92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
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/*
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* mibstorest.h
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*
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* internal structure definitions for mi backing store
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*/
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/*
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "mibstore.h"
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#include "regionstr.h"
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/*
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* One of these structures is allocated per GC used with a backing-store
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* drawable.
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*/
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typedef struct {
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GCPtr pBackingGC; /* Copy of the GC but with graphicsExposures
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* set FALSE and the clientClip set to
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* clip output to the valid regions of the
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* backing pixmap. */
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int guarantee; /* GuaranteeNothing, etc. */
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unsigned long serialNumber; /* clientClip computed time */
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unsigned long stateChanges; /* changes in parent gc since last copy */
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GCOps *wrapOps; /* wrapped ops */
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GCFuncs *wrapFuncs; /* wrapped funcs */
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} miBSGCRec, *miBSGCPtr;
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/*
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* one of these structures is allocated per Window with backing store
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*/
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typedef struct {
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PixmapPtr pBackingPixmap; /* Pixmap for saved areas */
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short x; /* origin of pixmap relative to window */
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short y;
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RegionRec SavedRegion; /* Valid area in pBackingPixmap */
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char viewable; /* Tracks pWin->viewable so SavedRegion may
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* be initialized correctly when the window
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* is first mapped */
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char status; /* StatusNoPixmap, etc. */
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char backgroundState; /* background type */
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PixUnion background; /* background pattern */
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} miBSWindowRec, *miBSWindowPtr;
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#define StatusNoPixmap 1 /* pixmap has not been created */
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#define StatusVirtual 2 /* pixmap is virtual, tiled with background */
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#define StatusVDirty 3 /* pixmap is virtual, visiblt has contents */
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#define StatusBadAlloc 4 /* pixmap create failed, do not try again */
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#define StatusContents 5 /* pixmap is created, has valid contents */
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typedef struct {
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/*
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* screen func wrappers
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*/
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CloseScreenProcPtr CloseScreen;
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GetImageProcPtr GetImage;
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GetSpansProcPtr GetSpans;
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ChangeWindowAttributesProcPtr ChangeWindowAttributes;
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CreateGCProcPtr CreateGC;
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DestroyWindowProcPtr DestroyWindow;
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} miBSScreenRec, *miBSScreenPtr;
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