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Gerd Hoffmann 0780ec7be8 Revert "vnc: allow fall back to RAW encoding" 
This reverts commit de3f7de7f4.

Remove VNC optimization to reencode framebuffer update as raw if it's
smaller than the default encoding.

QEMU's implementation was naive and didn't account for the ZLIB z_stream
mutating with each compression.  Because of the mutation, simply
resetting the output buffer's offset wasn't sufficient to "rewind" the
operation.  The mutated z_stream would generate future zlib blocks which
referred to symbols in past blocks which weren't sent.  This would lead
to artifacting.

Considering that ZRLE is never larger than raw and even though ZLIB can
occasionally be fractionally larger than raw, the overhead of
implementing this optimization correctly isn't worth it.

Signed-off-by: Cameron Esfahani <dirty@apple.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 		2020-01-21 07:09:56 +01:00
..
icons ui: install logo icons to $prefix/share/icons 2019-01-21 09:43:13 +01:00
keycodemapdb@6b3d716e2b ui: update keycodemapdb to get py3 fixes 2018-02-05 19:53:55 -02:00
shader opengl: add flipping vertex shader 2017-10-17 10:25:42 +02:00
Makefile.objs ui: add an embedded Barrier client 2019-09-17 13:43:22 +02:00
cocoa.m ui: Fix hanging up Cocoa display on macOS 10.15 (Catalina) 2019-10-18 10:35:31 +02:00
console-gl.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
console.c ui: Print available display backends with '-display help' 2020-01-14 07:26:36 +01:00
curses.c curses: correctly pass the color pair to setcchar() 2019-10-18 10:39:12 +02:00
curses_keys.h curses: support wide input 2019-03-11 08:39:02 +01:00
cursor.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
cursor_hidden.xpm ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
cursor_left_ptr.xpm ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
egl-context.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
egl-headless.c ui/egl: fix framebuffer reads 2019-09-17 13:42:02 +02:00
egl-helpers.c ui/egl: fix framebuffer reads 2019-09-17 13:42:02 +02:00
gtk-egl.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
gtk-gl-area.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
gtk.c ui/gtk: Get display refresh rate with GDK version 3.22 or later 2020-01-16 14:03:45 +00:00
input-barrier.c ui: fix keymap file search in input-barrier object 2019-10-18 10:40:46 +02:00
input-barrier.h ui: add an embedded Barrier client 2019-09-17 13:43:22 +02:00
input-keymap.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
input-legacy.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
input-linux.c input-linux: add shift+shift as a grab toggle 2019-08-21 12:25:46 +02:00
input.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
kbd-state.c Include qemu/queue.h slightly less 2019-08-16 13:31:52 +02:00
keymaps.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
keymaps.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
qemu-pixman.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
qemu-x509.h ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
qemu.desktop ui: fix icon display for GTK frontend under GNOME Shell with Wayland 2019-01-21 09:43:13 +01:00
sdl2-2d.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
sdl2-gl.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
sdl2-input.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
sdl2.c glib: use portable g_setenv() 2019-12-17 09:05:23 +01:00
shader.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
spice-app.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
spice-core.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
spice-display.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
spice-input.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
trace-events ppm-save: pass opened fd 2020-01-02 13:54:57 +04:00
vgafont.h ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
vnc-auth-sasl.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
vnc-auth-sasl.h Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
vnc-auth-vencrypt.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
vnc-auth-vencrypt.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
vnc-enc-hextile-template.h ui: vnc: finish removing TABs 2019-02-05 16:50:18 +01:00
vnc-enc-hextile.c ui: Clean up includes 2016-02-04 17:01:04 +00:00
vnc-enc-tight.c vnc: fix memory leak when vnc disconnect 2019-09-17 13:45:10 +02:00
vnc-enc-tight.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
vnc-enc-zlib.c vnc: fix memory leak when vnc disconnect 2019-09-17 13:45:10 +02:00
vnc-enc-zrle.c vnc: fix memory leak when vnc disconnect 2019-09-17 13:45:10 +02:00
vnc-enc-zrle.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
vnc-enc-zrle.inc.c vnc: fix memory leak when vnc disconnect 2019-09-17 13:45:10 +02:00
vnc-enc-zywrle-template.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
vnc-enc-zywrle.h ui: vnc: finish removing TABs 2019-02-05 16:50:18 +01:00
vnc-jobs.c vnc: fix memleak of the "vnc-worker-output" name 2018-08-24 08:40:10 +02:00
vnc-jobs.h ui/vnc: Drop unused vnc_has_job() and vnc_jobs_clear() 2017-02-08 14:59:36 +01:00
vnc-palette.c all: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
vnc-palette.h Include qapi/qmp/qlist.h exactly where needed 2018-02-09 13:52:15 +01:00
vnc-stubs.c vnc: add qapi/error.h include to stubs 2018-02-16 12:23:21 +01:00
vnc-ws.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
vnc-ws.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
vnc.c Revert "vnc: allow fall back to RAW encoding" 2020-01-21 07:09:56 +01:00
vnc.h vnc: drop Error pointer indirection in vnc_client_io_error 2019-12-18 08:36:16 +01:00
vnc_keysym.h ui: add next and prior keysyms 2017-07-27 14:23:09 +02:00
x_keymap.c ui: fix keymap detection under Xwayland 2018-04-10 11:21:54 +02:00
x_keymap.h ui: convert GTK and SDL1 frontends to keycodemapdb 2018-01-25 15:02:00 +01:00