hw/dmx/dmxpict.h

   1 /*
   2  * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation on the rights to use, copy, modify, merge,
  10  * publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
  22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27
  28 /*
  29  * Authors:
  30  *   Kevin E. Martin <kem@redhat.com>
  31  *
  32  */
  33
  34 /** \file
  35  *  This file provides access to the externally visible RENDER support
  36  *  functions, global variables and macros for DMX.
  37  *
  38  *  FIXME: Move function definitions for non-externally visible function
  39  *  to .c file. */
  40
  41 #ifndef DMXPICT_H
  42 #define DMXPICT_H
  43
  44 /** Picture private structure */
  45 typedef struct _dmxPictPriv {
  46     Picture pict;               /**< Picture ID from back-end server */
  47     Mask savedMask;             /**< Mask of picture attributes saved for
  48                                  *   lazy window creation. */
  49 } dmxPictPrivRec, *dmxPictPrivPtr;
  50
  51 /** Glyph Set private structure */
  52 typedef struct _dmxGlyphPriv {
  53     GlyphSet *glyphSets;  /**< Glyph Set IDs from back-end server */
  54 } dmxGlyphPrivRec, *dmxGlyphPrivPtr;
  55
  56 extern void dmxInitRender(void);
  57 extern void dmxResetRender(void);
  58
  59 extern Bool dmxPictureInit(ScreenPtr pScreen,
  60                            PictFormatPtr formats, int nformats);
  61
  62 extern void dmxCreatePictureList(WindowPtr pWindow);
  63 extern Bool dmxDestroyPictureList(WindowPtr pWindow);
  64
  65 extern int dmxCreatePicture(PicturePtr pPicture);
  66 extern void dmxDestroyPicture(PicturePtr pPicture);
  67 extern int dmxChangePictureClip(PicturePtr pPicture, int clipType,
  68                                 void *value, int n);
  69 extern void dmxDestroyPictureClip(PicturePtr pPicture);
  70 extern void dmxChangePicture(PicturePtr pPicture, Mask mask);
  71 extern void dmxValidatePicture(PicturePtr pPicture, Mask mask);
  72 extern void dmxComposite(CARD8 op,
  73                          PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
  74                          INT16 xSrc, INT16 ySrc,
  75                          INT16 xMask, INT16 yMask,
  76                          INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
  77 extern void dmxGlyphs(CARD8 op,
  78                       PicturePtr pSrc, PicturePtr pDst,
  79                       PictFormatPtr maskFormat,
  80                       INT16 xSrc, INT16 ySrc,
  81                       int nlists, GlyphListPtr lists, GlyphPtr * glyphs);
  82 extern void dmxCompositeRects(CARD8 op,
  83                               PicturePtr pDst,
  84                               xRenderColor * color,
  85                               int nRect, xRectangle *rects);
  86 extern Bool dmxInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat);
  87 extern void dmxCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat);
  88 extern void dmxUpdateIndexed(ScreenPtr pScreen, PictFormatPtr pFormat,
  89                              int ndef, xColorItem * pdef);
  90 extern void dmxTrapezoids(CARD8 op,
  91                           PicturePtr pSrc, PicturePtr pDst,
  92                           PictFormatPtr maskFormat,
  93                           INT16 xSrc, INT16 ySrc,
  94                           int ntrap, xTrapezoid * traps);
  95 extern void dmxTriangles(CARD8 op,
  96                          PicturePtr pSrc, PicturePtr pDst,
  97                          PictFormatPtr maskFormat,
  98                          INT16 xSrc, INT16 ySrc, int ntri, xTriangle * tris);
  99
 100 extern int dmxBECreateGlyphSet(int idx, GlyphSetPtr glyphSet);
 101 extern Bool dmxBEFreeGlyphSet(ScreenPtr pScreen, GlyphSetPtr glyphSet);
 102 extern int dmxBECreatePicture(PicturePtr pPicture);
 103 extern Bool dmxBEFreePicture(PicturePtr pPicture);
 104
 105 /** Get the picture private data given a picture pointer */
 106 #define DMX_GET_PICT_PRIV(_pPict)                                       \
 107     (dmxPictPrivPtr)dixLookupPrivate(&(_pPict)->devPrivates, dmxPictPrivateKey)
 108
 109 /** Set the glyphset private data given a glyphset pointer */
 110 #define DMX_SET_GLYPH_PRIV(_pGlyph, _pPriv)                             \
 111     GlyphSetSetPrivate((_pGlyph), dmxGlyphSetPrivateKey, (_pPriv))
 112 /** Get the glyphset private data given a glyphset pointer */
 113 #define DMX_GET_GLYPH_PRIV(_pGlyph)                                     \
 114     (dmxGlyphPrivPtr)GlyphSetGetPrivate((_pGlyph), dmxGlyphSetPrivateKey)
 115
 116 #endif                          /* DMXPICT_H */