SPIR-V Built-In
FirstVertexHUAWEI
cluster culling shader output variable
FirstVertexHUAWEI
The FirstVertexHUAWEI decoration can be used to decorate a cluster
culling shader output variable,this non-indexed mode specific variable will
contain an integer value that specifies the index of the first vertex in a
cluster to draw.
Valid Usage
VUID-FirstVertexHUAWEI-FirstVertexHUAWEI-07803
The FirstVertexHUAWEI decoration must be used only within the
FirstVertexHUAWEI Execution Model
VUID-FirstVertexHUAWEI-FirstVertexHUAWEI-07804
The variable decorated with FirstVertexHUAWEI must be declared as
a scalar 32-bit integer value