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61 lines
1.9 KiB
61 lines
1.9 KiB
// Copyright 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "AndroidPipe.h"
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#include <fstream>
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#include <functional>
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namespace android {
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namespace emulation {
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using OnLastColorBufferRef = std::function<void(uint32_t)>;
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// This is a pipe for refcounting guest side objects.
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class RefcountPipe final : public AndroidPipe {
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public:
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class Service final : public AndroidPipe::Service {
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public:
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Service();
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AndroidPipe* create(void* hwPipe, const char* args) override;
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AndroidPipe* load(void* hwPipe,
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const char* args,
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android::base::Stream* stream) override;
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bool canLoad() const override;
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};
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RefcountPipe(void* hwPipe,
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Service* svc,
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base::Stream* loadStream = nullptr);
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~RefcountPipe();
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void onGuestClose(PipeCloseReason reason) override;
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unsigned onGuestPoll() const override;
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int onGuestRecv(AndroidPipeBuffer* buffers, int numBuffers) override;
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int onGuestSend(const AndroidPipeBuffer* buffers, int numBuffers,
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void** newPipePtr) override;
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void onGuestWantWakeOn(int flags) override {}
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void onSave(base::Stream* stream) override;
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private:
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uint32_t mHandle;
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};
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void registerRefcountPipeService();
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void registerOnLastRefCallback(OnLastColorBufferRef func);
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} // namespace emulation
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} // namespace android
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