136     VulkanSurface::BackbufferInfo* backbuffer =  in getAvailableBackbuffer()  local
142             mWaitForFences(mBackendContext->fDevice, 2, backbuffer->mUsageFences, true, UINT64_MAX);  in getAvailableBackbuffer()
147     return backbuffer;  in getAvailableBackbuffer()
151     VulkanSurface::BackbufferInfo* backbuffer = getAvailableBackbuffer(surface);  in getBackbufferSurface()  local
152     SkASSERT(backbuffer);  in getBackbufferSurface()
156     res = mResetFences(mBackendContext->fDevice, 2, backbuffer->mUsageFences);  in getBackbufferSurface()
162                                backbuffer->mAcquireSemaphore, VK_NULL_HANDLE,  in getBackbufferSurface()
163                                &backbuffer->mImageIndex);  in getBackbufferSurface()
175         backbuffer = getAvailableBackbuffer(surface);  in getBackbufferSurface()
176         res = mResetFences(mBackendContext->fDevice, 2, backbuffer->mUsageFences);  in getBackbufferSurface()
181                                    backbuffer->mAcquireSemaphore, VK_NULL_HANDLE,  in getBackbufferSurface()
182                                    &backbuffer->mImageIndex);  in getBackbufferSurface()
190     VkImageLayout layout = surface->mImageInfos[backbuffer->mImageIndex].mImageLayout;  in getBackbufferSurface()
209             surface->mImages[backbuffer->mImageIndex],  // image  in getBackbufferSurface()
212     mResetCommandBuffer(backbuffer->mTransitionCmdBuffers[0], 0);  in getBackbufferSurface()
218     mBeginCommandBuffer(backbuffer->mTransitionCmdBuffers[0], &info);  in getBackbufferSurface()
220     mCmdPipelineBarrier(backbuffer->mTransitionCmdBuffers[0], srcStageMask, dstStageMask, 0, 0,  in getBackbufferSurface()
223     mEndCommandBuffer(backbuffer->mTransitionCmdBuffers[0]);  in getBackbufferSurface()
232     submitInfo.pWaitSemaphores = &backbuffer->mAcquireSemaphore;  in getBackbufferSurface()
235     submitInfo.pCommandBuffers = &backbuffer->mTransitionCmdBuffers[0];  in getBackbufferSurface()
239     mQueueSubmit(mBackendContext->fQueue, 1, &submitInfo, backbuffer->mUsageFences[0]);  in getBackbufferSurface()
243     sk_sp<SkSurface> skSurface = surface->mImageInfos[backbuffer->mImageIndex].mSurface;  in getBackbufferSurface()
608     VulkanSurface::BackbufferInfo* backbuffer =  in swapBuffers()  local
611     SkSurface* skSurface = surface->mImageInfos[backbuffer->mImageIndex].mSurface.get();  in swapBuffers()
615     SkASSERT(imageInfo->fImage == surface->mImages[backbuffer->mImageIndex]);  in swapBuffers()
634             surface->mImages[backbuffer->mImageIndex],  // image  in swapBuffers()
638     mResetCommandBuffer(backbuffer->mTransitionCmdBuffers[1], 0);  in swapBuffers()
643     mBeginCommandBuffer(backbuffer->mTransitionCmdBuffers[1], &info);  in swapBuffers()
644     mCmdPipelineBarrier(backbuffer->mTransitionCmdBuffers[1], srcStageMask, dstStageMask, 0, 0,  in swapBuffers()
646     mEndCommandBuffer(backbuffer->mTransitionCmdBuffers[1]);  in swapBuffers()
648     surface->mImageInfos[backbuffer->mImageIndex].mImageLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;  in swapBuffers()
657     submitInfo.pCommandBuffers = &backbuffer->mTransitionCmdBuffers[1];  in swapBuffers()
661     submitInfo.pSignalSemaphores = &backbuffer->mRenderSemaphore;  in swapBuffers()
664     mQueueSubmit(mBackendContext->fQueue, 1, &submitInfo, backbuffer->mUsageFences[1]);  in swapBuffers()
673             &backbuffer->mRenderSemaphore,       // pWaitSemaphores  in swapBuffers()
676             &backbuffer->mImageIndex,            // pImageIndices  in swapBuffers()
683     surface->mImageInfos[backbuffer->mImageIndex].mLastUsed = surface->mCurrentTime;  in swapBuffers()
684     surface->mImageInfos[backbuffer->mImageIndex].mInvalid = false;  in swapBuffers()
690     VulkanSurface::BackbufferInfo* backbuffer =  in getAge()  local
693         surface->mImageInfos[backbuffer->mImageIndex].mInvalid) {  in getAge()
696     uint16_t lastUsed = surface->mImageInfos[backbuffer->mImageIndex].mLastUsed;  in getAge()