feedback.h revision bf8a187f71bd667a0dc0f70164a897d8e62361a8 
1/*
2 * Mesa 3-D graphics library
3 * Version:  7.5
4 *
5 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
6 * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26#ifndef FEEDBACK_H
27#define FEEDBACK_H
28
29
30#include "mtypes.h"
31
32
33extern void
34_mesa_init_feedback( GLcontext *ctx );
35
36extern void
37_mesa_feedback_vertex( GLcontext *ctx,
38                       const GLfloat win[4],
39                       const GLfloat color[4],
40                       GLfloat index,
41                       const GLfloat texcoord[4] );
42
43
44static INLINE void
45_mesa_feedback_token( GLcontext *ctx, GLfloat token )
46{
47   if (ctx->Feedback.Count < ctx->Feedback.BufferSize) {
48      ctx->Feedback.Buffer[ctx->Feedback.Count] = token;
49   }
50   ctx->Feedback.Count++;
51}
52
53
54extern void
55_mesa_update_hitflag( GLcontext *ctx, GLfloat z );
56
57
58extern void GLAPIENTRY
59_mesa_PassThrough( GLfloat token );
60
61extern void GLAPIENTRY
62_mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer );
63
64extern void GLAPIENTRY
65_mesa_SelectBuffer( GLsizei size, GLuint *buffer );
66
67extern void GLAPIENTRY
68_mesa_InitNames( void );
69
70extern void GLAPIENTRY
71_mesa_LoadName( GLuint name );
72
73extern void GLAPIENTRY
74_mesa_PushName( GLuint name );
75
76extern void GLAPIENTRY
77_mesa_PopName( void );
78
79extern GLint GLAPIENTRY
80_mesa_RenderMode( GLenum mode );
81
82
83#endif
84