1 /*
2  * Copyright (C) 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 #include "PostWorkerVk.h"
17 
18 #include "FrameBuffer.h"
19 #include "host-common/GfxstreamFatalError.h"
20 #include "host-common/logging.h"
21 #include "vulkan/DisplayVk.h"
22 
23 namespace gfxstream {
24 
25 namespace {
26 
27 using emugl::ABORT_REASON_OTHER;
28 using emugl::FatalError;
29 
30 }  // namespace
31 
PostWorkerVk(FrameBuffer * fb,Compositor * compositor,vk::DisplayVk * displayVk)32 PostWorkerVk::PostWorkerVk(FrameBuffer* fb, Compositor* compositor, vk::DisplayVk* displayVk)
33     : PostWorker(false, fb, compositor), m_displayVk(displayVk) {}
34 
postImpl(ColorBuffer * cb)35 std::shared_future<void> PostWorkerVk::postImpl(ColorBuffer* cb) {
36     std::shared_future<void> completedFuture = std::async(std::launch::deferred, [] {}).share();
37     completedFuture.wait();
38 
39     if (!m_displayVk) {
40         GFXSTREAM_ABORT(FatalError(ABORT_REASON_OTHER)) << "PostWorker missing DisplayVk.";
41     }
42 
43     constexpr const int kMaxPostRetries = 2;
44     for (int i = 0; i < kMaxPostRetries; i++) {
45         const auto imageInfo = mFb->borrowColorBufferForDisplay(cb->getHndl());
46         auto result = m_displayVk->post(imageInfo.get());
47         if (result.success) {
48             return result.postCompletedWaitable;
49         }
50     }
51 
52     ERR("Failed to post ColorBuffer after %d retries.", kMaxPostRetries);
53     return completedFuture;
54 }
55 
screenshot(ColorBuffer * cb,int width,int height,GLenum format,GLenum type,int rotation,void * pixels,Rect rect)56 void PostWorkerVk::screenshot(ColorBuffer* cb, int width, int height, GLenum format, GLenum type,
57                               int rotation, void* pixels, Rect rect) {
58     GFXSTREAM_ABORT(FatalError(ABORT_REASON_OTHER))
59         << "Screenshot not supported with native Vulkan swapchain enabled.";
60 }
61 
viewportImpl(int width,int height)62 void PostWorkerVk::viewportImpl(int width, int height) {}
63 
clearImpl()64 void PostWorkerVk::clearImpl() {
65     GFXSTREAM_ABORT(FatalError(ABORT_REASON_OTHER))
66         << "PostWorker with Vulkan doesn't support clear";
67 }
68 
exitImpl()69 void PostWorkerVk::exitImpl() {}
70 
71 }  // namespace gfxstream