Check for Typed UAV Load Additional Formats capability when creating D3D12 device.

drivers/d3d12/rendering_device_driver_d3d12.cpp

@@ -6238,7 +6238,7 @@ uint64_t RenderingDeviceDriverD3D12::api_trait_get(ApiTrait p_trait) {
 bool RenderingDeviceDriverD3D12::has_feature(Features p_feature) {
 	switch (p_feature) {
 		case SUPPORTS_HALF_FLOAT:
-			return shader_capabilities.native_16bit_ops && storage_buffer_capabilities.storage_buffer_16_bit_access_is_supported;
+			return shader_capabilities.native_16bit_ops;
 		case SUPPORTS_FRAGMENT_SHADER_WITH_ONLY_SIDE_EFFECTS:
 			return true;
 		case SUPPORTS_BUFFER_DEVICE_ADDRESS:
@@ -6468,7 +6468,6 @@ Error RenderingDeviceDriverD3D12::_check_capabilities() {
 	subgroup_capabilities.wave_ops_supported = false;
 	shader_capabilities.shader_model = (D3D_SHADER_MODEL)0;
 	shader_capabilities.native_16bit_ops = false;
-	storage_buffer_capabilities.storage_buffer_16_bit_access_is_supported = false;
 	format_capabilities.relaxed_casting_supported = false;
 
 	{
@@ -6509,9 +6508,8 @@ Error RenderingDeviceDriverD3D12::_check_capabilities() {
 
 	D3D12_FEATURE_DATA_D3D12_OPTIONS options = {};
 	res = device->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS, &options, sizeof(options));
-	if (SUCCEEDED(res)) {
-		storage_buffer_capabilities.storage_buffer_16_bit_access_is_supported = options.TypedUAVLoadAdditionalFormats;
-	}
+	ERR_FAIL_COND_V_MSG(!SUCCEEDED(res), ERR_UNAVAILABLE, "CheckFeatureSupport failed with error " + vformat("0x%08ux", (uint64_t)res) + ".");
+	ERR_FAIL_COND_V_MSG(!options.TypedUAVLoadAdditionalFormats, ERR_UNAVAILABLE, "No support for Typed UAV Load Additional Formats has been found.");
 
 	D3D12_FEATURE_DATA_D3D12_OPTIONS1 options1 = {};
 	res = device->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS1, &options1, sizeof(options1));

drivers/d3d12/rendering_device_driver_d3d12.h

@@ -109,10 +109,6 @@ class RenderingDeviceDriverD3D12 : public RenderingDeviceDriver {
 		bool native_16bit_ops = false;
 	};
 
-	struct StorageBufferCapabilities {
-		bool storage_buffer_16_bit_access_is_supported = false;
-	};
-
 	struct FormatCapabilities {
 		bool relaxed_casting_supported = false;
 	};
@@ -138,7 +134,6 @@ class RenderingDeviceDriverD3D12 : public RenderingDeviceDriver {
 	FragmentShadingRateCapabilities fsr_capabilities;
 	FragmentDensityMapCapabilities fdm_capabilities;
 	ShaderCapabilities shader_capabilities;
-	StorageBufferCapabilities storage_buffer_capabilities;
 	FormatCapabilities format_capabilities;
 	BarrierCapabilities barrier_capabilities;
 	MiscFeaturesSupport misc_features_support;