layers: GH873, Fix ETC2 RGBA format class size
authorMark Lobodzinski <mark@lunarg.com>
Tue, 23 Aug 2016 14:49:36 +0000 (08:49 -0600)
committerMark Lobodzinski <mark@lunarg.com>
Tue, 23 Aug 2016 19:58:34 +0000 (13:58 -0600)
commit46d9632baa0e447686de5f9d5ea02bd7a30043e7
treefa508a66d871fcf324aaffb87ce161ab2ab6de46
parente7f1fab24ce4b59bce87246a510b7e52638f83d0
layers: GH873, Fix ETC2 RGBA format class size

These formats were incorrectly specified as using an 8-byte storage
class, but each 4x4 block is actually compressed to 128 bits.

Change-Id: I33353cbe3574f0c640b68c8c3c544a286c79ed49
layers/vk_layer_utils.cpp