150     : mImplementation(factory->createExternalImageSibling(context, target, buffer, attribs)),  in ExternalImageSibling()
153     mImplObserverBinding.bind(mImplementation.get());  in ExternalImageSibling()
160     mImplementation->onDestroy(display);  in onDestroy()
165     return mImplementation->initialize(display);  in initialize()
170     return mImplementation->getSize();  in getAttachmentSize()
176     return mImplementation->getFormat();  in getAttachmentFormat()
181     return static_cast<GLsizei>(mImplementation->getSamples());  in getAttachmentSamples()
188     return mImplementation->isRenderable(context);  in isRenderable()
193     return mImplementation->isTexturable(context);  in isTextureable()
216     return mImplementation.get();  in getImplementation()
227     return mImplementation.get();  in getAttachmentImpl()
252       mImplementation(factory->createImage(mState, context, target, attribs)),  in Image()
255     ASSERT(mImplementation != nullptr);  in Image()
268     mImplementation->onDestroy(display);  in onDestroy()
289     SafeDelete(mImplementation);  in ~Image()
312     ANGLE_TRY(mImplementation->orphan(context, sibling));  in orphanSibling()
403     return mImplementation;  in getImplementation()
429     return mImplementation->initialize(display);  in initialize()