message: Fix a couple of technical validation failures
diff: @@ -2179,8 +2179,8 @@ ResourceId VulkanReplay::RenderOverlay(ResourceId texid, FloatVector clearCol, D
  quadImg,
  VK_IMAGE_VIEW_TYPE_2D_ARRAY,
  VK_FORMAT_R32_UINT,
  - {VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ZERO,
  - VK_COMPONENT_SWIZZLE_ONE},
  + {VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY,
  + VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY},
  {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 4},
  };
  @@ -2667,7 +2667,13 @@ ResourceId VulkanReplay::RenderOverlay(ResourceId texid, FloatVector clearCol, D
  NULL,
  Unwrap(RP),
  Unwrap(FB),
  - {{0, 0}, m_Overlay.ImageDim},
  + {
  + {0, 0},
  + {
  + RDCMAX(1U, m_Overlay.ImageDim.width >> sub.mip),
  + RDCMAX(1U, m_Overlay.ImageDim.height >> sub.mip),
  + },
  + },
  1,
  &clearval,
  };
  