src/mesa/drivers/dri/i965/brw_program.h

   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     * For RG32F, gather4's channel select is broken.
  46     */
  47    uint16_t gather_channel_quirk_mask;
  48 };
  49
  50 #ifdef __cplusplus
  51 extern "C" {
  52 #endif
  53
  54 void brw_populate_sampler_prog_key_data(struct gl_context *ctx,
  55                                         const struct gl_program *prog,
  56                                         unsigned sampler_count,
  57                                         struct brw_sampler_prog_key_data *key);
  58 bool brw_debug_recompile_sampler_key(struct brw_context *brw,
  59                                      const struct brw_sampler_prog_key_data *old_key,
  60                                      const struct brw_sampler_prog_key_data *key);
  61 void brw_add_texrect_params(struct gl_program *prog);
  62
  63 #ifdef __cplusplus
  64 } /* extern "C" */
  65 #endif
  66
  67 #endif