31void VVizOIV6VertexCompatibility();
38vec4 VVizGenerateVertex();
47vec3 VVizTexGen(vec4 vert);
57vec3 VVizTexGenVol(vec4 vert);
59vec3 VVizComputeViewDir();
60void VVizComputeBackSliceTexCoordPerspective();
65void VVizComputeBackSliceTexCoordOrtho();
75void VVizComputeBackSliceTexCoord();
81void VVizComputeFrontSliceTexCoord();
84void VVizComputeLightingVectorsNoMultiVolume();
88void VVizComputeLightingVectorsMultiVolume();
90void VVizComputeLightingVectorsPerspective();
93void VVizComputeLightingVectorsOrthoNoMultiVolume();
97void VVizComputeLightingVectorsOrthoMultiVolume();
105void VVizComputeTangentToEyeSpaceMatrix();
110void VVizComputeLightingVectorsOrtho();
119void VVizComputeLightingVectors();
122vec4 VVizTextureLod(sampler3D tex, vec3 tcoord,
float mipLevel);
125vec4 VVizTextureLod(sampler2D tex, vec2 tcoord,
float mipLevel);
float VVizGetLuminance(VVIZ_DATATYPE data)
Compute the luminance of a voxel value.