madVR v0.91.2發佈 - 3C

By Joseph
at 2016-11-28T23:01
at 2016-11-28T23:01
Table of Contents
測試過後madVR v0.91.3這版本
大幅降低入門卡的門檻
設定邏輯更適合懶人使用
大幅度刪除一些吃重顯卡運算組合的演算法
嗯...是根本不讓你使用...
doom9一些拿卡王在算畫面的
我想瞬間感到空虛...
雖然一些演算組合對畫面影響根本看不出來
只是浪費GPU去做運算
安慰的成分居多
但是對一些練成火眼金睛的使用者還是免不了抱怨
作者也在想這個周末讓super-xbr翻倍回歸XD
提供一些其他設定能夠省一點GPU運算支援
有些設定可以讓你顯卡運算畫面縮短1ms至3ms
有時這樣可以達標不會掉幀
"dithering"這頁
http://i.imgur.com/sjvXwFY.png
這裡演算法主要是提供
以噪點來模擬更多的色階數的演算法
在doom9看到的設置定義是這樣
None: Do not choose this unless you have really crappy GPU. Choose this only f
or performance reasons because the quality is crap.
Random dithering: Also do not choose this unless you have really crappy GPU. C
hoose this only for performance reasons.
Ordered dithering: Choose this if your GPU is not crap but do not support Dire
ctX 11, or if you still happened to use Windows XP.
Error Diffusion–option 1: Choose this if you use Windows 7 or later, have a D
irectX 11 discrete GPU with decent horsepower, and preferably use a monitor wi
th 8-bit display bitdepth or higher.
Error Diffusion–option 2: Choose this if you use Windows 7 or later, have a D
irectX 11 discrete GPU with decent horsepower, and use a monitor with 6-bit di
splay bitdepth.
現在的版本預設是使用
Error Diffusion–option 1
顯卡要支援DirectX 11才能使用...
而且最好螢幕有支援8Bit甚至更高
問題這個演算法要在大螢幕才能感受到差異
而且會吃重GPU的資源
Error Diffusion–option 2
則是6Bit的螢幕適合使用
如果看不出差異螢幕不到40吋
建議用到Ordered dithering就好了
這演算法有接近error diffusion的低噪點表現
GPU可以拿去多開一階升頻翻倍的演算法...
"trade quality for performance"這頁
http://i.imgur.com/7wcn5mT.png
有看萬年冷凍庫就知道
"scale chroma separately, if it saves performance"
打開的話色度升降頻會分開處理
對看4K影片螢幕不到4K的可以減少GPU運算
筆電螢幕如果只有720P應該也是會受益到
"upscaling refinement"這頁
http://i.imgur.com/rqbMmXd.png
任何銳化演算法都會吃到GPU運算
現在NGU演算法夠銳利了
使用SuperRes反而不會有任何好處
"artifact removal"這頁
http://i.imgur.com/o82VztO.png
去色階斷層這個開太大會損失畫質
如果片源很好不在意看到色階也可以關掉省運算資源
中階卡算這個是很輕鬆
入門卡如果頂到就要考慮一下
我調整後
RX460跑FM
RX470跑madVR
SD、DVD 影像翻倍 NGU VeryHigh X4倍
720P 影像翻倍 NGU High X2倍
1080P 影像翻倍 NGU Med X2倍
色度升頻真的就看感覺的
http://i.imgur.com/YY486Km.jpg
720P 影像翻倍 NGU High
色度升頻 NGU High
可以看到就算是開補幀
RX470還有餘力
色度升頻開到NGU High根本就是開爽的= =
但720P翻倍就無法上到NGU VeryHigh
除非不補幀...
NGU這版優化成這樣
入門卡RX460單卡跑FM+madVR
也夠720P片源 算到 NGU Low 影像翻2倍了
--
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