summaryrefslogtreecommitdiff
path: root/miext/cw/cw.h
blob: 31eb9e57c4b550003077e6880fcee9d265f90a73 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/*
 * 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;
    TriStripProcPtr		TriStrip;
    TriFanProcPtr		TriFan;

    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);