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virtio-gpu: Update cursor data using blob 

If a blob is available for the cursor, copy the data from the blob.

Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210526231429.1045476-15-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Vivek Kasireddy 2021-05-26 16:14:29 -07:00 committed by Gerd Hoffmann
parent 32db3c63ae
commit bdd53f7392
1 changed files with 14 additions and 5 deletions
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19
hw/display/virtio-gpu.c
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@ -49,6 +49,7 @@ void virtio_gpu_update_cursor_data(VirtIOGPU *g,
{
struct virtio_gpu_simple_resource *res;
uint32_t pixels;
void *data;
res = virtio_gpu_find_check_resource(g, resource_id, false,
__func__, NULL);
@ -56,14 +57,22 @@ void virtio_gpu_update_cursor_data(VirtIOGPU *g,
return;
}
if (pixman_image_get_width(res->image) != s->current_cursor->width ||
pixman_image_get_height(res->image) != s->current_cursor->height) {
return;
if (res->blob_size) {
if (res->blob_size < (s->current_cursor->width *
s->current_cursor->height * 4)) {
return;
}
data = res->blob;
} else {
if (pixman_image_get_width(res->image) != s->current_cursor->width ||
pixman_image_get_height(res->image) != s->current_cursor->height) {
return;
}
data = pixman_image_get_data(res->image);
}
pixels = s->current_cursor->width * s->current_cursor->height;
memcpy(s->current_cursor->data,
pixman_image_get_data(res->image),
memcpy(s->current_cursor->data, data,
pixels * sizeof(uint32_t));
}