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gpu: Implement support for SDL_GPU_DISABLED

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This commit is contained in:
Ethan Lee 2024-09-13 10:15:35 -04:00
parent d3932b1ba2
commit 371cfaf8fe
2 changed files with 15 additions and 0 deletions
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1
include/build_config/SDL_build_config.h.cmake
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@ -263,6 +263,7 @@
#cmakedefine SDL_VIDEO_DISABLED @SDL_VIDEO_DISABLED@ #cmakedefine SDL_VIDEO_DISABLED @SDL_VIDEO_DISABLED@
#cmakedefine SDL_POWER_DISABLED @SDL_POWER_DISABLED@ #cmakedefine SDL_POWER_DISABLED @SDL_POWER_DISABLED@
#cmakedefine SDL_CAMERA_DISABLED @SDL_CAMERA_DISABLED@ #cmakedefine SDL_CAMERA_DISABLED @SDL_CAMERA_DISABLED@
#cmakedefine SDL_GPU_DISABLED @SDL_GPU_DISABLED@
/* Enable various audio drivers */ /* Enable various audio drivers */
#cmakedefine SDL_AUDIO_DRIVER_ALSA @SDL_AUDIO_DRIVER_ALSA@ #cmakedefine SDL_AUDIO_DRIVER_ALSA @SDL_AUDIO_DRIVER_ALSA@

14
src/gpu/SDL_gpu.c
View file

@ -150,6 +150,7 @@
// Drivers // Drivers
#ifndef SDL_GPU_DISABLED
static const SDL_GPUBootstrap *backends[] = { static const SDL_GPUBootstrap *backends[] = {
#ifdef SDL_GPU_METAL #ifdef SDL_GPU_METAL
&MetalDriver, &MetalDriver,
@ -165,6 +166,7 @@ static const SDL_GPUBootstrap *backends[] = {
#endif #endif
NULL NULL
}; };
#endif // SDL_GPU_DISABLED
// Internal Utility Functions // Internal Utility Functions
@ -368,6 +370,7 @@ void SDL_GPU_BlitCommon(
// Driver Functions // Driver Functions
#ifndef SDL_GPU_DISABLED
static SDL_GPUDriver SDL_GPUSelectBackend( static SDL_GPUDriver SDL_GPUSelectBackend(
SDL_VideoDevice *_this, SDL_VideoDevice *_this,
const char *gpudriver, const char *gpudriver,
@ -406,12 +409,14 @@ static SDL_GPUDriver SDL_GPUSelectBackend(
SDL_LogError(SDL_LOG_CATEGORY_GPU, "No supported SDL_GPU backend found!"); SDL_LogError(SDL_LOG_CATEGORY_GPU, "No supported SDL_GPU backend found!");
return SDL_GPU_DRIVER_INVALID; return SDL_GPU_DRIVER_INVALID;
} }
#endif // SDL_GPU_DISABLED
SDL_GPUDevice *SDL_CreateGPUDevice( SDL_GPUDevice *SDL_CreateGPUDevice(
SDL_GPUShaderFormat format_flags, SDL_GPUShaderFormat format_flags,
SDL_bool debug_mode, SDL_bool debug_mode,
const char *name) const char *name)
{ {
#ifndef SDL_GPU_DISABLED
SDL_GPUDevice *result; SDL_GPUDevice *result;
SDL_PropertiesID props = SDL_CreateProperties(); SDL_PropertiesID props = SDL_CreateProperties();
if (format_flags & SDL_GPU_SHADERFORMAT_PRIVATE) { if (format_flags & SDL_GPU_SHADERFORMAT_PRIVATE) {
@ -437,10 +442,15 @@ SDL_GPUDevice *SDL_CreateGPUDevice(
result = SDL_CreateGPUDeviceWithProperties(props); result = SDL_CreateGPUDeviceWithProperties(props);
SDL_DestroyProperties(props); SDL_DestroyProperties(props);
return result; return result;
#else
SDL_SetError("SDL not built with GPU support");
return NULL;
#endif // SDL_GPU_DISABLED
} }
SDL_GPUDevice *SDL_CreateGPUDeviceWithProperties(SDL_PropertiesID props) SDL_GPUDevice *SDL_CreateGPUDeviceWithProperties(SDL_PropertiesID props)
{ {
#ifndef SDL_GPU_DISABLED
SDL_GPUShaderFormat format_flags = 0; SDL_GPUShaderFormat format_flags = 0;
bool debug_mode; bool debug_mode;
bool preferLowPower; bool preferLowPower;
@ -498,6 +508,10 @@ SDL_GPUDevice *SDL_CreateGPUDeviceWithProperties(SDL_PropertiesID props)
} }
} }
return result; return result;
#else
SDL_SetError("SDL not built with GPU support");
return NULL;
#endif // SDL_GPU_DISABLED
} }
void SDL_DestroyGPUDevice(SDL_GPUDevice *device) void SDL_DestroyGPUDevice(SDL_GPUDevice *device)