diff --git a/src/intel_dri.c b/src/intel_dri.c index 3901aae9..7449232f 100644 --- a/src/intel_dri.c +++ b/src/intel_dri.c @@ -674,6 +674,8 @@ can_exchange(DRI2BufferPtr front, DRI2BufferPtr back) I830DRI2BufferPrivatePtr back_priv = back->driverPrivate; PixmapPtr front_pixmap = front_priv->pixmap; PixmapPtr back_pixmap = back_priv->pixmap; + struct intel_pixmap *front_intel = intel_get_pixmap_private(front_pixmap); + struct intel_pixmap *back_intel = intel_get_pixmap_private(back_pixmap); if (front_pixmap->drawable.width != back_pixmap->drawable.width) return FALSE; @@ -690,6 +692,10 @@ can_exchange(DRI2BufferPtr front, DRI2BufferPtr back) return FALSE; #endif + /* prevent an implicit tiling mode change */ + if (front_intel->tiling != back_intel->tiling) + return FALSE; + return TRUE; }