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authorMichel Dänzer <[email protected]>2011-09-14 18:37:48 +0200
committerMichel Dänzer <[email protected]>2011-09-14 18:40:16 +0200
commitd8c443ddde5e9734d60b63b3ec3b5a5ba756d022 (patch)
treee7bb62d19ed99bcdd6f043f61fe4811a03fbe0d7
parent48510d685655d0003c10fc3a3c2dcb485c3a86d1 (diff)
glx/dri2: Don't call X server for SwapBuffers when there's no back buffer.
As already done in dri2CopySubBuffer(). Should fix: https://bugs.freedesktop.org/show_bug.cgi?id=36371 https://bugs.freedesktop.org/show_bug.cgi?id=40533 Might fix: https://bugs.freedesktop.org/show_bug.cgi?id=32589 Signed-off-by: Michel Dänzer <[email protected]>
-rw-r--r--src/glx/dri2_glx.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c
index b83da60fe77..2d72ae05f04 100644
--- a/src/glx/dri2_glx.c
+++ b/src/glx/dri2_glx.c
@@ -543,6 +543,10 @@ dri2SwapBuffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
(struct dri2_display *)dpyPriv->dri2Display;
CARD64 ret = 0;
+ /* Check we have the right attachments */
+ if (!priv->have_back)
+ return ret;
+
/* Old servers can't handle swapbuffers */
if (!pdp->swapAvailable) {
dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height);