+void VulkanTexture1D::sub_image(unsigned level, int x, unsigned wd, const void *data)
+{
+ const Texture1D &self = *static_cast<const Texture1D *>(this);
+
+ unsigned level_size = self.get_level_size(level);
+ synchronize(-1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, (x==0 && wd==level_size));
+
+ size_t data_size = wd*get_pixel_size(storage_fmt);
+ void *staging = device.get_transfer_queue().prepare_transfer(data_size,
+ [this, level, x, wd](VkCommandBuffer cmd_buf, VkBuffer staging_buf, size_t src_off){
+ const VulkanFunctions &vk = device.get_functions();
+
+ VkBufferImageCopy region = { };
+ region.bufferOffset = src_off;
+ region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+ region.imageSubresource.mipLevel = level;
+ region.imageSubresource.baseArrayLayer = 0;
+ region.imageSubresource.layerCount = 1;
+ region.imageOffset = { x, 0, 0 };
+ region.imageExtent = { wd, 1, 1 };
+ vk.CmdCopyBufferToImage(cmd_buf, staging_buf, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion);
+ });
+
+ const char *src = static_cast<const char *>(data);
+ copy(src, src+data_size, static_cast<char *>(staging));
+}