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 #include "mtypes.h"
  38 #include "pipe/tgsi/core/tgsi_token.h"
  39
  40 #define ST_FP_MAX_TOKENS 1024
  41
  42
  43 struct st_fragment_program
  44 {
  45    struct gl_fragment_program Base;
  46    GLboolean error;             /* If program is malformed for any reason. */
  47
  48    GLuint    id;                /* String id, for tracking
  49                                  * ProgramStringNotify changes.
  50                                  */
  51
  52
  53    struct tgsi_token tokens[ST_FP_MAX_TOKENS];
  54    GLboolean dirty;
  55
  56    struct pipe_constant_buffer constants;
  57
  58 #if 0
  59    GLfloat (*cbuffer)[4];
  60    GLuint nr_constants;
  61
  62    /* Translate all the parameters, etc, into a constant buffer which
  63     * we update on state changes.
  64     */
  65    struct
  66    {
  67       GLuint reg;               /* Constant idx */
  68       const GLfloat *values;    /* Pointer to tracked values */
  69    } *param;
  70    GLuint nr_params;
  71 #endif
  72
  73    GLuint param_state;
  74 };
  75
  76
  77 struct st_vertex_program
  78 {
  79    struct gl_vertex_program Base;
  80    GLboolean error;             /* If program is malformed for any reason. */
  81
  82    GLuint    id;                /* String id, for tracking
  83                                  * ProgramStringNotify changes.
  84                                  */
  85
  86    GLboolean dirty;
  87    GLuint param_state;
  88 };
  89
  90
  91 extern void st_init_program_functions(struct dd_function_table *functions);
  92
  93
  94 static inline struct st_fragment_program *
  95 st_fragment_program( struct gl_fragment_program *fp )
  96 {
  97    return (struct st_fragment_program *)fp;
  98 }
  99
 100 static inline struct st_vertex_program *
 101 st_vertex_program( struct gl_vertex_program *vp )
 102 {
 103    return (struct st_vertex_program *)vp;
 104 }
 105
 106 #endif