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vec4 | VVizOverOperator (vec4 underCol, vec4 overCol) |
| Blend 2 colors using the over operator, result color is not alpha premultiplied.
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float | VVizGetLuminance (VVIZ_DATATYPE data) |
| Compute the luminance of a voxel value.
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vec3 | VVizGetNearestCoord (in VVizVoxelInfo voxelInfo) |
| Returns virtual coordinates of nearest voxel center, taking in account current voxel resolution.
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vec3 | VVizGetNearestCoord (in VVizDataSetId dataset, in VVizVoxelInfo voxelInfo) |
| Returns virtual coordinates of nearest voxel center, taking in account current voxel resolution.
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vec3 | VVizComputePreintegratedGradient (vec3 tcoord0, vec3 tcoord1) |
| Returns the gradient at the center of the two slices.
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vec3 | VVizComputePreintegratedGradient (VVizDataSetId tex, vec3 tcoord0, vec3 tcoord1) |
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vec3 | VVizComputePreintegratedGradient (VVizDataSetId tex, inout VVizVoxelInfo voxelInfoFront, in VVizVoxelInfo voxelInfoBack) |
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vec3 | VVizComputeNormal (vec3 view, vec3 grad) |
| Returns the current normal.
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vec3 | VVizComputeNormal (vec3 view, vec3 grad, float gradNorm) |
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vec3 | VVizComputeNormal (vec3 tcoordVirt) |
| Compute normal in surface of 2D shapes (slices, volumeGeometry, volumeSkin, hzighfield) at given coordinates.
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vec3 | VVizComputeNormal (in VVizDataSetId dataset, vec3 tcoordVirt) |
| Compute normal in surface of 2D shapes (slices, volumeGeometry, volumeSkin, hzighfield) at given coordinates.
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vec4 | VVizComputeIsoMaterial (VVizDataSetId tex, in VVizVoxelInfo voxelInfoFront, in VVizVoxelInfo voxelInfoBack, int maskId) |
| Returns the color of the lighted pixel belonging to the isosurface.
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vec4 | VVizComputePreIntegrated (VVIZ_DATATYPE sf, VVIZ_DATATYPE sb) |
| Convert the volume data values (sf, sb) to a color by lookup in the pre-integrated table.
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vec4 | VVizComputePreIntegrated (VVIZ_DATATYPE sf, VVIZ_DATATYPE sb, int mask) |
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vec4 | VVizComputePreIntegrated (inout VVizVoxelInfo voxelInfoFront, in VVizVoxelInfo voxelInfoBack, int mask) |
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vec4 | VVizComputeVolumeRendering (VVIZ_DATATYPE sf) |
| Returns the conversion of the volume data value sf to color by lookup in the colormap.
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vec4 | VVizComputeVolumeRendering (inout VVizVoxelInfo voxelInfoFront, int mask) |
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vec4 | VVizComputeVolumeRendering (VVIZ_DATATYPE sf, int tfId) |
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vec2 | VVizComputeDiffuseAndSpecularCoeffs (vec3 normal, float gradLength, float threshold, vec3 lightVec, vec3 halfVec, float shininess) |
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vec3 | VVizApplySurfaceScalarInternal (vec3 baseColor, vec3 lightedColor, float gradLength) |
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vec3 | VVizApplySurfaceScalar (vec3 baseColor, vec3 lightedColor, float gradLength) |
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vec4 | VVizComputeVolumeRenderingLighting (in vec4 col, in vec3 normal, in float gradLength) |
| Add lighting to the color col.
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vec4 | VVizComputeVolumeRenderingLighting (in VVizDataSetId dataset, in vec4 col, in vec3 normal, in float gradLength) |
| Add lighting to the color col.
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vec4 | VVizComputePreintegratedLighting (in vec4 col, in vec3 normal, in float gradLength) |
| Add lighting to the color col in the case of pre-integrated rendering.
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vec4 | VVizComputePreintegratedLighting (in VVizDataSetId dataset, in vec4 col, in vec3 normal, in float gradLength) |
| Add lighting to the color col in the case of pre-integrated rendering.
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vec3 | VVizComputeViewVec () |
| Returns the current viewing vector in the model space of the default dataset.
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vec3 | VVizComputeViewVec (in VVizDataSetId dataset) |
| Returns the current viewing vector in the model space of the given dataset.
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bool | VVizIsOutsideTexture (in vec3 tcoord) |
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bool | VVizIsOutsideVolume (in vec3 tcoord) |
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bool | VVizIsOutsideOrOnVolumeBorder (in vec3 tcoord) |
| True if tcoord is on the volume's boundary voxel or out of the volume.
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bool | VVizIsOutsideOrOnVolumeBorder (in VVizDataSetId dataset, in vec3 tcoord) |
| True if tcoord is on the volume's boundary voxel or out of the volume.
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VVIZ_DATATYPE | VVizGetDataPhysicalLod (sampler3D tex, vec3 tcoord, float lod) |
| Sample texture without converting from virtual to physical texture coords.
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VVIZ_DATATYPE | VVizGetDataPhysicalLod (sampler2D tex, vec2 tcoord, float lod) |
| Sample texture without converting from virtual to physical texture coords.
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VVIZ_DATATYPE | VVizGetDataPhysicalLod (VVizDataSetId dataSet, vec3 tcoord, float lod) |
| Sample dataset without converting from virtual to physical texture coords.
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float | VVizGetProjectedDepth (in vec3 tcoord) |
| Return depth in screen space (range [0, 1].
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float | VVizGetProjectedDepth (in VVizDataSetId dataset, in vec3 tcoord) |
| Return depth in screen space (range [0, 1].
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vec2 | VVizGetScreenCoord () |
| Return screen coordinates (range [0, 1]) of current fragment center.
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bool | VVizIsTransparent (in float alphaValue) |
| Return true if alphaValue is considered as fully transparent.
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bool | VVizIsOpaque (in float alphaValue) |
| Return true if alphaValue is considered as fully opaque.
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vec4 | VVizTextureLod (sampler3D tex, vec3 tcoord, float mipLevel) |
| Helper function to fetch a texel at a specific LOD.
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vec4 | VVizTextureLod (sampler2D tex, vec2 tcoord, float mipLevel) |
| Helper function to fetch a texel at a specific LOD.
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vec4 | VVizTextureLod (sampler2D tex, vec3 tcoord, float mipLevel) |
| Helper function to fetch a texel at a specific LOD.
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vec4 | VVizGetColor (VVizDataSetId dataset, in vec3 viewVec, in vec3 rayDir, inout VVizVoxelInfo voxel, in VVizVoxelInfo previousVoxel) |
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void | VVizComputeGradientCommon (in vec3 tcoordFront, in vec3 tcoordBack, out vec3 gradient, out vec3 normal) |
| Computes gradient and normal values at the given texture coordinates.
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void | VVizComputeGradientCommon (VVizDataSetId dataset, in vec3 tcoordFront, in vec3 tcoordBack, out vec3 gradient, out vec3 normal) |
| Computes gradient and normal values for the given dataset at the given texture coordinates.
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