message: Flags must be zero by default
diff: @@ -86,10 +86,10 @@ struct Viewport {
  };
  struct RenderPassFlags {
  - uint8_t clear;
  - uint8_t discardStart;
  - uint8_t discardEnd;
  - uint8_t dependencies;
  + uint8_t clear = 0;
  + uint8_t discardStart = 0;
  + uint8_t discardEnd = 0;
  + uint8_t dependencies = 0;
  static constexpr uint8_t DEPENDENCY_BY_REGION = 1; // see "framebuffer-local" in Vulkan spec.
  