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78 lines
2.2 KiB
78 lines
2.2 KiB
7 months ago
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/*
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* Copyright (C) 2014 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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#ifndef RENDERSTATE_H
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#define RENDERSTATE_H
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#include "utils/Macros.h"
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#include <utils/RefBase.h>
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#include <set>
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namespace android {
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namespace uirenderer {
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class Layer;
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namespace renderthread {
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class CacheManager;
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class RenderThread;
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}
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class IGpuContextCallback {
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public:
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virtual void onContextDestroyed() = 0;
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protected:
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virtual ~IGpuContextCallback() {}
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};
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// wrapper of Caches for users to migrate to.
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class RenderState {
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PREVENT_COPY_AND_ASSIGN(RenderState);
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friend class renderthread::RenderThread;
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friend class renderthread::CacheManager;
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public:
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void registerContextCallback(IGpuContextCallback* cb) { mContextCallbacks.insert(cb); }
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void removeContextCallback(IGpuContextCallback* cb) { mContextCallbacks.erase(cb); }
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void registerLayer(Layer* layer) { mActiveLayers.insert(layer); }
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void unregisterLayer(Layer* layer) { mActiveLayers.erase(layer); }
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// TODO: This system is a little clunky feeling, this could use some
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// more thinking...
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void postDecStrong(VirtualLightRefBase* object);
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renderthread::RenderThread& getRenderThread() const { return mRenderThread; }
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private:
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explicit RenderState(renderthread::RenderThread& thread);
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~RenderState() {}
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// Context notifications are only to be triggered by renderthread::RenderThread
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void onContextDestroyed();
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std::set<IGpuContextCallback*> mContextCallbacks;
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std::set<Layer*> mActiveLayers;
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renderthread::RenderThread& mRenderThread;
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pthread_t mThreadId;
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};
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} /* namespace uirenderer */
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} /* namespace android */
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#endif /* RENDERSTATE_H */
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