gl_LocalInvocationID — contains the index of work item currently being operated on by a compute shader
in uvec3 gl_LocalInvocationID ;
In the compute language,
is an input variable containing the n-dimensional index of the local
work invocation within the work group that the current shader is
executing in. The possible values for this variable range across
the local work group size, i.e., (0,0,0) to (
gl_WorkGroupSize.x - 1,
gl_WorkGroupSize.y - 1,
gl_WorkGroupSize.z - 1).
|OpenGL ES Shading Language Version|
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