viewport.h revision af69d88d 
1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
5 * Copyright (C) 2009  VMware, Inc.   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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27#ifndef VIEWPORT_H
28#define VIEWPORT_H
29
30#include "glheader.h"
31
32struct gl_context;
33
34extern void GLAPIENTRY
35_mesa_Viewport(GLint x, GLint y, GLsizei width, GLsizei height);
36
37extern void GLAPIENTRY
38_mesa_ViewportArrayv(GLuint first, GLsizei count, const GLfloat * v);
39
40extern void GLAPIENTRY
41_mesa_ViewportIndexedf(GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h);
42
43extern void GLAPIENTRY
44_mesa_ViewportIndexedfv(GLuint index, const GLfloat * v);
45
46extern void
47_mesa_set_viewport(struct gl_context *ctx, unsigned idx, GLfloat x, GLfloat y,
48                   GLfloat width, GLfloat height);
49
50
51extern void GLAPIENTRY
52_mesa_DepthRange(GLclampd nearval, GLclampd farval);
53
54extern void GLAPIENTRY
55_mesa_DepthRangef(GLclampf nearval, GLclampf farval);
56
57extern void GLAPIENTRY
58_mesa_DepthRangeArrayv(GLuint first, GLsizei count, const GLclampd * v);
59
60extern void GLAPIENTRY
61_mesa_DepthRangeIndexed(GLuint index, GLclampd n, GLclampd f);
62
63extern void
64_mesa_set_depth_range(struct gl_context *ctx, unsigned idx,
65                      GLclampd nearval, GLclampd farval);
66
67extern void
68_mesa_init_viewport(struct gl_context *ctx);
69
70
71extern void
72_mesa_free_viewport_data(struct gl_context *ctx);
73
74
75#endif
76