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vnc: tight: stop using qdict for palette stuff

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Profiling with callgrind seems to show that a lot of time is spent
in the palette code (mostly due to memory allocation and qdict to int
conversion).

This patch adds a VncPalette implementation. The palette is stored
in a hash table, like qdict, but which does way less memory allocations,
and doesn't suffer from the QObject overhead.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Corentin Chary 2010-07-07 20:57:58 +02:00 • committed by Anthony Liguori
parent 3941bf6fb1
commit 5136a05269
4 changed files with 235 additions and 129 deletions
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Makefile.objs
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@ -107,7 +107,7 @@ ui-obj-$(CONFIG_SDL) += sdl.o sdl_zoom.o x_keymap.o
ui-obj-$(CONFIG_CURSES) += curses.o
ui-obj-y += vnc.o d3des.o
ui-obj-y += vnc-enc-zlib.o vnc-enc-hextile.o
ui-obj-y += vnc-enc-tight.o
ui-obj-y += vnc-enc-tight.o vnc-palette.o
ui-obj-$(CONFIG_VNC_TLS) += vnc-tls.o vnc-auth-vencrypt.o
ui-obj-$(CONFIG_VNC_SASL) += vnc-auth-sasl.o
ui-obj-$(CONFIG_COCOA) += cocoa.o