1/*
2 * Copyright (c) 2007 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 *
22 * Neither the name of the Advanced Micro Devices, Inc. nor the names of its
23 * contributors may be used to endorse or promote products derived from this
24 * software without specific prior written permission.
25 */
26
27#ifndef AMD_BLEND_H_
28#define AMD_BLEND_H_
29
30#define GEODEPTR_FROM_PIXMAP(x)		\
31		GEODEPTR(xf86Screens[(x)->drawable.pScreen->myNum])
32#define GEODEPTR_FROM_SCREEN(x)		\
33		GEODEPTR(xf86Screens[(x)->myNum])
34#define GEODEPTR_FROM_PICTURE(x)	\
35		GEODEPTR(xf86Screens[(x)->pDrawable->pScreen->myNum])
36
37#define usesPasses(op) (((		\
38   ( 1 << PictOpAtop ) | 		\
39   ( 1 << PictOpAtopReverse ) | \
40   ( 1 << PictOpXor ) | 		\
41   0 ) >> (op)) & 1)
42
43/* pass1 or pass2 */
44#define usesSrcAlpha(op) ((( 		\
45   ( 1 << PictOpOver ) | 			\
46   ( 1 << PictOpInReverse  ) | 		\
47   ( 1 << PictOpOutReverse  ) | 	\
48   ( 1 << PictOpAtop ) | 			\
49   ( 1 << PictOpAtopReverse ) | 	\
50   ( 1 << PictOpXor ) | 			\
51   0 ) >> (op)) & 1)
52
53/* pass1 or pass2 */
54#define usesDstAlpha(op) ((( 		\
55   ( 1 << PictOpOverReverse ) | 	\
56   ( 1 << PictOpIn ) | 				\
57   ( 1 << PictOpOut ) | 			\
58   ( 1 << PictOpAtop ) | 			\
59   ( 1 << PictOpAtopReverse ) | 	\
60   ( 1 << PictOpXor ) | 			\
61   0 ) >> (op)) & 1)
62
63/* non 2 pass ops */
64#define usesChanB0(op) ((( 			\
65   ( 1 << PictOpOver ) | 			\
66   ( 1 << PictOpOverReverse ) | 	\
67   ( 1 << PictOpIn ) | 				\
68   ( 1 << PictOpInReverse ) | 		\
69   ( 1 << PictOpOut ) | 			\
70   ( 1 << PictOpOutReverse ) | 		\
71   ( 1 << PictOpAdd ) | 			\
72   0 ) >> (op)) & 1)
73
74/* pass 1 ops */
75#define usesChanB1(op) ((( 			\
76   ( 1 << PictOpAtop ) | 			\
77   ( 1 << PictOpAtopReverse ) | 	\
78   ( 1 << PictOpXor ) | 			\
79   0 ) >> (op)) & 1)
80
81/* pass 2 ops */
82#define usesChanB2(op) ((( 			\
83   ( 1 << PictOpAtop ) | 			\
84   ( 1 << PictOpAtopReverse ) | 	\
85   ( 1 << PictOpXor ) | 			\
86   0 ) >> (op)) & 1)
87
88#endif
89