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]]> By: Steve Elbows http://www.glge.org/implemented_shadows/comment-page-1/#comment-202 Steve Elbows Mon, 01 Feb 2010 16:50:28 +0000 http://www.glge.org/?p=52#comment-202 This demo has those pesky integer-float issues and wont run for me on webkit. This demo has those pesky integer-float issues and wont run for me on webkit.

]]> By: seth http://www.glge.org/implemented_shadows/comment-page-1/#comment-56 seth Fri, 15 Jan 2010 20:41:47 +0000 http://www.glge.org/?p=52#comment-56 agreed. i *think* (this has been said before) that we're looking at the future standard for web 3d. it's the beginning and more development has to happen, but 35% of browsers are looking to support it. and microsoft can only swing the momentum if they don't do anything and wait for or help adobe to make a move through flash. agreed. i *think* (this has been said before) that we’re looking at the future standard for web 3d. it’s the beginning and more development has to happen, but 35% of browsers are looking to support it. and microsoft can only swing the momentum if they don’t do anything and wait for or help adobe to make a move through flash.

]]> By: WebGL around the net, 13 Jan 2010 | Learning WebGL http://www.glge.org/implemented_shadows/comment-page-1/#comment-53 WebGL around the net, 13 Jan 2010 | Learning WebGL Wed, 13 Jan 2010 18:57:58 +0000 http://www.glge.org/?p=52#comment-53 [...] Brunt has managed to add shadows to GLGE! Shadows require some fairly complex trickery with frame buffers to work properly, and [...] [...] Brunt has managed to add shadows to GLGE! Shadows require some fairly complex trickery with frame buffers to work properly, and [...]

]]> By: Paul Brunt http://www.glge.org/implemented_shadows/comment-page-1/#comment-50 Paul Brunt Tue, 12 Jan 2010 20:36:14 +0000 http://www.glge.org/?p=52#comment-50 There is a little self shadowing, check out the hat :-) but you're right it doesn't seem to have the precision. I had to set the bias so high to get rid of the artifacts that the shadow on the character all but disappeared :-( I'm hoping that when depth pixel formats are supported it'll improve the situation. Hopefully, WebGLArrays will much improve the 100x estimate, but we can but try ;-) I'll have to run some tests soon to see what can be achieved. There is a little self shadowing, check out the hat :-) but you’re right it doesn’t seem to have the precision. I had to set the bias so high to get rid of the artifacts that the shadow on the character all but disappeared :-( I’m hoping that when depth pixel formats are supported it’ll improve the situation.

Hopefully, WebGLArrays will much improve the 100x estimate, but we can but try ;-) I’ll have to run some tests soon to see what can be achieved.

]]> By: seth http://www.glge.org/implemented_shadows/comment-page-1/#comment-49 seth Tue, 12 Jan 2010 19:16:18 +0000 http://www.glge.org/?p=52#comment-49 from what i could tell of the sample, you aren't dealing with self shadowing (character to self). is that correct? is the precision too little and the artifacts apparent? btw, don't overestimate javascript either. C is probably closer to 100x the performance, especially in this arena. the overhead required to sift though binary data or deal with large scale scene management can be considerable. but quake seems doable. openCL binding would be nice, but that's a long way off. openCL requires at least as much direct memory management and unless binary tools extensions are available, it would be quite frustrating. the time spent doing housekeeping in javascript could end up eating your gains. from what i could tell of the sample, you aren’t dealing with self shadowing (character to self). is that correct? is the precision too little and the artifacts apparent?

btw, don’t overestimate javascript either. C is probably closer to 100x the performance, especially in this arena. the overhead required to sift though binary data or deal with large scale scene management can be considerable. but quake seems doable.

openCL binding would be nice, but that’s a long way off. openCL requires at least as much direct memory management and unless binary tools extensions are available, it would be quite frustrating. the time spent doing housekeeping in javascript could end up eating your gains.

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