1 /*
2 * Copyright (C) 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "host/libs/wayland/wayland_compositor.h"
18
19 #include <android-base/logging.h>
20
21 #include <virtio-gpu-metadata-v1.h>
22 #include <wayland-server-core.h>
23 #include <wayland-server-protocol.h>
24
25 #include "host/libs/wayland/wayland_surface.h"
26 #include "host/libs/wayland/wayland_utils.h"
27
28 namespace wayland {
29 namespace {
30
virtio_gpu_surface_metadata_set_scanout_id(struct wl_client *,struct wl_resource * surface_metadata_resource,uint32_t scanout_id)31 void virtio_gpu_surface_metadata_set_scanout_id(
32 struct wl_client*, struct wl_resource* surface_metadata_resource,
33 uint32_t scanout_id) {
34 GetUserData<Surface>(surface_metadata_resource)
35 ->SetVirtioGpuScanoutId(scanout_id);
36 }
37
38 const struct wp_virtio_gpu_surface_metadata_v1_interface
39 virtio_gpu_surface_metadata_implementation = {
40 .set_scanout_id = virtio_gpu_surface_metadata_set_scanout_id};
41
destroy_virtio_gpu_surface_metadata_resource_callback(struct wl_resource *)42 void destroy_virtio_gpu_surface_metadata_resource_callback(
43 struct wl_resource*) {
44 // This is only expected to occur upon surface destruction so no need to
45 // update the scanout id in `Surface`.
46 }
47
virtio_gpu_metadata_get_surface_metadata(struct wl_client * client,struct wl_resource *,uint32_t id,struct wl_resource * surface_resource)48 void virtio_gpu_metadata_get_surface_metadata(
49 struct wl_client* client, struct wl_resource* /*metadata_impl_resource*/,
50 uint32_t id, struct wl_resource* surface_resource) {
51 Surface* surface = GetUserData<Surface>(surface_resource);
52
53 wl_resource* virtio_gpu_metadata_surface_resource = wl_resource_create(
54 client, &wp_virtio_gpu_surface_metadata_v1_interface, 1, id);
55
56 wl_resource_set_implementation(
57 virtio_gpu_metadata_surface_resource,
58 &virtio_gpu_surface_metadata_implementation, surface,
59 destroy_virtio_gpu_surface_metadata_resource_callback);
60 }
61
62 const struct wp_virtio_gpu_metadata_v1_interface
63 virtio_gpu_metadata_implementation = {
64 .get_surface_metadata = virtio_gpu_metadata_get_surface_metadata,
65 };
66
destroy_virtio_gpu_metadata_resource_callback(struct wl_resource *)67 void destroy_virtio_gpu_metadata_resource_callback(struct wl_resource*) {}
68
bind_virtio_gpu_metadata(wl_client * client,void * data,uint32_t,uint32_t id)69 void bind_virtio_gpu_metadata(wl_client* client, void* data,
70 uint32_t /*version*/, uint32_t id) {
71 wl_resource* resource =
72 wl_resource_create(client, &wp_virtio_gpu_metadata_v1_interface, 1, id);
73
74 wl_resource_set_implementation(resource, &virtio_gpu_metadata_implementation,
75 data,
76 destroy_virtio_gpu_metadata_resource_callback);
77 }
78
79 } // namespace
80
BindVirtioGpuMetadataInterface(wl_display * display,Surfaces * surfaces)81 void BindVirtioGpuMetadataInterface(wl_display* display, Surfaces* surfaces) {
82 wl_global_create(display, &wp_virtio_gpu_metadata_v1_interface, 1, surfaces,
83 bind_virtio_gpu_metadata);
84 }
85
86 } // namespace wayland