message: Set USAGE_SIMULTANEOUS_USE_BIT on secondary cmd bufs. Refs
diff: @@ -582,6 +582,8 @@ bool WrappedVulkan::Serialise_vkBeginCommandBuffer(Serialiser *localSerialiser,
  // add one-time submit flag as this partial cmd buffer will only be submitted once
  info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
  + if(allocInfo.level == VK_COMMAND_BUFFER_LEVEL_SECONDARY)
  + info.flags |= VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
  ObjDisp(cmd)->BeginCommandBuffer(Unwrap(cmd), &info);
  }
  @@ -592,6 +594,8 @@ bool WrappedVulkan::Serialise_vkBeginCommandBuffer(Serialiser *localSerialiser,
  {
  // remove one-time submit flag as we will want to submit many
  info.flags &= ~VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
  + if(allocInfo.level == VK_COMMAND_BUFFER_LEVEL_SECONDARY)
  + info.flags |= VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
  VkCommandBuffer cmd = VK_NULL_HANDLE;
  