98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
#include <GLFW/glfw3.h>
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#include <imgui.h>
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#include <imgui_impl_glfw.h>
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#include <imgui_impl_opengl3.h>
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int main(int, char**)
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{
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if (!glfwInit())
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return 1;
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
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GLFWwindow* window = glfwCreateWindow(1900, 720, "microsa", nullptr, nullptr);
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if (window == nullptr) {
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glfwTerminate();
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return 1;
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}
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glfwMakeContextCurrent(window);
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glfwSwapInterval(1);
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO();
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
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ImGui::StyleColorsDark();
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ImGui_ImplGlfw_InitForOpenGL(window, true);
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ImGui_ImplOpenGL3_Init("#version 130");
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int waterfall_width = 1600;
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int waterfall_height = 700;
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unsigned int waterfall_data[1600*700];
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GLuint waterfall;
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glGenTextures(1, &waterfall);
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glBindTexture(GL_TEXTURE_2D, waterfall);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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int t = 0;
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bool exit = false;
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while (!exit && !glfwWindowShouldClose(window)) {
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glfwPollEvents();
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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t++;
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for(int y=0;y<waterfall_height;y++)
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for(int x=0;x<waterfall_width;x++)
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waterfall_data[y*waterfall_width+x] = (x+y+t) | 0xff000000;
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glBindTexture(GL_TEXTURE_2D, waterfall);
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#if defined(GL_UNPACK_ROW_LENGTH) && !defined(__EMSCRIPTEN__)
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glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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#endif
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, waterfall_width, waterfall_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, waterfall_data);
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ImGui_ImplOpenGL3_NewFrame();
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ImGui_ImplGlfw_NewFrame();
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ImGui::NewFrame();
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ImGui::SetNextWindowPos(ImVec2(0.0f, 0.0f));
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ImGui::SetNextWindowSize(io.DisplaySize);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
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ImGui::Begin("microsa", nullptr, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoResize);
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ImGui::BeginTable("microsa", 2, ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_Resizable);
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ImGui::TableSetupColumn("", 0, 280.0);
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ImGui::TableSetupColumn("", 0, 1600.0);
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ImGui::TableNextColumn();
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if(ImGui::Button("Exit"))
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exit = true;
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ImGui::TableNextColumn();
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ImGui::Image((void*)(intptr_t)waterfall, ImVec2(waterfall_width, waterfall_height));
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ImGui::EndTable();
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ImGui::End();
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ImGui::PopStyleVar(1);
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// Rendering
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ImGui::Render();
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ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
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int display_w, display_h;
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glfwGetFramebufferSize(window, &display_w, &display_h);
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glViewport(0, 0, display_w, display_h);
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glfwSwapBuffers(window);
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}
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ImGui_ImplOpenGL3_Shutdown();
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ImGui_ImplGlfw_Shutdown();
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ImGui::DestroyContext();
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glfwDestroyWindow(window);
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glfwTerminate();
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return 0;
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}
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