Change Present to finish only after swap

src/video_core/renderer_base.h

@@ -34,6 +34,9 @@ public:
     /// Draws the latest frame to the window (Renderer specific implementation)
     virtual void Present() = 0;
 
+    /// Marks the presentation buffer as complete and swaps it back into the pool
+    virtual void PresentComplete() = 0;
+
     /// Prepares for video dumping (e.g. create necessary buffers, etc)
     virtual void PrepareVideoDumping() = 0;
 

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -794,6 +794,9 @@ void RendererOpenGL::Present() {
     /* insert fence for the main thread to block on */
     frame.present_sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
     glFlush();
+}
+
+void RendererOpenGL::PresentComplete() {
     render_window.mailbox->PresentationComplete();
 }
 

src/video_core/renderer_opengl/renderer_opengl.h

@@ -60,6 +60,9 @@ public:
     /// context
     void Present() override;
 
+    /// Finializes the presentation and sets up the presentation frame to go back into the mailbox
+    void PresentComplete() override;
+
     /// Prepares for video dumping (e.g. create necessary buffers, etc)
     void PrepareVideoDumping() override;