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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 <android/gui/CachingHint.h>
#include <gui/LayerMetadata.h>
#include "FrontEnd/LayerSnapshot.h"
#include "compositionengine/LayerFE.h"
#include "compositionengine/LayerFECompositionState.h"
#include "renderengine/LayerSettings.h"
namespace android {
struct CompositionResult {
// TODO(b/238781169) update CE to no longer pass refreshStartTime to LayerFE::onPreComposition
// and remove this field.
nsecs_t refreshStartTime = 0;
std::vector<std::pair<ftl::SharedFuture<FenceResult>, ui::LayerStack>> releaseFences;
sp<Fence> lastClientCompositionFence = nullptr;
};
class LayerFE : public virtual RefBase, public virtual compositionengine::LayerFE {
public:
LayerFE(const std::string& name);
// compositionengine::LayerFE overrides
const compositionengine::LayerFECompositionState* getCompositionState() const override;
bool onPreComposition(nsecs_t refreshStartTime, bool updatingOutputGeometryThisFrame) override;
void onLayerDisplayed(ftl::SharedFuture<FenceResult>, ui::LayerStack) override;
const char* getDebugName() const override;
int32_t getSequence() const override;
bool hasRoundedCorners() const override;
void setWasClientComposed(const sp<Fence>&) override;
const gui::LayerMetadata* getMetadata() const override;
const gui::LayerMetadata* getRelativeMetadata() const override;
std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
CompositionResult&& stealCompositionResult();
std::unique_ptr<surfaceflinger::frontend::LayerSnapshot> mSnapshot;
private:
std::optional<compositionengine::LayerFE::LayerSettings> prepareClientCompositionInternal(
compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
// Modifies the passed in layer settings to clear the contents. If the blackout flag is set,
// the settings clears the content with a solid black fill.
void prepareClearClientComposition(LayerFE::LayerSettings&, bool blackout) const;
void prepareShadowClientComposition(LayerFE::LayerSettings& caster,
const Rect& layerStackRect) const;
void prepareBufferStateClientComposition(
compositionengine::LayerFE::LayerSettings&,
compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
void prepareEffectsClientComposition(
compositionengine::LayerFE::LayerSettings&,
compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
bool hasEffect() const { return fillsColor() || drawShadows() || hasBlur(); }
bool hasBufferOrSidebandStream() const;
bool fillsColor() const;
bool hasBlur() const;
bool drawShadows() const;
const sp<GraphicBuffer> getBuffer() const;
CompositionResult mCompositionResult;
std::string mName;
};
} // namespace android
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