feedback.h revision 1bf9dfaf5dea61e3d33a69b0a549be54ef6d74df 
1/* $Id: feedback.h,v 1.2 1999/09/18 20:41:23 keithw Exp $ */
2
3/*
4 * Mesa 3-D graphics library
5 * Version:  3.1
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
29
30
31#ifndef FEEDBACK_H
32#define FEEDBACK_H
33
34
35#include "types.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 gl_feedback_vertex( GLcontext *ctx,
46                                const GLfloat win[4],
47                                const GLfloat color[4],
48				GLuint index,
49                                const GLfloat texcoord[4] );
50
51
52extern void gl_update_hitflag( GLcontext *ctx, GLfloat z );
53
54
55extern void gl_PassThrough( GLcontext *ctx, GLfloat token );
56
57extern void gl_FeedbackBuffer( GLcontext *ctx, GLsizei size,
58                               GLenum type, GLfloat *buffer );
59
60extern void gl_SelectBuffer( GLcontext *ctx, GLsizei size, GLuint *buffer );
61
62extern void gl_InitNames( GLcontext *ctx );
63
64extern void gl_LoadName( GLcontext *ctx, GLuint name );
65
66extern void gl_PushName( GLcontext *ctx, GLuint name );
67
68extern void gl_PopName( GLcontext *ctx );
69
70extern GLint gl_RenderMode( GLcontext *ctx, GLenum mode );
71
72extern void gl_feedback_points( GLcontext *ctx, GLuint first, GLuint last );
73extern void gl_feedback_line( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv );
74extern void gl_feedback_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
75				  GLuint v2, GLuint pv );
76
77extern void gl_select_points( GLcontext *ctx, GLuint first, GLuint last );
78extern void gl_select_line( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv );
79extern void gl_select_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
80				GLuint v2, GLuint pv );
81
82#endif
83
84