commit da573a8ab571bb73d3539a66abbe5c2efd47d7b7
author yizhou.jiang <yizhou.jiang@intel.com> Tue Oct 11 06:21:01 2016
committer Commit bot <commit-bot@chromium.org> Tue Oct 11 06:22:21 2016
tree efb802fb114782927e74d8a8010612c04d233501
parent f2a0e7b5987bb4f8ccc1fc213322b2332fbe1956

emulate srgb format for generateMipmap

First, do sampling for a srgb texture, converting it to a linear
texture. Then generateMipmap in rgb format, and do another sampling to
convert rgb texture to srgb one.

BUG=634519
TEST=conformance2/textures/misc/tex-srgb-mipmap.html
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2318313004
Cr-Commit-Position: refs/heads/master@{#424377}