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HDR and BLOOM in AS3 « Dobos Bence — Mon, 23 Aug 2010 10:43:17 +0000

[...] Realtime bloom filter in AS3 Possibly related posts: (automatically generated)HDR Lighting & Bloom; Shadow ProjectionBloom, HDR, Tone mapping Categories: Uncategorized Tags: bloom, Flash, hdr Comments (0) Trackbacks (0) Leave a comment Trackback [...]

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tester — Tue, 28 Jul 2009 03:38:36 +0000

Nice!

I have to admit though, I implemented and optimized it a little bit (for example applying filter every second or third frame to save some CPU, using static bitmaps instead of creating new ones each frame and as it turned out, simple rgb blur filter was faster than using color matrix) but still it’s seriously impacts the FPS.

in my application, it was about ~15-20 drop (from 100, but still)

the most costly thing was applying the fullscreen image onto the rendered viewport bitmap (oh, and using BitmapViewport was also considerably slower than normal Viewport, I don’t really know why) and not the blurring, so you can’t really get away with that :/

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Fur 3D Texture « DEV.PAPERVISION3D.JP — Thu, 09 Jul 2009 01:35:27 +0000

[...] 才能あるデベロッパー、Kode80による素晴らしいファーテクスチャーとリアルタイムブルームフィルターデモ＋ソースコードです。 [...]

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Ben — Tue, 30 Jun 2009 16:38:51 +0000

@Adam the effect itself is relatively light due to its use of BitmapData native methods and working on a scaled down version of the frame. As long as the frame stays within a reasonable size (i.e. full browser sites would be an issue) you should be good. To give you an idea of performance, the above example has a stage of 950×500 and is rendering 40 gouraud shaded papervision spheres.

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Adam — Tue, 30 Jun 2009 16:19:40 +0000

I’d meddled with this concept after seeing it on that X dof demo (http://www.flashbookmarks.com/demos/dofdemo2/).

Have been trying to find the time to build it into a full site, curious to see how it would hold.

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Ben — Tue, 30 Jun 2009 15:00:09 +0000

@Jason I’m always honored to provide that!

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Jason Morris — Tue, 30 Jun 2009 14:39:31 +0000

Great post! I really like the idea of scaling the source operation to reduce processor load since we’re blurring. I have to admit, I’ve been doing operations like this for a while and that’s never crossed my mind. Thanks for the inspiration!