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Going forward with WebRender means that we may not have a LayerManagerComposite in some cases, but we (probably) still need to call PreRender/PostRender, because the cocoa widget at least does useful things there. Seeing as the cocoa widget just needs a GL context from the LayerManagerComposite, and the android widget just needs to set the GL clear color on the compositor, and neither of them really need a LayerManagerComposite specifically, we can replace that argument with a new struct that contains platform-specific fields.
DrawWindowUnderlay/Overlay also don't need any parameters. android is the only widget that uses these functions, and the arguments have not been used for a while.
(In reply to Kartikaya Gupta (email:firstname.lastname@example.org) from comment #1) > DrawWindowUnderlay/Overlay also don't need any parameters. android is the > only widget that uses these functions, and the arguments have not been used > for a while. I was wrong about this, cocoa implements DrawWindowOverlay. So I updated those functions also take the WidgetRenderContext.
Shoot, I forgot to update WinCompositorWidget. I did that locally and am rebuilding to verify it compiles.
Comment on attachment 8808334 [details] Bug 1315706 - Pass a wrapper struct to various CompositorWidget functions. https://reviewboard.mozilla.org/r/91164/#review91066 It'd be nice to do this without #ifdefs, but the #ifdefs are such a small part of the code that I doubt it's worth it yet.
Attachment #8808334 - Flags: review?(dvander) → review+
Yeah if we start needing this in more places we can look into removing the ifdefs and using some sort of widget-specific subclass instead.
Pushed by email@example.com: https://hg.mozilla.org/integration/autoland/rev/dd859148673c Pass a wrapper struct to various CompositorWidget functions. r=dvander
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