Fix number of mip levels calculation

LunarG · Oct 9, 2024 · 61ef5ce · 61ef5ce
1 parent 6291285
commit 61ef5ce
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/framework/graphics/vulkan_resources_util.cpp b/framework/graphics/vulkan_resources_util.cpp
@@ -1682,7 +1682,9 @@ VkResult VulkanResourcesUtil::ReadFromImageResourceStaging(VkImage
  scaled_extent.height = std::max(scaled_extent.height * scale, 1.0f);
 
  const uint32_t dst_img_mip_levels =
- 1 + floor(log2(std::max(std::max(scaled_extent.width, scaled_extent.height), scaled_extent.depth)));
+ src_img_mip_levels > 1
+ ? 1 + floor(log2(std::max(std::max(scaled_extent.width, scaled_extent.height), scaled_extent.depth)))
+ : src_img_mip_levels;
 
  resource_size = GetImageResourceSizesOptimal(image,
  dst_format,