l4/pkg/l4con/examples/xf86_stub/include-xorg-6.9.0/xserver/miext/shadow/shadow.h

   1 /*
   2  * $XFree86: xc/programs/Xserver/miext/shadow/shadow.h,v 1.6tsi Exp $
   3  *
   4  * Copyright © 2000 Keith Packard
   5  *
   6  * Permission to use, copy, modify, distribute, and sell this software and its
   7  * documentation for any purpose is hereby granted without fee, provided that
   8  * the above copyright notice appear in all copies and that both that
   9  * copyright notice and this permission notice appear in supporting
  10  * documentation, and that the name of Keith Packard not be used in
  11  * advertising or publicity pertaining to distribution of the software without
  12  * specific, written prior permission.  Keith Packard makes no
  13  * representations about the suitability of this software for any purpose.  It
  14  * is provided "as is" without express or implied warranty.
  15  *
  16  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  18  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  20  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  21  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  22  * PERFORMANCE OF THIS SOFTWARE.
  23  */
  24
  25 #ifndef _SHADOW_H_
  26 #define _SHADOW_H_
  27
  28 #include "scrnintstr.h"
  29
  30 #ifdef RENDER
  31 #include "picturestr.h"
  32 #endif
  33
  34 typedef struct _shadowBuf   *shadowBufPtr;
  35
  36 typedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
  37                                   shadowBufPtr pBuf);
  38
  39 #define SHADOW_WINDOW_RELOCATE 1
  40 #define SHADOW_WINDOW_READ 2
  41 #define SHADOW_WINDOW_WRITE 4
  42
  43 typedef void *(*ShadowWindowProc) (ScreenPtr    pScreen,
  44                                    CARD32       row,
  45                                    CARD32       offset,
  46                                    int          mode,
  47                                    CARD32       *size,
  48                                    void         *closure);
  49
  50 typedef struct _shadowBuf {
  51     shadowBufPtr        pNext;
  52     ShadowUpdateProc    update;
  53     ShadowWindowProc    window;
  54     RegionRec           damage;
  55     PixmapPtr           pPixmap;
  56     void                *closure;
  57     int                 randr;
  58 } shadowBufRec;
  59
  60 /* Match defines from randr extension */
  61 #define SHADOW_ROTATE_0     1
  62 #define SHADOW_ROTATE_90    2
  63 #define SHADOW_ROTATE_180   4
  64 #define SHADOW_ROTATE_270   8
  65 #define SHADOW_ROTATE_ALL   (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
  66                              SHADOW_ROTATE_180|SHADOW_ROTATE_270)
  67 #define SHADOW_REFLECT_X    16
  68 #define SHADOW_REFLECT_Y    32
  69 #define SHADOW_REFLECT_ALL  (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
  70
  71 typedef struct _shadowScrPriv {
  72     PaintWindowBackgroundProcPtr PaintWindowBackground;
  73     PaintWindowBorderProcPtr    PaintWindowBorder;
  74     CopyWindowProcPtr           CopyWindow;
  75     CloseScreenProcPtr          CloseScreen;
  76     CreateGCProcPtr             CreateGC;
  77     GetImageProcPtr             GetImage;
  78 #ifdef RENDER
  79     CompositeProcPtr            Composite;
  80     GlyphsProcPtr               Glyphs;
  81 #endif
  82     shadowBufPtr                pBuf;
  83     BSFuncRec                   BackingStoreFuncs;
  84 } shadowScrPrivRec, *shadowScrPrivPtr;
  85
  86 extern int shadowScrPrivateIndex;
  87
  88 #define shadowGetScrPriv(pScr)  ((shadowScrPrivPtr) (pScr)->devPrivates[shadowScrPrivateIndex].ptr)
  89 #define shadowScrPriv(pScr)     shadowScrPrivPtr    pScrPriv = shadowGetScrPriv(pScr)
  90
  91 Bool
  92 shadowSetup (ScreenPtr pScreen);
  93
  94 Bool
  95 shadowAdd (ScreenPtr        pScreen,
  96            PixmapPtr        pPixmap,
  97            ShadowUpdateProc update,
  98            ShadowWindowProc window,
  99            int              randr,
 100            void             *closure);
 101
 102 void
 103 shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
 104
 105 shadowBufPtr
 106 shadowFindBuf (WindowPtr pWindow);
 107
 108 Bool
 109 shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
 110
 111 void *
 112 shadowAlloc (int width, int height, int bpp);
 113
 114 void
 115 shadowUpdatePacked (ScreenPtr       pScreen,
 116                     shadowBufPtr    pBuf);
 117
 118 void
 119 shadowUpdatePlanar4 (ScreenPtr      pScreen,
 120                      shadowBufPtr   pBuf);
 121
 122 void
 123 shadowUpdatePlanar4x8 (ScreenPtr    pScreen,
 124                        shadowBufPtr pBuf);
 125
 126 void
 127 shadowUpdateRotatePacked (ScreenPtr    pScreen,
 128                           shadowBufPtr pBuf);
 129
 130 void
 131 shadowUpdateRotate8_90 (ScreenPtr    pScreen,
 132                         shadowBufPtr pBuf);
 133
 134 void
 135 shadowUpdateRotate16_90 (ScreenPtr    pScreen,
 136                          shadowBufPtr pBuf);
 137
 138 void
 139 shadowUpdateRotate32_90 (ScreenPtr    pScreen,
 140                          shadowBufPtr pBuf);
 141
 142 void
 143 shadowUpdateRotate8_180 (ScreenPtr    pScreen,
 144                          shadowBufPtr pBuf);
 145
 146 void
 147 shadowUpdateRotate16_180 (ScreenPtr    pScreen,
 148                           shadowBufPtr pBuf);
 149
 150 void
 151 shadowUpdateRotate32_180 (ScreenPtr    pScreen,
 152                           shadowBufPtr pBuf);
 153
 154 void
 155 shadowUpdateRotate8_270 (ScreenPtr    pScreen,
 156                          shadowBufPtr pBuf);
 157
 158 void
 159 shadowUpdateRotate16_270 (ScreenPtr    pScreen,
 160                           shadowBufPtr pBuf);
 161
 162 void
 163 shadowUpdateRotate32_270 (ScreenPtr    pScreen,
 164                           shadowBufPtr pBuf);
 165
 166 typedef void (* shadowUpdateProc)(ScreenPtr, shadowBufPtr);
 167
 168 shadowUpdateProc shadowUpdatePackedWeak(void);
 169 shadowUpdateProc shadowUpdatePlanar4Weak(void);
 170 shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
 171 shadowUpdateProc shadowUpdateRotatePackedWeak(void);
 172
 173 void
 174 shadowWrapGC (GCPtr pGC);
 175
 176 void
 177 shadowUnwrapGC (GCPtr pGC);
 178
 179 #endif /* _SHADOW_H_ */