GPU: Update to set supported shader formats inside CreateDevice

(cherry picked from commit 8289656a4e)

src/gpu/SDL_gpu.c

@@ -672,7 +672,6 @@ SDL_GPUDevice *SDL_CreateGPUDeviceWithProperties(SDL_PropertiesID props)
         result = selectedBackend->CreateDevice(debug_mode, preferLowPower, props);
         if (result != NULL) {
             result->backend = selectedBackend->name;
-            result->shader_formats = selectedBackend->shader_formats;
             result->debug_mode = debug_mode;
         }
     }

src/gpu/d3d12/SDL_gpu_d3d12.c

@@ -9159,8 +9159,23 @@ static SDL_GPUDevice *D3D12_CreateDevice(bool debugMode, bool preferLowPower, SD
         return NULL;
     }
 
+    SDL_GPUShaderFormat shaderFormats = SDL_GPU_SHADERFORMAT_DXBC;
+
+    D3D12_FEATURE_DATA_SHADER_MODEL shaderModel;
+    shaderModel.HighestShaderModel = D3D_SHADER_MODEL_6_0;
+
+    res = ID3D12Device_CheckFeatureSupport(
+        renderer->device,
+        D3D12_FEATURE_SHADER_MODEL,
+        &shaderModel,
+        sizeof(shaderModel));
+    if (SUCCEEDED(res) && shaderModel.HighestShaderModel >= D3D_SHADER_MODEL_6_0) {
+        shaderFormats |= SDL_GPU_SHADERFORMAT_DXIL;
+    }
+
     ASSIGN_DRIVER(D3D12)
     result->driverData = (SDL_GPURenderer *)renderer;
+    result->shader_formats = shaderFormats;
     result->debug_mode = debugMode;
     renderer->sdlGPUDevice = result;
 

src/gpu/metal/SDL_gpu_metal.m

@@ -4570,6 +4570,7 @@ static SDL_GPUDevice *METAL_CreateDevice(bool debugMode, bool preferLowPower, SD
         SDL_GPUDevice *result = SDL_calloc(1, sizeof(SDL_GPUDevice));
         ASSIGN_DRIVER(METAL)
         result->driverData = (SDL_GPURenderer *)renderer;
+        result->shader_formats = SDL_GPU_SHADERFORMAT_MSL | SDL_GPU_SHADERFORMAT_METALLIB;
         renderer->sdlGPUDevice = result;
 
         return result;

src/gpu/vulkan/SDL_gpu_vulkan.c

@@ -11693,6 +11693,7 @@ static SDL_GPUDevice *VULKAN_CreateDevice(bool debugMode, bool preferLowPower, S
     ASSIGN_DRIVER(VULKAN)
 
     result->driverData = (SDL_GPURenderer *)renderer;
+    result->shader_formats = SDL_GPU_SHADERFORMAT_SPIRV;
 
     /*
      * Create initial swapchain array