Esempi in C++ (Cpp) per ObjectsCache::findObjects

Esempio n. 1

File: programfactory.cpp Progetto: Loki7979/et-engine

Program::Pointer ProgramFactory::loadProgram(const std::string& file, ObjectsCache& cache,
	const StringList& defines)
{
	auto cachedPrograms = cache.findObjects(file);
	for (Program::Pointer cached : cachedPrograms)
	{
		if (cached.valid())
		{
			if (cached->defines().size() == defines.size())
			{
				bool same = true;
				for (auto& inDefine : defines)
				{
					for (auto& cDefine : cached->defines())
					{
						if (inDefine != cDefine)
						{
							same = false;
							break;
						}
						
						if (!same)
							break;
					}
				}
				if (same)
					return cached;
			}
		}
	}
	
	std::string vertex_shader;
	std::string geom_shader;
	std::string frag_shader;

	StringList sourceFiles = loadProgramSources(file, vertex_shader, geom_shader, frag_shader);
	
	if (sourceFiles.empty())
		return Program::Pointer::create(renderContext());
	
	std::string workFolder = getFilePath(file);
	
	parseSourceCode(ShaderType_Vertex, vertex_shader, defines, workFolder);
	parseSourceCode(ShaderType_Geometry, geom_shader, defines, workFolder);
	parseSourceCode(ShaderType_Fragment, frag_shader, defines, workFolder);
	
	Program::Pointer program = Program::Pointer::create(renderContext(), vertex_shader, geom_shader,
		frag_shader, getFileName(file), file, defines);
	
	for (auto& s : sourceFiles)
		program->addOrigin(s);
	
	cache.manage(program, _private->loader);
	return program;
}