From 66a7db3850480bf7f1303fc1251d64a01091fef2 Mon Sep 17 00:00:00 2001
From: weihuoya <zwdreams@gmail.com>
Date: Tue, 8 Jan 2019 18:28:59 +0800
Subject: Always flush on swap

---
 Source/Core/VideoBackends/OGL/Render.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Source/Core/VideoBackends/OGL/Render.cpp')

diff --git a/Source/Core/VideoBackends/OGL/Render.cpp b/Source/Core/VideoBackends/OGL/Render.cpp
index 55de5ec0dc..186b6a7da5 100644
--- a/Source/Core/VideoBackends/OGL/Render.cpp
+++ b/Source/Core/VideoBackends/OGL/Render.cpp
@@ -1528,6 +1528,13 @@ void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region
   ClearEFBCache();
 }
 
+void Renderer::Flush()
+{
+  // ensure all commands are sent to the GPU.
+  // Otherwise the driver could batch several frames togehter.
+  glFlush();
+}
+
 void Renderer::CheckForSurfaceChange()
 {
   if (!m_surface_changed.TestAndClear())
-- 
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