Validate the total invocations within a work group If the total number of invocations within a work group is greater than MAX_COMPUTE_WORK_GROUP_INVOCATIONS, a compile-time error will occur. BUG=angleproject:2572 TEST=dEQP.GLES31/functional_debug_negative_coverage_callbacks_compute_invalid_maximum_work_group_sizes dEQP.GLES31/functional_debug_negative_coverage_log_compute_invalid_maximum_work_group_sizes dEQP.GLES31/functional_debug_negative_coverage_get_error_compute_invalid_maximum_work_group_sizes Change-Id: I8218b618d1b347df2c85cfc67ba82ae91d756e05 Reviewed-on: https://chromium-review.googlesource.com/1066076 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>