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 
32 struct gl_context;
33 
34 void GLAPIENTRY
35 _mesa_Viewport_no_error(GLint x, GLint y, GLsizei width, GLsizei height);
36 
37 extern void GLAPIENTRY
38 _mesa_Viewport(GLint x, GLint y, GLsizei width, GLsizei height);
39 
40 void GLAPIENTRY
41 _mesa_ViewportArrayv_no_error(GLuint first, GLsizei count, const GLfloat * v);
42 
43 extern void GLAPIENTRY
44 _mesa_ViewportArrayv(GLuint first, GLsizei count, const GLfloat * v);
45 
46 void GLAPIENTRY
47 _mesa_ViewportIndexedf_no_error(GLuint index, GLfloat x, GLfloat y, GLfloat w,
48                                 GLfloat h);
49 
50 extern void GLAPIENTRY
51 _mesa_ViewportIndexedf(GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h);
52 
53 void GLAPIENTRY
54 _mesa_ViewportIndexedfv_no_error(GLuint index, const GLfloat * v);
55 
56 extern void GLAPIENTRY
57 _mesa_ViewportIndexedfv(GLuint index, const GLfloat * v);
58 
59 extern void
60 _mesa_set_viewport(struct gl_context *ctx, unsigned idx, GLfloat x, GLfloat y,
61                    GLfloat width, GLfloat height);
62 
63 
64 extern void GLAPIENTRY
65 _mesa_DepthRange(GLclampd nearval, GLclampd farval);
66 
67 extern void GLAPIENTRY
68 _mesa_DepthRangef(GLclampf nearval, GLclampf farval);
69 
70 void GLAPIENTRY
71 _mesa_DepthRangeArrayv_no_error(GLuint first, GLsizei count,
72                                 const GLclampd * v);
73 
74 extern void GLAPIENTRY
75 _mesa_DepthRangeArrayv(GLuint first, GLsizei count, const GLclampd * v);
76 
77 extern void GLAPIENTRY
78 _mesa_DepthRangeArrayfvOES(GLuint first, GLsizei count, const GLfloat * v);
79 
80 void GLAPIENTRY
81 _mesa_DepthRangeIndexed_no_error(GLuint index, GLclampd n, GLclampd f);
82 
83 extern void GLAPIENTRY
84 _mesa_DepthRangeIndexed(GLuint index, GLclampd n, GLclampd f);
85 
86 extern void GLAPIENTRY
87 _mesa_DepthRangeIndexedfOES(GLuint index, GLfloat n, GLfloat f);
88 
89 extern void
90 _mesa_set_depth_range(struct gl_context *ctx, unsigned idx,
91                       GLclampd nearval, GLclampd farval);
92 
93 extern void
94 _mesa_init_viewport(struct gl_context *ctx);
95 
96 
97 void GLAPIENTRY
98 _mesa_ClipControl_no_error(GLenum origin, GLenum depth);
99 
100 extern void GLAPIENTRY
101 _mesa_ClipControl(GLenum origin, GLenum depth);
102 
103 extern void
104 _mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
105                          float scale[3], float translate[3]);
106 
107 extern void GLAPIENTRY
108 _mesa_SubpixelPrecisionBiasNV_no_error(GLuint xbits, GLuint ybits);
109 
110 extern void GLAPIENTRY
111 _mesa_SubpixelPrecisionBiasNV(GLuint xbits, GLuint ybits);
112 
113 extern void GLAPIENTRY
114 _mesa_ViewportSwizzleNV_no_error(GLuint index,
115                                  GLenum swizzlex, GLenum swizzley,
116                                  GLenum swizzlez, GLenum swizzlew);
117 
118 extern void GLAPIENTRY
119 _mesa_ViewportSwizzleNV(GLuint index,
120                         GLenum swizzlex, GLenum swizzley,
121                         GLenum swizzlez, GLenum swizzlew);
122 
123 #endif
124