1 /*
2 * Mesa 3-D graphics library
3 * Version: 7.1
4 *
5 * Copyright (C) 1999-2008 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
26 /**
27 * \file pixel.h
28 * Pixel operations.
29 */
30
31
32 #ifndef PIXEL_H
33 #define PIXEL_H
34
35
36 #include "compiler.h"
37 #include "glheader.h"
38 #include "mfeatures.h"
39
40 struct _glapi_table;
41 struct gl_context;
42
43
44 #if FEATURE_pixel_transfer
45
46 extern void GLAPIENTRY
47 _mesa_PixelTransferf(GLenum pname, GLfloat param);
48
49 extern void
50 _mesa_update_pixel( struct gl_context *ctx, GLuint newstate );
51
52 extern void
53 _mesa_init_pixel_dispatch( struct _glapi_table * disp );
54
55 #else /* FEATURE_pixel_transfer */
56
57 static inline void GLAPIENTRY
_mesa_PixelTransferf(GLenum pname,GLfloat param)58 _mesa_PixelTransferf(GLenum pname, GLfloat param)
59 {
60 }
61
62
63 static inline void
_mesa_update_pixel(struct gl_context * ctx,GLuint newstate)64 _mesa_update_pixel(struct gl_context *ctx, GLuint newstate)
65 {
66 }
67
68 static inline void
_mesa_init_pixel_dispatch(struct _glapi_table * disp)69 _mesa_init_pixel_dispatch(struct _glapi_table *disp)
70 {
71 }
72
73 #endif /* FEATURE_pixel_transfer */
74
75
76 extern void
77 _mesa_init_pixel( struct gl_context * ctx );
78
79 /*@}*/
80
81 #endif /* PIXEL_H */
82