Method ApplyConstantBuffers

trinity/Shader/Tr2Material.cpp:519–566

}

void Tr2Material::ApplyConstantBuffers( uint32_t techniqueIndex, unsigned int passIndex, Tr2IndirectDrawBufferWriter& indirectBuffer, Tr2RenderContext& renderContext )
{
	unsigned mask = m_shader->GetShaderTypeMask( techniqueIndex );
	auto& passDesc = m_shader->GetEffectDescription().techniques[techniqueIndex].passes[passIndex];
	auto& pp = *m_parametersForPasses[techniqueIndex].passes[passIndex];
	for( unsigned i = 0; i != Tr2RenderContextEnum::SHADER_TYPE_COUNT && mask; ++i )
	{
		auto& input = pp.m_stageInput[i];
		if( ( mask & ( 1 << i ) ) && indirectBuffer.HasMaterialConstants( Tr2RenderContextEnum::ShaderType( i ) ) )
		{
			auto& cb = input.m_constantBuffer;
			if( cb.GetSize() )
			{
				if( input.m_constantBufferDirty || !pp.m_reroutedParameters.empty() || !input.m_shaderParameters.empty() )
				{
					uint8_t* const mirror = reinterpret_cast<uint8_t*>( input.m_constantMirror.get() );
					if( mirror )
					{
						const auto endVS = input.m_shaderParameters.cend();
						for( auto it = input.m_shaderParameters.cbegin(); it != endVS; ++it )
						{
							size_t size = it->m_registerCount;
							uint8_t* const dst = mirror + it->m_registerIndex;
							it->m_sourceValue->CopyValueToEffect( Tr2RenderContextEnum::ShaderType( i ), dst, size, renderContext );
						}
						for( auto& it : input.m_shaderParametersWithNotification )
						{
							size_t size = it.m_registerCount;
							uint8_t* const dst = mirror + it.m_registerIndex;
							it.m_sourceValue->CopyValueToEffect( Tr2RenderContextEnum::ShaderType( i ), dst, size, renderContext );
						}

						void* cbData = nullptr;
						if( SUCCEEDED( cb.Lock( &cbData, renderContext ) ) && cbData )
						{
							memcpy( cbData, mirror, cb.GetSize() );
							cb.Unlock( renderContext );
						}
					}
					input.m_constantBufferDirty = false;
				}

				indirectBuffer.SetMaterialConstants( Tr2RenderContextEnum::ShaderType( i ), cb );
			}
			mask &= ~( 1 << i );
		}
	}
}

void Tr2Material::ApplyMaterialDataForRtState( uint32_t techniqueIndex, const Tr2RtPipelineStateAL& rtPipelineState, Tr2RenderContext& renderContext ) const
{