xenocara/xserver/miext/cw/cw.h
2011-11-05 13:32:40 +00:00

170 lines
5.2 KiB
C

/*
* Copyright © 2004 Eric Anholt
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Eric Anholt not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Eric Anholt makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "gcstruct.h"
#include "picturestr.h"
#include "privates.h"
/*
* One of these structures is allocated per GC that gets used with a window with
* backing pixmap.
*/
typedef struct {
GCPtr pBackingGC; /* Copy of the GC but with graphicsExposures
* set FALSE and the clientClip set to
* clip output to the valid regions of the
* backing pixmap. */
unsigned long serialNumber; /* clientClip computed time */
unsigned long stateChanges; /* changes in parent gc since last copy */
GCOps *wrapOps; /* wrapped ops */
GCFuncs *wrapFuncs; /* wrapped funcs */
} cwGCRec, *cwGCPtr;
extern _X_EXPORT DevPrivateKeyRec cwGCKeyRec;
#define cwGCKey (&cwGCKeyRec)
#define getCwGC(pGC) ((cwGCPtr)dixLookupPrivate(&(pGC)->devPrivates, cwGCKey))
#define setCwGC(pGC,p) dixSetPrivate(&(pGC)->devPrivates, cwGCKey, p)
/*
* One of these structures is allocated per Picture that gets used with a
* window with a backing pixmap
*/
typedef struct {
PicturePtr pBackingPicture;
unsigned long serialNumber;
unsigned long stateChanges;
} cwPictureRec, *cwPicturePtr;
extern _X_EXPORT DevPrivateKeyRec cwPictureKeyRec;
#define cwPictureKey (&cwPictureKeyRec)
#define getCwPicture(pPicture) (pPicture->pDrawable ? \
(cwPicturePtr)dixLookupPrivate(&(pPicture)->devPrivates, cwPictureKey) : 0)
#define setCwPicture(pPicture,p) dixSetPrivate(&(pPicture)->devPrivates, cwPictureKey, p)
extern _X_EXPORT DevPrivateKeyRec cwWindowKeyRec;
#define cwWindowKey (&cwWindowKeyRec)
#define cwWindowPrivate(pWin) dixLookupPrivate(&(pWin)->devPrivates, cwWindowKey)
#define getCwPixmap(pWindow) ((PixmapPtr) cwWindowPrivate(pWindow))
#define setCwPixmap(pWindow,pPixmap) \
dixSetPrivate(&(pWindow)->devPrivates, cwWindowKey, pPixmap)
#define cwDrawableIsRedirWindow(pDraw) \
((pDraw)->type == DRAWABLE_WINDOW && \
getCwPixmap((WindowPtr) (pDraw)) != NULL)
typedef struct {
/*
* screen func wrappers
*/
CloseScreenProcPtr CloseScreen;
GetImageProcPtr GetImage;
GetSpansProcPtr GetSpans;
CreateGCProcPtr CreateGC;
CopyWindowProcPtr CopyWindow;
GetWindowPixmapProcPtr GetWindowPixmap;
SetWindowPixmapProcPtr SetWindowPixmap;
DestroyPictureProcPtr DestroyPicture;
ChangePictureClipProcPtr ChangePictureClip;
DestroyPictureClipProcPtr DestroyPictureClip;
ChangePictureProcPtr ChangePicture;
ValidatePictureProcPtr ValidatePicture;
CompositeProcPtr Composite;
CompositeRectsProcPtr CompositeRects;
TrapezoidsProcPtr Trapezoids;
TrianglesProcPtr Triangles;
RasterizeTrapezoidProcPtr RasterizeTrapezoid;
} cwScreenRec, *cwScreenPtr;
extern _X_EXPORT DevPrivateKeyRec cwScreenKeyRec;
#define cwScreenKey (&cwScreenKeyRec)
#define getCwScreen(pScreen) ((cwScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, cwScreenKey))
#define setCwScreen(pScreen,p) dixSetPrivate(&(pScreen)->devPrivates, cwScreenKey, p)
#define CW_OFFSET_XYPOINTS(ppt, npt) do { \
DDXPointPtr _ppt = (DDXPointPtr)(ppt); \
int _i; \
for (_i = 0; _i < npt; _i++) { \
_ppt[_i].x += dst_off_x; \
_ppt[_i].y += dst_off_y; \
} \
} while (0)
#define CW_OFFSET_RECTS(prect, nrect) do { \
int _i; \
for (_i = 0; _i < nrect; _i++) { \
(prect)[_i].x += dst_off_x; \
(prect)[_i].y += dst_off_y; \
} \
} while (0)
#define CW_OFFSET_ARCS(parc, narc) do { \
int _i; \
for (_i = 0; _i < narc; _i++) { \
(parc)[_i].x += dst_off_x; \
(parc)[_i].y += dst_off_y; \
} \
} while (0)
#define CW_OFFSET_XY_DST(x, y) do { \
(x) = (x) + dst_off_x; \
(y) = (y) + dst_off_y; \
} while (0)
#define CW_OFFSET_XY_SRC(x, y) do { \
(x) = (x) + src_off_x; \
(y) = (y) + src_off_y; \
} while (0)
/* cw.c */
extern _X_EXPORT DrawablePtr
cwGetBackingDrawable(DrawablePtr pDrawable, int *x_off, int *y_off);
/* cw_render.c */
extern _X_EXPORT void
cwInitializeRender (ScreenPtr pScreen);
extern _X_EXPORT void
cwFiniRender (ScreenPtr pScreen);
/* cw.c */
extern _X_EXPORT void
miInitializeCompositeWrapper(ScreenPtr pScreen);