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88 lines
2.6 KiB
88 lines
2.6 KiB
/*
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* Copyright 2022 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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*/
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#pragma once
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#include <memory>
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#include <compositionengine/RenderSurface.h>
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#include <renderengine/impl/ExternalTexture.h>
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#include <ui/Fence.h>
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#include <ui/Size.h>
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namespace android {
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// ScreenCaptureRenderSurface is a RenderSurface that returns a preallocated buffer used by
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// ScreenCaptureOutput.
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class ScreenCaptureRenderSurface : public compositionengine::RenderSurface {
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public:
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ScreenCaptureRenderSurface(std::shared_ptr<renderengine::ExternalTexture> buffer)
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: mBuffer(std::move(buffer)){};
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std::shared_ptr<renderengine::ExternalTexture> dequeueBuffer(
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base::unique_fd* /* bufferFence */) override {
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return mBuffer;
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}
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void queueBuffer(base::unique_fd readyFence) override {
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mRenderFence = sp<Fence>::make(readyFence.release());
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}
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void cancelBuffer(base::unique_fd readyFence) override {
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(void)readyFence;
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};
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const sp<Fence>& getClientTargetAcquireFence() const override { return mRenderFence; }
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bool supportsCompositionStrategyPrediction() const override { return false; }
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bool isValid() const override { return true; }
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void initialize() override {}
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const ui::Size& getSize() const override { return mSize; }
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bool isProtected() const override { return mBuffer->getUsage() & GRALLOC_USAGE_PROTECTED; }
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void setDisplaySize(const ui::Size&) override {}
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void setBufferDataspace(ui::Dataspace) override {}
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void setBufferPixelFormat(ui::PixelFormat) override {}
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void setProtected(bool /* useProtected */) override {}
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status_t beginFrame(bool /* mustRecompose */) override { return OK; }
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void prepareFrame(bool /* usesClientComposition */, bool /* usesDeviceComposition */) override {
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}
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int perform(int /* operation */, uint64_t /* usage */) override { return 0; }
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void onPresentDisplayCompleted() override {}
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void dump(std::string& /* result */) const override {}
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private:
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std::shared_ptr<renderengine::ExternalTexture> mBuffer;
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sp<Fence> mRenderFence = Fence::NO_FENCE;
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ui::Size mSize;
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};
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} // namespace android
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