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 "main/mfeatures.h"
31#include "main/mtypes.h"
32
33
34#if FEATURE_feedback
35
36extern GLint GLAPIENTRY
37_mesa_RenderMode( GLenum mode );
38
39extern void
40_mesa_feedback_vertex( struct gl_context *ctx,
41                       const GLfloat win[4],
42                       const GLfloat color[4],
43                       const GLfloat texcoord[4] );
44
45
46static inline void
47_mesa_feedback_token( struct gl_context *ctx, GLfloat token )
48{
49   if (ctx->Feedback.Count < ctx->Feedback.BufferSize) {
50      ctx->Feedback.Buffer[ctx->Feedback.Count] = token;
51   }
52   ctx->Feedback.Count++;
53}
54
55
56extern void
57_mesa_update_hitflag( struct gl_context *ctx, GLfloat z );
58
59
60extern void
61_mesa_init_feedback_dispatch(struct _glapi_table *disp);
62
63#else /* FEATURE_feedback */
64
65#include "main/compiler.h"
66
67static inline void
68_mesa_feedback_vertex( struct gl_context *ctx,
69                       const GLfloat win[4],
70                       const GLfloat color[4],
71                       const GLfloat texcoord[4] )
72{
73   /* render mode is always GL_RENDER */
74   ASSERT_NO_FEATURE();
75}
76
77
78static inline void
79_mesa_feedback_token( struct gl_context *ctx, GLfloat token )
80{
81   /* render mode is always GL_RENDER */
82   ASSERT_NO_FEATURE();
83}
84
85static inline void
86_mesa_update_hitflag( struct gl_context *ctx, GLfloat z )
87{
88   /* render mode is always GL_RENDER */
89   ASSERT_NO_FEATURE();
90}
91
92static inline void
93_mesa_init_feedback_dispatch(struct _glapi_table *disp)
94{
95}
96
97#endif /* FEATURE_feedback */
98
99extern void
100_mesa_init_feedback( struct gl_context *ctx );
101
102#endif /* FEEDBACK_H */
103