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/*
* Mesa 3-D graphics library
* Version: 6.5
*
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef ARBPROGPARSE_H
#define ARBPROGPARSE_H
#include "context.h"
#include "mtypes.h"
#include "program_instruction.h"
#define MAX_INSTRUCTIONS 256
/**
* This is basically a union of the vertex_program and fragment_program
* structs that we can use to parse the program into
*
* XXX we can probably get rid of this entirely someday.
*/
struct arb_program
{
struct program Base;
struct program_parameter_list *Parameters;
GLbitfield InputsRead;
GLbitfield OutputsWritten;
GLuint Position; /* Just used for error reporting while parsing */
GLuint MajorVersion;
GLuint MinorVersion;
/* ARB_vertex_program specifics */
struct prog_instruction VPInstructions[MAX_INSTRUCTIONS];
/* Options currently recognized by the parser */
/* ARB_fp */
GLenum PrecisionOption; /* GL_DONT_CARE, GL_NICEST or GL_FASTEST */
GLenum FogOption; /* GL_NONE, GL_LINEAR, GL_EXP or GL_EXP2 */
/* ARB_fp & _vp */
GLboolean HintPositionInvariant;
/* ARB_fragment_program specifics */
struct prog_instruction FPInstructions[MAX_INSTRUCTIONS];
GLbitfield TexturesUsed[MAX_TEXTURE_IMAGE_UNITS];
GLuint NumAluInstructions;
GLuint NumTexInstructions;
GLuint NumTexIndirections;
GLboolean UsesKill;
};
extern GLboolean
_mesa_parse_arb_program( GLcontext *ctx, const GLubyte *str, GLsizei len,
struct arb_program *program );
#endif
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