[Webkit-unassigned] [Bug 245446] [GTK] weird colours in WebKitGTK2+ browsers on OpenBSD (PowerPC, big endian, OpenGL)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245446

--- Comment #2 from Fujii Hironori <Hironori.Fujii at sony.com> ---
Looking at your screenshot. At least, it seems that red and blue are swapped.

This is the color conversion matrix.
https://github.com/WebKit/WebKit/blob/9c06eb3162b5f48ee882984e91f8ac9d4f9f1fdd/Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp#L435-L445

I think there are more problems. You might need some more swizzling in BitmapTextureGL::updateContents.
https://github.com/WebKit/WebKit/blob/main/Source/WebCore/platform/graphics/texmap/BitmapTextureGL.cpp#L91

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