28     mDisplay(EGL_NO_DISPLAY),  in GLHelper()
42     mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);  in setUp()
43     if (mDisplay == EGL_NO_DISPLAY) {  in setUp()
50     result = eglInitialize(mDisplay, &majorVersion, &minorVersion);  in setUp()
66     result = eglChooseConfig(mDisplay, configAttribs, &mConfig, 1,  in setUp()
77     mContext = eglCreateContext(mDisplay, mConfig, EGL_NO_CONTEXT,  in setUp()
114     if (mDisplay != EGL_NO_DISPLAY) {  in tearDown()
115         eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,  in tearDown()
120         eglDestroyContext(mDisplay, mContext);  in tearDown()
124         eglDestroySurface(mDisplay, mDummySurface);  in tearDown()
127     mDisplay = EGL_NO_DISPLAY;  in tearDown()
137     result = eglMakeCurrent(mDisplay, surface, surface, mContext);  in makeCurrent()
144     eglQuerySurface(mDisplay, surface, EGL_WIDTH, &w);  in makeCurrent()
145     eglQuerySurface(mDisplay, surface, EGL_HEIGHT, &h);  in makeCurrent()
171         eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,  in destroySurface()
174     eglDestroySurface(mDisplay, *surface);  in destroySurface()
180     result = eglSwapBuffers(mDisplay, surface);  in swapBuffers()
213     EGLSurface s = eglCreateWindowSurface(mDisplay, mConfig, anw.get(), nullptr);  in createNamedSurfaceTexture()
278     EGLSurface s = eglCreateWindowSurface(mDisplay, mConfig, anw.get(), nullptr);  in createWindowSurface()