Function ReadRegisters

trinity/Shader/Tr2EffectDescription.cpp:258–367

CHECK

}
// CHECK
void ReadRegisters( Tr2ShaderSignatureAL& signature, EffectStream& stream, unsigned version, uint32_t type )
{
	auto inputCount = stream.Read<uint8_t>();
	signature.registers.resize( inputCount );
	for( int inputIx = 0; inputIx < inputCount; ++inputIx )
	{
		auto& element = signature.registers[inputIx];

		if( version > 9 )
		{
			element.registerType = Tr2ShaderRegisterAL::RegisterType( stream.Read<uint8_t>() );
		}
		else
		{
			uint8_t oldRegisterType = stream.Read<uint8_t>();
			switch( oldRegisterType )
			{
			case 0:
				element.registerType = Tr2ShaderRegisterAL::CONSTANT_BUFFER;
				break;
			case 1:
				element.registerType = Tr2ShaderRegisterAL::SRV_TEXTURE2D; // best guess
				break;
			case 2:
				element.registerType = Tr2ShaderRegisterAL::UAV_TEXTURE2D; // best guess
				break;
			case 3:
				element.registerType = Tr2ShaderRegisterAL::SAMPLER;
				break;
			default:
				CCP_ASSERT( false );
				element.registerType = Tr2ShaderRegisterAL::SRV_TEXTURE2D;
			}
		}
		element.registerIndex = stream.Read<uint32_t>();

		//stream.Read( element.registerIndex );
		if( version > 12 )
		{
			stream.Read( element.arrayCount );
			element.registerSpace = stream.Read<uint8_t>();
		}
		else
		{
			element.arrayCount = 1;
			element.registerSpace = type;
		}
		bool dynamic = true;
		if( element.registerType == Tr2ShaderRegisterAL::CONSTANT_BUFFER )
		{
			if( type == Tr2RenderContextEnum::ShaderType::VERTEX_SHADER && element.registerIndex == Tr2Renderer::GetPerFrameVSStartRegister() )
			{
				dynamic = false;
			}
			if( type == Tr2RenderContextEnum::ShaderType::PIXEL_SHADER && element.registerIndex == Tr2Renderer::GetPerFramePSStartRegister() )
			{
				dynamic = false;
			}