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());
}
}
