region.imageSubresource.mipLevel = level;
region.imageSubresource.baseArrayLayer = 0;
region.imageSubresource.layerCount = 1;
region.imageOffset = { x, 0, 0 };
region.imageExtent = { wd, 1, 1 };
region.imageSubresource.mipLevel = level;
region.imageSubresource.baseArrayLayer = 0;
region.imageSubresource.layerCount = 1;
region.imageOffset = { x, 0, 0 };
region.imageExtent = { wd, 1, 1 };