1 files changed, 22 insertions, 2 deletions
diff --git a/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs b/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs
index df0dd1e7..a6995143 100644
--- a/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs
+++ b/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs
@@ -141,7 +141,7 @@ namespace Ryujinx.Headless.SDL2.OpenGL
 
             GL.ClearColor(0, 0, 0, 1.0f);
             GL.Clear(ClearBufferMask.ColorBufferBit);
-            SwapBuffers();
+            SwapBuffers(0);
 
             Renderer?.Window.SetSize(DefaultWidth, DefaultHeight);
             MouseDriver.SetClientSize(DefaultWidth, DefaultHeight);
@@ -159,8 +159,28 @@ namespace Ryujinx.Headless.SDL2.OpenGL
             _openGLContext.Dispose();
         }
 
-        protected override void SwapBuffers()
+        protected override void SwapBuffers(object image)
         {
+            if ((int)image != 0)
+            {
+                // The game's framebruffer is already bound, so blit it to the window's backbuffer
+                GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, 0);
+
+                GL.Clear(ClearBufferMask.ColorBufferBit);
+                GL.ClearColor(0, 0, 0, 1);
+
+                GL.BlitFramebuffer(0,
+                    0,
+                    Width,
+                    Height,
+                    0,
+                    0,
+                    Width,
+                    Height,
+                    ClearBufferMask.ColorBufferBit,
+                    BlitFramebufferFilter.Linear);
+            }
+
             SDL_GL_SwapWindow(WindowHandle);
         }
     }