SPIR-V Built-In
ClusterIDHUAWEI
cluster culling shader output variable
ClusterIDHUAWEI
The ClusterIDHUAWEI decoration can be used to decorate a cluster
culling shader output variable,this variable will contain an integer value
that specifies the id of cluster being rendered by this drawing command.
When Cluster Culling Shader enable, ClusterIDHUAWEI will replace
gl_DrawID pass to vertex shader for cluster-related information fetching.
Valid Usage
VUID-ClusterIDHUAWEI-ClusterIDHUAWEI-07797
The ClusterIDHUAWEI decoration must be used only within the
ClusterCullingHUAWEI Execution Model
VUID-ClusterIDHUAWEI-ClusterIDHUAWEI-07798
The variable decorated with ClusterIDHUAWEI must be declared as a
scalar 32-bit integer value