本文整理汇总了C++中FMaterial::GetFeatureLevel方法的典型用法代码示例。如果您正苦于以下问题：C++ FMaterial::GetFeatureLevel方法的具体用法？C++ FMaterial::GetFeatureLevel怎么用？C++ FMaterial::GetFeatureLevel使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FMaterial的用法示例。
在下文中一共展示了FMaterial::GetFeatureLevel方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SetParameters
void FMaterialShader::SetParameters(
FRHICommandList& RHICmdList,
const ShaderRHIParamRef ShaderRHI,
const FMaterialRenderProxy* MaterialRenderProxy,
const FMaterial& Material,
const FSceneView& View,
bool bDeferredPass,
ESceneRenderTargetsMode::Type TextureMode)
{
ERHIFeatureLevel::Type FeatureLevel = View.GetFeatureLevel();
FUniformExpressionCache TempUniformExpressionCache;
const FUniformExpressionCache* UniformExpressionCache = &MaterialRenderProxy->UniformExpressionCache[FeatureLevel];
SetParameters(RHICmdList, ShaderRHI, View);
// If the material has cached uniform expressions for selection or hover
// and that is being overridden by show flags in the editor, recache
// expressions for this draw call.
const bool bOverrideSelection =
GIsEditor &&
!View.Family->EngineShowFlags.Selection &&
(MaterialRenderProxy->IsSelected() || MaterialRenderProxy->IsHovered());
if (!bAllowCachedUniformExpressions || !UniformExpressionCache->bUpToDate || bOverrideSelection)
{
FMaterialRenderContext MaterialRenderContext(MaterialRenderProxy, Material, &View);
MaterialRenderProxy->EvaluateUniformExpressions(TempUniformExpressionCache, MaterialRenderContext, &RHICmdList);
UniformExpressionCache = &TempUniformExpressionCache;
}
check(Material.GetRenderingThreadShaderMap());
check(Material.GetRenderingThreadShaderMap()->IsValidForRendering());
check(Material.GetFeatureLevel() == FeatureLevel);
// Validate that the shader is being used for a material that matches the uniform expression set the shader was compiled for.
const FUniformExpressionSet& MaterialUniformExpressionSet = Material.GetRenderingThreadShaderMap()->GetUniformExpressionSet();
#if NO_LOGGING == 0
const bool bUniformExpressionSetMismatch = !DebugUniformExpressionSet.Matches(MaterialUniformExpressionSet)
|| UniformExpressionCache->CachedUniformExpressionShaderMap != Material.GetRenderingThreadShaderMap();
if (bUniformExpressionSetMismatch)
{
UE_LOG(
LogShaders,
Fatal,
TEXT("%s shader uniform expression set mismatch for material %s/%s.\n")
TEXT("Shader compilation info: %s\n")
TEXT("Material render proxy compilation info: %s\n")
TEXT("Shader uniform expression set: %u vectors, %u scalars, %u 2D textures, %u cube textures, %u scalars/frame, %u vectors/frame, shader map %p\n")
TEXT("Material uniform expression set: %u vectors, %u scalars, %u 2D textures, %u cube textures, %u scalars/frame, %u vectors/frame, shader map %p\n"),
GetType()->GetName(),
*MaterialRenderProxy->GetFriendlyName(),
*Material.GetFriendlyName(),
*DebugDescription,
*Material.GetRenderingThreadShaderMap()->GetDebugDescription(),
DebugUniformExpressionSet.NumVectorExpressions,
DebugUniformExpressionSet.NumScalarExpressions,
DebugUniformExpressionSet.Num2DTextureExpressions,
DebugUniformExpressionSet.NumCubeTextureExpressions,
DebugUniformExpressionSet.NumPerFrameScalarExpressions,
DebugUniformExpressionSet.NumPerFrameVectorExpressions,
UniformExpressionCache->CachedUniformExpressionShaderMap,
MaterialUniformExpressionSet.UniformVectorExpressions.Num(),
MaterialUniformExpressionSet.UniformScalarExpressions.Num(),
MaterialUniformExpressionSet.Uniform2DTextureExpressions.Num(),
MaterialUniformExpressionSet.UniformCubeTextureExpressions.Num(),
MaterialUniformExpressionSet.PerFrameUniformScalarExpressions.Num(),
MaterialUniformExpressionSet.PerFrameUniformVectorExpressions.Num(),
Material.GetRenderingThreadShaderMap()
);
}
#endif
if (UniformExpressionCache->LocalUniformBuffer.IsValid())
{
// Set the material uniform buffer.
SetLocalUniformBufferParameter(RHICmdList, ShaderRHI, MaterialUniformBuffer, UniformExpressionCache->LocalUniformBuffer);
}
else
{
// Set the material uniform buffer.
SetUniformBufferParameter(RHICmdList, ShaderRHI, MaterialUniformBuffer, UniformExpressionCache->UniformBuffer);
}
{
const TArray<FGuid>& ParameterCollections = UniformExpressionCache->ParameterCollections;
const int32 ParameterCollectionsNum = ParameterCollections.Num();
check(ParameterCollectionUniformBuffers.Num() >= ParameterCollectionsNum);
// Find each referenced parameter collection's uniform buffer in the scene and set the parameter
for (int32 CollectionIndex = 0; CollectionIndex < ParameterCollectionsNum; CollectionIndex++)
{
FUniformBufferRHIParamRef UniformBuffer = GetParameterCollectionBuffer(ParameterCollections[CollectionIndex], View.Family->Scene);
SetUniformBufferParameter(RHICmdList, ShaderRHI,ParameterCollectionUniformBuffers[CollectionIndex],UniformBuffer);
}
}
//.........这里部分代码省略.........