[Webkit-unassigned] [Bug 192314] [WinCairo] Enable WebGL 2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=192314

--- Comment #7 from Fujii Hironori <Hironori.Fujii at sony.com> ---
(In reply to Fujii Hironori from comment #4)
> A lot of tests are failing under webgl/2.0.0/conformance2/textures, for
> example,

Only texSubImage2D[SubSource] tests are failing.
There are suspicious FIXME comments in WebGLRenderingContextBase::texImageSourceHelper for Cairo ports.

> // FIXME: Enable this path with ANGLE. Only used with Cairo, not on macOS or iOS.
> // If possible, copy from the bitmap directly to the texture
> // via the GPU, without a read-back to system memory.
> //
> // FIXME: restriction of (RGB || RGBA)/UNSIGNED_BYTE should be lifted when
> // ImageBuffer::copyToPlatformTexture implementations are fully functional.

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