[Webkit-unassigned] [Bug 177270] WebGL: OES_standard_derivatives fails to compile after a lost context restore

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 21 10:37:30 PDT 2017


Alec Miller <alecazam123 at gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |alecazam123 at gmail.com

--- Comment #2 from Alec Miller <alecazam123 at gmail.com> ---
We also had EXT_shader_texture_lod fail on reloading.  We don't use a lot of shader WebGL extensions, so it could be all WebGL extensions.  It seems like WebKit must have an internal cache of the original extensions that isn't getting reset on context loss.  A program that compiled and ran initially doesn't compile and run the second time, or may take slower or different shader paths.

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