Method Execute

trinity/PostProcess/Tr2PostProcessRenderer.cpp:648–849

void Tr2PostProcessRenderer::Execute(
	const Tr2TextureAL& destination,
	Tr2GpuResourcePool::Texture sourceBuffer,
	Tr2GpuResourcePool::Texture depthMap,
	Tr2GpuResourcePool::Texture velocity,
	Tr2GpuResourcePool::Texture opaqueColor,
	EveSpaceScene* scene,
	Tr2UpscalingContextAL* upscalingContext,
	Tr2GpuResourcePool& gpuResourcePool,
	Tr2RenderContext& renderContext )
{
	CCP_STATS_ZONE( __FUNCTION__ );

	if( !sourceBuffer.IsValid() )
	{
		CCP_LOGERR( "Tr2PostProcessRenderer::Execute: Source buffer is invalid!" );
		return;
	}
	const auto renderSize = TextureSize2D{ sourceBuffer->GetWidth(), sourceBuffer->GetHeight() };
	auto displaySize = renderSize;

	GPU_REGION( renderContext, "Post-processing" );

	Tr2PostProcess2Ptr postProcess = scene->GetPostProcess();

	renderContext.m_esm.ApplyStandardStates( Tr2EffectStateManager::RM_FULLSCREEN );

	renderContext.m_esm.PushRenderTarget();
	renderContext.m_esm.PushDepthStencilBuffer( Tr2TextureAL() );

	const auto upscalingInfo = renderContext.GetPrimaryRenderContext().GetUpscalingInfo( upscalingContext ? upscalingContext->GetID() : Tr2UpscalingAL::INVALID_CONTEXT_ID );

	auto upscalingEnabled = upscalingInfo.technique != Tr2UpscalingAL::NONE;
	bool sharpeningRequired = !upscalingInfo.hasSharpening;

	Tr2GpuResourcePool::Texture output;
	if( upscalingEnabled )
	{
		displaySize = { upscalingInfo.displayWidth, upscalingInfo.displayHeight };

		output = gpuResourcePool.GetTempTexture( "Final Result", displaySize, destination.GetFormat(), RENDER_TARGET );
	}
	else
	{
		output = gpuResourcePool.GetTempTexture( "Final Result", displaySize, destination.GetFormat(), RENDER_TARGET );
	}

	// Always copy
	auto nonMsaaSource = gpuResourcePool.GetTempTexture( "Pre-upscaling Composite", renderSize, sourceBuffer->GetFormat(), RENDER_TARGET );
	sourceBuffer->Resolve( nonMsaaSource, renderContext );

	Tr2PPDynamicExposureEffect* dynamicExposure = nullptr;
	Tr2GpuResourcePool::Buffer histogramBuffer;

	if( postProcess != nullptr )
	{
		if( auto genericEffect = postProcess->GetGenericEffectIfAvailable( m_quality ) )
		{