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Type: Posts; User: aho

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    Re: readPixels right with small accuracy?

    >Actually I use readPixels to get the surfacepoint of an object.

    The search term you're looking for is "picking". (Search for: "opengl es" picking)
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    Re: Propertiary content

    That's a rather odd question. I'm not really sure what you could possibly mean by that. So, here is the shotgun answer:

    a) Using WebGL doesn't affect copyright. The content is all yours.

    b) The...
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    Re: Low fps even on empty canvas.

    The problem is that you're utilizing 100% CPU for drawing that at merely ~60 FPS. Without that copy/compositing overhead you'd be at ~1% (at that framerate).

    For example if the canvas is big...
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    Re: Low fps even on empty canvas.

    The forum software just decided to throw my edit away. Great.

    "Very slow" = ~27fps with older Chromium builds, ~85fps with a very recent one. While taking 100% CPU for drawing an empty 800x600...
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    Re: Low fps even on empty canvas.

    Not implemented anywhere yet. But even if you disable it, you'd still get that copying around etc, because the browser is still compositing around. (I.e. you can put other HTML elements on top of it...
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    Re: Requesting API additions

    Use FBOs instead of readPixels.
  7. Thread: WebGL IRC channel

    by aho
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    Re: WebGL IRC channel

    If you don't have an IRC client, head over to http://webchat.freenode.net/

    Enter your nickname in the nickname field and write #webgl in the channels field, then hit "connect".
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    Re: Low fps even on empty canvas.

    http://khronos.org/webgl/wiki/Getting_Started

    "Tight integration with HTML content, including layered compositing, interaction with other HTML elements[...]"

    This is the problem. It behaves...
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