Method RenderSortedBatches

trinity/Tr2RenderContext.cpp:534–599

}

void Tr2RenderContextBase::RenderSortedBatches( const std::vector<Tr2RenderBatch>& batches, const BlueSharedString& techniqueName, Tr2RenderContext& renderContext )
{
	size_t batchCount = batches.size();

	if( batchCount == 0 )
	{
		return;
	}

	CCP_STATS_ZONE( "Direct drawing" );
#if TRINITY_PLATFORM != TRINITY_METAL
	GPU_REGION( renderContext, "Direct drawing" );
#endif

#if TRINITY_PLATFORM_SUPPORTS_PARALLEL_CONTEXTS
	extern bool g_useParallelEncoding;
	if( g_useParallelEncoding && batchCount > 256 && !Tr2GpuProfiler::GetProfiler().IsCapturing() )
	{
		std::vector<std::vector<Tr2RenderBatch>::const_iterator> encodingTasks;
		for( auto batch = batches.begin(); batch != batches.end(); )
		{
			encodingTasks.push_back( batch );
			batch += batch->m_groupCount;
		}

		const uint32_t coresCount = std::thread::hardware_concurrency();
		if( renderContext.BeginParallelEncoding( std::min( coresCount, uint32_t( encodingTasks.size() ) ) ) )
		{
			Tr2ParallelDo( encodingTasks.begin(), encodingTasks.end(), [&]( auto& task ) {
#if __APPLE__
				@autoreleasepool
#endif
				{
					CCP_STATS_ZONE( "Parallel Encoding Task" );

					Tr2RenderContext* ctx = renderContext.Fork();

					Tr2ConstantBufferAL* perObjectConstantBuffers[CBUFFER_COUNT];
					for( uint32_t i = 0; i != CBUFFER_COUNT; ++i )
					{
						perObjectConstantBuffers[i] = ctx->GetConstantBuffer( i );
					}
					ctx->RenderBatchGroup( task, techniqueName, perObjectConstantBuffers, *ctx );

					renderContext.Join( ctx );
				}
			} );
			renderContext.EndParallelEncoding();
			return;
		}
	}
#endif


	Tr2ConstantBufferAL* perObjectConstantBuffers[CBUFFER_COUNT];
	for( uint32_t i = 0; i != CBUFFER_COUNT; ++i )
	{
		perObjectConstantBuffers[i] = renderContext.GetConstantBuffer( i );