1 /*
2  * Copyright © 2011 Intel Corporation
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 (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #ifndef BRW_PROGRAM_H
25 #define BRW_PROGRAM_H
26 
27 /**
28  * Sampler information needed by VS, WM, and GS program cache keys.
29  */
30 struct brw_sampler_prog_key_data {
31    /**
32     * EXT_texture_swizzle and DEPTH_TEXTURE_MODE swizzles.
33     */
34    uint16_t swizzles[MAX_SAMPLERS];
35 
36    uint16_t gl_clamp_mask[3];
37 
38    /**
39     * YUV conversions, needed for the GL_MESA_ycbcr extension.
40     */
41    uint16_t yuvtex_mask;
42    uint16_t yuvtex_swap_mask; /**< UV swaped */
43 };
44 
45 void brw_populate_sampler_prog_key_data(struct gl_context *ctx,
46 				        const struct gl_program *prog,
47 				        struct brw_sampler_prog_key_data *key);
48 bool brw_debug_recompile_sampler_key(const struct brw_sampler_prog_key_data *old_key,
49                                      const struct brw_sampler_prog_key_data *key);
50 
51 #endif
52