| 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 */ |