From 9a12a3925a82475fd8f01ba53987581d30dd1128 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 23 Jul 2010 13:41:13 -0700
Subject: glx: Don't try to swap a front buffer if we don't have one.

Fixes glean glsl1 since 7b7845a076c933e096ac511b4184141ba194449a
---
 src/glx/dri2_glx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/glx')

diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c
index 2f12387860..ae5bf535af 100644
--- a/src/glx/dri2_glx.c
+++ b/src/glx/dri2_glx.c
@@ -423,12 +423,13 @@ dri2FlushFrontBuffer(__DRIdrawable *driDrawable, void *loaderPrivate)
    struct dri2_drawable *pdraw = loaderPrivate;
    __GLXdisplayPrivate *priv = __glXInitialize(pdraw->base.psc->dpy);
    struct dri2_display *pdp = (struct dri2_display *)priv->dri2Display;
+   GLXContext gc = __glXGetCurrentContext();
 
    /* Old servers don't send invalidate events */
    if (!pdp->invalidateAvailable)
        dri2InvalidateBuffers(priv->dpy, pdraw->base.drawable);
 
-   dri2_copy_drawable(pdraw, DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
+   dri2_wait_gl(gc);
 }
 
 
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