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/exec/tgsi_token.h"
  39 #include "x86/rtasm/x86sse.h"
  40
  41 #define ST_FP_MAX_TOKENS 1024
  42
  43 struct cso_fragment_shader;
  44 struct cso_vertex_shader;
  45
  46 struct st_fragment_program
  47 {
  48    struct gl_fragment_program Base;
  49    GLboolean error;             /* If program is malformed for any reason. */
  50
  51    GLuint serialNo;
  52
  53    /** The program in TGSI format */
  54    struct tgsi_token tokens[ST_FP_MAX_TOKENS];
  55
  56 #if defined(__i386__) || defined(__386__)
  57    struct x86_function  sse2_program;
  58 #endif
  59
  60    /** Pointer to the corresponding cached shader */
  61    const struct cso_fragment_shader *fs;
  62
  63    GLuint param_state;
  64 };
  65
  66
  67 struct st_vertex_program
  68 {
  69    struct gl_vertex_program Base;  /**< The Mesa vertex program */
  70    GLboolean error;        /**< Set if program is malformed for any reason. */
  71
  72    GLuint serialNo;
  73
  74    /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */
  75    GLuint input_to_index[MAX_VERTEX_PROGRAM_ATTRIBS];
  76    /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
  77    GLuint index_to_input[MAX_VERTEX_PROGRAM_ATTRIBS];
  78
  79    /** The program in TGSI format */
  80    struct tgsi_token tokens[ST_FP_MAX_TOKENS];
  81
  82 #if defined(__i386__) || defined(__386__)
  83    struct x86_function  sse2_program;
  84 #endif
  85
  86    /** Pointer to the corresponding cached shader */
  87    const struct cso_vertex_shader *vs;
  88
  89    GLuint param_state;
  90 };
  91
  92
  93 extern void
  94 st_init_program_functions(struct dd_function_table *functions);
  95
  96
  97 static inline struct st_fragment_program *
  98 st_fragment_program( struct gl_fragment_program *fp )
  99 {
 100    return (struct st_fragment_program *)fp;
 101 }
 102
 103
 104 static inline struct st_vertex_program *
 105 st_vertex_program( struct gl_vertex_program *vp )
 106 {
 107    return (struct st_vertex_program *)vp;
 108 }
 109
 110
 111 extern const struct cso_fragment_shader *
 112 st_translate_fragment_program(struct st_context *st,
 113                               struct st_fragment_program *fp,
 114                               const GLuint inputMapping[],
 115                               struct tgsi_token *tokens,
 116                               GLuint maxTokens);
 117
 118
 119 extern const struct cso_vertex_shader *
 120 st_translate_vertex_program(struct st_context *st,
 121                             struct st_vertex_program *vp,
 122                             const GLuint vert_output_to_slot[],
 123                             struct tgsi_token *tokens,
 124                             GLuint maxTokens);
 125
 126 #endif