"The Raven Remastered" renders too dark on GLES
As far as I can see it is not the same issue like with #91 (closed), i.e. there are no blits involved that git to an BGRA_SRGB surface on OpenGL. It could still be an issue with sRGB, i.e. maybe it wants to render to an BGRA_SRGB surface.
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