[Public WebGL] Some WebGL draft feedback
Mark Callow
[email protected]
Wed Jan 13 20:00:31 PST 2010
Khronos has developed an extension for supporting video in GL textures.
I'm not sure if it is public yet. Whatever we do needs to be compatible.
Regards
-Mark
Kenneth Russell wrote:
> On Wed, Jan 13, 2010 at 7:22 AM, Chris Marrin <[email protected]
> <mailto:[email protected]>> wrote:
>
>
> ...
>
> This is something I have been thinking about for Video elements as
> well. "Use" semantics would allow a hardware video buffer to be
> used as a texture source (given the proper support in the
> implementation. For instance:
>
> gl.useTexture(videoElement);
>
> Now whenever this texture is used as an image source the
> implementation would need to make the video frame available. On
> some impementations this would be pretty much the equivalent of
> texImage2D (copying pixels). But on some a hardware video buffer
> could be made available. The same is true of Canvas elements.
>
> But all of this should be left till the second release of the spec.
>
>
> I agree that a proposal such as this should be left for a future
> revision of the spec. It seems to me that it would introduce even
> worse synchronization problems than supporting multiple rendering
> contexts on a single canvas.
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://khronos.org/pipermail/public_webgl_khronos.org/attachments/20100114/c63fde7e/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: callow_mark.vcf
Type: text/x-vcard
Size: 398 bytes
Desc: not available
URL: <http://khronos.org/pipermail/public_webgl_khronos.org/attachments/20100114/c63fde7e/attachment.vcf>
More information about the public_webgl
mailing list