X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fglx%2Fx11%2Fdri_glx.c;h=44724d2c7d0ffce3ed21a356afca549eb4c3cc36;hb=b4866f8a5229d4769a49b4c54a1675a61497d206;hp=290b87c62eacbc2039a5dc4f2c04b7c6568959b7;hpb=77c7f90ed44748f0e54e894deff1cac63da54cd6;p=mesa.git

diff --git a/src/glx/x11/dri_glx.c b/src/glx/x11/dri_glx.c
index 290b87c62ea..44724d2c7d0 100644
--- a/src/glx/x11/dri_glx.c
+++ b/src/glx/x11/dri_glx.c
@@ -1,4 +1,3 @@
-/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */
 /**************************************************************************
 
 Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -575,6 +574,13 @@ static void driSwapBuffers(__GLXDRIdrawable *pdraw)
    (*pdraw->psc->core->swapBuffers)(pdraw->driDrawable);
 }
 
+static void driCopySubBuffer(__GLXDRIdrawable *pdraw,
+			     int x, int y, int width, int height)
+{
+    (*pdraw->psc->driCopySubBuffer->copySubBuffer)(pdraw->driDrawable,
+						   x, y, width, height);
+}
+
 static void driDestroyScreen(__GLXscreenConfigs *psc)
 {
     /* Free the direct rendering per screen data */
@@ -642,6 +648,8 @@ static __GLXDRIscreen *driCreateScreen(__GLXscreenConfigs *psc, int screen,
     }
 
     driBindExtensions(psc, 0);
+    if (psc->driCopySubBuffer)
+	psp->copySubBuffer = driCopySubBuffer;
 
     psp->destroyScreen = driDestroyScreen;
     psp->createContext = driCreateContext;