144 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen buf");  in init()
147 		GLU_EXPECT_NO_ERROR(gl.getError(), "setup data");  in init()
150 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen vao");  in init()
165 			GLU_EXPECT_NO_ERROR(gl.getError(), "setup data");  in init()
176 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen vao");  in init()
188 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen tex");  in init()
193 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen fbo");  in init()
226 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen rbo");  in init()
231 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen fbo");  in init()
253 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen tex");  in init()
258 		GLU_EXPECT_NO_ERROR(gl.getError(), "gen fbo");  in init()
475 			GLU_EXPECT_NO_ERROR(gl.getError(), "bind fbo");  in drawOneIteration()
485 		GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in drawOneIteration()
502 		GLU_EXPECT_NO_ERROR(gl.getError(), "set attrib");  in drawOneIteration()
510 		GLU_EXPECT_NO_ERROR(gl.getError(), "draw");  in drawOneIteration()
526 			GLU_EXPECT_NO_ERROR(gl.getError(), "read pixels");  in drawOneIteration()
542 			GLU_EXPECT_NO_ERROR(gl.getError(), "blit resolve");  in drawOneIteration()
548 			GLU_EXPECT_NO_ERROR(gl.getError(), "read pixels");  in drawOneIteration()
574 			GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in drawOneIteration()
580 			GLU_EXPECT_NO_ERROR(gl.getError(), "set attrib");  in drawOneIteration()
584 			GLU_EXPECT_NO_ERROR(gl.getError(), "bind tex");  in drawOneIteration()
594 			GLU_EXPECT_NO_ERROR(gl.getError(), "draw");  in drawOneIteration()
599 			GLU_EXPECT_NO_ERROR(gl.getError(), "read pixels");  in drawOneIteration()
631 			GLU_EXPECT_NO_ERROR(gl.getError(), "clear");  in drawOneIteration()
637 			GLU_EXPECT_NO_ERROR(gl.getError(), "set attrib");  in drawOneIteration()
641 			GLU_EXPECT_NO_ERROR(gl.getError(), "bind tex");  in drawOneIteration()
653 				GLU_EXPECT_NO_ERROR(gl.getError(), "draw");  in drawOneIteration()
656 				GLU_EXPECT_NO_ERROR(gl.getError(), "read pixels");  in drawOneIteration()