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virtio-gpu: Factor out update scanout

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Creating a small helper function for updating the scanout
will be useful in the next patch where this needs to be
done early in do_set_scanout before returning.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210526231429.1045476-13-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Vivek Kasireddy 2021-05-26 16:14:27 -07:00 • committed by Gerd Hoffmann
parent 5752519e93
commit 81cd9f7108
1 changed files with 23 additions and 12 deletions
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35
hw/display/virtio-gpu.c
View file

@ -556,6 +556,28 @@ static void virtio_unref_resource(pixman_image_t *image, void *data)
pixman_image_unref(data); pixman_image_unref(data);
} }
static void virtio_gpu_update_scanout(VirtIOGPU *g,
uint32_t scanout_id,
struct virtio_gpu_simple_resource *res,
struct virtio_gpu_rect *r)
{
struct virtio_gpu_simple_resource *ores;
struct virtio_gpu_scanout *scanout;
scanout = &g->parent_obj.scanout[scanout_id];
ores = virtio_gpu_find_resource(g, scanout->resource_id);
if (ores) {
ores->scanout_bitmask &= ~(1 << scanout_id);
}
res->scanout_bitmask |= (1 << scanout_id);
scanout->resource_id = res->resource_id;
scanout->x = r->x;
scanout->y = r->y;
scanout->width = r->width;
scanout->height = r->height;
}
static void virtio_gpu_do_set_scanout(VirtIOGPU *g, static void virtio_gpu_do_set_scanout(VirtIOGPU *g,
uint32_t scanout_id, uint32_t scanout_id,
struct virtio_gpu_framebuffer *fb, struct virtio_gpu_framebuffer *fb,
@ -563,7 +585,6 @@ static void virtio_gpu_do_set_scanout(VirtIOGPU *g,
struct virtio_gpu_rect *r, struct virtio_gpu_rect *r,
uint32_t *error) uint32_t *error)
{ {
struct virtio_gpu_simple_resource *ores;
struct virtio_gpu_scanout *scanout; struct virtio_gpu_scanout *scanout;
uint8_t *data; uint8_t *data;
@ -623,17 +644,7 @@ static void virtio_gpu_do_set_scanout(VirtIOGPU *g,
scanout->ds); scanout->ds);
} }
ores = virtio_gpu_find_resource(g, scanout->resource_id); virtio_gpu_update_scanout(g, scanout_id, res, r);
if (ores) {
ores->scanout_bitmask &= ~(1 << scanout_id);
}
res->scanout_bitmask |= (1 << scanout_id);
scanout->resource_id = res->resource_id;
scanout->x = r->x;
scanout->y = r->y;
scanout->width = r->width;
scanout->height = r->height;
} }
static void virtio_gpu_set_scanout(VirtIOGPU *g, static void virtio_gpu_set_scanout(VirtIOGPU *g,