| Commit message (Collapse) | Author | Age | Files | Lines |
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02c2b87 introduced a regression whereas the foreground color in a hextile
update was not being properly invalidated leading to artifacts.
It's still necessary to explicitly invalidate the foreground color with a
SubrectColoured tile even though we no longer send a foreground color as
part of the tile.
Reported-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit 18cb1d85578e03b16570d9380309cca673f9fff8)
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This violates the RFB specification (section 6.6.4). It happens to work with
most clients but it's still wrong.
Reported-by: Yaniv Kaul <ykaul@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit 02c2b87fff97e77a1f6033fb09f53afa267c0c1e)
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This patch removes the server surface from VncState and adds a single
server surface to VncDisplay for all the possible clients connected.
Each client maintains a different dirty bitmap in VncState.
The guest surface is moved to VncDisplay as well because we don't need
to track guest updates in more than one place.
This patch has been updated to handle CopyRect correctly and efficiently.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-Id:
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This patch killes the old_data hack in the qemu server and replaces
it with a clean separation of the guest-visible display surface and
the vnc server display surface. Both guest and server surface have
their own dirty bitmap for tracking screen updates.
Workflow is this:
(1) The guest writes to the guest surface. With shared buffers being
active the guest writes are directly visible to the vnc server code.
Note that this may happen in parallel to the vnc server code running
(today only in xenfb, once we have vcpu threads in qemu also for
other display adapters).
(2) vnc_update() callback tags the specified area in the guest dirty
map.
(3) vnc_update_client() will first walk through the guest dirty map. It
will compare guest and server surface for all regions tagged dirty
and in case the screen content really did change the server surface
and dirty map are updated.
Note: old code used old_data in a simliar way, so this does *not*
introduce an extra memcpy.
(4) Then vnc_update_cient() will send the updates to the vnc client
using the server surface and dirty map.
Note: old code used the guest-visible surface instead, causing
screen corruption in case of guest screen updates running in
parallel.
The separate dirty bitmap also has the nice effect that forced screen
updates can be done cleanly by simply tagging the area in both guest and
server dirty map. The old, hackish way was memset(old_data, 42, size)
to trick the code checking for screen changes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6860 c046a42c-6fe2-441c-8c8c-71466251a162
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This patch exploits the new DisplaySurface and PixelFormat structures in
vnc, making the code easier to read allowing further improvements.
Compared to the last version I fixed a bug that prevented the hextile
encoding from working properly.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6337 c046a42c-6fe2-441c-8c8c-71466251a162
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Introducing some accessors:
ds_get_linesize
ds_get_bits_per_pixel
ds_get_width
ds_get_height
ds_get_data
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5789 c046a42c-6fe2-441c-8c8c-71466251a162
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Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5229 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3815 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2253 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1923 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1869 c046a42c-6fe2-441c-8c8c-71466251a162
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Anthony Liguori
Stefano Stabellini
aliguori
ths
bellard
GitWeb