FUnorderedAccessViewRHIRef FD3D11DynamicRHI::RHICreateUnorderedAccessView(FTextureRHIParamRef TextureRHI)
{
FD3D11TextureBase* Texture = GetD3D11TextureFromRHITexture(TextureRHI);
D3D11_UNORDERED_ACCESS_VIEW_DESC UAVDesc;
if (TextureRHI->GetTexture3D() != NULL)
{
FD3D11Texture3D* Texture3D = (FD3D11Texture3D*)Texture;
UAVDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE3D;
UAVDesc.Texture3D.MipSlice = 0;
UAVDesc.Texture3D.FirstWSlice = 0;
UAVDesc.Texture3D.WSize = Texture3D->GetSizeZ();
}
else
{
UAVDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE2D;
UAVDesc.Texture2D.MipSlice = 0;
}
UAVDesc.Format = FindShaderResourceDXGIFormat((DXGI_FORMAT)GPixelFormats[TextureRHI->GetFormat()].PlatformFormat, false);
TRefCountPtr<ID3D11UnorderedAccessView> UnorderedAccessView;
VERIFYD3D11RESULT(Direct3DDevice->CreateUnorderedAccessView(Texture->GetResource(),&UAVDesc,(ID3D11UnorderedAccessView**)UnorderedAccessView.GetInitReference()));
return new FD3D11UnorderedAccessView(UnorderedAccessView,Texture);
}
void FD3D11UniformBuffer::CacheResourcesInternal()
{
const FRHIUniformBufferLayout& Layout = GetLayout();
int32 NumResources = Layout.Resources.Num();
const uint8* RESTRICT ResourceTypes = Layout.Resources.GetData();
const TRefCountPtr<FRHIResource>* RESTRICT Resources = ResourceTable.GetData();
FResourcePair* RESTRICT RawResources = RawResourceTable.GetData();
float CurrentTime = FApp::GetCurrentTime();
// todo: Immutable resources, i.e. not textures, can be safely cached across frames.
// Texture streaming makes textures complicated :)
for (int32 i = 0; i < NumResources; ++i)
{
switch (ResourceTypes[i])
{
case UBMT_SRV:
{
FD3D11ShaderResourceView* ShaderResourceViewRHI = (FD3D11ShaderResourceView*)Resources[i].GetReference();
RawResources[i].ShaderResource = ShaderResourceViewRHI->Resource.GetReference();
RawResources[i].D3D11Resource = (IUnknown*)ShaderResourceViewRHI->View.GetReference();
}
break;
case UBMT_TEXTURE:
{
// todo: this does multiple virtual function calls to find the right type to cast to
// this is due to multiple inheritance nastiness, NEEDS CLEANUP
FRHITexture* TextureRHI = (FRHITexture*)Resources[i].GetReference();
TextureRHI->SetLastRenderTime(CurrentTime);
FD3D11TextureBase* TextureD3D11 = GetD3D11TextureFromRHITexture(TextureRHI);
RawResources[i].ShaderResource = TextureD3D11->GetBaseShaderResource();
RawResources[i].D3D11Resource = (IUnknown*)TextureD3D11->GetShaderResourceView();
}
break;
case UBMT_UAV:
RawResources[i].ShaderResource = NULL;
RawResources[i].D3D11Resource = NULL;
check(0);
break;
case UBMT_SAMPLER:
RawResources[i].ShaderResource = NULL;
RawResources[i].D3D11Resource = (IUnknown*)((FD3D11SamplerState*)Resources[i].GetReference())->Resource.GetReference();
break;
default:
check(0);
break;
}
}
}
FUnorderedAccessViewRHIRef FD3D11DynamicRHI::RHICreateUnorderedAccessView(FTextureRHIParamRef TextureRHI, uint32 MipLevel)
{
FD3D11TextureBase* Texture = GetD3D11TextureFromRHITexture(TextureRHI);
D3D11_UNORDERED_ACCESS_VIEW_DESC UAVDesc;
if (TextureRHI->GetTexture3D() != NULL)
{
FD3D11Texture3D* Texture3D = (FD3D11Texture3D*)Texture;
UAVDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE3D;
UAVDesc.Texture3D.MipSlice = MipLevel;
UAVDesc.Texture3D.FirstWSlice = 0;
UAVDesc.Texture3D.WSize = Texture3D->GetSizeZ() >> MipLevel;
}
FUnorderedAccessViewRHIRef FD3D12DynamicRHI::RHICreateUnorderedAccessView(FTextureRHIParamRef TextureRHI, uint32 MipLevel)
{
FD3D12TextureBase* Texture = GetD3D11TextureFromRHITexture(TextureRHI);
D3D12_UNORDERED_ACCESS_VIEW_DESC UAVDesc ={};
const DXGI_FORMAT PlatformResourceFormat = (DXGI_FORMAT)GPixelFormats[TextureRHI->GetFormat()].PlatformFormat;
UAVDesc.Format = FindShaderResourceDXGIFormat(PlatformResourceFormat, false);
if (TextureRHI->GetTexture3D() != NULL)
{
FD3D12Texture3D* Texture3D = (FD3D12Texture3D*)Texture;
UAVDesc.ViewDimension = D3D12_UAV_DIMENSION_TEXTURE3D;
UAVDesc.Texture3D.MipSlice = MipLevel;
UAVDesc.Texture3D.FirstWSlice = 0;
UAVDesc.Texture3D.WSize = Texture3D->GetSizeZ() >> MipLevel;
}
