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      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 _XRENDERINT_H_
     26 #define _XRENDERINT_H_
     27 
     28 #ifdef HAVE_CONFIG_H
     29 #include <config.h>
     30 #endif
     31 #include <X11/Xlibint.h>
     32 #include <X11/Xutil.h>
     33 #include <X11/extensions/renderproto.h>
     34 #include "Xrender.h"
     35 
     36 #ifndef _X_UNUSED
     37 #define _X_UNUSED /* nothing */
     38 #endif
     39 
     40 typedef struct {
     41     Visual		*visual;
     42     XRenderPictFormat	*format;
     43 } XRenderVisual;
     44 
     45 typedef struct {
     46     int			depth;
     47     int			nvisuals;
     48     XRenderVisual	*visuals;
     49 } XRenderDepth;
     50 
     51 typedef struct {
     52     XRenderDepth	*depths;
     53     int			ndepths;
     54     XRenderPictFormat	*fallback;
     55     int			subpixel;
     56 } XRenderScreen;
     57 
     58 typedef struct _XRenderInfo {
     59     int			major_version;
     60     int			minor_version;
     61     XRenderPictFormat	*format;
     62     int			nformat;
     63     XRenderScreen	*screen;
     64     int			nscreen;
     65     XRenderDepth	*depth;
     66     int			ndepth;
     67     XRenderVisual	*visual;
     68     int			nvisual;
     69     int			*subpixel;
     70     int			nsubpixel;
     71     char		**filter;
     72     int			nfilter;
     73     short    		*filter_alias;
     74     int			nfilter_alias;
     75 } XRenderInfo;
     76 
     77 /* replaces XRenderExtDisplayInfo */
     78 typedef struct _XRenderExtDisplayInfo {
     79     struct _XRenderExtDisplayInfo *next;    /* keep a linked list */
     80     Display                       *display; /* which display this is */
     81     XExtCodes                     *codes;   /* the extension protocol codes */
     82     XRenderInfo                   *info;    /* extra data for the extension to use */
     83 } XRenderExtDisplayInfo;
     84 
     85 /* replaces XExtensionInfo */
     86 typedef struct _XRenderExtInfo {
     87     XRenderExtDisplayInfo  *head;           /* start of the list */
     88     XRenderExtDisplayInfo  *cur;            /* most recently used */
     89     int                     ndisplays;      /* number of displays */
     90 } XRenderExtInfo;
     91 
     92 extern XRenderExtInfo XRenderExtensionInfo;
     93 extern char XRenderExtensionName[];
     94 
     95 XRenderExtDisplayInfo *
     96 XRenderFindDisplay (Display *dpy);
     97 
     98 #define RenderHasExtension(i) ((i) && ((i)->codes))
     99 
    100 #define RenderCheckExtension(dpy,i,val) \
    101   if (!RenderHasExtension(i)) { return val; }
    102 
    103 #define RenderSimpleCheckExtension(dpy,i) \
    104   if (!RenderHasExtension(i)) { return; }
    105 
    106 /*
    107  * Xlib uses long for 32-bit values.  Xrender uses int.  This
    108  * matters on alpha.  Note that this macro assumes that int is 32 bits
    109  * except on WORD64 machines where it is 64 bits.
    110  */
    111 
    112 #ifdef WORD64
    113 #define DataInt32(dpy,d,len)	Data32(dpy,(_Xconst long *) (d),len)
    114 #else
    115 #define DataInt32(dpy,d,len)	Data(dpy,(_Xconst char *) (d),len)
    116 #endif
    117 
    118 #endif /* _XRENDERINT_H_ */
    119