Method RenderGdprBatches

trinity/Tr2RenderContext.cpp:601–753

}

void Tr2RenderContextBase::RenderGdprBatches( ITriRenderBatchAccumulator* batches, const BlueSharedString& techniqueName )
{

	CCP_STATS_ZONE( __FUNCTION__ );

	Tr2RenderContext* renderContext = reinterpret_cast<Tr2RenderContext*>( this );

	renderContext->SetTopology( Tr2RenderContextEnum::TOP_TRIANGLES );

	auto& gdprBatches = batches->GetGdprBatches();

#if TRINITY_PLATFORM == TRINITY_DIRECTX12 || TRINITY_PLATFORM == TRINITY_METAL
	if( g_gdrEnabled )
	{
		CCP_STATS_ZONE( "Indirect drawing" );
#if TRINITY_PLATFORM != TRINITY_METAL
		GPU_REGION( *renderContext, "Indirect drawing" );
#endif

		Tr2RenderContext* primaryContext = reinterpret_cast<Tr2RenderContext*>( this );

		static Tr2IndirectDrawBuffer s_buffer;
		if( !s_buffer.IsValid() )
		{
			s_buffer.Create( 1024 * 1024 );
			if( !s_buffer.IsValid() )
			{
				return;
			}
		}

		s_buffer.SetFrameNumbers( primaryContext->GetPrimaryRenderContext().GetRecordingFrameNumber(), primaryContext->GetPrimaryRenderContext().GetRenderedFrameNumber() );

		struct Bin
		{
			Tr2IndirectDrawBufferWriter writer;
			uint32_t firstIndex;
			uint32_t endIndex;
			uint32_t technique;
			uint32_t pass;
			bool binStart;
		};

		std::vector<Bin> writers;
		writers.reserve( gdprBatches.size() );

		{
			CCP_STATS_ZONE( "Prepare" );

			uint32_t size = uint32_t( gdprBatches.size() );
			uint32_t endIndex = 0;
			for( uint32_t firstIndex = 0; firstIndex < size; firstIndex = endIndex )
			{
				auto& firstBatch = gdprBatches[firstIndex];
				endIndex = firstIndex + firstBatch.m_groupCount;

				uint32_t technique;
				if( !firstBatch.m_shader->GetTechniqueIndex( techniqueName, technique ) )