From: Keith Whitwell <keith@tungstengraphics.com>
Date: Tue, 22 Apr 2008 10:15:51 +0000 (+0100)
Subject: xlib: shortcircuit no-op makecurrent
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6a9f6625b38c3669769568d122958993f4a8d5b3;p=mesa.git

xlib: shortcircuit no-op makecurrent
---

diff --git a/src/gallium/winsys/xlib/fakeglx.c b/src/gallium/winsys/xlib/fakeglx.c
index 902a7550754..6e04cb4117c 100644
--- a/src/gallium/winsys/xlib/fakeglx.c
+++ b/src/gallium/winsys/xlib/fakeglx.c
@@ -1504,6 +1504,13 @@ Fake_glXMakeContextCurrent( Display *dpy, GLXDrawable draw,
 #endif
       }
 
+      if (MakeCurrent_PrevContext == ctx &&
+          MakeCurrent_PrevDrawable == draw &&
+          MakeCurrent_PrevReadable == read &&
+          MakeCurrent_PrevDrawBuffer == drawBuffer &&
+          MakeCurrent_PrevReadBuffer == readBuffer)
+         return True;
+          
       MakeCurrent_PrevContext = ctx;
       MakeCurrent_PrevDrawable = draw;
       MakeCurrent_PrevReadable = read;