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/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <memory>
#include <compositionengine/RenderSurface.h>
#include <renderengine/impl/ExternalTexture.h>
#include <ui/Fence.h>
#include <ui/Size.h>
namespace android {
// ScreenCaptureRenderSurface is a RenderSurface that returns a preallocated buffer used by
// ScreenCaptureOutput.
class ScreenCaptureRenderSurface : public compositionengine::RenderSurface {
public:
ScreenCaptureRenderSurface(std::shared_ptr<renderengine::ExternalTexture> buffer)
: mBuffer(std::move(buffer)){};
std::shared_ptr<renderengine::ExternalTexture> dequeueBuffer(
base::unique_fd* /* bufferFence */) override {
return mBuffer;
}
void queueBuffer(base::unique_fd readyFence, float) override {
mRenderFence = sp<Fence>::make(readyFence.release());
}
const sp<Fence>& getClientTargetAcquireFence() const override { return mRenderFence; }
bool supportsCompositionStrategyPrediction() const override { return false; }
bool isValid() const override { return true; }
void initialize() override {}
const ui::Size& getSize() const override { return mSize; }
bool isProtected() const override { return mBuffer->getUsage() & GRALLOC_USAGE_PROTECTED; }
void setDisplaySize(const ui::Size&) override {}
void setBufferDataspace(ui::Dataspace) override {}
void setBufferPixelFormat(ui::PixelFormat) override {}
void setProtected(bool /* useProtected */) override {}
status_t beginFrame(bool /* mustRecompose */) override { return OK; }
void prepareFrame(bool /* usesClientComposition */, bool /* usesDeviceComposition */) override {
}
void onPresentDisplayCompleted() override {}
void dump(std::string& /* result */) const override {}
private:
std::shared_ptr<renderengine::ExternalTexture> mBuffer;
sp<Fence> mRenderFence = Fence::NO_FENCE;
ui::Size mSize;
};
} // namespace android
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