message: Ignore validation message about unwritten outputs.
diff: @@ -4097,6 +4097,12 @@ VkBool32 WrappedVulkan::DebugCallback(MessageSeverity severity, MessageCategory
  // Not an error, this is defined as with all APIs to drop the output.
  if(strstr(pMessageId, "UNASSIGNED-CoreValidation-Shader-OutputNotConsumed"))
  return false;
  + // "Attachment X not written by fragment shader; undefined values will be written to attachment"
  + // Not strictly an error, though more of a problem than the above. However we occasionally do
  + // this on purpose in the pixel history when running history on depth targets, and it's safe to
  + // silence unless we see undefined values.
  + if(strstr(pMessageId, "UNASSIGNED-CoreValidation-Shader-InputNotProduced"))
  + return false;
  // "Non-linear image is aliased with linear buffer"
  // Not an error, the validation layers complain at our whole-mem bufs
  