| Standard Semantics | Type | Description |
|---|---|---|
| Ambient | float4 | Ambient color. |
| Attenuation | float3 or float4 | Attenuation value, whose value can be one of the following:
|
| BoundingBoxMax | float3 | Bounding box maximum for x, y, z. |
| BoundingBoxMin | float3 | Bounding box minimum for x, y, z. |
| BoundingBoxSize | float3 | Bounding box size for x, y, z. |
| BoundingCenter | vector | Bounding box center. |
| BoundingSphereSize | float1 | Median bounding sphere radius. |
| BoundingSphereMin | float1 | Minimum bounding sphere radius. |
| BoundingSphereMax | float1 | Maximum bounding sphere radius. |
| Diffuse | float4 | Diffuse color. |
| ElapsedTime | float1 | Elapsed time. Useful when LastTime may not be accurate due to looping simulations. |
| Emissive | float4 | Emissive color. |
| EnvironmentNormal | texture | Environment normal map. |
| Height | 1 component numeric or a texture | Height value in a bump map. |
| Joint | float4 | Object space to Frame-Joint space |
| JointWorld | float4x4 | Joint world matrix. |
| JointWorldInverse | float4x4 | Joint inverse world matrix. |
| JointWorldInverseTranspose | float4x4 | Joint transposed, inverse world matrix. |
| JointWorldView | float4x4 | Joint world-view matrix. |
| JointWorldViewInverse | float4x4 | Joint inverse world-view matrix. |
| JointWorldViewInverseTranspose | float4x4 | Joint transposed, inverse world-view matrix. |
| JointWorldViewProjection | float4x4 | Joint world-view-projection matrix. |
| JointWorldViewProjectionInverse | float4x4 | Joint inverse world-view-projection matrix. |
| JointWorldViewProjectionInverseTranspose | float4x4 | Joint transposed, inverse world-view-projection matrix. |
| LastTime | float1 | Last simulation time. |
| Normal | 3 or 4 component numeric or texture | Surface normal vector. |
| Opacity | float1, float2, float3, float4, or texture | Object opacity. Can be a single value or a per-component value. |
| Position | float4 | XYZW position. |
| Projection | float4x4 | Projection matrix. |
| ProjectionInverse | float4x4 | Inverse projection matrix. |
| ProjectionInverseTranspose | float4x4 | Transposed, inverse projection matrix. |
| Random | numeric | Random numbers. |
| Refraction | float1, float2, float3, float4, or texture | Refraction value for an environment map. Can be a single value or a per-component value. |
| RenderColorTarget | texture | Rendertarget surface. |
| RenderDepthStencilTarget | texture | Depth/stencil surface. |
| RenderTargetClipping | 4 components | Clipping parameters which include: near distance, far distance, width angle (radians), and height angle(radians). |
| RenderTargetDimensions | 2 component | Rendertarget width and height in pixels. |
| Specular | float4 | Specular color. |
| SpecularPower | float1 to float4 | Specular power exponent. Can be a single value or a per-component value. |
| StandardsGlobal | float1 | Standard annotation version number. Default value is 0.80. This may appear only once in a script. |
| TextureMatrix | float4x4 | Texture coordinate transform matrix. |
| Time | float | Simulation time. |
| UnitsScale | float | Model scale value. |
| View | float4x4 | View matrix. |
| ViewInverse | float4x4 | Inverse view matrix. |
| ViewInverseTranspose | float4x4 | Transposed, inverse view matrix. |
| ViewProjection | float4x4 | View-projection matrix. |
| ViewProjectionInverse | float4x4 | Inverse view-projection matrix. |
| ViewProjectionInverseTranspose | float4x4 | Transposed, inverse view-projection matrix. |
| World | float4x4 | World matrix. |
| WorldInverse | float4x4 | Inverse world matrix. |
| WorldInverseTranspose | float4x4 | Transposed, inverse world matrix. |
| WorldView | float4x4 | Transposed, inverse world-view matrix. |
| WorldViewInverse | float4x4 | Inverse world-view matrix. |
| WorldViewInverseTranspose | float4x4 | Transposed, inverse world-view matrix. |
| WorldViewProjection | float4x4 | World-view-projection matrix. |
| WorldViewProjectionInverse | float4x4 | Inverse world-view-projection matrix. |
| WorldViewProjectionInverseTranspose | float4x4 | Transposed, inverse world-view-projection matrix. |
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