1 /* $Id: span.h,v 1.2 1997/02/09 18:43:34 brianp Exp $ */ 2 3 /* 4 * Mesa 3-D graphics library 5 * Version: 2.2 6 * Copyright (C) 1995-1997 Brian Paul 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the Free 20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 24 /* 25 * $Log: span.h,v $ 26 * Revision 1.2 1997/02/09 18:43:34 brianp 27 * added GL_EXT_texture3D support 28 * 29 * Revision 1.1 1996/09/13 01:38:16 brianp 30 * Initial revision 31 * 32 */ 33 34 35 #ifndef SPAN_H 36 #define SPAN_H 37 38 39 #include "types.h" 40 41 42 extern void gl_write_index_span( GLcontext *ctx, 43 GLuint n, GLint x, GLint y, GLdepth z[], 44 GLuint index[], GLenum primitive ); 45 46 47 extern void gl_write_monoindex_span( GLcontext *ctx, 48 GLuint n, GLint x, GLint y, GLdepth z[], 49 GLuint index, GLenum primitive ); 50 51 52 extern void gl_write_color_span( GLcontext *ctx, 53 GLuint n, GLint x, GLint y, GLdepth z[], 54 GLubyte red[], GLubyte green[], 55 GLubyte blue[], GLubyte alpha[], 56 GLenum primitive ); 57 58 59 extern void gl_write_monocolor_span( GLcontext *ctx, 60 GLuint n, GLint x, GLint y, GLdepth z[], 61 GLint r, GLint g, GLint b, GLint a, 62 GLenum primitive ); 63 64 65 extern void gl_write_texture_span( GLcontext *ctx, 66 GLuint n, GLint x, GLint y, GLdepth z[], 67 GLfloat s[], GLfloat t[], GLfloat u[], 68 GLfloat lambda[], 69 GLubyte red[], GLubyte green[], 70 GLubyte blue[], GLubyte alpha[], 71 GLenum primitive ); 72 73 74 extern void gl_read_color_span( GLcontext *ctx, 75 GLuint n, GLint x, GLint y, 76 GLubyte red[], GLubyte green[], 77 GLubyte blue[], GLubyte alpha[] ); 78 79 80 extern void gl_read_index_span( GLcontext *ctx, 81 GLuint n, GLint x, GLint y, GLuint indx[] ); 82 83 84 #endif 85