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