現在的 USB 3.1 轉 DP/HDMI Docking - 3C

By Hedwig
at 2021-09-02T01:25
at 2021-09-02T01:25
Table of Contents
最近看到 USB 3.1 的 Hub 兼 DP/HDMI 輸出 docking
越來越流行、也支援 4K 輸出
看了一下 很多是威鋒的 VL817 的解決方案
然後說是 DP 1.4 與 USB 3.1 相容才能這樣玩
不過我就沒看懂的是
這些晶片似乎只有PHY、沒有圖形處理器
所以是?
1. 其實有? 所以插在系統上會抓到一張 USB 3.1/DP 的顯卡?
(感覺應該不是這個)
2. 是全部CPU處理? 所以表面上會抓到顯卡、
實際上所有圖形運算是 CPU 在驅動層處理掉?
3. 全部都沒有? 實際上需要真實顯卡, 系統只負責將原本
顯卡要輸出的影像、copy過去?
(所以實際上是抓到一個輸出接口? 要玩3D也行?)
有沒有理解這一領域的鄉民可以說說看 @_@
--
Tags:
3C
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