17117f1b4Smrg/*
27117f1b4Smrg * Mesa 3-D graphics library
37117f1b4Smrg *
47117f1b4Smrg * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
57117f1b4Smrg *
67117f1b4Smrg * Permission is hereby granted, free of charge, to any person obtaining a
77117f1b4Smrg * copy of this software and associated documentation files (the "Software"),
87117f1b4Smrg * to deal in the Software without restriction, including without limitation
97117f1b4Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense,
107117f1b4Smrg * and/or sell copies of the Software, and to permit persons to whom the
117117f1b4Smrg * Software is furnished to do so, subject to the following conditions:
127117f1b4Smrg *
137117f1b4Smrg * The above copyright notice and this permission notice shall be included
147117f1b4Smrg * in all copies or substantial portions of the Software.
157117f1b4Smrg *
167117f1b4Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
177117f1b4Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
187117f1b4Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19af69d88dSmrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20af69d88dSmrg * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21af69d88dSmrg * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22af69d88dSmrg * OTHER DEALINGS IN THE SOFTWARE.
237117f1b4Smrg */
247117f1b4Smrg
257117f1b4Smrg
267117f1b4Smrg#ifndef S_STENCIL_H
277117f1b4Smrg#define S_STENCIL_H
287117f1b4Smrg
297117f1b4Smrg
303464ebd5Sriastradh#include "main/mtypes.h"
313464ebd5Sriastradh#include "s_span.h"
327117f1b4Smrg
337117f1b4Smrg
347117f1b4Smrg
357117f1b4Smrgextern GLboolean
363464ebd5Sriastradh_swrast_stencil_and_ztest_span(struct gl_context *ctx, SWspan *span);
377117f1b4Smrg
387117f1b4Smrg
397117f1b4Smrgextern void
403464ebd5Sriastradh_swrast_read_stencil_span(struct gl_context *ctx, struct gl_renderbuffer *rb,
41af69d88dSmrg                          GLint n, GLint x, GLint y, GLubyte stencil[]);
427117f1b4Smrg
437117f1b4Smrg
447117f1b4Smrgextern void
453464ebd5Sriastradh_swrast_write_stencil_span( struct gl_context *ctx, GLint n, GLint x, GLint y,
46af69d88dSmrg                          const GLubyte stencil[] );
477117f1b4Smrg
487117f1b4Smrg
497117f1b4Smrgextern void
50af69d88dSmrg_swrast_clear_stencil_buffer(struct gl_context *ctx);
517117f1b4Smrg
527117f1b4Smrg
537117f1b4Smrg#endif
54