src/mesa/main/arbparse.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  5.1
   4  *
   5  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Brian Paul
  26  */
  27
  28
  29 #ifndef ARBPARSE_H
  30 #define ARBPARSE_H
  31
  32 #include "context.h"
  33 #include "mtypes.h"
  34 #include "nvvertprog.h"
  35 #include "nvfragprog.h"
  36
  37 /**
  38  * This is basically a union of the vertex_program and fragment_program
  39  * structs that we can use to parse the program into
  40  *
  41  * XXX: this should go into mtypes.h?
  42  */
  43 struct arb_program
  44 {
  45         GLuint type; /* FRAGMENT_PROGRAM_ARB or VERTEX_PROGRAM_ARB */
  46
  47         struct program Base;
  48    struct program_parameter_list *Parameters;
  49         GLuint InputsRead;
  50         GLuint OutputsWritten;
  51
  52         GLuint Position;       /* Just used for error reporting while parsing */
  53         GLuint MajorVersion;
  54         GLuint MinorVersion;
  55
  56         /* ARB_vertex_program specifics */
  57         struct vp_instruction *VPInstructions;
  58
  59         /* Options currently recognized by the parser */
  60         /* ARB_fp */
  61         GLboolean HintPrecisionFastest;
  62         GLboolean HintPrecisionNicest;
  63         GLboolean HintFogExp2;
  64         GLboolean HintFogExp;
  65         GLboolean HintFogLinear;
  66
  67         /* ARB_fp & _vp */
  68         GLboolean HintPositionInvariant;
  69
  70         /* ARB_fragment_program sepecifics */
  71         struct fp_instruction *FPInstructions;
  72    GLuint TexturesUsed[MAX_TEXTURE_IMAGE_UNITS];
  73    GLuint NumAluInstructions;
  74    GLuint NumTexInstructions;
  75    GLuint NumTexIndirections;
  76 };
  77
  78 extern GLuint
  79 _mesa_parse_arb_program( GLcontext *ctx, const GLubyte *str, GLsizei len,
  80                                  struct arb_program *Program );
  81
  82
  83 #endif