367 	m_testCtx.getLog() << TestLog::Message << "GL_SAMPLES = " << m_numSamples << TestLog::EndMessage;  in init()
464 		<< TestLog::EndMessage;  in iterate()
474 …<< "Failure: Number of distinct colors detected is lower than GL_SAMPLES+1" << TestLog::EndMessage;  in iterate()
480 … is lower than GL_SAMPLES+1 - trying again with a slightly altered pattern" << TestLog::EndMessage;  in iterate()
486 … "Success: The number of distinct colors detected is at least GL_SAMPLES+1" << TestLog::EndMessage;  in iterate()
631 …tive blending enabled in order to detect (erroneously) overlapping samples" << TestLog::EndMessage;  in init()
855 … "Failure: Not all quad interiors seem unicolored - common-edge artifacts?" << TestLog::EndMessage;  in iterate()
856 …TestLog::Message << "Erroneous pixels are drawn red in the following image" << TestLog::EndMessage;  in iterate()
864 		log << TestLog::Message << "Quads seem OK - moving on to next pattern" << TestLog::EndMessage;  in iterate()
869 …<< "Success: All quad interiors seem unicolored (no common-edge artifacts)" << TestLog::EndMessage;  in iterate()
912 	log << TestLog::Message << "Depth test enabled, depth func is GL_LESS" << TestLog::EndMessage;  in init()
913 …veral bigger-than-viewport black or white polygons intersecting each other" << TestLog::EndMessage;  in init()
987 …StencilFunc(GL_ALWAYS, 1, 1) and glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE)" << TestLog::EndMessage;  in iterate()
1006 	log << TestLog::Message << "Clearing color buffer to black" << TestLog::EndMessage;  in iterate()
1013 …tLog::Message << "Checking that color buffer was actually cleared to black" << TestLog::EndMessage;  in iterate()
1024 …l, color " << clr << ", detected at coordinates (" << x << ", " << y << ")" << TestLog::EndMessage;  in iterate()
1032 …ilOp(GL_KEEP, GL_KEEP, GL_KEEP) - should result in same image as the first" << TestLog::EndMessage;  in iterate()
1052 …log << TestLog::Message << "Success: The two images rendered are identical" << TestLog::EndMessage;  in iterate()
1117 		log << TestLog::Message << "GL_SAMPLE_ALPHA_TO_COVERAGE is enabled" << TestLog::EndMessage;  in init()
1124 		log << TestLog::Message << "GL_SAMPLE_COVERAGE is enabled" << TestLog::EndMessage;  in init()
1138 	log << TestLog::Message << "Clearing color to black" << TestLog::EndMessage;  in iterate()
1146 		log << TestLog::Message << "Using color mask TRUE, TRUE, TRUE, FALSE" << TestLog::EndMessage;  in iterate()
1161 …a red quad using alpha value " + de::floatToString(alphaOrCoverageValue, 2) << TestLog::EndMessage;  in iterate()
1170 … + de::floatToString(coverageValue, 2) << (isInverted ? " (inverted)" : "") << TestLog::EndMessage;  in iterate()
1191 …onent: " << de::floatToString((float)sumRed / 255.0f / (float)numPixels, 2) << TestLog::EndMessage;  in iterate()
1197 …ge << "Failure: Current average red color component is lower than previous" << TestLog::EndMessage;  in iterate()
1206 		log << TestLog::Message << "Failure: Image should be completely black" << TestLog::EndMessage;  in iterate()
1213 		log << TestLog::Message << "Failure: Image should be completely red" << TestLog::EndMessage;  in iterate()
1228 			<< TestLog::EndMessage;  in iterate()
1291 	log << TestLog::Message << "Clearing color to black" << TestLog::EndMessage;  in iterate()
1299 		log << TestLog::Message << "GL_SAMPLE_ALPHA_TO_COVERAGE is enabled" << TestLog::EndMessage;  in iterate()
1300 		log << TestLog::Message << "Color mask is TRUE, TRUE, TRUE, FALSE" << TestLog::EndMessage;  in iterate()
1306 		log << TestLog::Message << "GL_SAMPLE_COVERAGE is enabled" << TestLog::EndMessage;  in iterate()
1316 		<< TestLog::EndMessage;  in iterate()
1353 …r component detected - should have been completely overwritten by red quad" << TestLog::EndMessage;  in iterate()
1364 		<< TestLog::EndMessage;  in iterate()
1432 …tive blending enabled in order to detect (erroneously) overlapping samples" << TestLog::EndMessage;  in iterate()
1434 	log << TestLog::Message << "Clearing color to all-zeros" << TestLog::EndMessage;  in iterate()
1437 … TestLog::Message << "Drawing the pattern with GL_SAMPLE_COVERAGE disabled" << TestLog::EndMessage;  in iterate()
1443 	log << TestLog::Message << "Clearing color to all-zeros" << TestLog::EndMessage;  in iterate()
1446 …wing the pattern with GL_SAMPLE_COVERAGE enabled, using non-inverted masks" << TestLog::EndMessage;  in iterate()
1448 …PLE_COVERAGE enabled, using same sample coverage values but inverted masks" << TestLog::EndMessage;  in iterate()
1463 …log << TestLog::Message << "Success: The two images rendered are identical" << TestLog::EndMessage;  in iterate()