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      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