1 /* $Id: masking.h,v 1.1 1996/09/13 01:38:16 brianp Exp $ */ 2 3 /* 4 * Mesa 3-D graphics library 5 * Version: 2.0 6 * Copyright (C) 1995-1996 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: masking.h,v $ 26 * Revision 1.1 1996/09/13 01:38:16 brianp 27 * Initial revision 28 * 29 */ 30 31 32 #ifndef MASKING_H 33 #define MASKING_H 34 35 36 #include "types.h" 37 38 39 40 extern void gl_IndexMask( GLcontext *ctx, GLuint mask ); 41 42 extern void gl_ColorMask( GLcontext *ctx, GLboolean red, GLboolean green, 43 GLboolean blue, GLboolean alpha ); 44 45 46 /* 47 * Implement glColorMask for a span of RGBA pixels. 48 */ 49 extern void gl_mask_color_span( GLcontext *ctx, 50 GLuint n, GLint x, GLint y, 51 GLubyte red[], GLubyte green[], 52 GLubyte blue[], GLubyte alpha[] ); 53 54 55 56 /* 57 * Implement glColorMask for an array of RGBA pixels. 58 */ 59 extern void gl_mask_color_pixels( GLcontext *ctx, 60 GLuint n, const GLint x[], const GLint y[], 61 GLubyte red[], GLubyte green[], 62 GLubyte blue[], GLubyte alpha[], 63 const GLubyte mask[] ); 64 65 66 67 /* 68 * Implement glIndexMask for a span of CI pixels. 69 */ 70 extern void gl_mask_index_span( GLcontext *ctx, 71 GLuint n, GLint x, GLint y, GLuint index[] ); 72 73 74 75 /* 76 * Implement glIndexMask for an array of CI pixels. 77 */ 78 extern void gl_mask_index_pixels( GLcontext *ctx, 79 GLuint n, const GLint x[], const GLint y[], 80 GLuint index[], const GLubyte mask[] ); 81 82 83 84 #endif 85 86