Function AddPermutationsToWorkQueue

shadercompiler/ShaderCompiler.cpp:448–498

typedef WorkQueue2<CompileShaderArguments, decltype( &CompileShader )> CompileQueue;

void AddPermutationsToWorkQueue( CompileQueue& queue, const Permutations& permutations, bool ignorePermutations, const std::vector<Macro>& defines )
{
	std::vector<size_t> indexes;
	indexes.resize( permutations.size() );
	uint32_t permutation = 0;
	bool done = false;
	while( !done )
	{
		CompileShaderArguments args;
		args.permutation = permutation;
		if( !defines.empty() )
		{
			args.defines.insert( args.defines.end(), defines.begin(), defines.end() );
		}

		if( !ignorePermutations )
		{
			for( size_t i = 0; i < permutations.size(); ++i )
			{
				Macro define;
				define.name = permutations[i].name;
				define.value = std::to_string( int64_t( permutations[i].options[indexes[i]].value ) );
				args.defines.push_back( define );
			}
		}

		queue.Put( args );

		for( size_t i = 0; i < permutations.size(); ++i )
		{
			++indexes[i];
			if( indexes[i] >= permutations[i].options.size() )
			{
				if( i + 1 == permutations.size() )
				{
					done = true;
				}
				indexes[i] = 0;
			}
			else
			{
				break;
			}
		}
		if( ignorePermutations || permutations.empty() )
		{
			break;
		}
		++permutation;
	}
}

struct WithTelemetry
{