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
36 extern GLint GLAPIENTRY
37 _mesa_RenderMode( GLenum mode );
38
39 extern 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
46 static inline void
_mesa_feedback_token(struct gl_context * ctx,GLfloat token)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
56 extern void
57 _mesa_update_hitflag( struct gl_context *ctx, GLfloat z );
58
59
60 extern void
61 _mesa_init_feedback_dispatch(struct _glapi_table *disp);
62
63 #else /* FEATURE_feedback */
64
65 #include "main/compiler.h"
66
67 static inline void
_mesa_feedback_vertex(struct gl_context * ctx,const GLfloat win[4],const GLfloat color[4],const GLfloat texcoord[4])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
78 static inline void
_mesa_feedback_token(struct gl_context * ctx,GLfloat token)79 _mesa_feedback_token( struct gl_context *ctx, GLfloat token )
80 {
81 /* render mode is always GL_RENDER */
82 ASSERT_NO_FEATURE();
83 }
84
85 static inline void
_mesa_update_hitflag(struct gl_context * ctx,GLfloat z)86 _mesa_update_hitflag( struct gl_context *ctx, GLfloat z )
87 {
88 /* render mode is always GL_RENDER */
89 ASSERT_NO_FEATURE();
90 }
91
92 static inline void
_mesa_init_feedback_dispatch(struct _glapi_table * disp)93 _mesa_init_feedback_dispatch(struct _glapi_table *disp)
94 {
95 }
96
97 #endif /* FEATURE_feedback */
98
99 extern void
100 _mesa_init_feedback( struct gl_context *ctx );
101
102 #endif /* FEEDBACK_H */
103