reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
mtklein | 67a3271 | 2014-07-10 06:03:46 -0700 | [diff] [blame] | 8 | #include "SkChecksum.h" |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 9 | #include "SkMessageBus.h" |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 10 | #include "SkMipMap.h" |
mtklein | 1b24933 | 2015-07-07 12:21:21 -0700 | [diff] [blame] | 11 | #include "SkMutex.h" |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 12 | #include "SkPixelRef.h" |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 13 | #include "SkResourceCache.h" |
ssid | 33c594c | 2015-08-27 09:23:54 -0700 | [diff] [blame] | 14 | #include "SkTraceMemoryDump.h" |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 15 | |
fmalita | 171e5b7 | 2014-10-22 11:20:40 -0700 | [diff] [blame] | 16 | #include <stddef.h> |
bungeman | 60e0fee | 2015-08-26 05:15:46 -0700 | [diff] [blame] | 17 | #include <stdlib.h> |
fmalita | 171e5b7 | 2014-10-22 11:20:40 -0700 | [diff] [blame] | 18 | |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 19 | DECLARE_SKMESSAGEBUS_MESSAGE(SkResourceCache::PurgeSharedIDMessage) |
| 20 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 21 | // This can be defined by the caller's build system |
| 22 | //#define SK_USE_DISCARDABLE_SCALEDIMAGECACHE |
| 23 | |
| 24 | #ifndef SK_DISCARDABLEMEMORY_SCALEDIMAGECACHE_COUNT_LIMIT |
| 25 | # define SK_DISCARDABLEMEMORY_SCALEDIMAGECACHE_COUNT_LIMIT 1024 |
| 26 | #endif |
| 27 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 28 | #ifndef SK_DEFAULT_IMAGE_CACHE_LIMIT |
reed | ae48877 | 2015-09-11 08:19:23 -0700 | [diff] [blame] | 29 | #define SK_DEFAULT_IMAGE_CACHE_LIMIT (32 * 1024 * 1024) |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 30 | #endif |
| 31 | |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 32 | void SkResourceCache::Key::init(void* nameSpace, uint64_t sharedID, size_t length) { |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame] | 33 | SkASSERT(SkAlign4(length) == length); |
fmalita | 171e5b7 | 2014-10-22 11:20:40 -0700 | [diff] [blame] | 34 | |
| 35 | // fCount32 and fHash are not hashed |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 36 | static const int kUnhashedLocal32s = 2; // fCache32 + fHash |
| 37 | static const int kSharedIDLocal32s = 2; // fSharedID_lo + fSharedID_hi |
| 38 | static const int kHashedLocal32s = kSharedIDLocal32s + (sizeof(fNamespace) >> 2); |
| 39 | static const int kLocal32s = kUnhashedLocal32s + kHashedLocal32s; |
fmalita | 171e5b7 | 2014-10-22 11:20:40 -0700 | [diff] [blame] | 40 | |
bungeman | 99fe822 | 2015-08-20 07:57:51 -0700 | [diff] [blame] | 41 | static_assert(sizeof(Key) == (kLocal32s << 2), "unaccounted_key_locals"); |
| 42 | static_assert(sizeof(Key) == offsetof(Key, fNamespace) + sizeof(fNamespace), |
| 43 | "namespace_field_must_be_last"); |
fmalita | 171e5b7 | 2014-10-22 11:20:40 -0700 | [diff] [blame] | 44 | |
| 45 | fCount32 = SkToS32(kLocal32s + (length >> 2)); |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 46 | fSharedID_lo = (uint32_t)sharedID; |
| 47 | fSharedID_hi = (uint32_t)(sharedID >> 32); |
fmalita | 171e5b7 | 2014-10-22 11:20:40 -0700 | [diff] [blame] | 48 | fNamespace = nameSpace; |
| 49 | // skip unhashed fields when computing the murmur |
| 50 | fHash = SkChecksum::Murmur3(this->as32() + kUnhashedLocal32s, |
| 51 | (fCount32 - kUnhashedLocal32s) << 2); |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame] | 52 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 53 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 54 | #include "SkTDynamicHash.h" |
| 55 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 56 | class SkResourceCache::Hash : |
| 57 | public SkTDynamicHash<SkResourceCache::Rec, SkResourceCache::Key> {}; |
commit-bot@chromium.org | 158f646 | 2014-04-02 17:03:09 +0000 | [diff] [blame] | 58 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 59 | |
| 60 | /////////////////////////////////////////////////////////////////////////////// |
| 61 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 62 | void SkResourceCache::init() { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 63 | fHead = nullptr; |
| 64 | fTail = nullptr; |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 65 | fHash = new Hash; |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 66 | fTotalBytesUsed = 0; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 67 | fCount = 0; |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 68 | fSingleAllocationByteLimit = 0; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 69 | fAllocator = nullptr; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 70 | |
| 71 | // One of these should be explicit set by the caller after we return. |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 72 | fTotalByteLimit = 0; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 73 | fDiscardableFactory = nullptr; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | #include "SkDiscardableMemory.h" |
| 77 | |
| 78 | class SkOneShotDiscardablePixelRef : public SkPixelRef { |
| 79 | public: |
mtklein | 1b24933 | 2015-07-07 12:21:21 -0700 | [diff] [blame] | 80 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 81 | // Ownership of the discardablememory is transfered to the pixelref |
| 82 | SkOneShotDiscardablePixelRef(const SkImageInfo&, SkDiscardableMemory*, size_t rowBytes); |
| 83 | ~SkOneShotDiscardablePixelRef(); |
| 84 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 85 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 86 | bool onNewLockPixels(LockRec*) override; |
| 87 | void onUnlockPixels() override; |
| 88 | size_t getAllocatedSizeInBytes() const override; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 89 | |
ssid | 8523782 | 2015-09-04 08:29:24 -0700 | [diff] [blame] | 90 | SkDiscardableMemory* diagnostic_only_getDiscardable() const override { return fDM; } |
| 91 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 92 | private: |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 93 | SkDiscardableMemory* fDM; |
| 94 | size_t fRB; |
| 95 | bool fFirstTime; |
| 96 | |
| 97 | typedef SkPixelRef INHERITED; |
| 98 | }; |
| 99 | |
| 100 | SkOneShotDiscardablePixelRef::SkOneShotDiscardablePixelRef(const SkImageInfo& info, |
| 101 | SkDiscardableMemory* dm, |
| 102 | size_t rowBytes) |
| 103 | : INHERITED(info) |
| 104 | , fDM(dm) |
| 105 | , fRB(rowBytes) |
| 106 | { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 107 | SkASSERT(dm->data()); |
| 108 | fFirstTime = true; |
| 109 | } |
| 110 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 111 | SkOneShotDiscardablePixelRef::~SkOneShotDiscardablePixelRef() { delete fDM; } |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 112 | |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 113 | bool SkOneShotDiscardablePixelRef::onNewLockPixels(LockRec* rec) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 114 | if (fFirstTime) { |
| 115 | // we're already locked |
reed@google.com | c83a91f | 2013-12-13 13:41:14 +0000 | [diff] [blame] | 116 | SkASSERT(fDM->data()); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 117 | fFirstTime = false; |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 118 | goto SUCCESS; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 119 | } |
commit-bot@chromium.org | 281713e | 2013-12-12 18:08:08 +0000 | [diff] [blame] | 120 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 121 | // A previous call to onUnlock may have deleted our DM, so check for that |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 122 | if (nullptr == fDM) { |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 123 | return false; |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | if (!fDM->lock()) { |
| 127 | // since it failed, we delete it now, to free-up the resource |
| 128 | delete fDM; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 129 | fDM = nullptr; |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 130 | return false; |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 131 | } |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 132 | |
| 133 | SUCCESS: |
| 134 | rec->fPixels = fDM->data(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 135 | rec->fColorTable = nullptr; |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 136 | rec->fRowBytes = fRB; |
| 137 | return true; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | void SkOneShotDiscardablePixelRef::onUnlockPixels() { |
| 141 | SkASSERT(!fFirstTime); |
reed@google.com | c83a91f | 2013-12-13 13:41:14 +0000 | [diff] [blame] | 142 | fDM->unlock(); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | size_t SkOneShotDiscardablePixelRef::getAllocatedSizeInBytes() const { |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 146 | return this->info().getSafeSize(fRB); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 147 | } |
| 148 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 149 | class SkResourceCacheDiscardableAllocator : public SkBitmap::Allocator { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 150 | public: |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 151 | SkResourceCacheDiscardableAllocator(SkResourceCache::DiscardableFactory factory) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 152 | SkASSERT(factory); |
| 153 | fFactory = factory; |
| 154 | } |
| 155 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 156 | bool allocPixelRef(SkBitmap*, SkColorTable*) override; |
skia.committer@gmail.com | cf0803b | 2013-12-10 07:02:03 +0000 | [diff] [blame] | 157 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 158 | private: |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 159 | SkResourceCache::DiscardableFactory fFactory; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 160 | }; |
| 161 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 162 | bool SkResourceCacheDiscardableAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 163 | size_t size = bitmap->getSize(); |
sugoi | c197c8a | 2014-07-03 10:44:26 -0700 | [diff] [blame] | 164 | uint64_t size64 = bitmap->computeSize64(); |
| 165 | if (0 == size || size64 > (uint64_t)size) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 166 | return false; |
| 167 | } |
| 168 | |
| 169 | SkDiscardableMemory* dm = fFactory(size); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 170 | if (nullptr == dm) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 171 | return false; |
| 172 | } |
| 173 | |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 174 | // can we relax this? |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 175 | if (kN32_SkColorType != bitmap->colorType()) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 176 | return false; |
| 177 | } |
| 178 | |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 179 | SkImageInfo info = bitmap->info(); |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 180 | bitmap->setPixelRef(new SkOneShotDiscardablePixelRef(info, dm, bitmap->rowBytes()))->unref(); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 181 | bitmap->lockPixels(); |
| 182 | return bitmap->readyToDraw(); |
| 183 | } |
| 184 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 185 | SkResourceCache::SkResourceCache(DiscardableFactory factory) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 186 | this->init(); |
| 187 | fDiscardableFactory = factory; |
| 188 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 189 | fAllocator = new SkResourceCacheDiscardableAllocator(factory); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 190 | } |
| 191 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 192 | SkResourceCache::SkResourceCache(size_t byteLimit) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 193 | this->init(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 194 | fTotalByteLimit = byteLimit; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 195 | } |
| 196 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 197 | SkResourceCache::~SkResourceCache() { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 198 | SkSafeUnref(fAllocator); |
| 199 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 200 | Rec* rec = fHead; |
| 201 | while (rec) { |
| 202 | Rec* next = rec->fNext; |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 203 | delete rec; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 204 | rec = next; |
| 205 | } |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 206 | delete fHash; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 207 | } |
| 208 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 209 | //////////////////////////////////////////////////////////////////////////////// |
| 210 | |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 211 | bool SkResourceCache::find(const Key& key, FindVisitor visitor, void* context) { |
| 212 | this->checkMessages(); |
| 213 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 214 | Rec* rec = fHash->find(key); |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 215 | if (rec) { |
reed | c90e014 | 2014-09-15 11:39:44 -0700 | [diff] [blame] | 216 | if (visitor(*rec, context)) { |
| 217 | this->moveToHead(rec); // for our LRU |
| 218 | return true; |
| 219 | } else { |
| 220 | this->remove(rec); // stale |
| 221 | return false; |
| 222 | } |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 223 | } |
reed | c90e014 | 2014-09-15 11:39:44 -0700 | [diff] [blame] | 224 | return false; |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 225 | } |
| 226 | |
reed | 9d93c2e | 2014-10-08 05:17:12 -0700 | [diff] [blame] | 227 | static void make_size_str(size_t size, SkString* str) { |
| 228 | const char suffix[] = { 'b', 'k', 'm', 'g', 't', 0 }; |
| 229 | int i = 0; |
| 230 | while (suffix[i] && (size > 1024)) { |
| 231 | i += 1; |
| 232 | size >>= 10; |
| 233 | } |
| 234 | str->printf("%zu%c", size, suffix[i]); |
| 235 | } |
| 236 | |
| 237 | static bool gDumpCacheTransactions; |
| 238 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 239 | void SkResourceCache::add(Rec* rec) { |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 240 | this->checkMessages(); |
mtklein | 1b24933 | 2015-07-07 12:21:21 -0700 | [diff] [blame] | 241 | |
reed | 680fb9e | 2014-08-26 09:08:04 -0700 | [diff] [blame] | 242 | SkASSERT(rec); |
| 243 | // See if we already have this key (racy inserts, etc.) |
reed | c90e014 | 2014-09-15 11:39:44 -0700 | [diff] [blame] | 244 | Rec* existing = fHash->find(rec->getKey()); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 245 | if (existing) { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 246 | delete rec; |
reed | 680fb9e | 2014-08-26 09:08:04 -0700 | [diff] [blame] | 247 | return; |
| 248 | } |
mtklein | 1b24933 | 2015-07-07 12:21:21 -0700 | [diff] [blame] | 249 | |
reed | 680fb9e | 2014-08-26 09:08:04 -0700 | [diff] [blame] | 250 | this->addToHead(rec); |
reed | 680fb9e | 2014-08-26 09:08:04 -0700 | [diff] [blame] | 251 | fHash->add(rec); |
reed | 595aa05 | 2014-09-15 10:15:18 -0700 | [diff] [blame] | 252 | |
reed | 9d93c2e | 2014-10-08 05:17:12 -0700 | [diff] [blame] | 253 | if (gDumpCacheTransactions) { |
| 254 | SkString bytesStr, totalStr; |
| 255 | make_size_str(rec->bytesUsed(), &bytesStr); |
| 256 | make_size_str(fTotalBytesUsed, &totalStr); |
| 257 | SkDebugf("RC: add %5s %12p key %08x -- total %5s, count %d\n", |
| 258 | bytesStr.c_str(), rec, rec->getHash(), totalStr.c_str(), fCount); |
| 259 | } |
| 260 | |
reed | c90e014 | 2014-09-15 11:39:44 -0700 | [diff] [blame] | 261 | // since the new rec may push us over-budget, we perform a purge check now |
| 262 | this->purgeAsNeeded(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 263 | } |
| 264 | |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame] | 265 | void SkResourceCache::remove(Rec* rec) { |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame] | 266 | size_t used = rec->bytesUsed(); |
| 267 | SkASSERT(used <= fTotalBytesUsed); |
| 268 | |
| 269 | this->detach(rec); |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame] | 270 | fHash->remove(rec->getKey()); |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame] | 271 | |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame] | 272 | fTotalBytesUsed -= used; |
| 273 | fCount -= 1; |
reed | 9d93c2e | 2014-10-08 05:17:12 -0700 | [diff] [blame] | 274 | |
| 275 | if (gDumpCacheTransactions) { |
| 276 | SkString bytesStr, totalStr; |
| 277 | make_size_str(used, &bytesStr); |
| 278 | make_size_str(fTotalBytesUsed, &totalStr); |
| 279 | SkDebugf("RC: remove %5s %12p key %08x -- total %5s, count %d\n", |
| 280 | bytesStr.c_str(), rec, rec->getHash(), totalStr.c_str(), fCount); |
| 281 | } |
| 282 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 283 | delete rec; |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame] | 284 | } |
| 285 | |
reed | 56b00d9 | 2014-09-11 12:22:34 -0700 | [diff] [blame] | 286 | void SkResourceCache::purgeAsNeeded(bool forcePurge) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 287 | size_t byteLimit; |
| 288 | int countLimit; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 289 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 290 | if (fDiscardableFactory) { |
| 291 | countLimit = SK_DISCARDABLEMEMORY_SCALEDIMAGECACHE_COUNT_LIMIT; |
| 292 | byteLimit = SK_MaxU32; // no limit based on bytes |
| 293 | } else { |
| 294 | countLimit = SK_MaxS32; // no limit based on count |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 295 | byteLimit = fTotalByteLimit; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 296 | } |
| 297 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 298 | Rec* rec = fTail; |
| 299 | while (rec) { |
reed | 56b00d9 | 2014-09-11 12:22:34 -0700 | [diff] [blame] | 300 | if (!forcePurge && fTotalBytesUsed < byteLimit && fCount < countLimit) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 301 | break; |
| 302 | } |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 303 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 304 | Rec* prev = rec->fPrev; |
reed | c90e014 | 2014-09-15 11:39:44 -0700 | [diff] [blame] | 305 | this->remove(rec); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 306 | rec = prev; |
| 307 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 308 | } |
| 309 | |
reed | 83787d0 | 2015-02-25 07:17:11 -0800 | [diff] [blame] | 310 | //#define SK_TRACK_PURGE_SHAREDID_HITRATE |
| 311 | |
| 312 | #ifdef SK_TRACK_PURGE_SHAREDID_HITRATE |
| 313 | static int gPurgeCallCounter; |
| 314 | static int gPurgeHitCounter; |
| 315 | #endif |
| 316 | |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 317 | void SkResourceCache::purgeSharedID(uint64_t sharedID) { |
| 318 | if (0 == sharedID) { |
| 319 | return; |
| 320 | } |
| 321 | |
reed | 83787d0 | 2015-02-25 07:17:11 -0800 | [diff] [blame] | 322 | #ifdef SK_TRACK_PURGE_SHAREDID_HITRATE |
| 323 | gPurgeCallCounter += 1; |
| 324 | bool found = false; |
| 325 | #endif |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 326 | // go backwards, just like purgeAsNeeded, just to make the code similar. |
| 327 | // could iterate either direction and still be correct. |
| 328 | Rec* rec = fTail; |
| 329 | while (rec) { |
| 330 | Rec* prev = rec->fPrev; |
| 331 | if (rec->getKey().getSharedID() == sharedID) { |
| 332 | // SkDebugf("purgeSharedID id=%llx rec=%p\n", sharedID, rec); |
| 333 | this->remove(rec); |
reed | 83787d0 | 2015-02-25 07:17:11 -0800 | [diff] [blame] | 334 | #ifdef SK_TRACK_PURGE_SHAREDID_HITRATE |
| 335 | found = true; |
| 336 | #endif |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 337 | } |
| 338 | rec = prev; |
| 339 | } |
reed | 83787d0 | 2015-02-25 07:17:11 -0800 | [diff] [blame] | 340 | |
| 341 | #ifdef SK_TRACK_PURGE_SHAREDID_HITRATE |
| 342 | if (found) { |
| 343 | gPurgeHitCounter += 1; |
| 344 | } |
| 345 | |
| 346 | SkDebugf("PurgeShared calls=%d hits=%d rate=%g\n", gPurgeCallCounter, gPurgeHitCounter, |
| 347 | gPurgeHitCounter * 100.0 / gPurgeCallCounter); |
| 348 | #endif |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 349 | } |
| 350 | |
reed | 216b643 | 2015-08-19 12:25:40 -0700 | [diff] [blame] | 351 | void SkResourceCache::visitAll(Visitor visitor, void* context) { |
| 352 | // go backwards, just like purgeAsNeeded, just to make the code similar. |
| 353 | // could iterate either direction and still be correct. |
| 354 | Rec* rec = fTail; |
| 355 | while (rec) { |
| 356 | visitor(*rec, context); |
| 357 | rec = rec->fPrev; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 362 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 363 | size_t SkResourceCache::setTotalByteLimit(size_t newLimit) { |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 364 | size_t prevLimit = fTotalByteLimit; |
| 365 | fTotalByteLimit = newLimit; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 366 | if (newLimit < prevLimit) { |
| 367 | this->purgeAsNeeded(); |
| 368 | } |
| 369 | return prevLimit; |
| 370 | } |
| 371 | |
qiankun.miao | d9aac34 | 2014-10-23 07:58:17 -0700 | [diff] [blame] | 372 | SkCachedData* SkResourceCache::newCachedData(size_t bytes) { |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 373 | this->checkMessages(); |
mtklein | 1b24933 | 2015-07-07 12:21:21 -0700 | [diff] [blame] | 374 | |
qiankun.miao | d9aac34 | 2014-10-23 07:58:17 -0700 | [diff] [blame] | 375 | if (fDiscardableFactory) { |
| 376 | SkDiscardableMemory* dm = fDiscardableFactory(bytes); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 377 | return dm ? new SkCachedData(bytes, dm) : nullptr; |
qiankun.miao | d9aac34 | 2014-10-23 07:58:17 -0700 | [diff] [blame] | 378 | } else { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 379 | return new SkCachedData(sk_malloc_throw(bytes), bytes); |
qiankun.miao | d9aac34 | 2014-10-23 07:58:17 -0700 | [diff] [blame] | 380 | } |
| 381 | } |
| 382 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 383 | /////////////////////////////////////////////////////////////////////////////// |
| 384 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 385 | void SkResourceCache::detach(Rec* rec) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 386 | Rec* prev = rec->fPrev; |
| 387 | Rec* next = rec->fNext; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 388 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 389 | if (!prev) { |
| 390 | SkASSERT(fHead == rec); |
| 391 | fHead = next; |
| 392 | } else { |
| 393 | prev->fNext = next; |
| 394 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 395 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 396 | if (!next) { |
| 397 | fTail = prev; |
| 398 | } else { |
| 399 | next->fPrev = prev; |
| 400 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 401 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 402 | rec->fNext = rec->fPrev = nullptr; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 403 | } |
| 404 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 405 | void SkResourceCache::moveToHead(Rec* rec) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 406 | if (fHead == rec) { |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | SkASSERT(fHead); |
| 411 | SkASSERT(fTail); |
| 412 | |
| 413 | this->validate(); |
| 414 | |
| 415 | this->detach(rec); |
| 416 | |
| 417 | fHead->fPrev = rec; |
| 418 | rec->fNext = fHead; |
| 419 | fHead = rec; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 420 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 421 | this->validate(); |
| 422 | } |
| 423 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 424 | void SkResourceCache::addToHead(Rec* rec) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 425 | this->validate(); |
| 426 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 427 | rec->fPrev = nullptr; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 428 | rec->fNext = fHead; |
| 429 | if (fHead) { |
| 430 | fHead->fPrev = rec; |
| 431 | } |
| 432 | fHead = rec; |
| 433 | if (!fTail) { |
| 434 | fTail = rec; |
| 435 | } |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 436 | fTotalBytesUsed += rec->bytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 437 | fCount += 1; |
| 438 | |
| 439 | this->validate(); |
| 440 | } |
| 441 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 442 | /////////////////////////////////////////////////////////////////////////////// |
| 443 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 444 | #ifdef SK_DEBUG |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 445 | void SkResourceCache::validate() const { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 446 | if (nullptr == fHead) { |
| 447 | SkASSERT(nullptr == fTail); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 448 | SkASSERT(0 == fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 449 | return; |
| 450 | } |
| 451 | |
| 452 | if (fHead == fTail) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 453 | SkASSERT(nullptr == fHead->fPrev); |
| 454 | SkASSERT(nullptr == fHead->fNext); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 455 | SkASSERT(fHead->bytesUsed() == fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 456 | return; |
| 457 | } |
| 458 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 459 | SkASSERT(nullptr == fHead->fPrev); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 460 | SkASSERT(fHead->fNext); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 461 | SkASSERT(nullptr == fTail->fNext); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 462 | SkASSERT(fTail->fPrev); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 463 | |
| 464 | size_t used = 0; |
| 465 | int count = 0; |
| 466 | const Rec* rec = fHead; |
| 467 | while (rec) { |
| 468 | count += 1; |
| 469 | used += rec->bytesUsed(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 470 | SkASSERT(used <= fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 471 | rec = rec->fNext; |
| 472 | } |
| 473 | SkASSERT(fCount == count); |
| 474 | |
| 475 | rec = fTail; |
| 476 | while (rec) { |
| 477 | SkASSERT(count > 0); |
| 478 | count -= 1; |
| 479 | SkASSERT(used >= rec->bytesUsed()); |
| 480 | used -= rec->bytesUsed(); |
| 481 | rec = rec->fPrev; |
| 482 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 483 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 484 | SkASSERT(0 == count); |
| 485 | SkASSERT(0 == used); |
| 486 | } |
| 487 | #endif |
| 488 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 489 | void SkResourceCache::dump() const { |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 490 | this->validate(); |
| 491 | |
reed | c90e014 | 2014-09-15 11:39:44 -0700 | [diff] [blame] | 492 | SkDebugf("SkResourceCache: count=%d bytes=%d %s\n", |
| 493 | fCount, fTotalBytesUsed, fDiscardableFactory ? "discardable" : "malloc"); |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 494 | } |
| 495 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 496 | size_t SkResourceCache::setSingleAllocationByteLimit(size_t newLimit) { |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 497 | size_t oldLimit = fSingleAllocationByteLimit; |
| 498 | fSingleAllocationByteLimit = newLimit; |
| 499 | return oldLimit; |
| 500 | } |
| 501 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 502 | size_t SkResourceCache::getSingleAllocationByteLimit() const { |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 503 | return fSingleAllocationByteLimit; |
| 504 | } |
| 505 | |
reed | 1d9e80f | 2015-01-26 11:24:37 -0800 | [diff] [blame] | 506 | size_t SkResourceCache::getEffectiveSingleAllocationByteLimit() const { |
| 507 | // fSingleAllocationByteLimit == 0 means the caller is asking for our default |
| 508 | size_t limit = fSingleAllocationByteLimit; |
| 509 | |
| 510 | // if we're not discardable (i.e. we are fixed-budget) then cap the single-limit |
| 511 | // to our budget. |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 512 | if (nullptr == fDiscardableFactory) { |
reed | 1d9e80f | 2015-01-26 11:24:37 -0800 | [diff] [blame] | 513 | if (0 == limit) { |
| 514 | limit = fTotalByteLimit; |
| 515 | } else { |
| 516 | limit = SkTMin(limit, fTotalByteLimit); |
| 517 | } |
| 518 | } |
| 519 | return limit; |
| 520 | } |
| 521 | |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 522 | void SkResourceCache::checkMessages() { |
| 523 | SkTArray<PurgeSharedIDMessage> msgs; |
| 524 | fPurgeSharedIDInbox.poll(&msgs); |
| 525 | for (int i = 0; i < msgs.count(); ++i) { |
| 526 | this->purgeSharedID(msgs[i].fSharedID); |
| 527 | } |
| 528 | } |
| 529 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 530 | /////////////////////////////////////////////////////////////////////////////// |
| 531 | |
reed@google.com | be19dbe | 2013-07-24 15:06:34 +0000 | [diff] [blame] | 532 | SK_DECLARE_STATIC_MUTEX(gMutex); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 533 | static SkResourceCache* gResourceCache = nullptr; |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 534 | static void cleanup_gResourceCache() { |
mtklein | 77ec7a6 | 2014-06-10 11:13:47 -0700 | [diff] [blame] | 535 | // We'll clean this up in our own tests, but disable for clients. |
| 536 | // Chrome seems to have funky multi-process things going on in unit tests that |
| 537 | // makes this unsafe to delete when the main process atexit()s. |
| 538 | // SkLazyPtr does the same sort of thing. |
| 539 | #if SK_DEVELOPER |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 540 | delete gResourceCache; |
mtklein | 77ec7a6 | 2014-06-10 11:13:47 -0700 | [diff] [blame] | 541 | #endif |
| 542 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 543 | |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 544 | /** Must hold gMutex when calling. */ |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 545 | static SkResourceCache* get_cache() { |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 546 | // gMutex is always held when this is called, so we don't need to be fancy in here. |
mtklein | b83f6c3 | 2014-06-09 14:18:02 -0700 | [diff] [blame] | 547 | gMutex.assertHeld(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 548 | if (nullptr == gResourceCache) { |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 549 | #ifdef SK_USE_DISCARDABLE_SCALEDIMAGECACHE |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 550 | gResourceCache = new SkResourceCache(SkDiscardableMemory::Create); |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 551 | #else |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 552 | gResourceCache = new SkResourceCache(SK_DEFAULT_IMAGE_CACHE_LIMIT); |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 553 | #endif |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 554 | atexit(cleanup_gResourceCache); |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 555 | } |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 556 | return gResourceCache; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 557 | } |
| 558 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 559 | size_t SkResourceCache::GetTotalBytesUsed() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 560 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 561 | return get_cache()->getTotalBytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 562 | } |
| 563 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 564 | size_t SkResourceCache::GetTotalByteLimit() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 565 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 566 | return get_cache()->getTotalByteLimit(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 567 | } |
| 568 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 569 | size_t SkResourceCache::SetTotalByteLimit(size_t newLimit) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 570 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 571 | return get_cache()->setTotalByteLimit(newLimit); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 572 | } |
| 573 | |
reed | 30ad530 | 2014-09-16 10:39:55 -0700 | [diff] [blame] | 574 | SkResourceCache::DiscardableFactory SkResourceCache::GetDiscardableFactory() { |
| 575 | SkAutoMutexAcquire am(gMutex); |
| 576 | return get_cache()->discardableFactory(); |
| 577 | } |
| 578 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 579 | SkBitmap::Allocator* SkResourceCache::GetAllocator() { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 580 | SkAutoMutexAcquire am(gMutex); |
| 581 | return get_cache()->allocator(); |
| 582 | } |
| 583 | |
qiankun.miao | d9aac34 | 2014-10-23 07:58:17 -0700 | [diff] [blame] | 584 | SkCachedData* SkResourceCache::NewCachedData(size_t bytes) { |
| 585 | SkAutoMutexAcquire am(gMutex); |
| 586 | return get_cache()->newCachedData(bytes); |
| 587 | } |
| 588 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 589 | void SkResourceCache::Dump() { |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 590 | SkAutoMutexAcquire am(gMutex); |
| 591 | get_cache()->dump(); |
| 592 | } |
| 593 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 594 | size_t SkResourceCache::SetSingleAllocationByteLimit(size_t size) { |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 595 | SkAutoMutexAcquire am(gMutex); |
| 596 | return get_cache()->setSingleAllocationByteLimit(size); |
| 597 | } |
| 598 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 599 | size_t SkResourceCache::GetSingleAllocationByteLimit() { |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 600 | SkAutoMutexAcquire am(gMutex); |
| 601 | return get_cache()->getSingleAllocationByteLimit(); |
| 602 | } |
| 603 | |
reed | 1d9e80f | 2015-01-26 11:24:37 -0800 | [diff] [blame] | 604 | size_t SkResourceCache::GetEffectiveSingleAllocationByteLimit() { |
| 605 | SkAutoMutexAcquire am(gMutex); |
| 606 | return get_cache()->getEffectiveSingleAllocationByteLimit(); |
| 607 | } |
| 608 | |
reed | 56b00d9 | 2014-09-11 12:22:34 -0700 | [diff] [blame] | 609 | void SkResourceCache::PurgeAll() { |
| 610 | SkAutoMutexAcquire am(gMutex); |
| 611 | return get_cache()->purgeAll(); |
| 612 | } |
| 613 | |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 614 | bool SkResourceCache::Find(const Key& key, FindVisitor visitor, void* context) { |
reed | 680fb9e | 2014-08-26 09:08:04 -0700 | [diff] [blame] | 615 | SkAutoMutexAcquire am(gMutex); |
reed | c90e014 | 2014-09-15 11:39:44 -0700 | [diff] [blame] | 616 | return get_cache()->find(key, visitor, context); |
reed | 680fb9e | 2014-08-26 09:08:04 -0700 | [diff] [blame] | 617 | } |
| 618 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 619 | void SkResourceCache::Add(Rec* rec) { |
reed | 680fb9e | 2014-08-26 09:08:04 -0700 | [diff] [blame] | 620 | SkAutoMutexAcquire am(gMutex); |
| 621 | get_cache()->add(rec); |
| 622 | } |
| 623 | |
reed | 216b643 | 2015-08-19 12:25:40 -0700 | [diff] [blame] | 624 | void SkResourceCache::VisitAll(Visitor visitor, void* context) { |
| 625 | SkAutoMutexAcquire am(gMutex); |
| 626 | get_cache()->visitAll(visitor, context); |
| 627 | } |
| 628 | |
reed | 7eeba25 | 2015-02-24 13:54:23 -0800 | [diff] [blame] | 629 | void SkResourceCache::PostPurgeSharedID(uint64_t sharedID) { |
| 630 | if (sharedID) { |
| 631 | SkMessageBus<PurgeSharedIDMessage>::Post(PurgeSharedIDMessage(sharedID)); |
| 632 | } |
| 633 | } |
| 634 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 635 | /////////////////////////////////////////////////////////////////////////////// |
| 636 | |
| 637 | #include "SkGraphics.h" |
reed | 67ca2a9 | 2015-05-20 13:22:58 -0700 | [diff] [blame] | 638 | #include "SkImageFilter.h" |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 639 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 640 | size_t SkGraphics::GetResourceCacheTotalBytesUsed() { |
| 641 | return SkResourceCache::GetTotalBytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 642 | } |
| 643 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 644 | size_t SkGraphics::GetResourceCacheTotalByteLimit() { |
| 645 | return SkResourceCache::GetTotalByteLimit(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 646 | } |
| 647 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 648 | size_t SkGraphics::SetResourceCacheTotalByteLimit(size_t newLimit) { |
| 649 | return SkResourceCache::SetTotalByteLimit(newLimit); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 650 | } |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 651 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 652 | size_t SkGraphics::GetResourceCacheSingleAllocationByteLimit() { |
| 653 | return SkResourceCache::GetSingleAllocationByteLimit(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 654 | } |
| 655 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 656 | size_t SkGraphics::SetResourceCacheSingleAllocationByteLimit(size_t newLimit) { |
| 657 | return SkResourceCache::SetSingleAllocationByteLimit(newLimit); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 658 | } |
| 659 | |
reed | 56b00d9 | 2014-09-11 12:22:34 -0700 | [diff] [blame] | 660 | void SkGraphics::PurgeResourceCache() { |
mtklein | 242397a | 2015-09-29 12:17:08 -0700 | [diff] [blame] | 661 | SkImageFilter::PurgeCache(); |
reed | 56b00d9 | 2014-09-11 12:22:34 -0700 | [diff] [blame] | 662 | return SkResourceCache::PurgeAll(); |
| 663 | } |
| 664 | |
reed | 216b643 | 2015-08-19 12:25:40 -0700 | [diff] [blame] | 665 | ///////////// |
| 666 | |
| 667 | static void dump_visitor(const SkResourceCache::Rec& rec, void*) { |
| 668 | SkDebugf("RC: %12s bytes %9lu discardable %p\n", |
| 669 | rec.getCategory(), rec.bytesUsed(), rec.diagnostic_only_getDiscardable()); |
| 670 | } |
| 671 | |
| 672 | void SkResourceCache::TestDumpMemoryStatistics() { |
| 673 | VisitAll(dump_visitor, nullptr); |
| 674 | } |
ssid | 33c594c | 2015-08-27 09:23:54 -0700 | [diff] [blame] | 675 | |
| 676 | static void sk_trace_dump_visitor(const SkResourceCache::Rec& rec, void* context) { |
| 677 | SkTraceMemoryDump* dump = static_cast<SkTraceMemoryDump*>(context); |
ssid | f0c9865 | 2015-09-30 04:31:23 -0700 | [diff] [blame] | 678 | SkString dumpName = SkStringPrintf("skia/sk_resource_cache/%s_%p", rec.getCategory(), &rec); |
ssid | 33c594c | 2015-08-27 09:23:54 -0700 | [diff] [blame] | 679 | SkDiscardableMemory* discardable = rec.diagnostic_only_getDiscardable(); |
| 680 | if (discardable) { |
ssid | f0c9865 | 2015-09-30 04:31:23 -0700 | [diff] [blame] | 681 | dump->setDiscardableMemoryBacking(dumpName.c_str(), *discardable); |
ssid | 60df542 | 2015-10-01 12:41:35 -0700 | [diff] [blame^] | 682 | |
| 683 | // The discardable memory size will be calculated by dumper, but we also dump what we think |
| 684 | // the size of object in memory is irrespective of whether object is live or dead. |
| 685 | dump->dumpNumericValue(dumpName.c_str(), "discardable_size", "bytes", rec.bytesUsed()); |
ssid | 33c594c | 2015-08-27 09:23:54 -0700 | [diff] [blame] | 686 | } else { |
ssid | f0c9865 | 2015-09-30 04:31:23 -0700 | [diff] [blame] | 687 | dump->dumpNumericValue(dumpName.c_str(), "size", "bytes", rec.bytesUsed()); |
| 688 | dump->setMemoryBacking(dumpName.c_str(), "malloc", nullptr); |
ssid | 33c594c | 2015-08-27 09:23:54 -0700 | [diff] [blame] | 689 | } |
| 690 | } |
| 691 | |
| 692 | void SkResourceCache::DumpMemoryStatistics(SkTraceMemoryDump* dump) { |
ssid | f0c9865 | 2015-09-30 04:31:23 -0700 | [diff] [blame] | 693 | // Since resource could be backed by malloc or discardable, the cache always dumps detailed |
| 694 | // stats to be accurate. |
ssid | 33c594c | 2015-08-27 09:23:54 -0700 | [diff] [blame] | 695 | VisitAll(sk_trace_dump_visitor, dump); |
| 696 | } |