7 //    http://www.apache.org/licenses/LICENSE-2.0
21 namespace fs = std::filesystem;
65 	ScopedSetEnvVar(std::string name)  in ScopedSetEnvVar()
71 	ScopedSetEnvVar(std::string name, std::string value)  in ScopedSetEnvVar()
82 	void set(std::string value)  in set()
89 		putEnv((name + std::string("=") + value).c_str());  in set()
96 			putEnv((name + std::string("=") + oldValue).c_str());  in restore()
120 	std::string name;
121 	std::string oldValue;
122 	std::string envCopy;
134 		std::ofstream fout(icdFileName);  in ScopedSetIcdFilenames()
157 std::vector<const char *> getDriverPaths()  in getDriverPaths()
161 	// The DLL is delay loaded (see BUILD.gn), so we can load  in getDriverPaths()
169 	return { "./build/Release_x64/vk_swiftshader.dll",  in getDriverPaths()
170 		     "./build/Release/vk_swiftshader.dll",  in getDriverPaths()
171 		     "./build/RelWithDebInfo/vk_swiftshader.dll",  in getDriverPaths()
174 	return { "./build/Release_Win32/vk_swiftshader.dll",  in getDriverPaths()
175 		     "./build/Release/vk_swiftshader.dll",  in getDriverPaths()
176 		     "./build/RelWithDebInfo/vk_swiftshader.dll",  in getDriverPaths()
181 	return { "./build/Debug_x64/vk_swiftshader.dll",  in getDriverPaths()
182 		     "./build/Debug/vk_swiftshader.dll",  in getDriverPaths()
185 	return { "./build/Debug_Win32/vk_swiftshader.dll",  in getDriverPaths()
186 		     "./build/Debug/vk_swiftshader.dll",  in getDriverPaths()
191 	return { "./build/Darwin/libvk_swiftshader.dylib",  in getDriverPaths()
195 	return { "./build/Linux/libvk_swiftshader.so",  in getDriverPaths()
212 	std::ifstream f(path);  in fileExists()
216 std::string findDriverPath()  in findDriverPath()
225 	// On Linux-based OSes, the lib path may be resolved by dlopen  in findDriverPath()
234 			return std::string{ libPath } + "/" + path;  in findDriverPath()
257 	assert(dl && dl->success());  in initialize()
259 …PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = dl->getProcAddress<PFN_vkGetInstanceProcAddr>("v…  in initialize()
263 	std::vector<const char *> extensionNames  in initialize()
277 	auto addLayerIfAvailable = [](std::vector<const char *> &layers, const char *layer) {  in initialize()
279 		if(std::find_if(layerProperties.begin(), layerProperties.end(), [layer](auto &lp) {  in initialize()
283 			//std::cout << "Enabled layer: " << layer << std::endl;  in initialize()
288 	std::vector<const char *> layerNames;  in initialize()
320 		        void *pUserData) -> VkBool32 {  in initialize()
322 			std::cerr << "[DebugInfoCallback] " << pCallbackData->pMessage << std::endl;  in initialize()
331 	std::vector<vk::PhysicalDevice> physicalDevices = instance.enumeratePhysicalDevices();  in initialize()
341 	std::vector<const char *> deviceExtensions = {  in initialize()
356 std::unique_ptr<vk::DynamicLoader> VulkanTester::loadDriver()  in loadDriver()
360 		return std::make_unique<vk::DynamicLoader>();  in loadDriver()
368 		return std::make_unique<vk::DynamicLoader>(driverPath);  in loadDriver()
374 	setIcdFilenames = std::make_unique<ScopedSetIcdFilenames>(driverPath.c_str());  in loadDriver()
376 	std::unique_ptr<vk::DynamicLoader> dl;  in loadDriver()
380 		dl = std::make_unique<vk::DynamicLoader>();  in loadDriver()
382 	catch(std::exception &ex)  in loadDriver()
384 		std::cerr << "vk::DynamicLoader exception: " << ex.what() << std::endl;  in loadDriver()
385 …std::cerr << "Falling back to loading SwiftShader directly (i.e. no validation layers)" << std::en…  in loadDriver()
386 		dl = std::make_unique<vk::DynamicLoader>(driverPath);  in loadDriver()
389 	dl = std::make_unique<vk::DynamicLoader>();  in loadDriver()