1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* File: stdvds.h
* Description: Declarations for the functions and globals used by the
* "standard" included routines for checking node visibility,
* and for deciding when to fold and unfold nodes. You need
* only #include this file if using these standard routines.
*/
#ifndef _STDVDS_h_
#define _STDVDS_h_
#ifdef __cplusplus
extern "C" {
#endif
#include "vds.h"
#ifdef VDS_DOUBLE_PRECISION
#define GL_VERTEX3V(_v) glVertex3dv(_v)
#define GL_NORMAL3V(_n) glNormal3dv(_n)
#else
#define GL_VERTEX3V(_v) glVertex3fv(_v)
#define GL_NORMAL3V(_n) glNormal3fv(_n)
#endif
/* Public globals, used by the standard visibility and fold criterion tests */
extern vdsVec3 vdsViewPt;
extern vdsVec3 vdsLookVec;
extern vdsFloat vdsFOV;
extern vdsFloat vdsInvTanFOV;
extern vdsFloat vdsThreshold;
/* Common prototypes */
extern void vdsSetFOV(vdsFloat FOV);
extern void vdsSetViewpoint(vdsVec3 viewpt);
extern void vdsSetLookVec(vdsVec3 look);
extern void vdsSetThreshold(vdsFloat thresh);
/* Fold criterion prototypes */
extern int vdsThresholdTest(const vdsNode *node);
/* Visibility test prototypes */
extern int vdsSimpleVisibility(const vdsNode *node);
/* Rendering function prototypes */
extern void vdsRenderWireframe(const vdsNode *node);
extern void vdsRenderShaded(const vdsNode *node);
extern void vdsRenderShadedLit(const vdsNode *node);
extern void vdsRenderLit(const vdsNode *node);
extern unsigned int vdsCountTrisDrawn();
#ifdef __cplusplus
}
#endif
#endif /* _STDVDS_h_ */
|
