PatchCache.h revision e3b0a0117a2ab4118f868a731b238fe8f2430276
1f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy/* 2f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * Copyright (C) 2010 The Android Open Source Project 3f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * 4f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * you may not use this file except in compliance with the License. 6f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * You may obtain a copy of the License at 7f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * 8f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 9f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * 10f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * Unless required by applicable law or agreed to in writing, software 11f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * See the License for the specific language governing permissions and 14f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy * limitations under the License. 15f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 16f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_PATCH_CACHE_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_PATCH_CACHE_H 19f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <GLES2/gl2.h> 212728f961614a385df1f056fc24803a9f65c90fabRomain Guy 223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <utils/LruCache.h> 233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <androidfw/ResourceTypes.h> 253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "AssetAtlas.h" 27c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 28f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Patch.h" 29e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy#include "utils/Pair.h" 30f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 31f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guynamespace android { 32f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guynamespace uirenderer { 33f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 34f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy/////////////////////////////////////////////////////////////////////////////// 35f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy// Defines 36f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy/////////////////////////////////////////////////////////////////////////////// 37f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 38f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy// Debug 39f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#if DEBUG_PATCHES 405baa3a62a97544669fba6d65a11c07f252e654ddSteve Block #define PATCH_LOGD(...) ALOGD(__VA_ARGS__) 41f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#else 42f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy #define PATCH_LOGD(...) 43f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#endif 44f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 45f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy/////////////////////////////////////////////////////////////////////////////// 46f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy// Cache 47f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy/////////////////////////////////////////////////////////////////////////////// 48f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyclass Caches; 503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 512728f961614a385df1f056fc24803a9f65c90fabRomain Guyclass PatchCache { 52f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guypublic: 53fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy PatchCache(); 54f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy ~PatchCache(); 553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void init(Caches& caches); 56f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const Patch* get(const AssetAtlas::Entry* entry, 583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const uint32_t bitmapWidth, const uint32_t bitmapHeight, 593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const float pixelWidth, const float pixelHeight, const Res_png_9patch* patch); 60f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void clear(); 61f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 62c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy uint32_t getSize() const { 633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mSize; 64c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 65c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 66c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy uint32_t getMaxSize() const { 673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mMaxSize; 683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLuint getMeshBuffer() const { 713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mMeshBuffer; 72c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 73c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 744c2547fa9244e78115cde0a259291053108c3dc7Romain Guy uint32_t getGenerationId() const { 754c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return mGenerationId; 764c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 774c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 78e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy /** 79e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * Removes the entries associated with the specified 9-patch. This is meant 80e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * to be called from threads that are not the EGL context thread (GC thread 81e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * on the VM side for instance.) 82e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy */ 83e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy void removeDeferred(Res_png_9patch* patch); 843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 85e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy /** 86e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * Process deferred removals. 87e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy */ 88e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy void clearGarbage(); 89e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 90e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 91e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guyprivate: 926f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy struct PatchDescription { 933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy PatchDescription(): mPatch(NULL), mBitmapWidth(0), mBitmapHeight(0), 943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mPixelWidth(0), mPixelHeight(0) { 956f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 966f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 9713ba0054846ce630ca31e8f26169fd9388faee02Romain Guy PatchDescription(const uint32_t bitmapWidth, const uint32_t bitmapHeight, 983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const float pixelWidth, const float pixelHeight, const Res_png_9patch* patch): 993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mPatch(patch), mBitmapWidth(bitmapWidth), mBitmapHeight(bitmapHeight), 1003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mPixelWidth(pixelWidth), mPixelHeight(pixelHeight) { 1016f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 1026f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 1033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy hash_t hash() const; 1043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 105e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy const Res_png_9patch* getPatch() const { return mPatch; } 106e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 10713ba0054846ce630ca31e8f26169fd9388faee02Romain Guy static int compare(const PatchDescription& lhs, const PatchDescription& rhs); 10813ba0054846ce630ca31e8f26169fd9388faee02Romain Guy 10913ba0054846ce630ca31e8f26169fd9388faee02Romain Guy bool operator==(const PatchDescription& other) const { 11013ba0054846ce630ca31e8f26169fd9388faee02Romain Guy return compare(*this, other) == 0; 11113ba0054846ce630ca31e8f26169fd9388faee02Romain Guy } 11213ba0054846ce630ca31e8f26169fd9388faee02Romain Guy 11313ba0054846ce630ca31e8f26169fd9388faee02Romain Guy bool operator!=(const PatchDescription& other) const { 11413ba0054846ce630ca31e8f26169fd9388faee02Romain Guy return compare(*this, other) != 0; 11513ba0054846ce630ca31e8f26169fd9388faee02Romain Guy } 11613ba0054846ce630ca31e8f26169fd9388faee02Romain Guy 11713ba0054846ce630ca31e8f26169fd9388faee02Romain Guy friend inline int strictly_order_type(const PatchDescription& lhs, 11813ba0054846ce630ca31e8f26169fd9388faee02Romain Guy const PatchDescription& rhs) { 11913ba0054846ce630ca31e8f26169fd9388faee02Romain Guy return PatchDescription::compare(lhs, rhs) < 0; 12013ba0054846ce630ca31e8f26169fd9388faee02Romain Guy } 12113ba0054846ce630ca31e8f26169fd9388faee02Romain Guy 12213ba0054846ce630ca31e8f26169fd9388faee02Romain Guy friend inline int compare_type(const PatchDescription& lhs, 12313ba0054846ce630ca31e8f26169fd9388faee02Romain Guy const PatchDescription& rhs) { 12413ba0054846ce630ca31e8f26169fd9388faee02Romain Guy return PatchDescription::compare(lhs, rhs); 1256f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy } 1266f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 1273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy friend inline hash_t hash_type(const PatchDescription& entry) { 1283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return entry.hash(); 1293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1316f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy private: 1323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const Res_png_9patch* mPatch; 1333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy uint32_t mBitmapWidth; 1343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy uint32_t mBitmapHeight; 1353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float mPixelWidth; 1363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float mPixelHeight; 1376f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 1386f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy }; // struct PatchDescription 1396f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 140e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy /** 141e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * A buffer block represents an empty range in the mesh buffer 142e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * that can be used to store vertices. 143e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * 144e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * The patch cache maintains a linked-list of buffer blocks 145e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy * to track available regions of memory in the VBO. 146e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy */ 147e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy struct BufferBlock { 148e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy BufferBlock(uint32_t offset, uint32_t size): offset(offset), size(size), next(NULL) { 149e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy } 150e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 151e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy uint32_t offset; 152e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy uint32_t size; 153e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 154e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy BufferBlock* next; 155e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy }; // struct BufferBlock 156e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 157e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy typedef Pair<const PatchDescription*, Patch*> patch_pair_t; 158e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 159e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy void clearCache(); 160e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy void createVertexBuffer(); 161e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 162e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy void setupMesh(Patch* newMesh, TextureVertex* vertices); 163e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 164e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy void remove(Vector<patch_pair_t>& patchesToRemove, Res_png_9patch* patch); 165e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 166e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy#if DEBUG_PATCHES 167e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy void dumpFreeBlocks(const char* prefix); 168e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy#endif 169e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 1703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy uint32_t mMaxSize; 1713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy uint32_t mSize; 1726f72bebe92a4db7b5dc83f4ac5b5fd02e3b4e2cdRomain Guy 1734c2547fa9244e78115cde0a259291053108c3dc7Romain Guy LruCache<PatchDescription, Patch*> mCache; 1744c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 1753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLuint mMeshBuffer; 176e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy // First available free block inside the mesh buffer 177e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy BufferBlock* mFreeBlocks; 1787d9b1b3c02eb1ffd99742ecb7b69e3ab97d2ba18Romain Guy 1794c2547fa9244e78115cde0a259291053108c3dc7Romain Guy uint32_t mGenerationId; 180e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy 181e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy // Garbage tracking, required to handle GC events on the VM side 182e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy Vector<Res_png_9patch*> mGarbage; 183e3b0a0117a2ab4118f868a731b238fe8f2430276Romain Guy mutable Mutex mLock; 184f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy}; // class PatchCache 185f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 186f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy}; // namespace uirenderer 187f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy}; // namespace android 188f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_PATCH_CACHE_H 190