submodel->smLetter, 0, 256 * sizeof(TSubModel *)); // wypełnianie zerami
|
||
p = Submodel->Child;
|
||
while (p)
|
||
{
|
||
Submodel->smLetter[p->pName[0]] = p;
|
||
p = p->Next; // kolejny znak
|
||
}
|
||
}
|
||
for (i = 1; i <= j; ++i)
|
||
{
|
||
p = Submodel->smLetter[(*(Submodel->pasText))[i]]; // znak do wyświetlenia
|
||
if (p)
|
||
{ // na razie tylko jako przezroczyste
|
||
Render_Alpha(p);
|
||
if (p->fMatrix)
|
||
::glMultMatrixf(p->fMatrix->readArray()); // przesuwanie widoku
|
||
}
|
||
}
|
||
}
|
||
else if (Submodel->iAlpha & Submodel->iFlags & 0x002F0000)
|
||
Render_Alpha(Submodel->Child);
|
||
}
|
||
|
||
if (Submodel->iFlags & 0xC000)
|
||
{
|
||
model_ubs.future = future_stack;
|
||
::glPopMatrix();
|
||
}
|
||
}
|
||
/*
|
||
if( Submodel->b_aAnim < at_SecondsJump )
|
||
Submodel->b_aAnim = at_None; // wyłączenie animacji dla kolejnego użycia submodelu
|
||
*/
|
||
if (Submodel->Next != nullptr)
|
||
if (Submodel->iAlpha & Submodel->iFlags & 0x2F000000)
|
||
Render_Alpha(Submodel->Next);
|
||
};
|
||
|
||
bool opengl33_renderer::Debug_Ui_State(std::optional<bool> param)
|
||
{
|
||
if (param) {
|
||
debug_ui_active = *param;
|
||
}
|
||
|
||
return debug_ui_active;
|
||
}
|
||
|
||
// utility methods
|
||
void opengl33_renderer::Update_Pick_Control()
|
||
{
|
||
if (!m_picking_pbo->is_busy())
|
||
{
|
||
unsigned char pickreadout[4];
|
||
if (m_picking_pbo->read_data(1, 1, pickreadout))
|
||
{
|
||
auto const controlindex = pick_index(glm::ivec3{pickreadout[0], pickreadout[1], pickreadout[2]});
|
||
TSubModel const *control{nullptr};
|
||
glm::vec2 position(0.0f);
|
||
if ((controlindex > 0) && (controlindex <= m_pickcontrolsitems.size())) {
|
||
control = m_pickcontrolsitems[controlindex - 1];
|
||
} else if (255 - pickreadout[0] < m_picksurfaceitems.size()) {
|
||
control = m_picksurfaceitems[255 - pickreadout[0]];
|
||
position.x = pickreadout[1] / 255.0f;
|
||
position.y = pickreadout[2] / 255.0f;
|
||
}
|
||
|
||
m_pickcontrolitem = control;
|
||
|
||
for (auto f : m_control_pick_requests)
|
||
f(m_pickcontrolitem, position);
|
||
m_control_pick_requests.clear();
|
||
}
|
||
|
||
if (!m_control_pick_requests.empty())
|
||
{
|
||
glm::vec2 mousepos = Global.cursor_pos;
|
||
mousepos.y = Global.window_size.y - mousepos.y; // cursor coordinates are flipped compared to opengl
|
||
|
||
glm::ivec2 pickbufferpos;
|
||
pickbufferpos = glm::ivec2(mousepos * glm::vec2(EU07_PICKBUFFERSIZE) / glm::vec2(Global.window_size));
|
||
|
||
if (vr)
|
||
pickbufferpos = glm::ivec2(EU07_PICKBUFFERSIZE / 2 + 1, EU07_PICKBUFFERSIZE / 2 + 1);
|
||
pickbufferpos = glm::clamp(pickbufferpos, glm::ivec2(0, 0), glm::ivec2(EU07_PICKBUFFERSIZE - 1, EU07_PICKBUFFERSIZE - 1));
|
||
|
||
Render_pass(*m_viewports.front().get(), rendermode::pickcontrols);
|
||
m_pick_fb->bind();
|
||
m_picking_pbo->request_read(pickbufferpos.x, pickbufferpos.y, 1, 1);
|
||
m_pick_fb->unbind();
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::Update_Pick_Node()
|
||
{
|
||
if (!m_picking_node_pbo->is_busy())
|
||
{
|
||
unsigned char pickreadout[4];
|
||
if (m_picking_node_pbo->read_data(1, 1, pickreadout))
|
||
{
|
||
auto const nodeindex = pick_index(glm::ivec3{pickreadout[0], pickreadout[1], pickreadout[2]});
|
||
scene::basic_node *node{nullptr};
|
||
if ((nodeindex > 0) && (nodeindex <= m_picksceneryitems.size()))
|
||
{
|
||
node = m_picksceneryitems[nodeindex - 1];
|
||
}
|
||
|
||
m_picksceneryitem = node;
|
||
|
||
for (auto f : m_node_pick_requests)
|
||
f(m_picksceneryitem);
|
||
m_node_pick_requests.clear();
|
||
}
|
||
|
||
if (!m_node_pick_requests.empty())
|
||
{
|
||
// determine point to examine
|
||
glm::vec2 mousepos = Global.cursor_pos;
|
||
mousepos.y = Global.window_size.y - mousepos.y; // cursor coordinates are flipped compared to opengl
|
||
|
||
glm::ivec2 pickbufferpos;
|
||
pickbufferpos = glm::ivec2(mousepos * glm::vec2(EU07_PICKBUFFERSIZE) / glm::vec2(Global.window_size));
|
||
pickbufferpos = glm::clamp(pickbufferpos, glm::ivec2(0, 0), glm::ivec2(EU07_PICKBUFFERSIZE - 1, EU07_PICKBUFFERSIZE - 1));
|
||
|
||
Render_pass(*m_viewports.front().get(), rendermode::pickscenery);
|
||
m_pick_fb->bind();
|
||
m_picking_node_pbo->request_read(pickbufferpos.x, pickbufferpos.y, 1, 1);
|
||
m_pick_fb->unbind();
|
||
}
|
||
}
|
||
}
|
||
|
||
void opengl33_renderer::Pick_Control_Callback(std::function<void(TSubModel const *, const glm::vec2 pos)> callback)
|
||
{
|
||
if (!Global.render_cab) {
|
||
callback(nullptr, glm::vec2());
|
||
return;
|
||
}
|
||
m_control_pick_requests.push_back(callback);
|
||
}
|
||
|
||
void opengl33_renderer::Pick_Node_Callback(std::function<void(scene::basic_node *)> callback)
|
||
{
|
||
m_node_pick_requests.push_back(callback);
|
||
}
|
||
|
||
glm::dvec3 opengl33_renderer::Update_Mouse_Position()
|
||
{
|
||
if (!m_depth_pointer_pbo->is_busy())
|
||
{
|
||
// determine point to examine
|
||
glm::vec2 mousepos = Global.cursor_pos;
|
||
mousepos.y = Global.window_size.y - mousepos.y; // cursor coordinates are flipped compared to opengl
|
||
|
||
glm::ivec2 bufferpos;
|
||
bufferpos = glm::ivec2(mousepos * glm::vec2(Global.gfx_framebuffer_width, Global.gfx_framebuffer_height) / glm::vec2(Global.window_size));
|
||
bufferpos = glm::clamp(bufferpos, glm::ivec2(0, 0), glm::ivec2(Global.gfx_framebuffer_width - 1, Global.gfx_framebuffer_height - 1));
|
||
|
||
float pointdepth = std::numeric_limits<float>::max();
|
||
|
||
if (!Global.gfx_usegles)
|
||
{
|
||
m_depth_pointer_pbo->read_data(1, 1, &pointdepth, 4);
|
||
|
||
if (!Global.iMultisampling)
|
||
{
|
||
m_depth_pointer_pbo->request_read(bufferpos.x, bufferpos.y, 1, 1, 4, GL_DEPTH_COMPONENT, GL_FLOAT);
|
||
}
|
||
else if (Global.gfx_skippipeline)
|
||
{
|
||
gl::framebuffer::blit(nullptr, m_depth_pointer_fb.get(), bufferpos.x, bufferpos.y, 1, 1, GL_DEPTH_BUFFER_BIT, 0);
|
||
|
||
m_depth_pointer_fb->bind();
|
||
m_depth_pointer_pbo->request_read(0, 0, 1, 1, 4, GL_DEPTH_COMPONENT, GL_FLOAT);
|
||
m_depth_pointer_fb->unbind();
|
||
}
|
||
else
|
||
{
|
||
gl::framebuffer::blit(m_viewports.front()->msaa_fb.get(), m_depth_pointer_fb.get(), bufferpos.x, bufferpos.y, 1, 1, GL_DEPTH_BUFFER_BIT, 0);
|
||
|
||
m_depth_pointer_fb->bind();
|
||
m_depth_pointer_pbo->request_read(0, 0, 1, 1, 4, GL_DEPTH_COMPONENT, GL_FLOAT);
|
||
m_viewports.front()->msaa_fb->bind();
|
||
}
|
||
}
|
||
else
|
||
{
|
||
unsigned int data[4];
|
||
if (m_depth_pointer_pbo->read_data(1, 1, data, 16))
|
||
pointdepth = (double)data[0] / 65535.0;
|
||
|
||
if (Global.gfx_skippipeline)
|
||
{
|
||
gl::framebuffer::blit(nullptr, m_depth_pointer_fb.get(), 0, 0, Global.gfx_framebuffer_width, Global.gfx_framebuffer_height, GL_DEPTH_BUFFER_BIT, 0);
|
||
|
||
m_empty_vao->bind();
|
||
m_depth_pointer_tex->bind(0);
|
||
m_depth_pointer_shader->bind();
|
||
m_depth_pointer_fb2->bind();
|
||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||
m_depth_pointer_pbo->request_read(bufferpos.x, bufferpos.y, 1, 1, 16, GL_RGBA_INTEGER, GL_UNSIGNED_INT);
|
||
m_depth_pointer_shader->unbind();
|
||
m_empty_vao->unbind();
|
||
m_depth_pointer_fb2->unbind();
|
||
}
|
||
else
|
||
{
|
||
gl::framebuffer::blit(m_viewports.front()->msaa_fb.get(), m_depth_pointer_fb.get(), 0, 0, Global.gfx_framebuffer_width, Global.gfx_framebuffer_height, GL_DEPTH_BUFFER_BIT, 0);
|
||
|
||
m_empty_vao->bind();
|
||
m_depth_pointer_tex->bind(0);
|
||
m_depth_pointer_shader->bind();
|
||
m_depth_pointer_fb2->bind();
|
||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||
m_depth_pointer_pbo->request_read(bufferpos.x, bufferpos.y, 1, 1, 16, GL_RGBA_INTEGER, GL_UNSIGNED_INT);
|
||
m_depth_pointer_shader->unbind();
|
||
m_empty_vao->unbind();
|
||
m_viewports.front()->msaa_fb->bind();
|
||
}
|
||
}
|
||
|
||
if (pointdepth != std::numeric_limits<float>::max())
|
||
{
|
||
if (GLAD_GL_ARB_clip_control || GLAD_GL_EXT_clip_control) {
|
||
if (pointdepth > 0.0f)
|
||
m_worldmousecoordinates = glm::unProjectZO(glm::vec3(bufferpos, pointdepth), glm::mat4(glm::mat3(m_colorpass.pass_camera.modelview())), m_colorpass.pass_camera.projection(),
|
||
glm::vec4(0, 0, Global.gfx_framebuffer_width, Global.gfx_framebuffer_height));
|
||
} else if (pointdepth < 1.0f)
|
||
m_worldmousecoordinates = glm::unProjectNO(glm::vec3(bufferpos, pointdepth), glm::mat4(glm::mat3(m_colorpass.pass_camera.modelview())), m_colorpass.pass_camera.projection(),
|
||
glm::vec4(0, 0, Global.gfx_framebuffer_width, Global.gfx_framebuffer_height));
|
||
}
|
||
}
|
||
|
||
return m_colorpass.pass_camera.position() + glm::dvec3{m_worldmousecoordinates};
|
||
}
|
||
|
||
void opengl33_renderer::Update(double const Deltatime)
|
||
{
|
||
Update_Pick_Control();
|
||
Update_Pick_Node();
|
||
|
||
m_updateaccumulator += Deltatime;
|
||
|
||
if (m_updateaccumulator < 1.0)
|
||
{
|
||
// too early for any work
|
||
return;
|
||
}
|
||
|
||
m_updateaccumulator = 0.0;
|
||
m_framerate = 1000.f / ( Timer::subsystem.mainloop_total.average() );
|
||
|
||
// adjust draw ranges etc, based on recent performance
|
||
|
||
if (Global.targetfps != 0.0f) {
|
||
float fps_diff = Global.targetfps - m_framerate;
|
||
if (fps_diff > 0.0f)
|
||
Global.fDistanceFactor = std::max(0.5f, Global.fDistanceFactor - 0.05f);
|
||
else
|
||
Global.fDistanceFactor = std::min(Global.gfx_distance_factor_max, Global.fDistanceFactor + 0.05f);
|
||
}
|
||
// legacy framerate parameters
|
||
else if (Global.fFpsAverage != 0.f) {
|
||
auto const fps_diff = m_framerate - Global.fFpsAverage;
|
||
if (fps_diff < -Global.fFpsDeviation) {
|
||
Global.fDistanceFactor = std::min(std::max(1.0f, Global.fDistanceFactor - 0.05f), Global.gfx_distance_factor_max);
|
||
}
|
||
else if (fps_diff > Global.fFpsDeviation) {
|
||
Global.fDistanceFactor = std::min(std::min(3.0f, Global.fDistanceFactor + 0.05f), Global.gfx_distance_factor_max);
|
||
}
|
||
}
|
||
|
||
if( Global.UpdateMaterials ) {
|
||
// update resources if there was environmental change
|
||
simulation_state simulationstate {
|
||
Global.Weather,
|
||
Global.Season
|
||
};
|
||
std::swap( m_simulationstate, simulationstate );
|
||
if( ( m_simulationstate.season != simulationstate.season ) && ( false == simulationstate.season.empty() ) ) {
|
||
m_materials.on_season_change();
|
||
}
|
||
if( ( m_simulationstate.weather != simulationstate.weather ) && ( false == simulationstate.weather.empty() ) ) {
|
||
m_materials.on_weather_change();
|
||
}
|
||
}
|
||
|
||
if ((true == Global.ResourceSweep) && (true == simulation::is_ready))
|
||
{
|
||
// garbage collection
|
||
m_geometry.update();
|
||
m_textures.update();
|
||
}
|
||
|
||
if ((true == Global.ControlPicking) && (false == FreeFlyModeFlag))
|
||
Pick_Control_Callback([](const TSubModel *, const glm::vec2) {});
|
||
// temporary conditions for testing. eventually will be coupled with editor mode
|
||
if ((true == Global.ControlPicking) && (true == DebugModeFlag) && (true == FreeFlyModeFlag))
|
||
Pick_Node_Callback([](scene::basic_node *) {});
|
||
|
||
// dump last opengl error, if any
|
||
int glerror;
|
||
while ((glerror = glGetError()) != GL_NO_ERROR)
|
||
{
|
||
std::string glerrorstring;
|
||
if (glerror == GL_INVALID_ENUM)
|
||
glerrorstring = "GL_INVALID_ENUM";
|
||
else if (glerror == GL_INVALID_VALUE)
|
||
glerrorstring = "GL_INVALID_VALUE";
|
||
else if (glerror == GL_INVALID_OPERATION)
|
||
glerrorstring = "GL_INVALID_OPERATION";
|
||
else if (glerror == GL_OUT_OF_MEMORY)
|
||
glerrorstring = "GL_OUT_OF_MEMORY";
|
||
else if (glerror == GL_INVALID_FRAMEBUFFER_OPERATION)
|
||
glerrorstring = "GL_INVALID_FRAMEBUFFER_OPERATION";
|
||
Global.LastGLError = std::to_string(glerror) + " (" + glerrorstring + ")";
|
||
}
|
||
}
|
||
|
||
// debug performance string
|
||
std::string const &opengl33_renderer::info_times() const
|
||
{
|
||
|
||
return m_debugtimestext;
|
||
}
|
||
|
||
std::string const &opengl33_renderer::info_stats() const
|
||
{
|
||
|
||
return m_debugstatstext;
|
||
}
|
||
|
||
void opengl33_renderer::MakeScreenshot()
|
||
{
|
||
screenshot_manager::make_screenshot();
|
||
}
|
||
|
||
void opengl33_renderer::Update_Lights(light_array &Lights)
|
||
{
|
||
glDebug("Update_Lights");
|
||
|
||
Bind_Texture( gl::HEADLIGHT_TEX, m_headlightstexture );
|
||
|
||
// arrange the light array from closest to farthest from current position of the camera
|
||
auto const camera = m_colorpass.pass_camera.position();
|
||
std::sort(
|
||
std::begin(Lights.data), std::end(Lights.data),
|
||
[&camera](light_array::light_record const &Left, light_array::light_record const &Right) {
|
||
// move lights which are off at the end...
|
||
if (Left.intensity == 0.f) { return false; }
|
||
if (Right.intensity == 0.f) { return true; }
|
||
// ...otherwise prefer closer and/or brigher light sources
|
||
return (glm::length2(camera - Left.position) / Left.intensity) < (glm::length2(camera - Right.position) / Right.intensity);
|
||
});
|
||
|
||
// set up helpers
|
||
glm::mat4 coordmove;
|
||
if (GLAD_GL_ARB_clip_control || GLAD_GL_EXT_clip_control)
|
||
// transform 1..-1 NDC xy coordinates to 1..0
|
||
coordmove = glm::mat4( //
|
||
0.5, 0.0, 0.0, 0.0, //
|
||
0.0, 0.5, 0.0, 0.0, //
|
||
0.0, 0.0, 1.0, 0.0, //
|
||
0.5, 0.5, 0.0, 1.0 //
|
||
);
|
||
else
|
||
// without clip_control we also need to transform z
|
||
coordmove = glm::mat4( //
|
||
0.5, 0.0, 0.0, 0.0, //
|
||
0.0, 0.5, 0.0, 0.0, //
|
||
0.0, 0.0, 0.5, 0.0, //
|
||
0.5, 0.5, 0.5, 1.0 //
|
||
);
|
||
glm::mat4 mv = OpenGLMatrices.data( GL_MODELVIEW );
|
||
|
||
// fill vehicle headlights data
|
||
auto renderlight = m_lights.begin();
|
||
size_t light_i = 1;
|
||
|
||
for (auto const &scenelight : Lights.data)
|
||
{
|
||
if (renderlight == m_lights.end()) {
|
||
// we ran out of lights to assign
|
||
break;
|
||
}
|
||
if (scenelight.intensity == 0.f) {
|
||
// all lights past this one are bound to be off
|
||
break;
|
||
}
|
||
auto const lightoffset = glm::vec3{scenelight.position - camera};
|
||
if (glm::length2(lightoffset) > sq(1000.f)) {
|
||
// we don't care about lights past arbitrary limit of 1 km.
|
||
// but there could still be weaker lights which are closer, so keep looking
|
||
continue;
|
||
}
|
||
// if the light passed tests so far, it's good enough
|
||
renderlight->position = lightoffset;
|
||
renderlight->direction = scenelight.direction;
|
||
|
||
auto luminance = static_cast<float>(Global.fLuminance);
|
||
// adjust luminance level based on vehicle's location, e.g. tunnels
|
||
auto const environment = scenelight.owner->fShade;
|
||
if (environment > 0.f)
|
||
{
|
||
luminance *= environment;
|
||
}
|
||
renderlight->diffuse = glm::vec4{glm::max(glm::vec3{colors::none}, scenelight.color - glm::vec3{luminance}), renderlight->diffuse[3]};
|
||
renderlight->ambient = glm::vec4{glm::max(glm::vec3{colors::none}, scenelight.color * glm::vec3{scenelight.intensity} - glm::vec3{luminance}), renderlight->ambient[3]};
|
||
|
||
renderlight->apply_intensity( ( scenelight.count * 0.5 ) * ( scenelight.owner->DimHeadlights ? 0.5 : 1.0 ) );
|
||
renderlight->apply_angle();
|
||
|
||
gl::light_element_ubs *light = &light_ubs.lights[light_i];
|
||
|
||
light->pos = mv * glm::vec4(renderlight->position, 1.0f);
|
||
light->dir = mv * glm::vec4(renderlight->direction, 0.0f);
|
||
light->type = gl::light_element_ubs::HEADLIGHTS;
|
||
light->in_cutoff = headlight_config.in_cutoff;
|
||
light->out_cutoff = headlight_config.out_cutoff;
|
||
light->color = renderlight->diffuse * renderlight->factor;
|
||
light->linear = headlight_config.falloff_linear / 10.0f;
|
||
light->quadratic = headlight_config.falloff_quadratic / 100.0f;
|
||
light->ambient = headlight_config.ambient;
|
||
light->intensity = headlight_config.intensity;
|
||
// headlights-to-world projection
|
||
{
|
||
// headlight projection is 1 km long box aligned with vehicle rotation and aimed slightly downwards
|
||
opengl_camera headlights;
|
||
auto const &ownerdimensions{ scenelight.owner->MoverParameters->Dim };
|
||
auto const up{ static_cast<glm::dvec3>( scenelight.owner->VectorUp() ) };
|
||
auto const size{ static_cast<float>( std::max( ownerdimensions.W, ownerdimensions.H ) * 1.0 ) }; // ensure square ratio
|
||
auto const cone{ 5.f };
|
||
auto const offset{ 75.f * ( 5.f / cone ) };
|
||
headlights.position() =
|
||
scenelight.owner->GetPosition()
|
||
- glm::dvec3(scenelight.direction * offset)
|
||
+ up * ( size * 0.5 );
|
||
/*
|
||
headlights.projection() = ortho_projection(
|
||
-size, size,
|
||
-size, size,
|
||
ownerdimensions.L * 0.5 - 0.5, 1000.0f );
|
||
*/
|
||
headlights.projection() = perspective_projection_raw(
|
||
glm::radians( cone ),
|
||
1.0,
|
||
ownerdimensions.L * 0.5 + offset - 0.25, 1000.0f );
|
||
glm::dmat4 viewmatrix{ 1.0 };
|
||
viewmatrix *=
|
||
glm::lookAt(
|
||
headlights.position(),
|
||
headlights.position()
|
||
- up * 1.0
|
||
+ glm::dvec3{ scenelight.direction * 1000.f },
|
||
glm::dvec3{ 0.f, 1.f, 0.f } );
|
||
headlights.modelview() = viewmatrix;
|
||
// calculate world->headlight space projection matrix
|
||
glm::mat4 const depthproj{ headlights.projection() };
|
||
// NOTE: we strip transformations from camera projections to remove jitter that occurs
|
||
// with large (and unneded as we only need the offset) transformations back and forth
|
||
auto const lightcam{ glm::mat3{ headlights.modelview() } };
|
||
auto const worldcam{ glm::mat3{ m_renderpass.pass_camera.modelview() } };
|
||
|
||
light->headlight_projection =
|
||
coordmove
|
||
* depthproj
|
||
* glm::translate(
|
||
glm::mat4{ lightcam },
|
||
glm::vec3{ m_renderpass.pass_camera.position() - headlights.position() } )
|
||
* glm::mat4{ glm::inverse( worldcam ) };
|
||
}
|
||
// headlights weights
|
||
light->headlight_weights = { scenelight.state, 0.f };
|
||
|
||
++light_i;
|
||
++renderlight;
|
||
}
|
||
light_ubs.lights_count = light_i;
|
||
// fill sunlight data
|
||
light_ubs.ambient = m_sunlight.ambient * m_sunlight.factor;// *simulation::Environment.light_intensity();
|
||
light_ubs.lights[0].type = gl::light_element_ubs::DIR;
|
||
light_ubs.lights[0].dir = mv * glm::vec4(m_sunlight.direction, 0.0f);
|
||
light_ubs.lights[0].color = m_sunlight.diffuse * m_sunlight.factor * simulation::Environment.light_intensity();
|
||
light_ubs.lights[0].ambient = 0.0f;
|
||
light_ubs.lights[0].intensity = 1.0f;
|
||
// fill fog data
|
||
light_ubs.fog_color = Global.FogColor;
|
||
if (Global.fFogEnd > 0)
|
||
{
|
||
m_fogrange = Global.fFogEnd / std::max(1.f, Global.Overcast * 2.f);
|
||
model_ubs.fog_density = 1.0f / m_fogrange;
|
||
}
|
||
else
|
||
{
|
||
model_ubs.fog_density = 0.0f;
|
||
}
|
||
// ship config data to the gpu
|
||
model_ubo->update(model_ubs);
|
||
light_ubo->update(light_ubs);
|
||
}
|
||
|
||
bool opengl33_renderer::Init_caps()
|
||
{
|
||
std::string gl_renderer((char *)glGetString(GL_RENDERER));
|
||
std::string gl_vendor((char *)glGetString(GL_VENDOR));
|
||
std::string gl_version((char *)glGetString(GL_VERSION));
|
||
|
||
crashreport_add_info("gl_renderer", gl_renderer);
|
||
crashreport_add_info("gl_vendor", gl_vendor);
|
||
crashreport_add_info("gl_version", gl_version);
|
||
crashreport_add_info("gl_use_vao", gl::vao::use_vao ? "yes" : "no");
|
||
crashreport_add_info("gfx.skippipeline", Global.gfx_skippipeline ? "yes" : "no");
|
||
|
||
WriteLog("MaSzyna OpenGL Renderer");
|
||
WriteLog("Renderer: " + gl_renderer);
|
||
WriteLog("Vendor: " + gl_vendor);
|
||
WriteLog("GL version: " + gl_version);
|
||
|
||
WriteLog("--------");
|
||
|
||
GLint extCount = 0;
|
||
glGetIntegerv(GL_NUM_EXTENSIONS, &extCount);
|
||
|
||
WriteLog("Supported extensions:");
|
||
for (int i = 0; i < extCount; i++)
|
||
{
|
||
const char *ext = (const char *)glGetStringi(GL_EXTENSIONS, i);
|
||
WriteLog(ext);
|
||
}
|
||
WriteLog("--------");
|
||
|
||
if (!Global.gfx_usegles)
|
||
{
|
||
crashreport_add_info("gl_family", "desktop");
|
||
|
||
if (!GLAD_GL_VERSION_3_3)
|
||
{
|
||
ErrorLog("requires OpenGL >= 3.3!");
|
||
return false;
|
||
}
|
||
|
||
if (!GLAD_GL_EXT_texture_sRGB)
|
||
ErrorLog("EXT_texture_sRGB not supported!");
|
||
|
||
if (!GLAD_GL_EXT_texture_compression_s3tc)
|
||
ErrorLog("EXT_texture_compression_s3tc not supported!");
|
||
|
||
if (GLAD_GL_ARB_texture_filter_anisotropic)
|
||
WriteLog("ARB_texture_filter_anisotropic supported!");
|
||
|
||
if (GLAD_GL_ARB_multi_bind)
|
||
WriteLog("ARB_multi_bind supported!");
|
||
|
||
if (GLAD_GL_ARB_direct_state_access)
|
||
WriteLog("ARB_direct_state_access supported!");
|
||
|
||
if (GLAD_GL_ARB_clip_control)
|
||
WriteLog("ARB_clip_control supported!");
|
||
}
|
||
else
|
||
{
|
||
crashreport_add_info("gl_family", "gles");
|
||
|
||
if (!GLAD_GL_ES_VERSION_3_0)
|
||
{
|
||
ErrorLog("requires OpenGL ES >= 3.0!");
|
||
return false;
|
||
}
|
||
|
||
if (GLAD_GL_EXT_texture_filter_anisotropic)
|
||
WriteLog("EXT_texture_filter_anisotropic supported!");
|
||
|
||
if (GLAD_GL_EXT_clip_control)
|
||
WriteLog("EXT_clip_control supported!");
|
||
|
||
if (GLAD_GL_EXT_geometry_shader)
|
||
WriteLog("EXT_geometry_shader supported!");
|
||
}
|
||
|
||
glGetError();
|
||
glLineWidth(2.0f);
|
||
if (!glGetError())
|
||
{
|
||
WriteLog("wide lines supported!");
|
||
m_widelines_supported = true;
|
||
}
|
||
else
|
||
WriteLog("warning: wide lines not supported");
|
||
|
||
WriteLog("--------");
|
||
|
||
// ograniczenie maksymalnego rozmiaru tekstur - parametr dla skalowania tekstur
|
||
{
|
||
GLint texturesize;
|
||
::glGetIntegerv(GL_MAX_TEXTURE_SIZE, &texturesize);
|
||
Global.iMaxTextureSize = std::min(Global.iMaxTextureSize, texturesize);
|
||
Global.iMaxCabTextureSize = std::min( Global.iMaxCabTextureSize, texturesize );
|
||
WriteLog( "texture sizes capped at " + std::to_string(Global.iMaxTextureSize) + "p (" + std::to_string( Global.iMaxCabTextureSize ) + "p for cab textures)" );
|
||
Global.CurrentMaxTextureSize = Global.iMaxTextureSize;
|
||
m_shadowbuffersize = Global.shadowtune.map_size;
|
||
m_shadowbuffersize = std::min(m_shadowbuffersize, texturesize);
|
||
WriteLog("shadows map size capped at " + std::to_string(m_shadowbuffersize) + "p");
|
||
}
|
||
Global.DynamicLightCount = std::min(Global.DynamicLightCount, (int)gl::MAX_LIGHTS - 1); // reserve 1 slot for sun
|
||
|
||
if (Global.iMultisampling)
|
||
{
|
||
WriteLog("using multisampling x" + std::to_string(1 << Global.iMultisampling));
|
||
}
|
||
|
||
if (Global.gfx_framebuffer_width == -1)
|
||
Global.gfx_framebuffer_width = Global.fb_size.x;
|
||
if (Global.gfx_framebuffer_height == -1)
|
||
Global.gfx_framebuffer_height = Global.fb_size.y;
|
||
|
||
WriteLog("main window size: " + std::to_string(Global.gfx_framebuffer_width) + "x" + std::to_string(Global.gfx_framebuffer_height));
|
||
|
||
return true;
|
||
}
|
||
|
||
glm::vec3 opengl33_renderer::pick_color(std::size_t const Index)
|
||
{
|
||
return glm::vec3{((Index & 0xff0000) >> 16) / 255.0f, ((Index & 0x00ff00) >> 8) / 255.0f, (Index & 0x0000ff) / 255.0f};
|
||
}
|
||
|
||
std::size_t opengl33_renderer::pick_index(glm::ivec3 const &Color)
|
||
{
|
||
return Color.b + (Color.g * 256) + (Color.r * 256 * 256);
|
||
}
|
||
|
||
std::unique_ptr<gfx_renderer> opengl33_renderer::create_func()
|
||
{
|
||
return std::unique_ptr<gfx_renderer>(new opengl33_renderer());
|
||
}
|
||
|
||
bool opengl33_renderer::renderer_register = gfx_renderer_factory::get_instance()->register_backend("modern", opengl33_renderer::create_func);
|
||
|
||
bool opengl33_renderer::opengl33_imgui_renderer::Init()
|
||
{
|
||
crashreport_add_info("imgui_ver", "gl3");
|
||
if (Global.gfx_usegles)
|
||
return ImGui_ImplOpenGL3_Init("#version 300 es\nprecision highp float;");
|
||
else
|
||
return ImGui_ImplOpenGL3_Init("#version 330 core");
|
||
}
|
||
|
||
void opengl33_renderer::opengl33_imgui_renderer::Shutdown()
|
||
{
|
||
ImGui_ImplOpenGL3_Shutdown();
|
||
}
|
||
|
||
void opengl33_renderer::opengl33_imgui_renderer::BeginFrame()
|
||
{
|
||
ImGui_ImplOpenGL3_NewFrame();
|
||
}
|
||
|
||
void opengl33_renderer::opengl33_imgui_renderer::Render()
|
||
{
|
||
gl::buffer::unbind(gl::buffer::ARRAY_BUFFER);
|
||
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
||
}
|
||
|