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[Qemu-devel] [PATCH 2/3] virtio-gpu: update old resource too.
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 2/3] virtio-gpu: update old resource too. |
Date: |
Mon, 2 Jul 2018 18:24:42 +0200 |
When switching scanout from one resource to another we must update the
scanout_bitmask field for both new (set bit) and old (clear bit)
resource.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/display/virtio-gpu.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 054ec73c0a..336dc59007 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -590,7 +590,7 @@ static void virtio_unref_resource(pixman_image_t *image,
void *data)
static void virtio_gpu_set_scanout(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
- struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_simple_resource *res, *ores;
struct virtio_gpu_scanout *scanout;
pixman_format_code_t format;
uint32_t offset;
@@ -664,6 +664,11 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g,
dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, scanout->ds);
}
+ ores = virtio_gpu_find_resource(g, scanout->resource_id);
+ if (ores) {
+ ores->scanout_bitmask &= ~(1 << ss.scanout_id);
+ }
+
res->scanout_bitmask |= (1 << ss.scanout_id);
scanout->resource_id = ss.resource_id;
scanout->x = ss.r.x;
--
2.9.3