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opengl/intel/ppgtt: memory alignment test.

Sergii Romantsov requested to merge GL/piglit:test/106997_dl_batches_alignment into master

Intel ppgtt-model requires memory addresses to be aligned by page size. Test explores cases with cached memory-buckets and sizes above cached.

v2: copyright updated

CC: Kenneth Graunke kenneth@whitecape.org CC: Lionel G Landwerlin lionel.g.landwerlin@intel.com CC: Chris Wilson chris@chris-wilson.co.uk Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106997 Tests: 24839663a402 (intel/ppgtt: memory address alignment) Tests: a363bb2cd0e2 (i965: Allocate VMA in userspace for full-PPGTT systems.) Signed-off-by: Sergii Romantsov sergii.romantsov@globallogic.com Tested-by: Mark Janes mark.a.janes@intel.com

Resubmit of patch https://patchwork.freedesktop.org/patch/257590/

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