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GLES support

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This commit is contained in:
milek7
2018-10-16 20:32:45 +02:00
parent f8857158ce
commit d16d96f2b2
77 changed files with 5601 additions and 26893 deletions
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2
imgui/imgui_impl_opengl2.cpp
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@@ -34,7 +34,7 @@
#include <stdint.h> // intptr_t
#endif
#include <GL/glew.h>
#include <glad/glad.h>
// OpenGL Data
static GLuint g_FontTexture = 0;

26
imgui/imgui_impl_opengl3.cpp
View File

@@ -32,10 +32,10 @@
#include "imgui.h"
#include "imgui_impl_opengl3.h"
#include <GL/glew.h>
#include <glad/glad.h>
// OpenGL Data
static char g_GlslVersion[32] = "";
static char g_GlslVersion[128] = "";
static GLuint g_FontTexture = 0;
static int g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0;
static int g_AttribLocationTex = 0, g_AttribLocationProjMtx = 0;
@@ -86,7 +86,6 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
GLint last_sampler; glGetIntegerv(GL_SAMPLER_BINDING, &last_sampler);
GLint last_array_buffer; glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_array_buffer);
GLint last_vertex_array; glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vertex_array);
GLint last_polygon_mode[2]; glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode);
GLint last_viewport[4]; glGetIntegerv(GL_VIEWPORT, last_viewport);
GLint last_scissor_box[4]; glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box);
GLenum last_blend_src_rgb; glGetIntegerv(GL_BLEND_SRC_RGB, (GLint*)&last_blend_src_rgb);
@@ -99,7 +98,16 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
GLboolean last_enable_cull_face = glIsEnabled(GL_CULL_FACE);
GLboolean last_enable_depth_test = glIsEnabled(GL_DEPTH_TEST);
GLboolean last_enable_scissor_test = glIsEnabled(GL_SCISSOR_TEST);
GLboolean last_enable_srgb = glIsEnabled(GL_FRAMEBUFFER_SRGB);
GLint last_polygon_mode[2];
GLboolean last_enable_srgb;
if (GLAD_GL_VERSION_3_3)
{
glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode);
last_enable_srgb = glIsEnabled(GL_FRAMEBUFFER_SRGB);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_FRAMEBUFFER_SRGB);
}
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, polygon fill
glEnable(GL_BLEND);
@@ -108,8 +116,6 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_FRAMEBUFFER_SRGB);
// Setup viewport, orthographic projection matrix
// Our visible imgui space lies from draw_data->DisplayPps (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin is typically (0,0) for single viewport apps.
@@ -195,10 +201,14 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
if (last_enable_cull_face) glEnable(GL_CULL_FACE); else glDisable(GL_CULL_FACE);
if (last_enable_depth_test) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST);
if (last_enable_scissor_test) glEnable(GL_SCISSOR_TEST); else glDisable(GL_SCISSOR_TEST);
if (last_enable_srgb) glEnable(GL_FRAMEBUFFER_SRGB); else glDisable(GL_FRAMEBUFFER_SRGB);
glPolygonMode(GL_FRONT_AND_BACK, (GLenum)last_polygon_mode[0]);
glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]);
glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]);
if (GLAD_GL_VERSION_3_3)
{
if (last_enable_srgb) glEnable(GL_FRAMEBUFFER_SRGB); else glDisable(GL_FRAMEBUFFER_SRGB);
glPolygonMode(GL_FRONT_AND_BACK, (GLenum)last_polygon_mode[0]);
}
}
bool ImGui_ImplOpenGL3_CreateFontsTexture()