feedback.h revision 7117f1b4 
1/**
2 * \file feedback.h
3 * Selection and feedback modes functions.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 * Version:  3.5
9 *
10 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 */
29
30
31#ifndef FEEDBACK_H
32#define FEEDBACK_H
33
34
35#include "mtypes.h"
36
37
38#define FEEDBACK_TOKEN( CTX, T )				\
39	if (CTX->Feedback.Count < CTX->Feedback.BufferSize) {	\
40	   CTX->Feedback.Buffer[CTX->Feedback.Count] = (GLfloat) (T); \
41	}							\
42	CTX->Feedback.Count++;
43
44
45extern void _mesa_init_feedback( GLcontext * ctx );
46
47extern void _mesa_feedback_vertex( GLcontext *ctx,
48                                const GLfloat win[4],
49                                const GLfloat color[4],
50				GLfloat index,
51                                const GLfloat texcoord[4] );
52
53
54extern void _mesa_update_hitflag( GLcontext *ctx, GLfloat z );
55
56
57extern void GLAPIENTRY
58_mesa_PassThrough( GLfloat token );
59
60extern void GLAPIENTRY
61_mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer );
62
63extern void GLAPIENTRY
64_mesa_SelectBuffer( GLsizei size, GLuint *buffer );
65
66extern void GLAPIENTRY
67_mesa_InitNames( void );
68
69extern void GLAPIENTRY
70_mesa_LoadName( GLuint name );
71
72extern void GLAPIENTRY
73_mesa_PushName( GLuint name );
74
75extern void GLAPIENTRY
76_mesa_PopName( void );
77
78extern GLint GLAPIENTRY
79_mesa_RenderMode( GLenum mode );
80
81
82#endif
83