src/mesa/state_tracker/st_program.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28  /*
  29   * Authors:
  30   *   Keith Whitwell <keith@tungstengraphics.com>
  31   */
  32
  33
  34 #ifndef ST_PROGRAM_H
  35 #define ST_PROGRAM_H
  36
  37 struct st_fragment_program
  38 {
  39    struct gl_fragment_program Base;
  40    GLboolean error;             /* If program is malformed for any reason. */
  41
  42    GLuint    id;                /* String id, for tracking
  43                                  * ProgramStringNotify changes.
  44                                  */
  45
  46 #if 0
  47    GLfloat (*cbuffer)[4];
  48    GLuint nr_constants;
  49
  50    /* Translate all the parameters, etc, into a constant buffer which
  51     * we update on state changes.
  52     */
  53    struct
  54    {
  55       GLuint reg;               /* Constant idx */
  56       const GLfloat *values;    /* Pointer to tracked values */
  57    } *param;
  58    GLuint nr_params;
  59
  60    GLuint param_state;
  61 #endif
  62 };
  63
  64
  65 void st_init_cb_program( struct st_context *st );
  66 void st_destroy_cb_program( struct st_context *st );
  67
  68 #endif