4c2547fa92
This optimization saves up to 0.3ms per frame on the Play Store's front page, on a Nexus 4 device. Change-Id: Iaa4ef33c6e3b37e175efd5b9eea9ef59b43f14f3
141 lines
3.8 KiB
C++
141 lines
3.8 KiB
C++
/*
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* Copyright (C) 2010 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 ANDROID_HWUI_PATCH_CACHE_H
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#define ANDROID_HWUI_PATCH_CACHE_H
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#include <GLES2/gl2.h>
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#include <utils/LruCache.h>
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#include <androidfw/ResourceTypes.h>
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#include "AssetAtlas.h"
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#include "Debug.h"
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#include "Patch.h"
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namespace android {
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namespace uirenderer {
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///////////////////////////////////////////////////////////////////////////////
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// Defines
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///////////////////////////////////////////////////////////////////////////////
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// Debug
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#if DEBUG_PATCHES
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#define PATCH_LOGD(...) ALOGD(__VA_ARGS__)
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#else
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#define PATCH_LOGD(...)
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// Cache
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///////////////////////////////////////////////////////////////////////////////
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class Caches;
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class PatchCache {
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public:
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PatchCache();
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~PatchCache();
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void init(Caches& caches);
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const Patch* get(const AssetAtlas::Entry* entry,
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const uint32_t bitmapWidth, const uint32_t bitmapHeight,
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const float pixelWidth, const float pixelHeight, const Res_png_9patch* patch);
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void clear();
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uint32_t getSize() const {
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return mSize;
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}
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uint32_t getMaxSize() const {
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return mMaxSize;
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}
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GLuint getMeshBuffer() const {
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return mMeshBuffer;
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}
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uint32_t getGenerationId() const {
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return mGenerationId;
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}
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private:
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void clearCache();
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void createVertexBuffer();
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struct PatchDescription {
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PatchDescription(): mPatch(NULL), mBitmapWidth(0), mBitmapHeight(0),
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mPixelWidth(0), mPixelHeight(0) {
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}
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PatchDescription(const uint32_t bitmapWidth, const uint32_t bitmapHeight,
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const float pixelWidth, const float pixelHeight, const Res_png_9patch* patch):
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mPatch(patch), mBitmapWidth(bitmapWidth), mBitmapHeight(bitmapHeight),
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mPixelWidth(pixelWidth), mPixelHeight(pixelHeight) {
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}
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hash_t hash() const;
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static int compare(const PatchDescription& lhs, const PatchDescription& rhs);
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bool operator==(const PatchDescription& other) const {
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return compare(*this, other) == 0;
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}
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bool operator!=(const PatchDescription& other) const {
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return compare(*this, other) != 0;
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}
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friend inline int strictly_order_type(const PatchDescription& lhs,
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const PatchDescription& rhs) {
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return PatchDescription::compare(lhs, rhs) < 0;
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}
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friend inline int compare_type(const PatchDescription& lhs,
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const PatchDescription& rhs) {
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return PatchDescription::compare(lhs, rhs);
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}
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friend inline hash_t hash_type(const PatchDescription& entry) {
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return entry.hash();
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}
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private:
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const Res_png_9patch* mPatch;
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uint32_t mBitmapWidth;
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uint32_t mBitmapHeight;
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float mPixelWidth;
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float mPixelHeight;
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}; // struct PatchDescription
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uint32_t mMaxSize;
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uint32_t mSize;
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LruCache<PatchDescription, Patch*> mCache;
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GLuint mMeshBuffer;
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uint32_t mGenerationId;
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}; // class PatchCache
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_PATCH_CACHE_H
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