The shadow module generate a validation layer issue, regarding layout of vkImage

[aiekick]

[VULKAN][CommandBuffer] => Validation Error: [ UNASSIGNED-CoreValidation-DrawState-InvalidImageLayout ] Object 0: handle = 0x1e012e6f260, type = VK_OBJECT_TYPE_COMMAND_BUFFER; | MessageID = 0x4dae5635 | vkQueueSubmit(): pSubmits[0].pCommandBuffers[0] command buffer VkCommandBuffer 0x1e012e6f260[] expects VkImage 0x5b275900000000de[] (subresource: aspectMask 0x1 array layer 0, mip level 0) to be in layout VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL--instead, current layout is VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL.