364         return android::base::unexpected("Failed to create shader.");  in MakeShader()
389         return android::base::unexpected(errorString);  in MakeShader()
423         return android::base::unexpected(errorString);  in MakeProgram()
452         return android::base::unexpected(errorString);  in MakeProgram()
464         return android::base::unexpected(std::string("Failed to allocate AHB with width:") +  in Allocate()
476         return android::base::unexpected("Gl not enabled for this test.");  in SetUpShader()
485         return android::base::unexpected("Gl not enabled for this test.");  in SetUpProgram()
494         return android::base::unexpected("Gl not enabled for this test.");  in SetUpProgram()
545         return android::base::unexpected(vkhpp::Result::eErrorUnknown);  in SetUpTypicalVkTestEnvironment()
574         return android::base::unexpected(vkhpp::Result::eErrorUnknown);  in SetUpTypicalVkTestEnvironment()
626         return android::base::unexpected("File " + filepath + " does not exist.");  in LoadImage()
629         return android::base::unexpected("File " + filepath + " is not a regular file.");  in LoadImage()
638         return android::base::unexpected("Failed to load " + filepath + " as RGBA PNG.");  in LoadImage()
648         return android::base::unexpected("Failed to query AHB width.");  in AsImage()
652         return android::base::unexpected("Failed to query AHB height.");  in AsImage()
659         return android::base::unexpected("Unhandled AHB format " + std::to_string(ahbFormat));  in AsImage()
785         return android::base::unexpected(  in CompareAHBWithGolden()