502     BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex;  in getAvailableBackbuffer()  local
504                         WaitForFences(fDevice, 2, backbuffer->fUsageFences,  in getAvailableBackbuffer()
506     return backbuffer;  in getAvailableBackbuffer()
510     BackbufferInfo* backbuffer = this->getAvailableBackbuffer();  in getBackbufferSurface()  local
511     SkASSERT(backbuffer);  in getBackbufferSurface()
515                         ResetFences(fDevice, 2, backbuffer->fUsageFences));  in getBackbufferSurface()
520                                         backbuffer->fAcquireSemaphore, VK_NULL_HANDLE,  in getBackbufferSurface()
521                                         &backbuffer->fImageIndex);  in getBackbufferSurface()
532         backbuffer = this->getAvailableBackbuffer();  in getBackbufferSurface()
534                             ResetFences(fDevice, 2, backbuffer->fUsageFences));  in getBackbufferSurface()
538                                    backbuffer->fAcquireSemaphore, VK_NULL_HANDLE,  in getBackbufferSurface()
539                                    &backbuffer->fImageIndex);  in getBackbufferSurface()
547     VkImageLayout layout = fImageLayouts[backbuffer->fImageIndex];  in getBackbufferSurface()
564         fImages[backbuffer->fImageIndex],         // image  in getBackbufferSurface()
568                         ResetCommandBuffer(backbuffer->fTransitionCmdBuffers[0], 0));  in getBackbufferSurface()
574                         BeginCommandBuffer(backbuffer->fTransitionCmdBuffers[0], &info));  in getBackbufferSurface()
577                CmdPipelineBarrier(backbuffer->fTransitionCmdBuffers[0],  in getBackbufferSurface()
584                         EndCommandBuffer(backbuffer->fTransitionCmdBuffers[0]));  in getBackbufferSurface()
592     submitInfo.pWaitSemaphores = &backbuffer->fAcquireSemaphore;  in getBackbufferSurface()
595     submitInfo.pCommandBuffers = &backbuffer->fTransitionCmdBuffers[0];  in getBackbufferSurface()
600                                     backbuffer->fUsageFences[0]));  in getBackbufferSurface()
602     SkSurface* surface = fSurfaces[backbuffer->fImageIndex].get();  in getBackbufferSurface()
613     BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex;  in swapBuffers()  local
614     SkSurface* surface = fSurfaces[backbuffer->fImageIndex].get();  in swapBuffers()
621     SkASSERT(imageInfo.fImage == fImages[backbuffer->fImageIndex]);  in swapBuffers()
638         fImages[backbuffer->fImageIndex],         // image  in swapBuffers()
642                         ResetCommandBuffer(backbuffer->fTransitionCmdBuffers[1], 0));  in swapBuffers()
648                         BeginCommandBuffer(backbuffer->fTransitionCmdBuffers[1], &info));  in swapBuffers()
650                CmdPipelineBarrier(backbuffer->fTransitionCmdBuffers[1],  in swapBuffers()
656                         EndCommandBuffer(backbuffer->fTransitionCmdBuffers[1]));  in swapBuffers()
658     fImageLayouts[backbuffer->fImageIndex] = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;  in swapBuffers()
667     submitInfo.pCommandBuffers = &backbuffer->fTransitionCmdBuffers[1];  in swapBuffers()
669     submitInfo.pSignalSemaphores = &backbuffer->fRenderSemaphore;  in swapBuffers()
673                                     backbuffer->fUsageFences[1]));  in swapBuffers()
681         &backbuffer->fRenderSemaphore, // pWaitSemaphores  in swapBuffers()
684         &backbuffer->fImageIndex, // pImageIndices  in swapBuffers()