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Added support for using the GPU renderer as an offscreen renderer

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SDL_CreateGPURenderer() now allows passing in an existing GPU device and passing in a NULL window to create an offscreen renderer.

Also renamed SDL_SetRenderGPUState() to SDL_SetGPURenderState().
This commit is contained in:
Sam Lantinga
2025-10-01 14:36:56 -07:00
parent 9461db1ec8
commit a864dcac25
36 changed files with 2390 additions and 3981 deletions
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8
test/testgpurender_msdf.c
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@@ -167,7 +167,7 @@ static bool InitGPURenderState(void)
SDL_GPURenderStateCreateInfo createinfo;
MSDFShaderUniforms uniforms;
device = (SDL_GPUDevice *)SDL_GetPointerProperty(SDL_GetRendererProperties(renderer), SDL_PROP_RENDERER_GPU_DEVICE_POINTER, NULL);
device = SDL_GetGPURendererDevice(renderer);
if (!device) {
SDL_Log("Couldn't get GPU device");
return false;
@@ -255,7 +255,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
renderer = SDL_CreateRenderer(window, "gpu");
renderer = SDL_CreateRenderer(window, SDL_GPU_RENDERER);
if (!renderer) {
SDL_Log("Couldn't create renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
@@ -300,9 +300,9 @@ SDL_AppResult SDL_AppIterate(void *appstate)
SDL_GetCurrentRenderOutputSize(renderer, &output_width, &output_height);
x = (output_width - text_width) / 2;
y = (output_height - text_height) / 2;
SDL_SetRenderGPUState(renderer, render_state);
SDL_SetGPURenderState(renderer, render_state);
RenderText("Hello World!", text_height, x, y);
SDL_SetRenderGPUState(renderer, NULL);
SDL_SetGPURenderState(renderer, NULL);
SDL_RenderPresent(renderer);