747     const bool hasMask = maskType != QGLEngineShaderManager::NoMask;  in useCorrectShaderProg()  local
751         Q_ASSERT(!hasCompose && !hasMask);  in useCorrectShaderProg()
755         if (hasCompose && hasMask && useGlobalOpacity)  in useCorrectShaderProg()
757         if (hasCompose && hasMask && !useGlobalOpacity)  in useCorrectShaderProg()
759         if (!hasCompose && hasMask && useGlobalOpacity)  in useCorrectShaderProg()
761         if (!hasCompose && hasMask && !useGlobalOpacity)  in useCorrectShaderProg()
763         if (hasCompose && !hasMask && useGlobalOpacity)  in useCorrectShaderProg()
765         if (hasCompose && !hasMask && !useGlobalOpacity)  in useCorrectShaderProg()
767         if (!hasCompose && !hasMask && useGlobalOpacity)  in useCorrectShaderProg()
769         if (!hasCompose && !hasMask && !useGlobalOpacity)  in useCorrectShaderProg()
773     if (hasMask) {  in useCorrectShaderProg()