1 /* 2 * Copyright 2022 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 17 #pragma once 18 19 #include <android/gui/CachingHint.h> 20 #include <gui/LayerMetadata.h> 21 #include <ui/LayerStack.h> 22 #include <ui/PictureProfileHandle.h> 23 24 #include "FrontEnd/LayerSnapshot.h" 25 #include "compositionengine/LayerFE.h" 26 #include "compositionengine/LayerFECompositionState.h" 27 #include "renderengine/LayerSettings.h" 28 29 #include <ftl/future.h> 30 31 namespace android { 32 33 struct CompositionResult { 34 sp<Fence> lastClientCompositionFence = nullptr; 35 bool wasPictureProfileCommitted = false; 36 // TODO(b/337330263): Why does LayerFE coming from SF have a null composition state? 37 // It would be better not to duplicate this information 38 PictureProfileHandle pictureProfileHandle = PictureProfileHandle::NONE; 39 }; 40 41 class LayerFE : public virtual RefBase, public virtual compositionengine::LayerFE { 42 public: 43 LayerFE(const std::string& name); 44 virtual ~LayerFE(); 45 46 // compositionengine::LayerFE overrides 47 const compositionengine::LayerFECompositionState* getCompositionState() const override; 48 bool onPreComposition(bool updatingOutputGeometryThisFrame) override; 49 const char* getDebugName() const override; 50 int32_t getSequence() const override; 51 bool hasRoundedCorners() const override; 52 void setWasClientComposed(const sp<Fence>&) override; 53 const gui::LayerMetadata* getMetadata() const override; 54 const gui::LayerMetadata* getRelativeMetadata() const override; 55 std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition( 56 compositionengine::LayerFE::ClientCompositionTargetSettings&) const; 57 CompositionResult stealCompositionResult(); 58 ftl::Future<FenceResult> createReleaseFenceFuture() override; 59 void setReleaseFence(const FenceResult& releaseFence) override; 60 LayerFE::ReleaseFencePromiseStatus getReleaseFencePromiseStatus() override; 61 void onPictureProfileCommitted() override; 62 63 std::unique_ptr<surfaceflinger::frontend::LayerSnapshot> mSnapshot; 64 65 private: 66 std::optional<compositionengine::LayerFE::LayerSettings> prepareClientCompositionInternal( 67 compositionengine::LayerFE::ClientCompositionTargetSettings&) const; 68 // Modifies the passed in layer settings to clear the contents. If the blackout flag is set, 69 // the settings clears the content with a solid black fill. 70 void prepareClearClientComposition(LayerFE::LayerSettings&, bool blackout) const; 71 void prepareShadowClientComposition(LayerFE::LayerSettings& caster, 72 const Rect& layerStackRect) const; 73 void prepareBufferStateClientComposition( 74 compositionengine::LayerFE::LayerSettings&, 75 compositionengine::LayerFE::ClientCompositionTargetSettings&) const; 76 void prepareEffectsClientComposition( 77 compositionengine::LayerFE::LayerSettings&, 78 compositionengine::LayerFE::ClientCompositionTargetSettings&) const; 79 hasEffect()80 bool hasEffect() const { return fillsColor() || drawShadows() || hasBlur(); } 81 bool hasBufferOrSidebandStream() const; 82 83 bool fillsColor() const; 84 bool hasBlur() const; 85 bool drawShadows() const; 86 87 const sp<GraphicBuffer> getBuffer() const; 88 89 CompositionResult mCompositionResult; 90 std::string mName; 91 std::promise<FenceResult> mReleaseFence; 92 ReleaseFencePromiseStatus mReleaseFencePromiseStatus = ReleaseFencePromiseStatus::UNINITIALIZED; 93 }; 94 95 } // namespace android 96