1 /*
2  * Copyright 2023 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 "RutabagaVirtGpuSyncHelper.h"
18 
19 #include <log/log.h>
20 
21 #include "RutabagaLayer.h"
22 
23 namespace gfxstream {
24 
RutabagaVirtGpuSyncHelper()25 RutabagaVirtGpuSyncHelper::RutabagaVirtGpuSyncHelper() {}
26 
Init()27 bool RutabagaVirtGpuSyncHelper::Init() {
28     mEmulation = EmulatedVirtioGpu::Get();
29     return mEmulation != nullptr;
30 }
31 
wait(int syncFd,int timeoutMilliseconds)32 int RutabagaVirtGpuSyncHelper::wait(int syncFd, int timeoutMilliseconds) {
33     return mEmulation->WaitOnEmulatedFence(syncFd, timeoutMilliseconds);
34 }
35 
dup(int syncFd)36 int RutabagaVirtGpuSyncHelper::dup(int syncFd) {
37     // TODO update reference count
38     return syncFd;
39 }
40 
close(int)41 int RutabagaVirtGpuSyncHelper::close(int) { return 0; }
42 
createPlatformSyncHelper()43 SyncHelper* createPlatformSyncHelper() {
44     RutabagaVirtGpuSyncHelper* sync = new RutabagaVirtGpuSyncHelper();
45     if (!sync->Init()) {
46         ALOGE("Failed to initialize RutabagaVirtGpuSyncHelper: Failed to get emulation layer.");
47         return nullptr;
48     }
49     return sync;
50 }
51 
52 }  // namespace gfxstream
53