1 /* $Id: stencil.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: stencil.h,v $ 26 * Revision 1.1 1996/09/13 01:38:16 brianp 27 * Initial revision 28 * 29 */ 30 31 32 #ifndef STENCIL_H 33 #define STENCIL_H 34 35 36 #include "types.h" 37 38 39 extern void gl_ClearStencil( GLcontext *ctx, GLint s ); 40 41 42 extern void gl_StencilFunc( GLcontext *ctx, GLenum func, 43 GLint ref, GLuint mask ); 44 45 46 extern void gl_StencilMask( GLcontext *ctx, GLuint mask ); 47 48 49 extern void gl_StencilOp( GLcontext *ctx, GLenum fail, 50 GLenum zfail, GLenum zpass ); 51 52 53 54 extern GLint gl_stencil_span( GLcontext *ctx, 55 GLuint n, GLint x, GLint y, GLubyte mask[] ); 56 57 58 extern void gl_depth_stencil_span( GLcontext *ctx, GLuint n, GLint x, GLint y, 59 const GLdepth z[], GLubyte mask[] ); 60 61 62 extern GLint gl_stencil_pixels( GLcontext *ctx, 63 GLuint n, const GLint x[], const GLint y[], 64 GLubyte mask[] ); 65 66 67 extern void gl_depth_stencil_pixels( GLcontext *ctx, 68 GLuint n, const GLint x[], 69 const GLint y[], const GLdepth z[], 70 GLubyte mask[] ); 71 72 73 extern void gl_read_stencil_span( GLcontext *ctx, 74 GLuint n, GLint x, GLint y, 75 GLubyte stencil[] ); 76 77 78 extern void gl_write_stencil_span( GLcontext *ctx, 79 GLuint n, GLint x, GLint y, 80 const GLubyte stencil[] ); 81 82 83 extern void gl_alloc_stencil_buffer( GLcontext *ctx ); 84 85 86 extern void gl_clear_stencil_buffer( GLcontext *ctx ); 87 88 89 #endif 90