tree f7674a29d8dc0bc4f258d0f781702842eeb038d3
parent 797f0f82e0521a4aaaad3004dc281df6581c693e
author jchen10 <jie.a.chen@intel.com> 1655867666 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> 1655867666 +0000

Skip Gamma and Gamut conversions for BT.709->SRGB

This introduces a new field 'doYuvToRgbConversionOnly' in
ExternalTextureParams to have the WGSL only do yuv->rgb conversion for
better performance. User studies shows that users don't really care
about the Gamma difference between 2.4 and 2.2.
https://source.chromium.org/chromium/chromium/src/+/main:ui/gfx/color_space.cc;l=1022;drc=a1dbb594a6741a400db35fe3678e77bad2504ea4

Bug: dawn:1082
Bug: dawn:1466
Change-Id: I61c0fe65c5969d8a61c267c202c8dd64c259ed8a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92901
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jie A Chen <jie.a.chen@intel.com>