1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "hdi_device_interface.h"
17 #include <vector>
18 #include "display_common.h"
19 #include "drm_device.h"
20 #include "fb_device.h"
21 namespace OHOS {
22 namespace HDI {
23 namespace DISPLAY {
DiscoveryDevice()24 std::vector<std::shared_ptr<HdiDeviceInterface>> HdiDeviceInterface::DiscoveryDevice()
25 {
26     DISPLAY_LOGD();
27     int ret;
28     std::vector<std::shared_ptr<HdiDeviceInterface>> devices;
29     std::shared_ptr<HdiDeviceInterface> drmDevice = DrmDevice::Create();
30     if (drmDevice != nullptr) {
31         ret = drmDevice->Init();
32         if (ret == DISPLAY_SUCCESS) {
33             DISPLAY_LOGD("drm device init success");
34             devices.push_back(std::move(drmDevice));
35             return devices;
36         } else {
37             DISPLAY_LOGE("drm device init failed");
38         }
39     }
40     std::shared_ptr<HdiDeviceInterface> fbDevice = FbDevice::Create();
41     if (fbDevice != nullptr) {
42         ret = fbDevice->Init();
43         if (ret == DISPLAY_SUCCESS) {
44             DISPLAY_LOGD("fd device init success");
45             devices.push_back(std::move(fbDevice));
46         } else {
47             DISPLAY_LOGE("fd device init failed");
48         }
49     }
50     return devices;
51 }
52 }
53 }
54 }