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85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
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/* $Id: span.h,v 1.2 1997/02/09 18:43:34 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 2.2
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* Copyright (C) 1995-1997 Brian Paul
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* $Log: span.h,v $
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* Revision 1.2 1997/02/09 18:43:34 brianp
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* added GL_EXT_texture3D support
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*
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* Revision 1.1 1996/09/13 01:38:16 brianp
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* Initial revision
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*
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*/
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#ifndef SPAN_H
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#define SPAN_H
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#include "types.h"
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extern void gl_write_index_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y, GLdepth z[],
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GLuint index[], GLenum primitive );
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extern void gl_write_monoindex_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y, GLdepth z[],
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GLuint index, GLenum primitive );
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extern void gl_write_color_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y, GLdepth z[],
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GLubyte red[], GLubyte green[],
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GLubyte blue[], GLubyte alpha[],
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GLenum primitive );
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extern void gl_write_monocolor_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y, GLdepth z[],
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GLint r, GLint g, GLint b, GLint a,
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GLenum primitive );
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extern void gl_write_texture_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y, GLdepth z[],
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GLfloat s[], GLfloat t[], GLfloat u[],
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GLfloat lambda[],
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GLubyte red[], GLubyte green[],
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GLubyte blue[], GLubyte alpha[],
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GLenum primitive );
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extern void gl_read_color_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y,
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GLubyte red[], GLubyte green[],
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GLubyte blue[], GLubyte alpha[] );
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extern void gl_read_index_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y, GLuint indx[] );
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#endif
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