added svgareadme.txt

git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@733 423420c4-83ab-492f-b58f-81f9feb106b5

uiports/svgareadme.txt

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+This is the svga ui port
+svgalib should be installed
+tested with versions 1.4.3, 1.9.x
+
+svgardesktopbuild.sh can be edited to change file localtions or endianness
+run ./svgardesktopbuild.sh in this directory to compile it
+
+svgareadme.txt - notes, this file
+svgardesktopbuild.sh - script to build
+svgawin.c - ui lib
+
+svgalib has some support for acceleration but most drivers
+do not support it.  I hope they fix this.
+The ones that do are Cirus Logic and ATI Mach 32 cards.
+If running on really slow hardware(486), use one of these cards,
+it improves performance alot.
+
+run ./svgardesktop with no parameters to see a list of 
+commnad line options
+
+You will need to modify the libvga.config file most likely.
+Its in /etc/vga.
+Here is what mine looks like.
+BOF
+ mouse imps2
+ mouse_fake_kbd_event 112 113
+ mouse_accel_mult 1.5
+ mouse_accel_type normal
+ HorizSync 31.5 56.0
+ VertRefresh 50 90
+ nosigint
+EOF
+The mouse_fake_kbd_event line makes the wheel mouse work.
+
+Jay