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- /* $Id: span.h,v 3.4 1998/03/28 03:57:13 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 3.0
- * Copyright (C) 1995-1998 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
- /*
- * $Log: span.h,v $
- * Revision 3.4 1998/03/28 03:57:13 brianp
- * added CONST macro to fix IRIX compilation problems
- *
- * Revision 3.3 1998/02/20 04:50:44 brianp
- * implemented GL_SGIS_multitexture
- *
- * Revision 3.2 1998/02/03 04:26:07 brianp
- * removed const from lambda[] passed to gl_write_texture_span()
- *
- * Revision 3.1 1998/02/02 03:09:34 brianp
- * added GL_LIGHT_MODEL_COLOR_CONTROL (separate specular color interpolation)
- *
- * Revision 3.0 1998/01/31 21:03:42 brianp
- * initial rev
- *
- */
-
-
- #ifndef SPAN_H
- #define SPAN_H
-
-
- #include "types.h"
-
-
- extern void gl_write_index_span( GLcontext *ctx,
- GLuint n, GLint x, GLint y, const GLdepth z[],
- GLuint index[], GLenum primitive );
-
-
- extern void gl_write_monoindex_span( GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLdepth z[],
- GLuint index, GLenum primitive );
-
-
- extern void gl_write_rgba_span( GLcontext *ctx,
- GLuint n, GLint x, GLint y, const GLdepth z[],
- GLubyte rgba[][4], GLenum primitive );
-
-
- extern void gl_write_monocolor_span( GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLdepth z[],
- GLint r, GLint g, GLint b, GLint a,
- GLenum primitive );
-
-
- extern void gl_write_texture_span( GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLdepth z[],
- const GLfloat s[], const GLfloat t[],
- const GLfloat u[], GLfloat lambda[],
- GLubyte rgba[][4], CONST GLubyte spec[][4],
- GLenum primitive );
-
-
- extern void gl_write_multitexture_span( GLcontext *ctx, GLuint texSets,
- GLuint n, GLint x, GLint y,
- const GLdepth z[],
- CONST GLfloat s[][MAX_WIDTH],
- CONST GLfloat t[][MAX_WIDTH],
- CONST GLfloat u[][MAX_WIDTH],
- GLfloat lambda[][MAX_WIDTH],
- GLubyte rgba[][4],
- CONST GLubyte spec[][4],
- GLenum primitive );
-
-
- extern void gl_read_rgba_span( GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- GLubyte rgba[][4] );
-
-
- extern void gl_read_index_span( GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLuint indx[] );
-
-
- #endif
-