src/gallium/drivers/r300/r300_fs.h

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  *                Joakim Sindholt <opensource@zhasha.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 #ifndef R300_FS_H
  25 #define R300_FS_H
  26
  27 #include "pipe/p_state.h"
  28
  29 #include "tgsi/tgsi_scan.h"
  30
  31 #include "radeon_code.h"
  32
  33 struct r300_fragment_shader {
  34     /* Parent class */
  35     struct pipe_shader_state state;
  36     struct tgsi_shader_info info;
  37
  38     /* Has this shader been translated yet? */
  39     boolean translated;
  40
  41     /* Compiled code */
  42     struct rX00_fragment_program_code code;
  43 };
  44
  45
  46 void r300_translate_fragment_shader(struct r300_context* r300,
  47                                     struct r300_fragment_shader* fs);
  48
  49 static inline boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs)
  50 {
  51     if (!fs)
  52         return FALSE;
  53     return (fs->code.writes_depth) ? TRUE : FALSE;
  54 }
  55 #endif /* R300_FS_H */