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From 5100d7f2beedd5248337f956c74aee4300a00915 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Fri, 14 Sep 2012 22:09:23 +0200
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Subject: [PATCH] qxl: always update displaysurface on resize
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Don't try to be clever and skip displaysurface reinitialization in case
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the size hasn't changed. Other parameters might have changed
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nevertheless, for example depth or stride, resulting in rendering being
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broken then.
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Trigger: boot linux guest with vesafb, start X11, make sure both vesafb
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and X11 use the display same resolution. Then watch X11 screen being
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upside down.
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 0ec8df3974d2a4ff95b5fd4785b9bd3def7252f3)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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hw/qxl-render.c | 4 ----
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1 file changed, 4 deletions(-)
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diff --git a/hw/qxl-render.c b/hw/qxl-render.c
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index e2e3fe2..b66c168 100644
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--- a/hw/qxl-render.c
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+++ b/hw/qxl-render.c
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@@ -99,7 +99,6 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
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{
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VGACommonState *vga = &qxl->vga;
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int i;
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- DisplaySurface *surface = vga->ds->surface;
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if (qxl->guest_primary.resized) {
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qxl->guest_primary.resized = 0;
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@@ -112,9 +111,6 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
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qxl->guest_primary.qxl_stride,
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qxl->guest_primary.bytes_pp,
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qxl->guest_primary.bits_pp);
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- }
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- if (surface->width != qxl->guest_primary.surface.width ||
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- surface->height != qxl->guest_primary.surface.height) {
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if (qxl->guest_primary.qxl_stride > 0) {
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qemu_free_displaysurface(vga->ds);
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qemu_create_displaysurface_from(qxl->guest_primary.surface.width,
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