diff options
| -rw-r--r-- | src/glx/dri3_glx.c | 4 | ||||
| -rw-r--r-- | src/glx/glxcmds.c | 18 |
2 files changed, 19 insertions, 3 deletions
diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c index 2d40f0ad458..42a94f9f242 100644 --- a/src/glx/dri3_glx.c +++ b/src/glx/dri3_glx.c @@ -564,6 +564,8 @@ dri3_destroy_screen(struct glx_screen *base) static int dri3_set_swap_interval(__GLXDRIdrawable *pdraw, int interval) { + assert(pdraw != NULL); + struct dri3_drawable *priv = (struct dri3_drawable *) pdraw; GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1; struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc; @@ -597,6 +599,8 @@ dri3_set_swap_interval(__GLXDRIdrawable *pdraw, int interval) static int dri3_get_swap_interval(__GLXDRIdrawable *pdraw) { + assert(pdraw != NULL); + struct dri3_drawable *priv = (struct dri3_drawable *) pdraw; return priv->swap_interval; diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c index 6c7bbfd5d1c..53c9f9ce2af 100644 --- a/src/glx/glxcmds.c +++ b/src/glx/glxcmds.c @@ -1761,7 +1761,11 @@ __glXSwapIntervalSGI(int interval) psc->driScreen->setSwapInterval) { __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable); - psc->driScreen->setSwapInterval(pdraw, interval); + /* Simply ignore the command if the GLX drawable has been destroyed but + * the context is still bound. + */ + if (pdraw) + psc->driScreen->setSwapInterval(pdraw, interval); return 0; } #endif @@ -1807,7 +1811,14 @@ __glXSwapIntervalMESA(unsigned int interval) if (psc && psc->driScreen && psc->driScreen->setSwapInterval) { __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable); - return psc->driScreen->setSwapInterval(pdraw, interval); + + /* Simply ignore the command if the GLX drawable has been destroyed but + * the context is still bound. + */ + if (!pdraw) + return 0; + + return psc->driScreen->setSwapInterval(pdraw, interval); } } #endif @@ -1829,7 +1840,8 @@ __glXGetSwapIntervalMESA(void) if (psc && psc->driScreen && psc->driScreen->getSwapInterval) { __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable); - return psc->driScreen->getSwapInterval(pdraw); + if (pdraw) + return psc->driScreen->getSwapInterval(pdraw); } } #endif |