reactos/lib/mesa32/src/shader/arbprogparse.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.1
   4  *
   5  * Copyright (C) 1999-2004  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
  25
  26 #ifndef ARBPROGPARSE_H
  27 #define ARBPROGPARSE_H
  28
  29 #include "context.h"
  30 #include "mtypes.h"
  31 #include "nvvertprog.h"
  32 #include "nvfragprog.h"
  33
  34 /**
  35  * This is basically a union of the vertex_program and fragment_program
  36  * structs that we can use to parse the program into
  37  *
  38  * XXX: this should go into mtypes.h?
  39  */
  40 struct arb_program
  41 {
  42    struct program Base;
  43    struct program_parameter_list *Parameters;
  44    GLuint InputsRead;
  45    GLuint OutputsWritten;
  46
  47    GLuint Position;       /* Just used for error reporting while parsing */
  48    GLuint MajorVersion;
  49    GLuint MinorVersion;
  50
  51    /* ARB_vertex_program specifics */
  52    struct vp_instruction *VPInstructions;
  53
  54    /* Options currently recognized by the parser */
  55    /* ARB_fp */
  56    GLenum PrecisionOption; /* GL_DONT_CARE, GL_NICEST or GL_FASTEST */
  57    GLenum FogOption;       /* GL_NONE, GL_LINEAR, GL_EXP or GL_EXP2 */
  58
  59    /* ARB_fp & _vp */
  60    GLboolean HintPositionInvariant;
  61
  62    /* ARB_fragment_program sepecifics */
  63    struct fp_instruction *FPInstructions;
  64    GLuint TexturesUsed[MAX_TEXTURE_IMAGE_UNITS];
  65    GLuint NumAluInstructions;
  66    GLuint NumTexInstructions;
  67    GLuint NumTexIndirections;
  68 };
  69
  70 extern GLuint
  71 _mesa_parse_arb_program( GLcontext *ctx, const GLubyte *str, GLsizei len,
  72                          struct arb_program *Program );
  73
  74 #endif