darwinfb.h (2197B)
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 */