+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);
+ bool discard = (x==0 && wd==level_size);
+
+ TransferQueue &tq = device.get_transfer_queue();
+ size_t data_size = wd*get_pixel_size(storage_fmt);
+ void *staging = tq.prepare_transfer(this, false, data_size,
+ [this, level, discard](){
+ change_layout(level, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, discard);
+ },
+ [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 = get_vulkan_aspect(get_components(storage_fmt));
+ 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);
+ });
+
+ stage_pixels(staging, data, wd);
+ tq.finalize_transfer(staging);
+}
+
+void VulkanTexture1D::fill_mipmap_blit(unsigned level, void *b)
+{
+ const Texture1D &self = *static_cast<const Texture1D *>(this);
+ VkImageBlit &blit = *static_cast<VkImageBlit *>(b);
+
+ int src_size = self.get_level_size(level);
+ int dst_size = self.get_level_size(level+1);
+
+ blit.srcOffsets[1] = { src_size, 1, 1 };
+ blit.dstOffsets[1] = { dst_size, 1, 1 };
+}