Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright 2009 Marek Olšák <maraeo@gmail.com>
  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.  * on the rights to use, copy, modify, merge, publish, distribute, sub
  8.  * license, and/or sell copies of the Software, and to permit persons to whom
  9.  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18.  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20.  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21.  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22.  
  23. #ifndef R300_SHADER_SEMANTICS_H
  24. #define R300_SHADER_SEMANTICS_H
  25.  
  26. #define ATTR_UNUSED             (-1)
  27. #define ATTR_COLOR_COUNT        2
  28. #define ATTR_GENERIC_COUNT      32
  29.  
  30. /* This structure contains information about what attributes are written by VS
  31.  * or read by FS. (but not both) It's much easier to work with than
  32.  * tgsi_shader_info.
  33.  *
  34.  * The variables contain indices to tgsi_shader_info semantics and those
  35.  * indices are nothing else than input/output register numbers. */
  36. struct r300_shader_semantics {
  37.     int pos;
  38.     int psize;
  39.     int color[ATTR_COLOR_COUNT];
  40.     int bcolor[ATTR_COLOR_COUNT];
  41.     int face;
  42.     int generic[ATTR_GENERIC_COUNT];
  43.     int fog;
  44.     int wpos;
  45.  
  46.     int num_generic;
  47. };
  48.  
  49. static INLINE void r300_shader_semantics_reset(
  50.     struct r300_shader_semantics* info)
  51. {
  52.     int i;
  53.  
  54.     info->pos = ATTR_UNUSED;
  55.     info->psize = ATTR_UNUSED;
  56.     info->face = ATTR_UNUSED;
  57.     info->fog = ATTR_UNUSED;
  58.     info->wpos = ATTR_UNUSED;
  59.  
  60.     for (i = 0; i < ATTR_COLOR_COUNT; i++) {
  61.         info->color[i] = ATTR_UNUSED;
  62.         info->bcolor[i] = ATTR_UNUSED;
  63.     }
  64.  
  65.     for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
  66.         info->generic[i] = ATTR_UNUSED;
  67.     }
  68.  
  69.     info->num_generic = 0;
  70. }
  71.  
  72. #endif
  73.