brw_program.h revision fc3b7c9b56701f23b002543de33a8d8c43f9bdc2 
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 */
30struct brw_sampler_prog_key_data {
31   /**
32    * EXT_texture_swizzle and DEPTH_TEXTURE_MODE swizzles.
33    */
34   uint16_t swizzles[BRW_MAX_TEX_UNIT];
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
45void brw_populate_sampler_prog_key_data(struct gl_context *ctx,
46				        const struct gl_program *prog,
47				        struct brw_sampler_prog_key_data *key);
48bool 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