src/gallium/drivers/r300/r300_fs.h

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  *                Joakim Sindholt <opensource@zhasha.com>
   4  * Copyright 2009 Marek Olšák <maraeo@gmail.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * on the rights to use, copy, modify, merge, publish, distribute, sub
  10  * license, and/or sell copies of the Software, and to permit persons to whom
  11  * the Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  24
  25 #ifndef R300_FS_H
  26 #define R300_FS_H
  27
  28 #include "pipe/p_state.h"
  29 #include "tgsi/tgsi_scan.h"
  30 #include "radeon_code.h"
  31 #include "r300_shader_semantics.h"
  32
  33 struct r300_fragment_shader {
  34     /* Parent class */
  35     struct pipe_shader_state state;
  36
  37     struct tgsi_shader_info info;
  38     struct r300_shader_semantics inputs;
  39
  40     /* Has this shader been translated yet? */
  41     boolean translated;
  42
  43     /* Compiled code */
  44     struct rX00_fragment_program_code code;
  45 };
  46
  47
  48 void r300_translate_fragment_shader(struct r300_context* r300,
  49                                     struct r300_fragment_shader* fs);
  50
  51 static inline boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs)
  52 {
  53     if (!fs)
  54         return FALSE;
  55     return (fs->code.writes_depth) ? TRUE : FALSE;
  56 }
  57 #endif /* R300_FS_H */