satdump/src-ui/render.cpp

#include "render.h"
#include "logger.h"

std::shared_ptr<std::vector<std::shared_ptr<ProcessingModule>>> uiCallList;
std::shared_ptr<std::mutex> uiCallListMutex;

void render()
{
    // Setup Dear ImGui context
    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO &io = ImGui::GetIO();
    (void)io;
    io.IniFilename = NULL;

    // Setup Platform/Renderer bindings
    ImGui_ImplGlfw_InitForOpenGL(window, true);
    ImGui_ImplOpenGL3_Init("#version 150");

    // Main loop
    while (!glfwWindowShouldClose(window))
    {
        glfwPollEvents();

        // Start the Dear ImGui frame
        ImGui_ImplOpenGL3_NewFrame();
        ImGui_ImplGlfw_NewFrame();
        ImGui::NewFrame();

        int wwidth, wheight;
        glfwGetWindowSize(window, &wwidth, &wheight);

        // User rendering
        {
            uiCallListMutex->lock();
            for (std::shared_ptr<ProcessingModule> module : *uiCallList)
            {
                module->drawUI();
            }
            uiCallListMutex->unlock();
        }

        // Rendering
        ImGui::Render();
        int display_w, display_h;
        glfwGetFramebufferSize(window, &display_w, &display_h);
        glViewport(0, 0, display_w, display_h);

        glClear(GL_COLOR_BUFFER_BIT);
        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());

        glfwSwapBuffers(window);
    }

    // Cleanup
    ImGui_ImplOpenGL3_Shutdown();
    ImGui_ImplGlfw_Shutdown();
    ImGui::DestroyContext();

    glfwDestroyWindow(window);
    glfwTerminate();
}