[Webkit-unassigned] [Bug 76715] Refactor plugin drawing to be more data driven

Fri Jan 27 10:01:58 PST 2012

https://bugs.webkit.org/show_bug.cgi?id=76715

--- Comment #15 from David Reveman <reveman at chromium.org>  2012-01-27 10:01:58 PST ---
(In reply to comment #14)
> When reserving the ioSurfaceTexture, I believe that I should be passing Extensions3D::TEXTURE_RECTANGLE_ARB as the format. With this format, the call to ManagedTexture::reserve reaches GraphicsContext3D::computeFormatAndTypeParameters and then chokes, because TEXTURE_RECTANGLE_ARB isn't expected.
> 
> I've tried just adding TEXTURE_RECTANGLE_ARB to the switch statement in computeFormatAndTypeParameters, but I end up with a GL_INVALID_ENUM error that I'm not sure how to handle.
> 
> Should I be trying to reserve the texture formatted TEXTURE_RECTANGLE_ARB, or am I approaching this incorrectly?

Sorry, I should have looked more closely at this patch. TextureManager doesn't really support foreign texture formats and you can't really allocate the texture on your own when using a ManagedTexture.

I think you'll have to do your own double buffering for it to work correctly with incremental updates. Use two ioSurfaceTextureIds and flip between them for each update.

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