feedback.h revision 14940c4ffe066a8b85bc14274c19ad3d8e334d61 
1/* $Id: feedback.h,v 1.4 2000/11/05 18:40:58 keithw Exp $ */
2
3/*
4 * Mesa 3-D graphics library
5 * Version:  3.3
6 *
7 * Copyright (C) 1999  Brian Paul   All Rights Reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26
27
28#ifndef FEEDBACK_H
29#define FEEDBACK_H
30
31
32#include "types.h"
33
34
35#define FEEDBACK_TOKEN( CTX, T )				\
36	if (CTX->Feedback.Count < CTX->Feedback.BufferSize) {	\
37	   CTX->Feedback.Buffer[CTX->Feedback.Count] = (GLfloat) (T); \
38	}							\
39	CTX->Feedback.Count++;
40
41
42extern void gl_feedback_vertex( GLcontext *ctx,
43                                const GLfloat win[4],
44                                const GLfloat color[4],
45				GLuint index,
46                                const GLfloat texcoord[4] );
47
48
49extern void gl_update_hitflag( GLcontext *ctx, GLfloat z );
50
51
52extern void
53_mesa_PassThrough( GLfloat token );
54
55extern void
56_mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer );
57
58extern void
59_mesa_SelectBuffer( GLsizei size, GLuint *buffer );
60
61extern void
62_mesa_InitNames( void );
63
64extern void
65_mesa_LoadName( GLuint name );
66
67extern void
68_mesa_PushName( GLuint name );
69
70extern void
71_mesa_PopName( void );
72
73extern GLint
74_mesa_RenderMode( GLenum mode );
75
76
77#endif
78
79