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gl_LocalInvocationIndex — contains the local linear index of work item currently being operated on by a compute shader


in uint gl_LocalInvocationIndex ;


In the compute language, gl_LocalInvocationIndex is a derived input variable containing the 1-dimensional linearized index of the work invocation within the work group that the current shader is executing on. The value of gl_LocalInvocationIndex is equal to gl_LocalInvocationID.z * gl_WorkGroupSize.x * gl_WorkGroupSize.y + gl_LocalInvocationID.y * gl_WorkGroupSize.x + gl_LocalInvocationID.x.

Version Support

OpenGL ES Shading Language Version
Function Name 1.00 3.00 3.10
gl_LocalInvocationIndex - -
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