From 9f62ef6cb34ebc91aa82715ce8b036c0af7affef Mon Sep 17 00:00:00 2001
From: mobserveur <mobserveur@gmail.com>
Date: Fri, 5 Jul 2024 20:13:59 +0200
Subject: Tuning floater and buffer mapping improvements

This commit adds the tuning floater accessible via the fps button,
and improvements to the buffer mapping optimisation modes.
---
 indra/llwindow/llwindowsdl.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'indra/llwindow/llwindowsdl.cpp')

diff --git a/indra/llwindow/llwindowsdl.cpp b/indra/llwindow/llwindowsdl.cpp
index 98484419f9..110a28ca48 100644
--- a/indra/llwindow/llwindowsdl.cpp
+++ b/indra/llwindow/llwindowsdl.cpp
@@ -1098,6 +1098,18 @@ void LLWindowSDL::swapBuffers()
     if (mWindow)
     {
         SDL_GL_SwapWindow(mWindow);
+        U32 mode = gSavedSettings.getU32("MPVBuffMapMode");
+        if (mode == 0)
+        {
+            if(gGLManager.mIsApple) mode = 2;
+            else mode = 1;
+        }
+        if (mode > 2)
+        {
+            glClientWaitSync(swapFense, GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
+            glDeleteSync(swapFense);
+            swapFense = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
+        }
     }
 }
 
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