Method UpdateLightBuffer

trinity/Tr2LightManager.cpp:380–399

}

ALResult Tr2LightManager::UpdateLightBuffer( Tr2RenderContext& renderContext )
{
	if( m_lightBuffer->GetGpuBuffer( 0 )->GetDesc().count < uint32_t( m_lightData.size() ) )
	{
		CR_RETURN_HR( m_lightBuffer->Create(
			std::max( m_lightBuffer->GetGpuBuffer( 0 )->GetDesc().count + 1024, uint32_t( m_lightData.size() ) ),
			sizeof( PerLightData ),
			Tr2GpuBuffer::CPU_WRITABLE ) );
		m_lightBuffer->SetName( "Light buffer" );
	}

	auto lightCount = std::min( m_lightBuffer->GetGpuBuffer( 0 )->GetDesc().count, uint32_t( m_lightData.size() ) );

	Vector4* data;
	CR_RETURN_HR( m_lightBuffer->GetGpuBuffer( 0 )->MapForWriting( data, renderContext ) );
	memcpy( data, m_lightData.data(), lightCount * sizeof( PerLightData ) );
	CCP_STATS_ADD( lightsGathered, m_lightData.size() );
	m_lightBuffer->GetGpuBuffer( 0 )->UnmapForWriting( renderContext );
	return S_OK;
}

ALResult Tr2LightManager::DoUpdateLists( const Tr2TextureAL& depthMap, Tr2RenderContext& renderContext )
{