1 /*
2  * Mesa 3-D graphics library
3  * Version:  6.5
4  *
5  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included
15  * in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef S_ZOOM_H
26 #define S_ZOOM_H
27 
28 #include "main/mtypes.h"
29 #include "s_span.h"
30 
31 
32 extern void
33 _swrast_write_zoomed_rgba_span(struct gl_context *ctx, GLint imgX, GLint imgY,
34                                const SWspan *span, const GLvoid *rgba);
35 
36 extern void
37 _swrast_write_zoomed_rgb_span(struct gl_context *ctx, GLint imgX, GLint imgY,
38                               const SWspan *span, const GLvoid *rgb);
39 
40 extern void
41 _swrast_write_zoomed_depth_span(struct gl_context *ctx, GLint imgX, GLint imgY,
42                                 const SWspan *span);
43 
44 
45 extern void
46 _swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY,
47                                   GLint width, GLint spanX, GLint spanY,
48                                   const GLubyte stencil[]);
49 
50 extern void
51 _swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY,
52                             GLint width, GLint spanX, GLint spanY,
53                             const GLuint *zVals);
54 
55 
56 #endif
57