1 files changed, 92 insertions, 0 deletions
diff --git a/libs/hwui/renderthread/CacheManager.h b/libs/hwui/renderthread/CacheManager.h
new file mode 100644
index 000000000000..43d58f2d58a8
--- /dev/null
+++ b/libs/hwui/renderthread/CacheManager.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#ifndef CACHEMANAGER_H
+#define CACHEMANAGER_H
+
+#include <GrContext.h>
+#include <SkSurface.h>
+#include <ui/DisplayInfo.h>
+#include <utils/String8.h>
+#include <vector>
+
+namespace android {
+
+class Surface;
+
+namespace uirenderer {
+
+class RenderState;
+
+namespace renderthread {
+
+class IRenderPipeline;
+class RenderThread;
+
+struct VectorDrawableAtlas {
+    sk_sp<SkSurface> surface;
+    bool isNewAtlas = true;
+};
+
+class CacheManager {
+public:
+    enum class TrimMemoryMode {
+        Complete,
+        UiHidden
+    };
+
+    void configureContext(GrContextOptions* context);
+    void trimMemory(TrimMemoryMode mode);
+    void trimStaleResources();
+    void dumpMemoryUsage(String8& log, const RenderState* renderState = nullptr);
+
+    VectorDrawableAtlas* acquireVectorDrawableAtlas();
+    void releaseVectorDrawableAtlas(VectorDrawableAtlas*);
+
+    size_t getCacheSize() const { return mMaxResourceBytes; }
+    size_t getBackgroundCacheSize() const { return mBackgroundResourceBytes; }
+
+private:
+    friend class RenderThread;
+
+    CacheManager(const DisplayInfo& display);
+
+
+    void reset(GrContext* grContext);
+    void destroy();
+    void updateContextCacheSizes();
+
+    const size_t mMaxSurfaceArea;
+    sk_sp<GrContext> mGrContext;
+
+    int mMaxResources = 0;
+    size_t mMaxResourceBytes = 0;
+    size_t mBackgroundResourceBytes = 0;
+
+    struct PipelineProps {
+        const void* pipelineKey = nullptr;
+        size_t surfaceArea = 0;
+    };
+
+    std::unique_ptr<VectorDrawableAtlas> mVectorDrawableAtlas;
+};
+
+} /* namespace renderthread */
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* CACHEMANAGER_H */
+