152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/*
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* Mesa 3-D graphics library
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* Version: 6.5.3
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*
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* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file program.c
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* Vertex and fragment program support functions.
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* \author Brian Paul
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*/
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/**
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* \mainpage Mesa vertex and fragment program module
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*
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* This module or directory contains most of the code for vertex and
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* fragment programs and shaders, including state management, parsers,
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* and (some) software routines for executing programs
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*/
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#ifndef PROGRAM_H
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#define PROGRAM_H
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#include "main/mtypes.h"
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extern struct gl_program _mesa_DummyProgram;
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extern void
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_mesa_init_program(GLcontext *ctx);
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extern void
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_mesa_free_program_data(GLcontext *ctx);
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extern void
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_mesa_update_default_objects_program(GLcontext *ctx);
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extern void
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_mesa_set_program_error(GLcontext *ctx, GLint pos, const char *string);
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extern const GLubyte *
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_mesa_find_line_column(const GLubyte *string, const GLubyte *pos,
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GLint *line, GLint *col);
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extern struct gl_program *
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_mesa_init_vertex_program(GLcontext *ctx,
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struct gl_vertex_program *prog,
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GLenum target, GLuint id);
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extern struct gl_program *
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_mesa_init_fragment_program(GLcontext *ctx,
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struct gl_fragment_program *prog,
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GLenum target, GLuint id);
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extern struct gl_program *
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_mesa_new_program(GLcontext *ctx, GLenum target, GLuint id);
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extern void
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_mesa_delete_program(GLcontext *ctx, struct gl_program *prog);
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extern struct gl_program *
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_mesa_lookup_program(GLcontext *ctx, GLuint id);
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extern void
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_mesa_reference_program(GLcontext *ctx,
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struct gl_program **ptr,
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struct gl_program *prog);
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static INLINE void
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_mesa_reference_vertprog(GLcontext *ctx,
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struct gl_vertex_program **ptr,
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struct gl_vertex_program *prog)
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{
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_mesa_reference_program(ctx, (struct gl_program **) ptr,
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(struct gl_program *) prog);
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}
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static INLINE void
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_mesa_reference_fragprog(GLcontext *ctx,
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struct gl_fragment_program **ptr,
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struct gl_fragment_program *prog)
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{
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_mesa_reference_program(ctx, (struct gl_program **) ptr,
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(struct gl_program *) prog);
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}
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extern struct gl_program *
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_mesa_clone_program(GLcontext *ctx, const struct gl_program *prog);
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static INLINE struct gl_vertex_program *
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_mesa_clone_vertex_program(GLcontext *ctx,
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const struct gl_vertex_program *prog)
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{
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return (struct gl_vertex_program *) _mesa_clone_program(ctx, &prog->Base);
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}
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static INLINE struct gl_fragment_program *
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_mesa_clone_fragment_program(GLcontext *ctx,
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const struct gl_fragment_program *prog)
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{
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return (struct gl_fragment_program *) _mesa_clone_program(ctx, &prog->Base);
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}
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extern GLboolean
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_mesa_insert_instructions(struct gl_program *prog, GLuint start, GLuint count);
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extern GLboolean
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_mesa_delete_instructions(struct gl_program *prog, GLuint start, GLuint count);
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extern struct gl_program *
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_mesa_combine_programs(GLcontext *ctx,
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const struct gl_program *progA,
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const struct gl_program *progB);
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extern void
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_mesa_find_used_registers(const struct gl_program *prog,
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gl_register_file file,
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GLboolean used[], GLuint usedSize);
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extern GLint
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_mesa_find_free_register(const GLboolean used[],
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GLuint maxRegs, GLuint firstReg);
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extern void
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_mesa_postprocess_program(GLcontext *ctx, struct gl_program *prog);
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#endif /* PROGRAM_H */
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