| 1 | /*
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| 2 | * $XFree86: xc/programs/Xserver/fb/fboverlay.h,v 1.4tsi Exp $
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| 3 | *
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| 4 | * Copyright © 2000 SuSE, Inc.
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| 5 | *
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| 6 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 7 | * documentation for any purpose is hereby granted without fee, provided that
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| 8 | * the above copyright notice appear in all copies and that both that
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| 9 | * copyright notice and this permission notice appear in supporting
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| 10 | * documentation, and that the name of SuSE not be used in advertising or
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| 11 | * publicity pertaining to distribution of the software without specific,
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| 12 | * written prior permission. SuSE makes no representations about the
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| 13 | * suitability of this software for any purpose. It is provided "as is"
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| 14 | * without express or implied warranty.
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| 15 | *
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| 16 | * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
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| 18 | * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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| 19 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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| 20 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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| 21 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 22 | *
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| 23 | * Author: Keith Packard, SuSE, Inc.
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| 24 | */
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| 25 |
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| 26 | #ifndef _FBOVERLAY_H_
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| 27 | #define _FBOVERLAY_H_
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| 28 |
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| 29 | extern int fbOverlayGeneration;
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| 30 | extern int fbOverlayScreenPrivateIndex; /* XXX should be static */
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| 31 | extern int fbOverlayGetScreenPrivateIndex(void);
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| 32 |
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| 33 | #ifndef FB_OVERLAY_MAX
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| 34 | #define FB_OVERLAY_MAX 2
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| 35 | #endif
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| 36 |
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| 37 | typedef void (*fbOverlayPaintKeyProc) (DrawablePtr, RegionPtr, CARD32, int);
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| 38 |
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| 39 | typedef struct _fbOverlayLayer {
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| 40 | union {
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| 41 | struct {
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| 42 | pointer pbits;
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| 43 | int width;
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| 44 | int depth;
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| 45 | } init;
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| 46 | struct {
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| 47 | PixmapPtr pixmap;
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| 48 | RegionRec region;
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| 49 | } run;
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| 50 | } u;
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| 51 | CARD32 key; /* special pixel value */
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| 52 | } FbOverlayLayer;
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| 53 |
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| 54 | typedef struct _fbOverlayScrPriv {
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| 55 | int nlayers;
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| 56 | fbOverlayPaintKeyProc PaintKey;
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| 57 | fbCopyProc CopyWindow;
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| 58 | FbOverlayLayer layer[FB_OVERLAY_MAX];
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| 59 | } FbOverlayScrPrivRec, *FbOverlayScrPrivPtr;
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| 60 |
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| 61 | #define fbOverlayGetScrPriv(s) \
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| 62 | ((fbOverlayGetScreenPrivateIndex() != -1) ? \
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| 63 | (s)->devPrivates[fbOverlayGetScreenPrivateIndex()].ptr : NULL)
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| 64 | Bool
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| 65 | fbOverlayCreateWindow(WindowPtr pWin);
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| 66 |
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| 67 | Bool
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| 68 | fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen);
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| 69 |
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| 70 | int
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| 71 | fbOverlayWindowLayer(WindowPtr pWin);
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| 72 |
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| 73 | Bool
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| 74 | fbOverlayCreateScreenResources(ScreenPtr pScreen);
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| 75 |
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| 76 | void
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| 77 | fbOverlayPaintKey (DrawablePtr pDrawable,
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| 78 | RegionPtr pRegion,
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| 79 | CARD32 pixel,
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| 80 | int layer);
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| 81 | void
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| 82 | fbOverlayUpdateLayerRegion (ScreenPtr pScreen,
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| 83 | int layer,
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| 84 | RegionPtr prgn);
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| 85 |
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| 86 |
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| 87 | void
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| 88 | fbOverlayCopyWindow(WindowPtr pWin,
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| 89 | DDXPointRec ptOldOrg,
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| 90 | RegionPtr prgnSrc);
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| 91 |
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| 92 | void
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| 93 | fbOverlayWindowExposures (WindowPtr pWin,
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| 94 | RegionPtr prgn,
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| 95 | RegionPtr other_exposed);
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| 96 |
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| 97 | void
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| 98 | fbOverlayPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what);
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| 99 |
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| 100 |
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| 101 | Bool
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| 102 | fbOverlaySetupScreen(ScreenPtr pScreen,
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| 103 | pointer pbits1,
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| 104 | pointer pbits2,
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| 105 | int xsize,
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| 106 | int ysize,
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| 107 | int dpix,
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| 108 | int dpiy,
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| 109 | int width1,
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| 110 | int width2,
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| 111 | int bpp1,
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| 112 | int bpp2);
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| 113 |
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| 114 | Bool
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| 115 | fbOverlayFinishScreenInit(ScreenPtr pScreen,
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| 116 | pointer pbits1,
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| 117 | pointer pbits2,
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| 118 | int xsize,
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| 119 | int ysize,
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| 120 | int dpix,
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| 121 | int dpiy,
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| 122 | int width1,
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| 123 | int width2,
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| 124 | int bpp1,
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| 125 | int bpp2,
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| 126 | int depth1,
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| 127 | int depth2);
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| 128 |
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| 129 | #endif /* _FBOVERLAY_H_ */
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