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DRI2: check for swapAvailable before using swap interval protocol 

This should have been part of the last change...
This commit is contained in:
Jesse Barnes 2010-04-19 14:19:48 -07:00
parent 385e2896eb
commit 0a18cdb0ed
1 changed files with 7 additions and 1 deletions
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8
src/glx/dri2_glx.c
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@ -175,6 +175,8 @@ dri2CreateDrawable(__GLXscreenConfigs * psc,
{
__GLXDRIdrawablePrivate *pdraw;
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes;
__GLXdisplayPrivate *dpyPriv;
__GLXDRIdisplayPrivate *pdp;
pdraw = Xmalloc(sizeof(*pdraw));
if (!pdraw)
@ -189,6 +191,8 @@ dri2CreateDrawable(__GLXscreenConfigs * psc,
DRI2CreateDrawable(psc->dpy, xDrawable);
dpyPriv = __glXInitialize(psc->dpy);
pdp = (__GLXDRIdisplayPrivate *)dpyPriv->dri2Display;;
/* Create a new drawable */
pdraw->base.driDrawable =
(*psc->dri2->createNewDrawable) (psc->__driScreen,
@ -204,7 +208,9 @@ dri2CreateDrawable(__GLXscreenConfigs * psc,
* Make sure server has the same swap interval we do for the new
* drawable.
*/
DRI2SwapInterval(psc->dpy, xDrawable, pdraw->swap_interval);
if (pdp->swapAvailable)
DRI2SwapInterval(psc->dpy, xDrawable, pdraw->swap_interval);
return &pdraw->base;
}