VNCX Problems

James (Wez) Weatherall jnw22 "at" cam.ac.uk
Wed, 17 Nov 1999 11:37:19 +0000


> BTW, I've been working hard on getting client side graphics drawing fast -
> that's primarily what slows down things like bitmaps (especially that
horrid
> default X background :)).  And it's working fantasically.
> I'm using a Windows DIBSection as opposed to a DIB, and copying the pixel
> data directly from the socket onto the bitmap's system memory area.
> I'm also working on directdraw for full screen, which seems to be working
> well too (as soon as i can get the palettes working it should be sweet) -
> should be able to theoretically write pixel data directly onto video
memory.

I tried making WinVNC server read the display graphics through DirectX and
was impressed by just how little difference it made to the speed of the
server, so I'm not sure you'll see much difference, if DIBsections are as
fast as you suggest.

Cheers,

James "Wez" Weatherall
--
          "Xenophobes should go back to Xenophobia"
Laboratory for Communications Engineering, Cambridge - Tel : 766513
AT&T Labs Cambridge, UK                              - Tel : 343000




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