163 …RandomViewport			viewport			(m_renderCtx.getRenderTarget(), VIEWPORT_WIDTH, VIEWPORT_HEIGHT, deStr…  in iterate()  local
164 	tcu::Surface			renderedFrame		(viewport.width, viewport.height);  in iterate()
165 	tcu::Surface			referenceFrame		(viewport.width, viewport.height);  in iterate()
168 	int						leftWidth			= viewport.width / 2;  in iterate()
169 	int						rightWidth			= viewport.width - leftWidth;  in iterate()
192 		gl.viewport(viewport.x, viewport.y, leftWidth, viewport.height);  in iterate()
197 		glu::readPixels(m_renderCtx, viewport.x, viewport.y, renderedFrame.getAccess());  in iterate()
199 …(referenceFrame, m_renderCtx.getRenderTarget().getPixelFormat(), 0, 0, leftWidth, viewport.height),  in iterate()
205 		gl.viewport(viewport.x+leftWidth, viewport.y, rightWidth, viewport.height);  in iterate()
210 		glu::readPixels(m_renderCtx, viewport.x, viewport.y, renderedFrame.getAccess());  in iterate()
212 …eFrame, m_renderCtx.getRenderTarget().getPixelFormat(), leftWidth, 0, rightWidth, viewport.height),  in iterate()