/* $Id: s_stencil.h,v 1.5 2002/02/02 17:24:11 brianp Exp $ */ /* * Mesa 3-D graphics library * Version: 4.1 * * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef S_STENCIL_H #define S_STENCIL_H #include "mtypes.h" #include "swrast.h" extern GLboolean _mesa_stencil_and_ztest_span(GLcontext *ctx, struct sw_span *span); extern GLboolean _mesa_stencil_and_ztest_pixels( GLcontext *ctx, GLuint n, const GLint x[], const GLint y[], const GLdepth z[], GLubyte mask[] ); extern void _mesa_read_stencil_span( GLcontext *ctx, GLint n, GLint x, GLint y, GLstencil stencil[] ); extern void _mesa_write_stencil_span( GLcontext *ctx, GLint n, GLint x, GLint y, const GLstencil stencil[] ); extern void _mesa_alloc_stencil_buffer( GLcontext *ctx ); extern void _mesa_clear_stencil_buffer( GLcontext *ctx ); #endif