1 /*
2  * Mesa 3-D graphics library
3  * Version:  7.5
4  *
5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
6  * Copyright (C) 2009  VMware, Inc.   All Rights Reserved.
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included
16  * in all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 
26 
27 #ifndef VIEWPORT_H
28 #define VIEWPORT_H
29 
30 #include "glheader.h"
31 
32 struct gl_context;
33 
34 extern void GLAPIENTRY
35 _mesa_Viewport(GLint x, GLint y, GLsizei width, GLsizei height);
36 
37 
38 extern void
39 _mesa_set_viewport(struct gl_context *ctx, GLint x, GLint y,
40                    GLsizei width, GLsizei height);
41 
42 
43 extern void GLAPIENTRY
44 _mesa_DepthRange(GLclampd nearval, GLclampd farval);
45 
46 extern void GLAPIENTRY
47 _mesa_DepthRangef(GLclampf nearval, GLclampf farval);
48 
49 
50 extern void
51 _mesa_init_viewport(struct gl_context *ctx);
52 
53 
54 extern void
55 _mesa_free_viewport_data(struct gl_context *ctx);
56 
57 
58 #endif
59