266     ANativeWindowBuffer*   previousBuffer;  member
366     nativeWindow(window), buffer(0), previousBuffer(0), bits(NULL)  in egl_window_surface_v2_t()
381     if (previousBuffer) {  in ~egl_window_surface_v2_t()
382         previousBuffer->common.decRef(&previousBuffer->common);   in ~egl_window_surface_v2_t()
451     if (previousBuffer) {  in disconnect()
452         previousBuffer->common.decRef(&previousBuffer->common);   in disconnect()
453         previousBuffer = 0;  in disconnect()
521         if (previousBuffer) {  in swapBuffers()
527                 if (lock(previousBuffer,   in swapBuffers()
530                     copyBlt(buffer, bits, previousBuffer, prevBits, copyBack);  in swapBuffers()
531                     unlock(previousBuffer);  in swapBuffers()
538     if (previousBuffer) {  in swapBuffers()
539         previousBuffer->common.decRef(&previousBuffer->common);   in swapBuffers()
540         previousBuffer = 0;  in swapBuffers()
544     previousBuffer = buffer;  in swapBuffers()