[Webkit-unassigned] [Bug 44926] Multiple accelerated 2D canvases should be able to use the same GraphicsContext3D

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=44926





--- Comment #20 from James Robinson <jamesr at chromium.org>  2010-09-01 15:31:36 PST ---
> > > WebCore/platform/graphics/skia/PlatformContextSkia.cpp:791
> > > +        m_uploadTexture = context->createTexture(0, Texture::BGRA8, bitmap.width(), bitmap.height());
> > Hmm.. hashing on the NULL ptr (besides making it "magic" and fragile, in case anyone else tries the same trick) will share a single upload texture for all canvases.  This means we might hang onto an 8K texture long after a big canvas is gone, and we only need to upload little 150x150 canvases, e.g.
> 
> A NULL pointer means "do not cache" - look at the changes in createTexture().  It is slightly magic but we need a way to create and upload textures without any caching at all and this seemed as good as any.

Actually, this idea sucked.  I'll add another API for creating a non-cached texture.

-- 
Configure bugmail: https://bugs.webkit.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.