[Webkit-unassigned] [Bug 222822] WebGL2: SRGB8_ALPHA8 *sometimes* does not linearize texture color

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222822

Brendan Duncan <brendanduncan at gmail.com> changed:

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--- Comment #3 from Brendan Duncan <brendanduncan at gmail.com> ---
Created attachment 422590

  --> https://bugs.webkit.org/attachment.cgi?id=422590&action=review

Revised RGB8_ALPHA8 tests

Three variants of the test:

srgb8_alpha8_oneFrame.html: Draws a single frame of the video, SRGB8_ALPHA8 format. Chrome displays in linear color (darkened); Safari displays in sRGB (original color).

srgb8_alpha8_video.html: Draws the video as its playing in SRGB8_ALPHA8, using ontimeupdate. ontimeupdate playback is not smooth, just demonstrating incorrect color on video.

srgb8_alpha8_compare.html: Two canvases, one drawing the video frame as SRGB8, and the second using SRGB8_ALPHA8. The SRGB8 version is correct, the SRGB8_ALPHA8 version is incorrect.

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