483     BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex;  in getAvailableBackbuffer()  local
484     return backbuffer;  in getAvailableBackbuffer()
488     BackbufferInfo* backbuffer = this->getAvailableBackbuffer();  in getBackbufferSurface()  local
489     SkASSERT(backbuffer);  in getBackbufferSurface()
505                                         &backbuffer->fImageIndex);  in getBackbufferSurface()
518         backbuffer = this->getAvailableBackbuffer();  in getBackbufferSurface()
523                                    &backbuffer->fImageIndex);  in getBackbufferSurface()
531     SkSurface* surface = fSurfaces[backbuffer->fImageIndex].get();  in getBackbufferSurface()
543     BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex;  in swapBuffers()  local
544     SkSurface* surface = fSurfaces[backbuffer->fImageIndex].get();  in swapBuffers()
547     beSemaphore.initVulkan(backbuffer->fRenderSemaphore);  in swapBuffers()
562         &backbuffer->fRenderSemaphore, // pWaitSemaphores  in swapBuffers()
565         &backbuffer->fImageIndex, // pImageIndices  in swapBuffers()