264 	GLU_EXPECT_NO_ERROR(gl.getError(), "getIntegerv(GL_SAMPLES)");  in init()
279 	GLU_EXPECT_NO_ERROR(gl.getError(), "getAttribLocation");  in init()
324 	GLU_EXPECT_NO_ERROR(gl.getError(), "bindVertexArray");  in renderTriangle()
328 	GLU_EXPECT_NO_ERROR(gl.getError(), "vtx buf");  in renderTriangle()
332 	GLU_EXPECT_NO_ERROR(gl.getError(), "vtx vertexAttribPointer");  in renderTriangle()
336 	GLU_EXPECT_NO_ERROR(gl.getError(), "col buf");  in renderTriangle()
340 	GLU_EXPECT_NO_ERROR(gl.getError(), "col vertexAttribPointer");  in renderTriangle()
344 	GLU_EXPECT_NO_ERROR(gl.getError(), "drawArrays");  in renderTriangle()
384 	GLU_EXPECT_NO_ERROR(gl.getError(), "viewport");  in randomizeViewport()
448 	GLU_EXPECT_NO_ERROR(gl.getError(), "set blend");  in iterate()
454 	GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in iterate()
464 	GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in iterate()
467 	GLU_EXPECT_NO_ERROR(gl.getError(), "glEnable(GL_SAMPLE_MASK)");  in iterate()
523 		GLU_EXPECT_NO_ERROR(gl.getError(), "glSampleMaski");  in drawPattern()
580 	GLU_EXPECT_NO_ERROR(gl.getError(), "glEnable(GL_SAMPLE_MASK)");  in init()
601 	GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in iterate()
622 			GLU_EXPECT_NO_ERROR(gl.getError(), "glSampleMaski");  in iterate()
757 	GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in iterate()
763 		GLU_EXPECT_NO_ERROR(gl.getError(), "enable GL_SAMPLE_ALPHA_TO_COVERAGE");  in iterate()
772 		GLU_EXPECT_NO_ERROR(gl.getError(), "enable GL_SAMPLE_COVERAGE");  in iterate()
780 		GLU_EXPECT_NO_ERROR(gl.getError(), "enable GL_SAMPLE_MASK");  in iterate()
815 				GLU_EXPECT_NO_ERROR(gl.getError(), "glSampleCoverage");  in iterate()
831 					GLU_EXPECT_NO_ERROR(gl.getError(), "glSampleMaski");  in iterate()
927 	GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in iterate()
930 	GLU_EXPECT_NO_ERROR(gl.getError(), "enable GL_SAMPLE_MASK");  in iterate()
959 				GLU_EXPECT_NO_ERROR(gl.getError(), "glSampleMaski");  in iterate()
971 				GLU_EXPECT_NO_ERROR(gl.getError(), "glSampleMaski");  in iterate()