Open Inventor Release 2024.1.3
 
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vvizfnc_vert.h
1/*=======================================================================
2 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
3 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
4 *** ***
5 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
6 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
7 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
8 *** ***
9 *** RESTRICTED RIGHTS LEGEND ***
10 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
11 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
12 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
13 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
14 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
15 *** ***
16 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
17 *** BORDEAUX, FRANCE ***
18 *** ALL RIGHTS RESERVED ***
19**=======================================================================*/
20/*=======================================================================
21** Author : VSG (MMM YYYY)
22**=======================================================================*/
23
24#ifndef VVIZFNC_VERT_H
25#define VVIZFNC_VERT_H
26
31void VVizOIV6VertexCompatibility();
32
33
38vec4 VVizGenerateVertex();
39
40
47vec3 VVizTexGen(vec4 vert);
48
57vec3 VVizTexGenVol(vec4 vert);
58
59vec3 VVizComputeViewDir();
60void VVizComputeBackSliceTexCoordPerspective();
61
65void VVizComputeBackSliceTexCoordOrtho();
66
75void VVizComputeBackSliceTexCoord();
76
81void VVizComputeFrontSliceTexCoord();
82
83//Compute lighting vector when multivolume is off.
84void VVizComputeLightingVectorsNoMultiVolume();
85
86//Compute lighting vector when multivolume is on.
87//Vertices are in view space and must be transformed back to object space
88void VVizComputeLightingVectorsMultiVolume();
89
90void VVizComputeLightingVectorsPerspective();
91
92//Compute lighting vector when multivolume is off.
93void VVizComputeLightingVectorsOrthoNoMultiVolume();
94
95//Compute lighting vector when multivolume is on.
96//Vertices are in view space and must be transformed back to object space
97void VVizComputeLightingVectorsOrthoMultiVolume();
98
99
105void VVizComputeTangentToEyeSpaceMatrix();
106
110void VVizComputeLightingVectorsOrtho();
111
119void VVizComputeLightingVectors();
120
122vec4 VVizTextureLod(sampler3D tex, vec3 tcoord, float mipLevel);
123
125vec4 VVizTextureLod(sampler2D tex, vec2 tcoord, float mipLevel);
126
133float VVizGetLuminance(VVIZ_DATATYPE data);
134
135#endif
136
137
float VVizGetLuminance(VVIZ_DATATYPE data)
Compute the luminance of a voxel value.