Method load

Source/Cache/ShaderCache.cpp:70–114

}

Shader* ShaderCache::load(String filename) {
	auto filenameStr = filename.toString();
	auto items = filename.split(":"_slice);
	if (!items.empty() && items.front() == "builtin"_slice) {
		auto it = _shaders.find(filenameStr);
		if (it != _shaders.end()) {
			return it->second;
		}
		bgfx::RendererType::Enum type = bgfx::getRendererType();
		bgfx::ShaderHandle handle = bgfx::createEmbeddedShader(DoraShaders, type, items.back().c_str());
		if (!bgfx::isValid(handle)) {
			Error("failed to load builtin shader named: \"{}\".", items.back().toString());
			return nullptr;
		}
		Shader* shader = Shader::create(handle);
		_shaders[filenameStr] = shader;
		return shader;
	}
	std::string shaderFile;
	if (SharedContent.exist(filenameStr)) {
		shaderFile = SharedContent.getFullPath(filenameStr);
	} else {
		auto path = Path::concat({getShaderPath(), filenameStr});
		if (SharedContent.exist(path)) {
			shaderFile = SharedContent.getFullPath(path);
		}
	}
	if (shaderFile.empty()) {
		Error("shader file \"{}\" not exist.", filenameStr);
		return nullptr;
	}
	auto it = _shaders.find(shaderFile);
	if (it != _shaders.end()) {
		return it->second;
	}
	const bgfx::Memory* mem = SharedContent.loadBX(shaderFile);
	bgfx::ShaderHandle handle = bgfx::createShader(mem);
	if (!bgfx::isValid(handle)) {
		Error("failed to load shader \"{}\".", shaderFile);
		return nullptr;
	}
	Shader* shader = Shader::create(handle);
	_shaders[shaderFile] = shader;
	return shader;
}

Shader* ShaderCache::load(String filename, ShaderStage stage) {
	auto ext = Path::getExt(filename);