9cc8e94524a6ac49ec339523b9f028a5935e29d3
1 /* $Id: s_depth.h,v 1.8 2003/03/25 02:23:45 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
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 #include "s_context.h"
37 _swrast_zbuffer_address(GLcontext
*ctx
, GLint x
, GLint y
);
42 _swrast_depth_test_span( GLcontext
*ctx
, struct sw_span
*span
);
47 _swrast_read_depth_span( GLcontext
*ctx
,
48 GLint n
, GLint x
, GLint y
, GLdepth depth
[] );
52 _swrast_read_depth_span_float( GLcontext
*ctx
, GLint n
, GLint x
, GLint y
,
57 _swrast_alloc_depth_buffer( GLframebuffer
*buffer
);
61 _swrast_clear_depth_buffer( GLcontext
*ctx
);