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backends_test for 1.92.0

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This commit is contained in:
sonoro1234
2025-06-27 11:40:08 +02:00
parent 85d6d12ec6 63e6dd0ef3
commit 439e8073c2
5 changed files with 65 additions and 14 deletions
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18
backend_test/example_sdlgpu3/main.c
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@@ -13,18 +13,22 @@
#define igGetIO igGetIO_Nil
int main() {
if (!SDL_Init(SDL_INIT_VIDEO)) {
if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMEPAD)) {
fprintf(stderr, "Failed to init video! %s", SDL_GetError());
return 1;
};
SDL_Window *window = NULL;
window = SDL_CreateWindow("cimgui SDL3+SDL_GPU example", 1280, 720, SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIGH_PIXEL_DENSITY);
float main_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
SDL_WindowFlags window_flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY;
SDL_Window* window = NULL;
window = SDL_CreateWindow("Dear ImGui SDL3+SDL_GPU example", (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
if (window == NULL)
{
printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());
return -1;
}
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
SDL_ShowWindow(window);
// Create GPU Device
SDL_GPUDevice* gpu_device = SDL_CreateGPUDevice(SDL_GPU_SHADERFORMAT_SPIRV | SDL_GPU_SHADERFORMAT_DXIL | SDL_GPU_SHADERFORMAT_METALLIB,true,NULL);
@@ -52,6 +56,12 @@ int main() {
// Setup Dear ImGui style
igStyleColorsDark(NULL);
//igStyleColorsLight(NULL);
// Setup scaling
ImGuiStyle* style = igGetStyle();
ImGuiStyle_ScaleAllSizes(style, main_scale); // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
style->FontScaleDpi = main_scale; // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
io->ConfigDpiScaleFonts = true; // [Experimental] Automatically overwrite style.FontScaleDpi in Begin() when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
io->ConfigDpiScaleViewports = true; // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
// Setup Platform/Renderer backends
ImGui_ImplSDL3_InitForSDLGPU(window);
@@ -158,7 +168,7 @@ int main() {
if (swapchain_texture != NULL && !is_minimized)
{
// This is mandatory: call Imgui_ImplSDLGPU3_PrepareDrawData() to upload the vertex/index buffer!
Imgui_ImplSDLGPU3_PrepareDrawData(draw_data, command_buffer);
ImGui_ImplSDLGPU3_PrepareDrawData(draw_data, command_buffer);
// Setup and start a render pass
SDL_GPUColorTargetInfo target_info ;//= {};