Files
maszyna/pythonscreenviewer.cpp
2019-03-16 21:39:49 +01:00

101 lines
2.6 KiB
C++

#include "stdafx.h"
#include "pythonscreenviewer.h"
#include "application.h"
#include "gl/shader.h"
#include "gl/vao.h"
#include "Logs.h"
void texture_window_fb_resize(GLFWwindow *win, int w, int h)
{
python_screen_viewer *texwindow = (python_screen_viewer*)glfwGetWindowUserPointer(win);
texwindow->notify_window_size(win, w, h);
}
python_screen_viewer::python_screen_viewer(GLuint src, std::string surfacename)
{
m_source = src;
for (const auto &viewport : Global.python_viewports) {
if (viewport.surface == surfacename) {
window_config conf;
conf.size = viewport.size;
conf.offset = viewport.offset;
conf.scale = viewport.scale;
conf.window = Application.window(-1, true, conf.size.x, conf.size.y,
Application.find_monitor(viewport.monitor), false);
glfwSetWindowUserPointer(conf.window, this);
glfwSetFramebufferSizeCallback(conf.window, texture_window_fb_resize);
m_windows.push_back(std::move(conf));
}
}
gl::shader vert("texturewindow.vert");
gl::shader frag("texturewindow.frag");
m_shader = std::make_unique<gl::program>(std::vector<std::reference_wrapper<const gl::shader>>({vert, frag}));
m_renderthread = std::make_unique<std::thread>(&python_screen_viewer::threadfunc, this);
}
python_screen_viewer::~python_screen_viewer()
{
m_exit = true;
m_renderthread->join();
for (auto &window : m_windows)
glfwDestroyWindow(window.window);
}
void python_screen_viewer::threadfunc()
{
for (auto &window : m_windows) {
glfwMakeContextCurrent(window.window);
glfwSwapInterval(1);
GLuint v;
glGenVertexArrays(1, &v);
glBindVertexArray(v);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, m_source);
if (!Global.gfx_usegles && !Global.gfx_shadergamma)
glEnable(GL_FRAMEBUFFER_SRGB);
window.ubo = std::make_unique<gl::ubo>(sizeof(gl::scene_ubs), 0, GL_STREAM_DRAW);
}
while (!m_exit)
{
for (auto &window : m_windows) {
glfwMakeContextCurrent(window.window);
m_shader->unbind();
gl::buffer::unbind();
m_shader->bind();
window.ubo->bind_uniform();
m_ubs.projection = glm::mat4(glm::mat3(glm::translate(glm::scale(glm::mat3(), 1.0f / window.scale), window.offset)));
window.ubo->update(m_ubs);
glViewport(0, 0, window.size.x, window.size.y);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glfwSwapBuffers(window.window);
}
}
}
void python_screen_viewer::notify_window_size(GLFWwindow *window, int w, int h)
{
for (auto &conf : m_windows) {
if (conf.window == window) {
conf.size.x = w;
conf.size.y = h;
return;
}
}
}