1 /* $Id: s_stencil.h,v 1.9 2002/10/02 23:24:04 brianp Exp $ */
4 * Mesa 3-D graphics library
7 * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 _mesa_stencil_and_ztest_span(GLcontext
*ctx
, struct sw_span
*span
);
43 _mesa_read_stencil_span( GLcontext
*ctx
, GLint n
, GLint x
, GLint y
,
44 GLstencil stencil
[] );
48 _mesa_write_stencil_span( GLcontext
*ctx
, GLint n
, GLint x
, GLint y
,
49 const GLstencil stencil
[] );
53 _mesa_alloc_stencil_buffer( GLframebuffer
*buffer
);
57 _mesa_clear_stencil_buffer( GLcontext
*ctx
);