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From 29fdb0f3a401e5590e465a0cc37d82383f3d5f07 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Wed, 15 Feb 2012 14:04:44 +0100
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Subject: [PATCH 404/434] qxl: don't render stuff when the vm is stopped.
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This patch fixes the local qxl renderer to not kick spice-server
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in case the vm is stopped. First it is largely pointless because
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we ask spice-server to process all not-yet processed commands when
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the vm is stopped, so there isn't much do do anyway. Second we
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avoid triggering an assert in spice-server.
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The patch makes sure we still honor redraw requests, even if we don't
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ask spice-server for updates. This is needed to handle displaysurface
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changes with a stopped vm correctly.
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With this patch applied it is possible to take screen shots (via
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screendump monitor command) from a qxl gpu even in case the guest
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is stopped.
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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hw/qxl-render.c | 12 +++++-------
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1 file changed, 5 insertions(+), 7 deletions(-)
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diff --git a/hw/qxl-render.c b/hw/qxl-render.c
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index 2c51ba9..a7891b2 100644
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--- a/hw/qxl-render.c
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+++ b/hw/qxl-render.c
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@@ -121,19 +121,17 @@ void qxl_render_update(PCIQXLDevice *qxl)
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dpy_resize(vga->ds);
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}
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- if (!qxl->guest_primary.commands) {
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- return;
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- }
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- qxl->guest_primary.commands = 0;
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-
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update.left = 0;
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update.right = qxl->guest_primary.surface.width;
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update.top = 0;
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update.bottom = qxl->guest_primary.surface.height;
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memset(dirty, 0, sizeof(dirty));
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- qxl_spice_update_area(qxl, 0, &update,
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- dirty, ARRAY_SIZE(dirty), 1, QXL_SYNC);
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+ if (runstate_is_running() && qxl->guest_primary.commands) {
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+ qxl->guest_primary.commands = 0;
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+ qxl_spice_update_area(qxl, 0, &update,
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+ dirty, ARRAY_SIZE(dirty), 1, QXL_SYNC);
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+ }
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if (redraw) {
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memset(dirty, 0, sizeof(dirty));
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dirty[0] = update;
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--
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1.7.10
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