From: Paolo Bonzini <pbonz...@redhat.com>
The OpenGL-enabled SPICE code was not accessing the cursor position
under the SimpleSpiceDisplay lock. Fix this.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Message-id: 20180720063109.4631-2-pbonz...@redhat.com
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
ui/spice-display.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/ui/spice-display.c b/ui/spice-display.c
index fe734821dd..46df673cd7 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -976,8 +976,10 @@ static void
qemu_spice_gl_cursor_position(DisplayChangeListener *dcl,
{
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
+ qemu_mutex_lock(&ssd->lock);
ssd->ptr_x = pos_x;
ssd->ptr_y = pos_y;
+ qemu_mutex_unlock(&ssd->lock);
}
static void qemu_spice_gl_release_dmabuf(DisplayChangeListener *dcl,
@@ -1055,10 +1057,15 @@ static void qemu_spice_gl_update(DisplayChangeListener
*dcl,
}
if (render_cursor) {
+ int x, y;
+ qemu_mutex_lock(&ssd->lock);
+ x = ssd->ptr_x;
+ y = ssd->ptr_y;
+ qemu_mutex_unlock(&ssd->lock);
egl_texture_blit(ssd->gls, &ssd->blit_fb, &ssd->guest_fb,
!y_0_top);
egl_texture_blend(ssd->gls, &ssd->blit_fb, &ssd->cursor_fb,
- !y_0_top, ssd->ptr_x, ssd->ptr_y);
+ !y_0_top, x, y);
glFlush();
}
--
2.9.3
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