Set required depth member for buffer image copy
diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp
index ef9da89..72fa5bc 100644
--- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp
+++ b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp
@@ -483,6 +483,7 @@
region.imageSubresource.layerCount = 1;
region.imageExtent.width = width;
region.imageExtent.height = height;
+ region.imageExtent.depth = 1;
vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion);
VkImageMemoryBarrier use_barrier[1] = {};