[webkit-reviews] review requested: [Bug 101473] Optimize RGBA4444ToRGBA8 packing/unpacking functions with NEON intrinsics in GraphicsContext3D : [Attachment 172810] patch

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Nov 7 08:19:40 PST 2012


Gabor Rapcsanyi <rgabor at webkit.org> has asked  for review:
Bug 101473: Optimize RGBA4444ToRGBA8 packing/unpacking functions with NEON
intrinsics in GraphicsContext3D
https://bugs.webkit.org/show_bug.cgi?id=101473

Attachment 172810: patch
https://bugs.webkit.org/attachment.cgi?id=172810&action=review

------- Additional Comments from Gabor Rapcsanyi <rgabor at webkit.org>
I tested on Pandaboard with Linaro 12.10 Ubuntu.

unpackOneRowOfRGBA4444ToRGBA8: 2.87x faster
packOneRowOfRGBA8ToUnsignedShort4444: 3.11x faster

With WebGl gl.texImage2D() it was 1.18x faster.


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