void FDeferredShadingSceneRenderer::RenderVisualizeTexturePool()
{
TRefCountPtr<IPooledRenderTarget> VisualizeTexturePool;
/** Resolution for the texture pool visualizer texture. */
enum
{
TexturePoolVisualizerSizeX = 280,
TexturePoolVisualizerSizeY = 140,
};
FPooledRenderTargetDesc Desc(FPooledRenderTargetDesc::Create2DDesc(FIntPoint(TexturePoolVisualizerSizeX, TexturePoolVisualizerSizeY), PF_B8G8R8A8, TexCreate_None, TexCreate_None, false));
GRenderTargetPool.FindFreeElement(Desc, VisualizeTexturePool, TEXT("VisualizeTexturePool"));
uint32 Pitch;
FColor* TextureData = (FColor*)RHILockTexture2D((FTexture2DRHIRef&)VisualizeTexturePool->GetRenderTargetItem().ShaderResourceTexture, 0, RLM_WriteOnly, Pitch, false );
if(TextureData)
{
// clear with grey to get reliable background color
FMemory::Memset(TextureData, 0x88, TexturePoolVisualizerSizeX * TexturePoolVisualizerSizeY * 4);
RHIGetTextureMemoryVisualizeData(TextureData, TexturePoolVisualizerSizeX, TexturePoolVisualizerSizeY, Pitch, 4096);
}
RHIUnlockTexture2D((FTexture2DRHIRef&)VisualizeTexturePool->GetRenderTargetItem().ShaderResourceTexture, 0, false);
FIntPoint RTExtent = GSceneRenderTargets.GetBufferSizeXY();
FVector2D Tex00 = FVector2D(0, 0);
FVector2D Tex11 = FVector2D(1, 1);
//todo VisualizeTexture(*VisualizeTexturePool, ViewFamily.RenderTarget, FIntRect(0, 0, RTExtent.X, RTExtent.Y), RTExtent, 1.0f, 0.0f, 0.0f, Tex00, Tex11, 1.0f, false);
}
void FMediaTextureResource::UpdateDeferredResource(FRHICommandListImmediate& RHICmdList, bool bClearRenderTarget/*=true*/)
{
FTimespan CurrentFrameTime = VideoBuffer->GetCurrentSampleTime();
TSharedPtr<TArray<uint8>, ESPMode::ThreadSafe> CurrentFrame = VideoBuffer->GetCurrentSample();
if (CurrentFrame.IsValid())
{
// draw the latest video frame
if (CurrentFrameTime != LastFrameTime)
{
uint32 Stride = 0;
FRHITexture2D* Texture2D = TextureRHI->GetTexture2D();
uint8* TextureBuffer = (uint8*)RHILockTexture2D(Texture2D, 0, RLM_WriteOnly, Stride, false);
FMemory::Memcpy(TextureBuffer, CurrentFrame->GetData(), CurrentFrame->Num());
RHIUnlockTexture2D(Texture2D, 0, false);
LastFrameTime = CurrentFrameTime;
Cleared = false;
}
}
else if (!Cleared || (LastClearColor != Owner->ClearColor))
{
// clear texture if video track selected
FRHICommandListImmediate& CommandList = FRHICommandListExecutor::GetImmediateCommandList();
SetRenderTarget(CommandList, RenderTargetTextureRHI, FTextureRHIRef());
CommandList.SetViewport(0, 0, 0.0f, Owner->GetSurfaceWidth(), Owner->GetSurfaceHeight(), 1.0f);
CommandList.Clear(true, Owner->ClearColor, false, 0.f, false, 0, FIntRect());
CommandList.CopyToResolveTarget(Texture2DRHI, TextureRHI, true, FResolveParams());
LastClearColor = Owner->ClearColor;
Cleared = true;
}
}
void FStaticShadowDepthMap::InitRHI()
{
if (ShadowMapSizeX > 0 && ShadowMapSizeY > 0 && GMaxRHIFeatureLevel >= ERHIFeatureLevel::SM4)
{
FRHIResourceCreateInfo CreateInfo;
FTexture2DRHIRef Texture2DRHI = RHICreateTexture2D(ShadowMapSizeX, ShadowMapSizeY, PF_R16F, 1, 1, 0, CreateInfo);
TextureRHI = Texture2DRHI;
uint32 DestStride = 0;
uint8* TextureData = (uint8*)RHILockTexture2D(Texture2DRHI, 0, RLM_WriteOnly, DestStride, false);
uint32 RowSize = ShadowMapSizeX * GPixelFormats[PF_R16F].BlockBytes;
for (int32 Y = 0; Y < ShadowMapSizeY; Y++)
{
FMemory::Memcpy(TextureData + DestStride * Y, ((uint8*)DepthSamples.GetData()) + RowSize * Y, RowSize);
}
RHIUnlockTexture2D(Texture2DRHI, 0, false);
}
}
/* Copies the next frame into the render target ready for viewing */
void UCodecMovieImf::GetFrame(FRHICommandListImmediate& RHICmdList, class FTextureMovieResource* InTextureMovieResource)
{
/* If only rendering one frame */
if( OneFrameOnly && FrameCount > 1 )
return;
/* Is a sample ready? */
if( InTextureMovieResource && InTextureMovieResource->IsInitialized( ) && SampleGrabberCallback->GetIsSampleReadyToUpdate() )
{
/* Copy to render target */
uint32 Stride;
uint8* DestTextureData = (uint8*) RHILockTexture2D( InTextureMovieResource->TextureRHI->GetTexture2D( ), 0, RLM_WriteOnly, Stride, false );
FMemory::Memcpy( DestTextureData, TextureData.GetData( ), TextureData.Num( ) );
RHIUnlockTexture2D( InTextureMovieResource->TextureRHI->GetTexture2D( ), 0, false );
/* Wait for next sample */
SampleGrabberCallback->SetNeedNewSample( );
FrameCount++;
}
}
bool FMediaFoundationMovieStreamer::Tick(float DeltaTime)
{
FSlateTexture2DRHIRef* CurrentTexture = Texture.Get();
if ((CurrentTexture != nullptr) && SampleGrabberCallback->GetIsSampleReadyToUpdate())
{
check( IsInRenderingThread() );
if( !CurrentTexture->IsInitialized() )
{
CurrentTexture->InitResource();
}
uint32 Stride;
uint8* DestTextureData = (uint8*)RHILockTexture2D( CurrentTexture->GetTypedResource(), 0, RLM_WriteOnly, Stride, false );
FMemory::Memcpy( DestTextureData, TextureData.GetData(), TextureData.Num() );
RHIUnlockTexture2D( CurrentTexture->GetTypedResource(), 0, false );
SampleGrabberCallback->SetNeedNewSample();
}
if (!VideoPlayer->MovieIsRunning())
{
CloseMovie();
if (StoredMoviePaths.Num() > 0)
{
OpenNextMovie();
}
else
{
return true;
}
}
return false;
}
