537 	VkExtent3D imageExtent = imageExtentInBlocks(region.imageExtent, aspect);  in copy()  local
539 	if(imageExtent.width == 0 || imageExtent.height == 0 || imageExtent.depth == 0)  in copy()
544 	VkExtent2D bufferExtent = bufferExtentInBlocks({ imageExtent.width, imageExtent.height }, region);  in copy()
563 	bool isSingleSlice = (imageExtent.depth == 1);  in copy()
564 	bool isSingleRow = (imageExtent.height == 1) && isSingleSlice;  in copy()
565 	bool isEntireRow = (imageExtent.width == mipLevelExtent.width) &&  in copy()
567 	bool isEntireSlice = isEntireRow && (imageExtent.height == mipLevelExtent.height) &&  in copy()
573 		copySize = imageExtent.width * bytesPerBlock;  in copy()
577 		copySize = (imageExtent.height - 1) * imageRowPitchBytes + imageExtent.width * bytesPerBlock;  in copy()
581 …copySize = (imageExtent.depth - 1) * imageSlicePitchBytes + (imageExtent.height - 1) * imageRowPit…  in copy()
585 		copySize = (imageExtent.height - 1) * imageRowPitchBytes + imageExtent.width * bytesPerBlock;  in copy()
589 		copySize = imageExtent.width * bytesPerBlock;  in copy()
608 			for(uint32_t z = 0; z < imageExtent.depth; z++)  in copy()
621 			for(uint32_t z = 0; z < imageExtent.depth; z++)  in copy()
625 				for(uint32_t y = 0; y < imageExtent.height; y++)  in copy()