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/*
* 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.
*/
/* $Header$ */
#include "picturestr.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. */
int guarantee; /* GuaranteeNothing, etc. */
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 int cwGCIndex;
#define getCwGC(pGC) ((cwGCPtr)(pGC)->devPrivates[cwGCIndex].ptr)
#define setCwGC(pGC,p) ((pGC)->devPrivates[cwGCIndex].ptr = (pointer) (p))
typedef struct {
PicturePtr pBackingPicture;
unsigned long serialNumber; /* clientClip computed time */
unsigned long stateChanges; /* changes in parent gc since last copy */
} cwPictureRec, *cwPicturePtr;
extern int cwPictureIndex;
#define getCwPicture(pPicture) ((cwPicturePtr)(pPicture)->devPrivates[cwPictureIndex].ptr)
#define setCwPicture(pPicture,p) ((pPicture)->devPrivates[cwPictureIndex].ptr = (pointer) (p))
#define cwDrawableIsRedirWindow(pDraw) ((pDraw)->type == DRAWABLE_WINDOW && \
((WindowPtr)(pDraw))->redirectDraw)
typedef struct {
/*
* screen func wrappers
*/
CloseScreenProcPtr CloseScreen;
GetImageProcPtr GetImage;
GetSpansProcPtr GetSpans;
CreateGCProcPtr CreateGC;
DestroyWindowProcPtr DestroyWindow;
StoreColorsProcPtr StoreColors;
InitIndexedProcPtr InitIndexed;
CloseIndexedProcPtr CloseIndexed;
UpdateIndexedProcPtr UpdateIndexed;
#ifdef RENDER
CreatePictureProcPtr CreatePicture;
DestroyPictureProcPtr DestroyPicture;
ChangePictureClipProcPtr ChangePictureClip;
DestroyPictureClipProcPtr DestroyPictureClip;
ChangePictureProcPtr ChangePicture;
ValidatePictureProcPtr ValidatePicture;
CompositeProcPtr Composite;
GlyphsProcPtr Glyphs;
CompositeRectsProcPtr CompositeRects;
TrapezoidsProcPtr Trapezoids;
TrianglesProcPtr Triangles;
TriStripProcPtr TriStrip;
TriFanProcPtr TriFan;
RasterizeTrapezoidProcPtr RasterizeTrapezoid;
#if 0
AddTrapsProcPtr AddTraps;
#endif
#endif
} cwScreenRec, *cwScreenPtr;
extern int cwScreenIndex;
#define getCwScreen(pScreen) ((cwScreenPtr)(pScreen)->devPrivates[cwScreenIndex].ptr)
#define setCwScreen(pScreen,p) ((cwScreenPtr)(pScreen)->devPrivates[cwScreenIndex].ptr = (p))
#define CW_COPY_OFFSET_XYPOINTS(ppt_trans, ppt, npt) do { \
short *_origpt = (short *)(ppt); \
short *_transpt = (short *)(ppt_trans); \
int _i; \
for (_i = 0; _i < npt; _i++) { \
*_transpt++ = *_origpt++ + dst_off_x; \
*_transpt++ = *_origpt++ + dst_off_y; \
} \
} while (0)
#define CW_COPY_OFFSET_RECTS(prect_trans, prect, nrect) do { \
short *_origpt = (short *)(prect); \
short *_transpt = (short *)(prect_trans); \
int _i; \
for (_i = 0; _i < nrect; _i++) { \
*_transpt++ = *_origpt++ + dst_off_x; \
*_transpt++ = *_origpt++ + dst_off_y; \
_transpt += 2; \
_origpt += 2; \
} \
} while (0)
#define CW_COPY_OFFSET_ARCS(parc_trans, parc, narc) do { \
short *_origpt = (short *)(parc); \
short *_transpt = (short *)(parc_trans); \
int _i; \
for (_i = 0; _i < narc; _i++) { \
*_transpt++ = *_origpt++ + dst_off_x; \
*_transpt++ = *_origpt++ + dst_off_y; \
_transpt += 4; \
_origpt += 4; \
} \
} while (0)
#define CW_COPY_OFFSET_XY_DST(bx, by, x, y) do { \
bx = x + dst_off_x; \
by = y + dst_off_y; \
} while (0)
#define CW_COPY_OFFSET_XY_SRC(bx, by, x, y) do { \
bx = x + src_off_x; \
by = y + src_off_y; \
} while (0)
/* cw.c */
DrawablePtr
cwGetBackingDrawable(DrawablePtr pDrawable, int *x_off, int *y_off);
/* cw_render.c */
Bool
cwInitializeRender (ScreenPtr pScreen);
/* cw.c */
void
miInitializeCompositeWrapper(ScreenPtr pScreen);
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