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gpu gem ๋ณด๊ณ  ๋ฐฐ์›€

Chapter 17. Efficient Soft-Edged Shadows Using Pixel Shader Branching | NVIDIA Developer




7ceaef35ead42ca36ab8d3b129817673c4de9c8bff1b68b22b4ab1fbb627[1]Chapter 17. Efficient Soft-Edged Shadows Using Pixel Shader Branching | NVIDIA Developer


7def8772e0c32df63ff1dca511f11a3928037563fa767855[2]Chapter 17. Efficient Soft-Edged Shadows Using Pixel Shader Branching | NVIDIA Developer


๊ธฐ์กด PCF๋Š” ๊ฒฉ์ž ๋ชจ์–‘์œผ๋กœ ์ƒ˜ํ”Œ๋ง ํ•˜๋Š”๋ฐ ๊ทธ๊ฑธ ์›ํ˜•์œผ๋กœ ๋ณ€ํ™˜ํ•จ

๋ณ€ํ™˜๋œ ์ƒ˜ํ”Œ๋ง ์ง€์  ์ค‘ ๊ฐ€์žฅ ์™ธ๊ณฝ์— ์žˆ๋Š” ์ ๋“ค๋งŒ ๊ทธ๋ฆผ์ž ํŒ๋ณ„์„ ํ•จ.


๋ชจ๋“  ์ ๋“ค์ด ๊ทธ๋ฆผ์ž์— ์•ˆ์— ์žˆ๊ฑฐ๋‚˜ ๋ฐ–์— ์žˆ๋‹ค๋ฉด ๋” ๊ณ„์‚ฐํ•  ํ•„์š”๊ฐ€ ์—†๊ณ 

๊ทธ๊ฒŒ ์•„๋‹ˆ๋ฉด ๊ทธ๋ฆผ์ž ๊ฒฝ๊ณ„์— ๊ฑธ์นœ ๊ฒฝ์šฐ๋ผ ์›๋ž˜๋Œ€๋กœ ๋ชจ๋“  ์ƒ˜ํ”Œ๋ง ์ง€์ ์— ๋Œ€ํ•ด ํŒ๋ณ„์„ ํ•ด์คŒ


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์œ„ ์‚ฌ์ง„์—์„œ ๋นจ๊ฐ„~๊ฒ€์€ ๋ถ€๋ถ„์ด ์ตœ๋Œ€ ํšŸ์ˆ˜๋กœ ๊ทธ๋ฆผ์ž ํŒ๋ณ„ํ•œ ๋ถ€๋ถ„์ด๊ณ 

ํŒŒ๋ž€ ๋ถ€๋ถ„์ด๋‚˜ ์ƒ‰ ์•ˆ ์น ํ•ด์ง„ ๋ถ€๋ถ„์€ ์ตœ์†Œํ•œ์˜ ํšŸ์ˆ˜๋กœ ํŒ๋ณ„ํ•œ ๋ถ€๋ถ„. ๊ทธ๋ฆผ์ž ๋Œ€๋ถ€๋ถ„์ด ํŒŒ๋ž€์ƒ‰์ด๋ผ ์—ฐ์‚ฐ๋„ ํฌ๊ฒŒ ๋ถ€๋‹ด ์•ˆ ๋˜๊ณ 



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๊ทธ๋ฆผ์ž๋„ ์ด์˜๊ฒŒ ์ž˜ ๋‚˜์˜ด