xref: /OK3568_Linux_fs/external/xserver/hw/xquartz/darwinfb.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright (C) 2009 Apple, Inc.
3  * Copyright (c) 2001-2004 Torrey T. Lyons. All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18  * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  *
23  * Except as contained in this notice, the name(s) of the above copyright
24  * holders shall not be used in advertising or otherwise to promote the sale,
25  * use or other dealings in this Software without prior written authorization.
26  */
27 
28 #ifndef _DARWIN_FB_H
29 #define _DARWIN_FB_H
30 
31 #include "scrnintstr.h"
32 
33 typedef struct {
34     void                *framebuffer;
35     int x;
36     int y;
37     int width;
38     int height;
39     int pitch;
40     int depth;
41     int visuals;
42     int bitsPerRGB;
43     int bitsPerPixel;
44     int preferredCVC;
45     Pixel redMask;
46     Pixel greenMask;
47     Pixel blueMask;
48 } DarwinFramebufferRec, *DarwinFramebufferPtr;
49 
50 #define MASK_LH(l, h)       (((1 << (1 + (h) - (l))) - 1) << (l))
51 #define BM_ARGB(a, r, g, b) MASK_LH(0, (b) - 1)
52 #define GM_ARGB(a, r, g, b) MASK_LH(b, (b) + (g) - 1)
53 #define RM_ARGB(a, r, g, b) MASK_LH((b) + (g), (b) + (g) + (r) - 1)
54 #define AM_ARGB(a, r, g, b) MASK_LH((b) + (g) + (r), \
55                                     (b) + (g) + (r) + (a) - 1)
56 
57 #endif  /* _DARWIN_FB_H */
58