Creator of the C4 Engine, author of Mathematics for 3D Game Programming & Computer Graphics, editor for the Game Engine Gems series.

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Latest tweets from @ericlengyel

An example of what happens in shadow map when polygons nearly parallel to light dir don't have depth offset clamped. T.co

Aug 13 2014, 7:33pm

RT @TheAllenChou: A game is fun because it's fun, not necessarily because it looks more realistic, renders more pixels, or has higher frameā€¦

Aug 13 2014, 7:14pm

I need the DepthBiasClamp feature from DX10+ in OpenGL to get rid of the sharp angle shadow mapping problem. Surprised there's no extension.

Aug 13 2014, 2:17am

@j3ffdr Does Toolbag have an import/export API through which OpenGEX support could be added? T.co

Aug 12 2014, 10:11pm

I'm surprised by how many 1024 x 1024 x 6 cube shadow maps for short-range point lights can be rendered in 16ms on today's mid-range GPUs.

Aug 12 2014, 7:48pm

The new ARB_direct_state_access extension is great and finally fixes some long-standing problems.

Aug 11 2014, 6:44am

A good way to give your game a little more testing coverage is to let your two year old son have the controls.

Aug 10 2014, 7:55pm

@rygorous then ports could be connected to a ring bus shared by all EUs. No longer need to multiply ports by EU count.

Aug 9 2014, 5:00am

@rygorous [Random thoughts] I wonder if longer pipelines could be staggered so that different EUs never access RF at same time, and ...

Aug 9 2014, 4:59am

@rygorous I also tweeted about banking a few hours ago for the three-operand instructions.

Aug 9 2014, 4:16am

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Terathon Software

Terathon Software

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Terathon Software is the company that develops the C4 Engine.

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