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gpu: Add SDL_QueryGPUSupport

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This commit is contained in:
Ethan Lee 2024-09-13 13:23:55 -04:00
parent 262ffa27e7
commit 0160e9eac6
5 changed files with 115 additions and 45 deletions
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122
src/gpu/SDL_gpu.c
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@ -371,12 +371,41 @@ void SDL_GPU_BlitCommon(
// Driver Functions
#ifndef SDL_GPU_DISABLED
static const SDL_GPUBootstrap * SDL_GPUSelectBackend(
SDL_VideoDevice *_this,
const char *gpudriver,
SDL_GPUShaderFormat format_flags)
static const SDL_GPUBootstrap * SDL_GPUSelectBackend(SDL_PropertiesID props)
{
Uint32 i;
SDL_GPUShaderFormat format_flags = 0;
const char *gpudriver;
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this == NULL) {
SDL_SetError("Video subsystem not initialized");
return NULL;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_PRIVATE_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_PRIVATE;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_SPIRV_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_SPIRV;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_DXBC_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_DXBC;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_DXIL_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_DXIL;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_MSL_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_MSL;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_METALLIB_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_METALLIB;
}
gpudriver = SDL_GetHint(SDL_HINT_GPU_DRIVER);
if (gpudriver == NULL) {
gpudriver = SDL_GetStringProperty(props, SDL_PROP_GPU_DEVICE_CREATE_NAME_STRING, NULL);
}
// Environment/Properties override...
if (gpudriver != NULL) {
@ -411,14 +440,12 @@ static const SDL_GPUBootstrap * SDL_GPUSelectBackend(
}
#endif // SDL_GPU_DISABLED
SDL_GPUDevice *SDL_CreateGPUDevice(
static void SDL_GPU_FillProperties(
SDL_PropertiesID props,
SDL_GPUShaderFormat format_flags,
SDL_bool debug_mode,
const char *name)
{
#ifndef SDL_GPU_DISABLED
SDL_GPUDevice *result;
SDL_PropertiesID props = SDL_CreateProperties();
if (format_flags & SDL_GPU_SHADERFORMAT_PRIVATE) {
SDL_SetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_PRIVATE_BOOL, true);
}
@ -439,6 +466,44 @@ SDL_GPUDevice *SDL_CreateGPUDevice(
}
SDL_SetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_DEBUGMODE_BOOL, debug_mode);
SDL_SetStringProperty(props, SDL_PROP_GPU_DEVICE_CREATE_NAME_STRING, name);
}
SDL_bool SDL_QueryGPUSupport(
SDL_GPUShaderFormat format_flags,
const char *name)
{
#ifndef SDL_GPU_DISABLED
bool result;
SDL_PropertiesID props = SDL_CreateProperties();
SDL_GPU_FillProperties(props, format_flags, SDL_FALSE, name);
result = SDL_QueryGPUSupportWithProperties(props);
SDL_DestroyProperties(props);
return result;
#else
SDL_SetError("SDL not built with GPU support");
return SDL_FALSE;
#endif
}
SDL_bool SDL_QueryGPUSupportWithProperties(SDL_PropertiesID props)
{
#ifndef SDL_GPU_DISABLED
return (SDL_GPUSelectBackend(props) != NULL);
#else
SDL_SetError("SDL not built with GPU support");
return SDL_FALSE;
#endif
}
SDL_GPUDevice *SDL_CreateGPUDevice(
SDL_GPUShaderFormat format_flags,
SDL_bool debug_mode,
const char *name)
{
#ifndef SDL_GPU_DISABLED
SDL_GPUDevice *result;
SDL_PropertiesID props = SDL_CreateProperties();
SDL_GPU_FillProperties(props, format_flags, debug_mode, name);
result = SDL_CreateGPUDeviceWithProperties(props);
SDL_DestroyProperties(props);
return result;
@ -451,49 +516,16 @@ SDL_GPUDevice *SDL_CreateGPUDevice(
SDL_GPUDevice *SDL_CreateGPUDeviceWithProperties(SDL_PropertiesID props)
{
#ifndef SDL_GPU_DISABLED
SDL_GPUShaderFormat format_flags = 0;
bool debug_mode;
bool preferLowPower;
const char *gpudriver;
SDL_GPUDevice *result = NULL;
const SDL_GPUBootstrap *selectedBackend;
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this == NULL) {
SDL_SetError("Video subsystem not initialized");
return NULL;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_PRIVATE_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_PRIVATE;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_SPIRV_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_SPIRV;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_DXBC_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_DXBC;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_DXIL_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_DXIL;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_MSL_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_MSL;
}
if (SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_METALLIB_BOOL, false)) {
format_flags |= SDL_GPU_SHADERFORMAT_METALLIB;
}
debug_mode = SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_DEBUGMODE_BOOL, true);
preferLowPower = SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_PREFERLOWPOWER_BOOL, false);
gpudriver = SDL_GetHint(SDL_HINT_GPU_DRIVER);
if (gpudriver == NULL) {
gpudriver = SDL_GetStringProperty(props, SDL_PROP_GPU_DEVICE_CREATE_NAME_STRING, NULL);
}
selectedBackend = SDL_GPUSelectBackend(_this, gpudriver, format_flags);
selectedBackend = SDL_GPUSelectBackend(props);
if (selectedBackend != NULL) {
debug_mode = SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_DEBUGMODE_BOOL, true);
preferLowPower = SDL_GetBooleanProperty(props, SDL_PROP_GPU_DEVICE_CREATE_PREFERLOWPOWER_BOOL, false);
result = selectedBackend->CreateDevice(debug_mode, preferLowPower, props);
if (result != NULL) {
result->backend = selectedBackend->name;