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SPIR-V Built-In

PrimitiveLineIndicesEXT

Indices of line primitives in a mesh shader
PrimitiveLineIndicesEXT

Decorating a variable with the PrimitiveLineIndicesEXT decoration will make that variable contain the output array of vertex index values for line primitives.

Valid Usage

VUID-PrimitiveLineIndicesEXT-PrimitiveLineIndicesEXT-07047

The PrimitiveLineIndicesEXT decoration must be used only within the MeshEXT Execution Model

VUID-PrimitiveLineIndicesEXT-PrimitiveLineIndicesEXT-07048

The PrimitiveLineIndicesEXT decoration must be used with the OutputLinesEXT Execution Mode

VUID-PrimitiveLineIndicesEXT-PrimitiveLineIndicesEXT-07049

The variable decorated with PrimitiveLineIndicesEXT must be declared using the Output Storage Class

VUID-PrimitiveLineIndicesEXT-PrimitiveLineIndicesEXT-07050

The variable decorated with PrimitiveLineIndicesEXT must be declared as an array of two component vector 32-bit integer values

VUID-PrimitiveLineIndicesEXT-PrimitiveLineIndicesEXT-07051

All index values of the array decorated with PrimitiveLineIndicesEXT must be in the range [0, N-1], where N is the value specified by the OutputVertices

Execution Mode

VUID-PrimitiveLineIndicesEXT-PrimitiveLineIndicesEXT-07052

The size of the array decorated with PrimitiveLineIndicesEXT must match the value specified by OutputPrimitivesEXT