Exemplo n.º 1
0
FVelocityDrawingPolicy::FVelocityDrawingPolicy(
	const FVertexFactory* InVertexFactory,
	const FMaterialRenderProxy* InMaterialRenderProxy,
	const FMaterial& InMaterialResource,
	ERHIFeatureLevel::Type InFeatureLevel
	)
	:	FMeshDrawingPolicy(InVertexFactory,InMaterialRenderProxy,InMaterialResource)	
{
	const FMaterialShaderMap* MaterialShaderIndex = InMaterialResource.GetRenderingThreadShaderMap();
	const FMeshMaterialShaderMap* MeshShaderIndex = MaterialShaderIndex->GetMeshShaderMap(InVertexFactory->GetType());

	HullShader = NULL;
	DomainShader = NULL;

	const EMaterialTessellationMode MaterialTessellationMode = InMaterialResource.GetTessellationMode();
	if (RHISupportsTessellation(GShaderPlatformForFeatureLevel[InFeatureLevel])
		&& InVertexFactory->GetType()->SupportsTessellationShaders() 
		&& MaterialTessellationMode != MTM_NoTessellation)
	{
		bool HasHullShader = MeshShaderIndex->HasShader(&FVelocityHS::StaticType);
		bool HasDomainShader = MeshShaderIndex->HasShader(&FVelocityDS::StaticType);

		HullShader = HasHullShader ? MeshShaderIndex->GetShader<FVelocityHS>() : NULL;
		DomainShader = HasDomainShader ? MeshShaderIndex->GetShader<FVelocityDS>() : NULL;
	}

	bool HasVertexShader = MeshShaderIndex->HasShader(&FVelocityVS::StaticType);
	VertexShader = HasVertexShader ? MeshShaderIndex->GetShader<FVelocityVS>() : NULL;

	bool HasPixelShader = MeshShaderIndex->HasShader(&FVelocityPS::StaticType);
	PixelShader = HasPixelShader ? MeshShaderIndex->GetShader<FVelocityPS>() : NULL;
}
Exemplo n.º 2
0
FDepthDrawingPolicy::FDepthDrawingPolicy(
	const FVertexFactory* InVertexFactory,
	const FMaterialRenderProxy* InMaterialRenderProxy,
	const FMaterial& InMaterialResource,
	bool bIsTwoSided,
	ERHIFeatureLevel::Type InFeatureLevel
	):
	FMeshDrawingPolicy(InVertexFactory,InMaterialRenderProxy,InMaterialResource,false,/*bInTwoSidedOverride=*/ bIsTwoSided)
{
	// The primitive needs to be rendered with the material's pixel and vertex shaders if it is masked
	bNeedsPixelShader = false;
	if (InMaterialResource.IsMasked())
	{
		bNeedsPixelShader = true;
		PixelShader = InMaterialResource.GetShader<FDepthOnlyPS>(InVertexFactory->GetType());
	}
	else
	{
		PixelShader = NULL;
	}

	const EMaterialTessellationMode TessellationMode = InMaterialResource.GetTessellationMode();
	VertexShader = NULL;

	HullShader = NULL;	
	DomainShader = NULL;

	if (RHISupportsTessellation(GShaderPlatformForFeatureLevel[InFeatureLevel])
		&& InVertexFactory->GetType()->SupportsTessellationShaders() 
		&& TessellationMode != MTM_NoTessellation)
	{
		VertexShader = InMaterialResource.GetShader<TDepthOnlyVS<false> >(VertexFactory->GetType());
		HullShader = InMaterialResource.GetShader<FDepthOnlyHS>(VertexFactory->GetType());
		DomainShader = InMaterialResource.GetShader<FDepthOnlyDS>(VertexFactory->GetType());
	}
	else
	{
		VertexShader = InMaterialResource.GetShader<TDepthOnlyVS<false> >(InVertexFactory->GetType());
	}

}