1 files changed, 65 insertions, 0 deletions
diff --git a/libs/hwui/PatchCache.h b/libs/hwui/PatchCache.h
new file mode 100644
index 0000000..08f78a3
--- /dev/null
+++ b/libs/hwui/PatchCache.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2010 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 ANDROID_UI_PATCH_CACHE_H
+#define ANDROID_UI_PATCH_CACHE_H
+
+#include <utils/KeyedVector.h>
+
+#include "Patch.h"
+
+namespace android {
+namespace uirenderer {
+
+///////////////////////////////////////////////////////////////////////////////
+// Defines
+///////////////////////////////////////////////////////////////////////////////
+
+// Debug
+#define DEBUG_PATCHES 0
+
+// Debug
+#if DEBUG_PATCHES
+    #define PATCH_LOGD(...) LOGD(__VA_ARGS__)
+#else
+    #define PATCH_LOGD(...)
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+// Cache
+///////////////////////////////////////////////////////////////////////////////
+
+class PatchCache {
+public:
+    PatchCache();
+    PatchCache(uint32_t maxCapacity);
+    ~PatchCache();
+
+    Patch* get(const float bitmapWidth, const float bitmapHeight,
+            const float pixelWidth, const float pixelHeight,
+            const int32_t* xDivs, const int32_t* yDivs,
+            const uint32_t width, const uint32_t height);
+    void clear();
+
+private:
+    uint32_t mMaxEntries;
+    KeyedVector<PatchDescription, Patch*> mCache;
+}; // class PatchCache
+
+}; // namespace uirenderer
+}; // namespace android
+
+#endif // ANDROID_UI_PATCH_CACHE_H