mbufsetstr.h revision 943
943N/A/* Copyright (c) 1993, 1994, Oracle and/or its affiliates. All rights reserved.
830N/A *
830N/A * Permission is hereby granted, free of charge, to any person obtaining a
919N/A * copy of this software and associated documentation files (the "Software"),
919N/A * to deal in the Software without restriction, including without limitation
919N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense,
919N/A * and/or sell copies of the Software, and to permit persons to whom the
919N/A * Software is furnished to do so, subject to the following conditions:
830N/A *
919N/A * The above copyright notice and this permission notice (including the next
919N/A * paragraph) shall be included in all copies or substantial portions of the
919N/A * Software.
830N/A *
919N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
919N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
919N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
919N/A * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
919N/A * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
919N/A * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
919N/A * DEALINGS IN THE SOFTWARE.
830N/A */
830N/A
830N/A
830N/A#ifndef _DGA_MBUFSETSTR_H
830N/A#define _DGA_MBUFSETSTR_H
830N/A
830N/A/*
830N/A** Client structure for multibuffer set.
830N/A*/
830N/A
830N/A/*
830N/A** A "multibuffer set" (mbufset) stores client-side info about the multibuffers
830N/A** attached to a multibuffered window.
830N/A*/
830N/A
830N/Atypedef struct dga_mbufset {
830N/A unsigned int refcnt;
830N/A short numBufs;
830N/A _Dga_pixmap pNbPixmaps[DGA_MAX_GRABBABLE_BUFS];
830N/A
830N/A /* shared info for nonviewable mbufs. Indices that
830N/A correspond to viewable mbufs are always NULL */
830N/A SHARED_PIXMAP_INFO *pNbShinfo[DGA_MAX_GRABBABLE_BUFS];
830N/A
830N/A u_int mbufseq[DGA_MAX_GRABBABLE_BUFS];
830N/A u_int clipseq[DGA_MAX_GRABBABLE_BUFS];
830N/A u_int curseq[DGA_MAX_GRABBABLE_BUFS];
830N/A
830N/A /* last recorded cache count for nonviewable mbufs. Indices that
830N/A correspond to viewable mbufs are always 0 */
830N/A u_int cacheSeqs[DGA_MAX_GRABBABLE_BUFS];
830N/A
830N/A /* last recorded cache count for nonviewable mbufs. Indices that
830N/A correspond to viewable mbufs are always 0 (viewable mbufs
830N/A don't have devce info) */
830N/A u_int devInfoSeqs[DGA_MAX_GRABBABLE_BUFS];
830N/A
830N/A /* Has the buffer been locked previously? */
830N/A char prevLocked[DGA_MAX_GRABBABLE_BUFS];
830N/A
830N/A} DgaMbufSet;
830N/A
830N/A
830N/A#endif /* _DGA_MBUFSETSTR_H */
830N/A