From 2ddecf35d261e5765ccb1f1dc6646241684cc237 Mon Sep 17 00:00:00 2001
From: xperia64 <xperiancedapps@gmail.com>
Date: Tue, 9 Feb 2021 16:32:48 +0000
Subject: [PATCH] Avoid leaking fences during re-presentation (#5713)

* Avoid leaking fences during re-presentation
---
 src/video_core/renderer_opengl/renderer_opengl.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index bf123c4e0..3058ef879 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -1107,6 +1107,11 @@ void RendererOpenGL::TryPresent(int timeout_ms) {
     glBlitFramebuffer(0, 0, frame->width, frame->height, 0, 0, layout.width, layout.height,
                       GL_COLOR_BUFFER_BIT, GL_LINEAR);
 
+    // Delete the fence if we're re-presenting to avoid leaking fences
+    if (frame->present_fence) {
+        glDeleteSync(frame->present_fence);
+    }
+
     /* insert fence for the main thread to block on */
     frame->present_fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
     glFlush();