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Image Compressing

March 04 2021

์ด๋ฏธ์ง€ ์••์ถ• PNG/JPG ๋“ฑ์œผ๋กœ ์••์ถ•ํ–ˆ๋”๋ผ๋„ GPU ๋ฉ”๋ชจ๋ฆฌ์— ์ €์žฅํ•  ๋•Œ๋Š” ์••์ถ•์ด ํ’€๋ฆฐ ์ƒํƒœ๋กœ ์ €์žฅ GPU๊ฐ€ ์ด ํŒŒ์ผ์„ ๊ทธ๋Œ€๋กœ ์ฝ์–ด๋“ค์ผ ์ˆ˜ ์—†๊ธฐ ๋•Œ๋ฌธ ๋Œ€์—ญํญ ์‚ฌ์šฉ๋Ÿ‰์— ์ดˆ์ ์„ ๋งž์ถ˜ ํŒŒ์ผ ํ˜•์‹ GPU๊ฐ€ ํ…์Šค์ณ๋กœ ์“ฐ๊ธฐ ์œ„ํ•œ ์••์ถ• ํ˜•์‹์ด ์•„๋‹˜ ๊ฐ€๋ณ€ ๋น„์œจ ์ธ์ฝ”๋”ฉ์„ ์ˆ˜ํ–‰ํ•˜๊ธฐ ๋•Œ๋ฌธ ...

Culling

March 04 2021

Frustum Culling Camera (View) Matrix Far/Near ๊ฐ’์œผ๋กœ ์กฐ์ • ์›๊ฑฐ๋ฆฌ Culling objects์˜ ๋ถ€์ž์—ฐ์Šค๋Ÿฌ์›€ ๊ฐ์ถ”๊ธฐ ์œ„ํ•ด Fog ์‚ฌ์šฉ

๋ฉ”๋ชจ๋ฆฌ ๋Œ€์—ญํญ(Memory Bandwidth)

March 04 2021

๋ฉ”๋ชจ๋ฆฌ ํด๋Ÿญ ๋ฉ”์ธ๋ณด๋“œ์—์„œ ๋ฐœ์ƒํ•˜๋Š” ๋žจ ๋™์ž‘ ์ฃผ๊ธฐ ์‹ ํ˜ธ(MHz) ๋ฉ”๋ชจ๋ฆฌ ๋ฒ„์Šค ํญ ๋ฉ”๋ชจ๋ฆฌ ์ž…์ถœ๋ ฅ ๋ผ์ธ ๊ฐœ์ˆ˜(bit) ๋ฉ”๋ชจ๋ฆฌ ๋Œ€์—ญํญ Memory Clock * Memory bus width ํ•œ๋ฒˆ์˜ ํด๋Ÿญ ์‹ ํ˜ธ๋ฅผ ํ†ตํ•ด์„œ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๋Š” ์šฉ๋Ÿ‰ GPU๊ฐ€ ์ฝ์„ ์ˆ˜ ์žˆ๋Š” ๋ฐ...

Drawcall

March 03 2021

๋“œ๋กœ์šฐ์ฝœ // OpemGL์˜ DrawCall glDrawArrays(); // vertices rendering glDrawElements(); // indices rendering CPU์—์„œ ๊ทธ๋ž˜ํ”ฝ API ํ˜ธ์ถœ์„ ํ†ตํ•ด GPU์— ๋ Œ๋”๋ง์„ ๋ช…๋ นํ•˜๋Š” ๊ฒƒ

SafeArea

February 22 2021

SafeArea ๋ชจ๋ฐ”์ผ ํ•ด์ƒ๋„์—์„œ ์ „๋ฉด ์นด๋ฉ”๋ผ ์˜์—ญ ์นจ๋ฒ”ํ•˜์ง€ ์•Š๊ฒŒ ๋ณด์žฅํ•ด์ฃผ๋Š” ์˜์—ญ ๋…ธ์น˜ํฐ์— ๋Œ€ํ•ด ui ๋ฐฐ์น˜ ๋Œ€์‘์„ ์œ„ํ•ด ์„ค์ •