Method DoUpdateLists

trinity/Tr2LightManager.cpp:401–440

}

ALResult Tr2LightManager::DoUpdateLists( const Tr2TextureAL& depthMap, Tr2RenderContext& renderContext )
{
	if( !m_lightBuffer->IsValid() || !m_indexBuffer->IsValid() || !m_indexBufferCounter->IsValid() )
	{
		return E_INVALIDCALL;
	}

	CR_RETURN_HR( UpdateLightBuffer( renderContext ) );

	PerFrameData perFrameData;
	perFrameData.projInverse = Transpose( Tr2Renderer::GetInverseProjectionTransform() );
	perFrameData.viewInverse = Transpose( Tr2Renderer::GetInverseViewTransform() );
	perFrameData.cameraPos = Tr2Renderer::GetViewPosition();
	perFrameData.width = uint32_t( renderContext.m_esm.GetRenderTargetWidth() );
	perFrameData.height = uint32_t( renderContext.m_esm.GetRenderTargetHeight() );
	perFrameData.tilesX = ( perFrameData.width + ( TILE_WIDTH - 1 ) ) / TILE_WIDTH;
	perFrameData.tilesY = ( perFrameData.height + ( TILE_HEIGHT - 1 ) ) / TILE_HEIGHT;
	perFrameData.lightCount = std::min( m_lightBuffer->GetGpuBuffer( 0 )->GetDesc().count, uint32_t( m_lightData.size() ) );
	perFrameData.indexBufferSize = INDEX_BUFFER_SIZE;


	m_effect->SetParameter( BlueSharedString( "DepthMap" ), depthMap );
	ON_BLOCK_EXIT( [&] { m_effect->SetParameter( BlueSharedString( "DepthMap" ), Tr2TextureAL() ); } );

	if( !FillAndSetConstants( m_perFrameData, perFrameData, Tr2RenderContextEnum::COMPUTE_SHADER, Tr2Renderer::GetPerFramePSStartRegister(), renderContext ) )
	{
		return E_FAIL;
	}

	if( !Tr2Renderer::RunComputeShader( m_effect, BlueSharedString( "Clear" ), 1, 1, 1, renderContext ) )
	{
		return E_FAIL;
	}

	if( !Tr2Renderer::RunComputeShader( m_effect, perFrameData.tilesX, perFrameData.tilesY, 1, renderContext ) )
	{
		return E_FAIL;
	}
	return S_OK;
}

void Tr2LightManager::CreateShadowMapAtlas( uint32_t numShadowCastingLights, const std::vector<LightScreenSizeTuple>& lightTuples )
{