mbufsetstr.h revision 919
/* Copyright 1994 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#ifndef _DGA_MBUFSETSTR_H
#define _DGA_MBUFSETSTR_H
/*
** Client structure for multibuffer set.
*/
/*
** A "multibuffer set" (mbufset) stores client-side info about the multibuffers
** attached to a multibuffered window.
*/
typedef struct dga_mbufset {
unsigned int refcnt;
short numBufs;
_Dga_pixmap pNbPixmaps[DGA_MAX_GRABBABLE_BUFS];
/* shared info for nonviewable mbufs. Indices that
correspond to viewable mbufs are always NULL */
SHARED_PIXMAP_INFO *pNbShinfo[DGA_MAX_GRABBABLE_BUFS];
u_int mbufseq[DGA_MAX_GRABBABLE_BUFS];
u_int clipseq[DGA_MAX_GRABBABLE_BUFS];
u_int curseq[DGA_MAX_GRABBABLE_BUFS];
/* last recorded cache count for nonviewable mbufs. Indices that
correspond to viewable mbufs are always 0 */
u_int cacheSeqs[DGA_MAX_GRABBABLE_BUFS];
/* last recorded cache count for nonviewable mbufs. Indices that
correspond to viewable mbufs are always 0 (viewable mbufs
don't have devce info) */
u_int devInfoSeqs[DGA_MAX_GRABBABLE_BUFS];
/* Has the buffer been locked previously? */
char prevLocked[DGA_MAX_GRABBABLE_BUFS];
} DgaMbufSet;
#endif /* _DGA_MBUFSETSTR_H */