Shadow map resolution for terrain

Graphics and GPU Programming Programming

Started by polyfrag December 23, 2012 04:25 AM

1 comment, last by max343 11 years, 3 months ago

polyfrag

2,504

Author

December 23, 2012 04:25 AM

I was using a 4096x4096 size shadow map for my RTS map until I realized that it was lagging because of it.

But the new 512x512 is far too small.

What can I do to add detail to the shadows without lagging it?

https://dl.dropbox.com/u/109630018/CorpStates.zip

deftware

1,778

December 23, 2012 05:47 AM

create individual shadows for each structure/object that's on the map, each one of those could be (judging by your screenshot) maybe 64x64, and when drawn would look beautiful.

max343

346

December 24, 2012 12:56 PM

You can implement CSMs. With these you can achieve nice precision for some areas, while sacrificing precision on other areas.

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Shadow map resolution for terrain

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