hackery.c

// at top of vk_meta_copy_image

// ok
if (src_format == VK_FORMAT_R32_UINT && dst_format == VK_FORMAT_R32_SFLOAT) {
   dst_format = VK_FORMAT_R32_UINT;
}

// but the same for R16 fails dEQP
if (src_format == VK_FORMAT_R16_UINT && dst_format == VK_FORMAT_R16_SFLOAT) {
   dst_format = VK_FORMAT_R16_UINT;
}

// different format is a nope
if (src_format == VK_FORMAT_B8G8R8A8_UNORM && dst_format == VK_FORMAT_R16_SFLOAT) {
   dst_format = VK_FORMAT_R16_SINT;
}