| 1 | /*
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| 2 | * Copyright © 2004 Eric Anholt
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| 3 | *
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 5 | * documentation for any purpose is hereby granted without fee, provided that
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| 6 | * the above copyright notice appear in all copies and that both that
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| 7 | * copyright notice and this permission notice appear in supporting
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| 8 | * documentation, and that the name of Eric Anholt not be used in
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| 9 | * advertising or publicity pertaining to distribution of the software without
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| 10 | * specific, written prior permission. Eric Anholt makes no
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| 11 | * representations about the suitability of this software for any purpose. It
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| 12 | * is provided "as is" without express or implied warranty.
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| 13 | *
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| 14 | * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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| 16 | * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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| 20 | * PERFORMANCE OF THIS SOFTWARE.
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| 21 | */
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| 22 |
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| 23 | #ifdef HAVE_DIX_CONFIG_H
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| 24 | #include <dix-config.h>
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| 25 | #endif
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| 26 |
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| 27 | #include "gcstruct.h"
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| 28 | #include "picturestr.h"
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| 29 | #include "privates.h"
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| 30 |
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| 31 | /*
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| 32 | * One of these structures is allocated per GC that gets used with a window with
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| 33 | * backing pixmap.
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| 34 | */
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| 35 |
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| 36 | typedef struct {
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| 37 | GCPtr pBackingGC; /* Copy of the GC but with graphicsExposures
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| 38 | * set FALSE and the clientClip set to
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| 39 | * clip output to the valid regions of the
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| 40 | * backing pixmap. */
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| 41 | unsigned long serialNumber; /* clientClip computed time */
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| 42 | unsigned long stateChanges; /* changes in parent gc since last copy */
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| 43 | GCOps *wrapOps; /* wrapped ops */
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| 44 | GCFuncs *wrapFuncs; /* wrapped funcs */
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| 45 | } cwGCRec, *cwGCPtr;
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| 46 |
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| 47 | extern _X_EXPORT DevPrivateKey cwGCKey;
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| 48 |
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| 49 | #define getCwGC(pGC) ((cwGCPtr)dixLookupPrivate(&(pGC)->devPrivates, cwGCKey))
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| 50 | #define setCwGC(pGC,p) dixSetPrivate(&(pGC)->devPrivates, cwGCKey, p)
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| 51 |
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| 52 | /*
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| 53 | * One of these structures is allocated per Picture that gets used with a
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| 54 | * window with a backing pixmap
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| 55 | */
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| 56 |
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| 57 | typedef struct {
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| 58 | PicturePtr pBackingPicture;
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| 59 | unsigned long serialNumber;
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| 60 | unsigned long stateChanges;
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| 61 | } cwPictureRec, *cwPicturePtr;
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| 62 |
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| 63 | #define getCwPicture(pPicture) (pPicture->pDrawable ? \
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| 64 | (cwPicturePtr)dixLookupPrivate(&(pPicture)->devPrivates, cwPictureKey) : 0)
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| 65 | #define setCwPicture(pPicture,p) dixSetPrivate(&(pPicture)->devPrivates, cwPictureKey, p)
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| 66 |
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| 67 | extern _X_EXPORT DevPrivateKey cwPictureKey;
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| 68 | extern _X_EXPORT DevPrivateKey cwWindowKey;
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| 69 |
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| 70 | #define cwWindowPrivate(pWin) dixLookupPrivate(&(pWin)->devPrivates, cwWindowKey)
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| 71 | #define getCwPixmap(pWindow) ((PixmapPtr) cwWindowPrivate(pWindow))
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| 72 | #define setCwPixmap(pWindow,pPixmap) \
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| 73 | dixSetPrivate(&(pWindow)->devPrivates, cwWindowKey, pPixmap)
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| 74 |
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| 75 | #define cwDrawableIsRedirWindow(pDraw) \
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| 76 | ((pDraw)->type == DRAWABLE_WINDOW && \
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| 77 | getCwPixmap((WindowPtr) (pDraw)) != NULL)
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| 78 |
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| 79 | typedef struct {
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| 80 | /*
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| 81 | * screen func wrappers
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| 82 | */
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| 83 | CloseScreenProcPtr CloseScreen;
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| 84 | GetImageProcPtr GetImage;
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| 85 | GetSpansProcPtr GetSpans;
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| 86 | CreateGCProcPtr CreateGC;
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| 87 |
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| 88 | CopyWindowProcPtr CopyWindow;
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| 89 |
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| 90 | GetWindowPixmapProcPtr GetWindowPixmap;
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| 91 | SetWindowPixmapProcPtr SetWindowPixmap;
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| 92 |
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| 93 | #ifdef RENDER
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| 94 | DestroyPictureProcPtr DestroyPicture;
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| 95 | ChangePictureClipProcPtr ChangePictureClip;
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| 96 | DestroyPictureClipProcPtr DestroyPictureClip;
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| 97 |
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| 98 | ChangePictureProcPtr ChangePicture;
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| 99 | ValidatePictureProcPtr ValidatePicture;
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| 100 |
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| 101 | CompositeProcPtr Composite;
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| 102 | CompositeRectsProcPtr CompositeRects;
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| 103 |
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| 104 | TrapezoidsProcPtr Trapezoids;
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| 105 | TrianglesProcPtr Triangles;
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| 106 | TriStripProcPtr TriStrip;
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| 107 | TriFanProcPtr TriFan;
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| 108 |
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| 109 | RasterizeTrapezoidProcPtr RasterizeTrapezoid;
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| 110 | #endif
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| 111 | } cwScreenRec, *cwScreenPtr;
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| 112 |
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| 113 | extern _X_EXPORT DevPrivateKey cwScreenKey;
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| 114 |
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| 115 | #define getCwScreen(pScreen) ((cwScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, cwScreenKey))
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| 116 | #define setCwScreen(pScreen,p) dixSetPrivate(&(pScreen)->devPrivates, cwScreenKey, p)
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| 117 |
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| 118 | #define CW_OFFSET_XYPOINTS(ppt, npt) do { \
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| 119 | DDXPointPtr _ppt = (DDXPointPtr)(ppt); \
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| 120 | int _i; \
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| 121 | for (_i = 0; _i < npt; _i++) { \
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| 122 | _ppt[_i].x += dst_off_x; \
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| 123 | _ppt[_i].y += dst_off_y; \
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| 124 | } \
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| 125 | } while (0)
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| 126 |
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| 127 | #define CW_OFFSET_RECTS(prect, nrect) do { \
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| 128 | int _i; \
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| 129 | for (_i = 0; _i < nrect; _i++) { \
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| 130 | (prect)[_i].x += dst_off_x; \
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| 131 | (prect)[_i].y += dst_off_y; \
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| 132 | } \
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| 133 | } while (0)
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| 134 |
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| 135 | #define CW_OFFSET_ARCS(parc, narc) do { \
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| 136 | int _i; \
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| 137 | for (_i = 0; _i < narc; _i++) { \
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| 138 | (parc)[_i].x += dst_off_x; \
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| 139 | (parc)[_i].y += dst_off_y; \
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| 140 | } \
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| 141 | } while (0)
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| 142 |
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| 143 | #define CW_OFFSET_XY_DST(x, y) do { \
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| 144 | (x) = (x) + dst_off_x; \
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| 145 | (y) = (y) + dst_off_y; \
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| 146 | } while (0)
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| 147 |
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| 148 | #define CW_OFFSET_XY_SRC(x, y) do { \
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| 149 | (x) = (x) + src_off_x; \
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| 150 | (y) = (y) + src_off_y; \
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| 151 | } while (0)
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| 152 |
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| 153 | /* cw.c */
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| 154 | extern _X_EXPORT DrawablePtr
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| 155 | cwGetBackingDrawable(DrawablePtr pDrawable, int *x_off, int *y_off);
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| 156 |
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| 157 | /* cw_render.c */
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| 158 |
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| 159 | extern _X_EXPORT void
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| 160 | cwInitializeRender (ScreenPtr pScreen);
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| 161 |
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| 162 | extern _X_EXPORT void
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| 163 | cwFiniRender (ScreenPtr pScreen);
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| 164 |
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| 165 | /* cw.c */
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| 166 |
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| 167 | extern _X_EXPORT void
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| 168 | miInitializeCompositeWrapper(ScreenPtr pScreen);
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