diff options
Diffstat (limited to 'src/mesa/drivers/dri/common/dri_util.c')
| -rw-r--r-- | src/mesa/drivers/dri/common/dri_util.c | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c index 93b9f458e41..e68faa3f0a0 100644 --- a/src/mesa/drivers/dri/common/dri_util.c +++ b/src/mesa/drivers/dri/common/dri_util.c @@ -1,4 +1,28 @@ -/* $XFree86: xc/lib/GL/dri/dri_util.c,v 1.7 2003/04/28 17:01:25 dawes Exp $ */ +/* + * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + /** * \file dri_util.c * DRI utility functions. @@ -80,6 +104,45 @@ driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 ) return (rect1.x2 - rect1.x1) * (rect1.y2 - rect1.y1); } +static __DRIdrawable *__driFindDrawable(void *drawHash, __DRIid draw) +{ + int retcode; + __DRIdrawable *pdraw; + + retcode = drmHashLookup(drawHash, draw, (void *)&pdraw); + if (retcode) + return NULL; + + return pdraw; +} + + +/** + * Find drawables in the local hash that have been destroyed on the + * server. + * + * \param drawHash Hash-table containing all known drawables. + */ +static void __driGarbageCollectDrawables(void *drawHash) +{ + __DRIid draw; + __DRInativeDisplay *dpy; + __DRIdrawable *pdraw; + + if (drmHashFirst(drawHash, &draw, (void *)&pdraw) == 1) { + do { + __DRIdrawablePrivate *pdp = (__DRIdrawablePrivate *)pdraw->private; + dpy = pdp->driScreenPriv->display; + if (! (*dri_interface->windowExists)(dpy, draw)) { + /* Destroy the local drawable data, if the drawable no + longer exists in the Xserver */ + (*pdraw->destroyDrawable)(dpy, pdraw->private); + _mesa_free(pdraw); + } + } while (drmHashNext(drawHash, &draw, (void *)&pdraw) == 1); + } +} + /*****************************************************************/ /** \name Context (un)binding functions */ /*****************************************************************/ @@ -138,6 +201,12 @@ static int driUnbindContext(__DRIcontext *pcp) prp->refcount--; } + /* destroy the drawables if they no longer exist on the server */ + if ((pdp->refcount == 0) || (prp->refcount == 0)) { + /* probably shouldn't need the collector here, + as we know the affected drawables (or could there be others?) */ + __driGarbageCollectDrawables(pdp->driScreenPriv->drawHash); + } /* XXX this is disabled so that if we call SwapBuffers on an unbound * window we can determine the last context bound to the window and |