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@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 9 | #include "SkScaledImageCache.h" |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 10 | #include "SkMipMap.h" |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 11 | #include "SkPixelRef.h" |
| 12 | #include "SkRect.h" |
| 13 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 14 | // This can be defined by the caller's build system |
| 15 | //#define SK_USE_DISCARDABLE_SCALEDIMAGECACHE |
| 16 | |
| 17 | #ifndef SK_DISCARDABLEMEMORY_SCALEDIMAGECACHE_COUNT_LIMIT |
| 18 | # define SK_DISCARDABLEMEMORY_SCALEDIMAGECACHE_COUNT_LIMIT 1024 |
| 19 | #endif |
| 20 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 21 | #ifndef SK_DEFAULT_IMAGE_CACHE_LIMIT |
| 22 | #define SK_DEFAULT_IMAGE_CACHE_LIMIT (2 * 1024 * 1024) |
| 23 | #endif |
| 24 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 25 | static inline SkScaledImageCache::ID* rec_to_id(SkScaledImageCache::Rec* rec) { |
| 26 | return reinterpret_cast<SkScaledImageCache::ID*>(rec); |
| 27 | } |
| 28 | |
| 29 | static inline SkScaledImageCache::Rec* id_to_rec(SkScaledImageCache::ID* id) { |
| 30 | return reinterpret_cast<SkScaledImageCache::Rec*>(id); |
| 31 | } |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 32 | |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 33 | void SkScaledImageCache::Key::init(size_t length) { |
| 34 | SkASSERT(SkAlign4(length) == length); |
| 35 | // 2 is fCount32 and fHash |
| 36 | fCount32 = SkToS32(2 + (length >> 2)); |
| 37 | // skip both of our fields whe computing the murmur |
| 38 | fHash = SkChecksum::Murmur3(this->as32() + 2, (fCount32 - 2) << 2); |
| 39 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 40 | |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 41 | SkScaledImageCache::Key* SkScaledImageCache::Key::clone() const { |
| 42 | size_t size = fCount32 << 2; |
| 43 | void* copy = sk_malloc_throw(size); |
| 44 | memcpy(copy, this, size); |
| 45 | return (Key*)copy; |
| 46 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 47 | |
| 48 | struct SkScaledImageCache::Rec { |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 49 | Rec(const Key& key, const SkBitmap& bm) : fKey(key.clone()), fBitmap(bm) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 50 | fLockCount = 1; |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 51 | fMip = NULL; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 52 | } |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 53 | |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 54 | Rec(const Key& key, const SkMipMap* mip) : fKey(key.clone()) { |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 55 | fLockCount = 1; |
| 56 | fMip = mip; |
| 57 | mip->ref(); |
| 58 | } |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 59 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 60 | ~Rec() { |
| 61 | SkSafeUnref(fMip); |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 62 | sk_free(fKey); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 63 | } |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 64 | |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 65 | static const Key& GetKey(const Rec& rec) { return *rec.fKey; } |
| 66 | static uint32_t Hash(const Key& key) { return key.hash(); } |
commit-bot@chromium.org | 55bd940 | 2014-04-02 19:17:00 +0000 | [diff] [blame] | 67 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 68 | size_t bytesUsed() const { |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 69 | return fMip ? fMip->getSize() : fBitmap.getSize(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | Rec* fNext; |
| 73 | Rec* fPrev; |
| 74 | |
| 75 | // this guy wants to be 64bit aligned |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 76 | Key* fKey; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 77 | |
| 78 | int32_t fLockCount; |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 79 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 80 | // we use either fBitmap or fMip, but not both |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 81 | SkBitmap fBitmap; |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 82 | const SkMipMap* fMip; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 83 | }; |
| 84 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 85 | #include "SkTDynamicHash.h" |
| 86 | |
commit-bot@chromium.org | 55bd940 | 2014-04-02 19:17:00 +0000 | [diff] [blame] | 87 | class SkScaledImageCache::Hash : |
| 88 | public SkTDynamicHash<SkScaledImageCache::Rec, SkScaledImageCache::Key> {}; |
commit-bot@chromium.org | 158f646 | 2014-04-02 17:03:09 +0000 | [diff] [blame] | 89 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 90 | |
| 91 | /////////////////////////////////////////////////////////////////////////////// |
| 92 | |
reed@google.com | b8d17fe | 2013-07-25 17:42:24 +0000 | [diff] [blame] | 93 | // experimental hash to speed things up |
reed@google.com | ea348cb | 2013-07-25 17:50:37 +0000 | [diff] [blame] | 94 | #define USE_HASH |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 95 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 96 | #if !defined(USE_HASH) |
| 97 | static inline SkScaledImageCache::Rec* find_rec_in_list( |
| 98 | SkScaledImageCache::Rec* head, const Key & key) { |
| 99 | SkScaledImageCache::Rec* rec = head; |
| 100 | while ((rec != NULL) && (rec->fKey != key)) { |
| 101 | rec = rec->fNext; |
| 102 | } |
| 103 | return rec; |
| 104 | } |
| 105 | #endif |
| 106 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 107 | void SkScaledImageCache::init() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 108 | fHead = NULL; |
| 109 | fTail = NULL; |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 110 | #ifdef USE_HASH |
| 111 | fHash = new Hash; |
| 112 | #else |
| 113 | fHash = NULL; |
| 114 | #endif |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 115 | fTotalBytesUsed = 0; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 116 | fCount = 0; |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 117 | fSingleAllocationByteLimit = 0; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 118 | fAllocator = NULL; |
| 119 | |
| 120 | // One of these should be explicit set by the caller after we return. |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 121 | fTotalByteLimit = 0; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 122 | fDiscardableFactory = NULL; |
| 123 | } |
| 124 | |
| 125 | #include "SkDiscardableMemory.h" |
| 126 | |
| 127 | class SkOneShotDiscardablePixelRef : public SkPixelRef { |
| 128 | public: |
commit-bot@chromium.org | 227c246 | 2014-01-24 18:33:07 +0000 | [diff] [blame] | 129 | SK_DECLARE_INST_COUNT(SkOneShotDiscardablePixelRef) |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 130 | // Ownership of the discardablememory is transfered to the pixelref |
| 131 | SkOneShotDiscardablePixelRef(const SkImageInfo&, SkDiscardableMemory*, size_t rowBytes); |
| 132 | ~SkOneShotDiscardablePixelRef(); |
| 133 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 134 | protected: |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 135 | virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 136 | virtual void onUnlockPixels() SK_OVERRIDE; |
| 137 | virtual size_t getAllocatedSizeInBytes() const SK_OVERRIDE; |
| 138 | |
| 139 | private: |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 140 | SkDiscardableMemory* fDM; |
| 141 | size_t fRB; |
| 142 | bool fFirstTime; |
| 143 | |
| 144 | typedef SkPixelRef INHERITED; |
| 145 | }; |
| 146 | |
| 147 | SkOneShotDiscardablePixelRef::SkOneShotDiscardablePixelRef(const SkImageInfo& info, |
| 148 | SkDiscardableMemory* dm, |
| 149 | size_t rowBytes) |
| 150 | : INHERITED(info) |
| 151 | , fDM(dm) |
| 152 | , fRB(rowBytes) |
| 153 | { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 154 | SkASSERT(dm->data()); |
| 155 | fFirstTime = true; |
| 156 | } |
| 157 | |
| 158 | SkOneShotDiscardablePixelRef::~SkOneShotDiscardablePixelRef() { |
| 159 | SkDELETE(fDM); |
| 160 | } |
| 161 | |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 162 | bool SkOneShotDiscardablePixelRef::onNewLockPixels(LockRec* rec) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 163 | if (fFirstTime) { |
| 164 | // we're already locked |
reed@google.com | c83a91f | 2013-12-13 13:41:14 +0000 | [diff] [blame] | 165 | SkASSERT(fDM->data()); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 166 | fFirstTime = false; |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 167 | goto SUCCESS; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 168 | } |
commit-bot@chromium.org | 281713e | 2013-12-12 18:08:08 +0000 | [diff] [blame] | 169 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 170 | // A previous call to onUnlock may have deleted our DM, so check for that |
| 171 | if (NULL == fDM) { |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 172 | return false; |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | if (!fDM->lock()) { |
| 176 | // since it failed, we delete it now, to free-up the resource |
| 177 | delete fDM; |
| 178 | fDM = NULL; |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 179 | return false; |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 180 | } |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 181 | |
| 182 | SUCCESS: |
| 183 | rec->fPixels = fDM->data(); |
| 184 | rec->fColorTable = NULL; |
| 185 | rec->fRowBytes = fRB; |
| 186 | return true; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | void SkOneShotDiscardablePixelRef::onUnlockPixels() { |
| 190 | SkASSERT(!fFirstTime); |
reed@google.com | c83a91f | 2013-12-13 13:41:14 +0000 | [diff] [blame] | 191 | fDM->unlock(); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | size_t SkOneShotDiscardablePixelRef::getAllocatedSizeInBytes() const { |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 195 | return this->info().getSafeSize(fRB); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | class SkScaledImageCacheDiscardableAllocator : public SkBitmap::Allocator { |
| 199 | public: |
| 200 | SkScaledImageCacheDiscardableAllocator( |
| 201 | SkScaledImageCache::DiscardableFactory factory) { |
| 202 | SkASSERT(factory); |
| 203 | fFactory = factory; |
| 204 | } |
| 205 | |
| 206 | virtual bool allocPixelRef(SkBitmap*, SkColorTable*) SK_OVERRIDE; |
skia.committer@gmail.com | cf0803b | 2013-12-10 07:02:03 +0000 | [diff] [blame] | 207 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 208 | private: |
| 209 | SkScaledImageCache::DiscardableFactory fFactory; |
| 210 | }; |
| 211 | |
| 212 | bool SkScaledImageCacheDiscardableAllocator::allocPixelRef(SkBitmap* bitmap, |
| 213 | SkColorTable* ctable) { |
| 214 | size_t size = bitmap->getSize(); |
sugoi | c197c8a | 2014-07-03 10:44:26 -0700 | [diff] [blame] | 215 | uint64_t size64 = bitmap->computeSize64(); |
| 216 | if (0 == size || size64 > (uint64_t)size) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 217 | return false; |
| 218 | } |
| 219 | |
| 220 | SkDiscardableMemory* dm = fFactory(size); |
| 221 | if (NULL == dm) { |
| 222 | return false; |
| 223 | } |
| 224 | |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 225 | // can we relax this? |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 226 | if (kN32_SkColorType != bitmap->colorType()) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 227 | return false; |
| 228 | } |
| 229 | |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 230 | SkImageInfo info = bitmap->info(); |
commit-bot@chromium.org | e13af71 | 2014-01-13 20:39:14 +0000 | [diff] [blame] | 231 | bitmap->setPixelRef(SkNEW_ARGS(SkOneShotDiscardablePixelRef, |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 232 | (info, dm, bitmap->rowBytes())))->unref(); |
| 233 | bitmap->lockPixels(); |
| 234 | return bitmap->readyToDraw(); |
| 235 | } |
| 236 | |
| 237 | SkScaledImageCache::SkScaledImageCache(DiscardableFactory factory) { |
| 238 | this->init(); |
| 239 | fDiscardableFactory = factory; |
| 240 | |
| 241 | fAllocator = SkNEW_ARGS(SkScaledImageCacheDiscardableAllocator, (factory)); |
| 242 | } |
| 243 | |
| 244 | SkScaledImageCache::SkScaledImageCache(size_t byteLimit) { |
| 245 | this->init(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 246 | fTotalByteLimit = byteLimit; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | SkScaledImageCache::~SkScaledImageCache() { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 250 | SkSafeUnref(fAllocator); |
| 251 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 252 | Rec* rec = fHead; |
| 253 | while (rec) { |
| 254 | Rec* next = rec->fNext; |
| 255 | SkDELETE(rec); |
| 256 | rec = next; |
| 257 | } |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 258 | delete fHash; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 259 | } |
| 260 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 261 | //////////////////////////////////////////////////////////////////////////////// |
| 262 | |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 263 | struct GenWHKey : public SkScaledImageCache::Key { |
| 264 | public: |
| 265 | GenWHKey(uint32_t genID, SkScalar scaleX, SkScalar scaleY, const SkIRect& bounds) |
| 266 | : fGenID(genID) |
| 267 | , fScaleX(scaleX) |
| 268 | , fScaleY(scaleY) |
| 269 | , fBounds(bounds) { |
| 270 | this->init(7 * sizeof(uint32_t)); |
| 271 | } |
| 272 | |
| 273 | uint32_t fGenID; |
| 274 | SkScalar fScaleX; |
| 275 | SkScalar fScaleY; |
| 276 | SkIRect fBounds; |
| 277 | }; |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 278 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 279 | SkScaledImageCache::Rec* SkScaledImageCache::findAndLock(uint32_t genID, |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 280 | SkScalar scaleX, |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 281 | SkScalar scaleY, |
| 282 | const SkIRect& bounds) { |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 283 | return this->findAndLock(GenWHKey(genID, scaleX, scaleY, bounds)); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | /** |
| 287 | This private method is the fully general record finder. All other |
| 288 | record finders should call this function or the one above. */ |
| 289 | SkScaledImageCache::Rec* SkScaledImageCache::findAndLock(const SkScaledImageCache::Key& key) { |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 290 | #ifdef USE_HASH |
| 291 | Rec* rec = fHash->find(key); |
| 292 | #else |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 293 | Rec* rec = find_rec_in_list(fHead, key); |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 294 | #endif |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 295 | if (rec) { |
| 296 | this->moveToHead(rec); // for our LRU |
| 297 | rec->fLockCount += 1; |
| 298 | } |
| 299 | return rec; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 300 | } |
| 301 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 302 | /** |
| 303 | This function finds the bounds of the bitmap *within its pixelRef*. |
| 304 | If the bitmap lacks a pixelRef, it will return an empty rect, since |
| 305 | that doesn't make sense. This may be a useful enough function that |
| 306 | it should be somewhere else (in SkBitmap?). */ |
| 307 | static SkIRect get_bounds_from_bitmap(const SkBitmap& bm) { |
| 308 | if (!(bm.pixelRef())) { |
| 309 | return SkIRect::MakeEmpty(); |
| 310 | } |
reed@google.com | 672588b | 2014-01-08 15:42:01 +0000 | [diff] [blame] | 311 | SkIPoint origin = bm.pixelRefOrigin(); |
| 312 | return SkIRect::MakeXYWH(origin.fX, origin.fY, bm.width(), bm.height()); |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | |
| 316 | SkScaledImageCache::ID* SkScaledImageCache::findAndLock(uint32_t genID, |
| 317 | int32_t width, |
| 318 | int32_t height, |
| 319 | SkBitmap* bitmap) { |
| 320 | Rec* rec = this->findAndLock(genID, SK_Scalar1, SK_Scalar1, |
| 321 | SkIRect::MakeWH(width, height)); |
| 322 | if (rec) { |
| 323 | SkASSERT(NULL == rec->fMip); |
| 324 | SkASSERT(rec->fBitmap.pixelRef()); |
| 325 | *bitmap = rec->fBitmap; |
| 326 | } |
| 327 | return rec_to_id(rec); |
| 328 | } |
| 329 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 330 | SkScaledImageCache::ID* SkScaledImageCache::findAndLock(const SkBitmap& orig, |
| 331 | SkScalar scaleX, |
| 332 | SkScalar scaleY, |
| 333 | SkBitmap* scaled) { |
| 334 | if (0 == scaleX || 0 == scaleY) { |
| 335 | // degenerate, and the key we use for mipmaps |
| 336 | return NULL; |
| 337 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 338 | Rec* rec = this->findAndLock(orig.getGenerationID(), scaleX, |
| 339 | scaleY, get_bounds_from_bitmap(orig)); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 340 | if (rec) { |
| 341 | SkASSERT(NULL == rec->fMip); |
| 342 | SkASSERT(rec->fBitmap.pixelRef()); |
| 343 | *scaled = rec->fBitmap; |
| 344 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 345 | return rec_to_id(rec); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | SkScaledImageCache::ID* SkScaledImageCache::findAndLockMip(const SkBitmap& orig, |
| 349 | SkMipMap const ** mip) { |
skia.committer@gmail.com | b77f0f4 | 2013-10-30 07:01:56 +0000 | [diff] [blame] | 350 | Rec* rec = this->findAndLock(orig.getGenerationID(), 0, 0, |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 351 | get_bounds_from_bitmap(orig)); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 352 | if (rec) { |
| 353 | SkASSERT(rec->fMip); |
| 354 | SkASSERT(NULL == rec->fBitmap.pixelRef()); |
| 355 | *mip = rec->fMip; |
| 356 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 357 | return rec_to_id(rec); |
| 358 | } |
| 359 | |
| 360 | |
| 361 | //////////////////////////////////////////////////////////////////////////////// |
| 362 | /** |
| 363 | This private method is the fully general record adder. All other |
| 364 | record adders should call this funtion. */ |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 365 | SkScaledImageCache::ID* SkScaledImageCache::addAndLock(SkScaledImageCache::Rec* rec) { |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 366 | SkASSERT(rec); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 367 | // See if we already have this key (racy inserts, etc.) |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 368 | Rec* existing = this->findAndLock(*rec->fKey); |
robertphillips@google.com | 5db04df | 2013-12-18 18:48:08 +0000 | [diff] [blame] | 369 | if (NULL != existing) { |
| 370 | // Since we already have a matching entry, just delete the new one and return. |
| 371 | // Call sites cannot assume the passed in object will live past this call. |
commit-bot@chromium.org | 5e4112b | 2014-03-05 13:44:18 +0000 | [diff] [blame] | 372 | existing->fBitmap = rec->fBitmap; |
robertphillips@google.com | 5db04df | 2013-12-18 18:48:08 +0000 | [diff] [blame] | 373 | SkDELETE(rec); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 374 | return rec_to_id(existing); |
| 375 | } |
| 376 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 377 | this->addToHead(rec); |
| 378 | SkASSERT(1 == rec->fLockCount); |
| 379 | #ifdef USE_HASH |
| 380 | SkASSERT(fHash); |
| 381 | fHash->add(rec); |
| 382 | #endif |
| 383 | // We may (now) be overbudget, so see if we need to purge something. |
| 384 | this->purgeAsNeeded(); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 385 | return rec_to_id(rec); |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | SkScaledImageCache::ID* SkScaledImageCache::addAndLock(uint32_t genID, |
| 389 | int32_t width, |
| 390 | int32_t height, |
| 391 | const SkBitmap& bitmap) { |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 392 | GenWHKey key(genID, SK_Scalar1, SK_Scalar1, SkIRect::MakeWH(width, height)); |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 393 | Rec* rec = SkNEW_ARGS(Rec, (key, bitmap)); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 394 | return this->addAndLock(rec); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 395 | } |
| 396 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 397 | SkScaledImageCache::ID* SkScaledImageCache::addAndLock(const SkBitmap& orig, |
| 398 | SkScalar scaleX, |
| 399 | SkScalar scaleY, |
| 400 | const SkBitmap& scaled) { |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 401 | if (0 == scaleX || 0 == scaleY) { |
| 402 | // degenerate, and the key we use for mipmaps |
| 403 | return NULL; |
| 404 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 405 | SkIRect bounds = get_bounds_from_bitmap(orig); |
| 406 | if (bounds.isEmpty()) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 407 | return NULL; |
| 408 | } |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 409 | GenWHKey key(orig.getGenerationID(), scaleX, scaleY, bounds); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 410 | Rec* rec = SkNEW_ARGS(Rec, (key, scaled)); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 411 | return this->addAndLock(rec); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 412 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 413 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 414 | SkScaledImageCache::ID* SkScaledImageCache::addAndLockMip(const SkBitmap& orig, |
| 415 | const SkMipMap* mip) { |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 416 | SkIRect bounds = get_bounds_from_bitmap(orig); |
| 417 | if (bounds.isEmpty()) { |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 418 | return NULL; |
| 419 | } |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 420 | GenWHKey key(orig.getGenerationID(), 0, 0, bounds); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 421 | Rec* rec = SkNEW_ARGS(Rec, (key, mip)); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 422 | return this->addAndLock(rec); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | void SkScaledImageCache::unlock(SkScaledImageCache::ID* id) { |
| 426 | SkASSERT(id); |
| 427 | |
| 428 | #ifdef SK_DEBUG |
| 429 | { |
| 430 | bool found = false; |
| 431 | Rec* rec = fHead; |
| 432 | while (rec != NULL) { |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 433 | if (rec == id_to_rec(id)) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 434 | found = true; |
| 435 | break; |
| 436 | } |
| 437 | rec = rec->fNext; |
| 438 | } |
| 439 | SkASSERT(found); |
| 440 | } |
| 441 | #endif |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 442 | Rec* rec = id_to_rec(id); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 443 | SkASSERT(rec->fLockCount > 0); |
| 444 | rec->fLockCount -= 1; |
| 445 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 446 | // we may have been over-budget, but now have released something, so check |
| 447 | // if we should purge. |
| 448 | if (0 == rec->fLockCount) { |
| 449 | this->purgeAsNeeded(); |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | void SkScaledImageCache::purgeAsNeeded() { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 454 | size_t byteLimit; |
| 455 | int countLimit; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 456 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 457 | if (fDiscardableFactory) { |
| 458 | countLimit = SK_DISCARDABLEMEMORY_SCALEDIMAGECACHE_COUNT_LIMIT; |
| 459 | byteLimit = SK_MaxU32; // no limit based on bytes |
| 460 | } else { |
| 461 | countLimit = SK_MaxS32; // no limit based on count |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 462 | byteLimit = fTotalByteLimit; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 463 | } |
| 464 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 465 | size_t bytesUsed = fTotalBytesUsed; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 466 | int countUsed = fCount; |
skia.committer@gmail.com | cf0803b | 2013-12-10 07:02:03 +0000 | [diff] [blame] | 467 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 468 | Rec* rec = fTail; |
| 469 | while (rec) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 470 | if (bytesUsed < byteLimit && countUsed < countLimit) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 471 | break; |
| 472 | } |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 473 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 474 | Rec* prev = rec->fPrev; |
| 475 | if (0 == rec->fLockCount) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 476 | size_t used = rec->bytesUsed(); |
| 477 | SkASSERT(used <= bytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 478 | this->detach(rec); |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 479 | #ifdef USE_HASH |
reed | 4f987e9 | 2014-08-20 13:41:56 -0700 | [diff] [blame^] | 480 | fHash->remove(*rec->fKey); |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 481 | #endif |
skia.committer@gmail.com | 956b310 | 2013-07-26 07:00:58 +0000 | [diff] [blame] | 482 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 483 | SkDELETE(rec); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 484 | |
| 485 | bytesUsed -= used; |
| 486 | countUsed -= 1; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 487 | } |
| 488 | rec = prev; |
| 489 | } |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 490 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 491 | fTotalBytesUsed = bytesUsed; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 492 | fCount = countUsed; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 493 | } |
| 494 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 495 | size_t SkScaledImageCache::setTotalByteLimit(size_t newLimit) { |
| 496 | size_t prevLimit = fTotalByteLimit; |
| 497 | fTotalByteLimit = newLimit; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 498 | if (newLimit < prevLimit) { |
| 499 | this->purgeAsNeeded(); |
| 500 | } |
| 501 | return prevLimit; |
| 502 | } |
| 503 | |
| 504 | /////////////////////////////////////////////////////////////////////////////// |
| 505 | |
| 506 | void SkScaledImageCache::detach(Rec* rec) { |
| 507 | Rec* prev = rec->fPrev; |
| 508 | Rec* next = rec->fNext; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 509 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 510 | if (!prev) { |
| 511 | SkASSERT(fHead == rec); |
| 512 | fHead = next; |
| 513 | } else { |
| 514 | prev->fNext = next; |
| 515 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 516 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 517 | if (!next) { |
| 518 | fTail = prev; |
| 519 | } else { |
| 520 | next->fPrev = prev; |
| 521 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 522 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 523 | rec->fNext = rec->fPrev = NULL; |
| 524 | } |
| 525 | |
| 526 | void SkScaledImageCache::moveToHead(Rec* rec) { |
| 527 | if (fHead == rec) { |
| 528 | return; |
| 529 | } |
| 530 | |
| 531 | SkASSERT(fHead); |
| 532 | SkASSERT(fTail); |
| 533 | |
| 534 | this->validate(); |
| 535 | |
| 536 | this->detach(rec); |
| 537 | |
| 538 | fHead->fPrev = rec; |
| 539 | rec->fNext = fHead; |
| 540 | fHead = rec; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 541 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 542 | this->validate(); |
| 543 | } |
| 544 | |
| 545 | void SkScaledImageCache::addToHead(Rec* rec) { |
| 546 | this->validate(); |
| 547 | |
| 548 | rec->fPrev = NULL; |
| 549 | rec->fNext = fHead; |
| 550 | if (fHead) { |
| 551 | fHead->fPrev = rec; |
| 552 | } |
| 553 | fHead = rec; |
| 554 | if (!fTail) { |
| 555 | fTail = rec; |
| 556 | } |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 557 | fTotalBytesUsed += rec->bytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 558 | fCount += 1; |
| 559 | |
| 560 | this->validate(); |
| 561 | } |
| 562 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 563 | /////////////////////////////////////////////////////////////////////////////// |
| 564 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 565 | #ifdef SK_DEBUG |
| 566 | void SkScaledImageCache::validate() const { |
| 567 | if (NULL == fHead) { |
| 568 | SkASSERT(NULL == fTail); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 569 | SkASSERT(0 == fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 570 | return; |
| 571 | } |
| 572 | |
| 573 | if (fHead == fTail) { |
| 574 | SkASSERT(NULL == fHead->fPrev); |
| 575 | SkASSERT(NULL == fHead->fNext); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 576 | SkASSERT(fHead->bytesUsed() == fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 577 | return; |
| 578 | } |
| 579 | |
| 580 | SkASSERT(NULL == fHead->fPrev); |
| 581 | SkASSERT(NULL != fHead->fNext); |
| 582 | SkASSERT(NULL == fTail->fNext); |
| 583 | SkASSERT(NULL != fTail->fPrev); |
| 584 | |
| 585 | size_t used = 0; |
| 586 | int count = 0; |
| 587 | const Rec* rec = fHead; |
| 588 | while (rec) { |
| 589 | count += 1; |
| 590 | used += rec->bytesUsed(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 591 | SkASSERT(used <= fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 592 | rec = rec->fNext; |
| 593 | } |
| 594 | SkASSERT(fCount == count); |
| 595 | |
| 596 | rec = fTail; |
| 597 | while (rec) { |
| 598 | SkASSERT(count > 0); |
| 599 | count -= 1; |
| 600 | SkASSERT(used >= rec->bytesUsed()); |
| 601 | used -= rec->bytesUsed(); |
| 602 | rec = rec->fPrev; |
| 603 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 604 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 605 | SkASSERT(0 == count); |
| 606 | SkASSERT(0 == used); |
| 607 | } |
| 608 | #endif |
| 609 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 610 | void SkScaledImageCache::dump() const { |
| 611 | this->validate(); |
| 612 | |
| 613 | const Rec* rec = fHead; |
| 614 | int locked = 0; |
| 615 | while (rec) { |
| 616 | locked += rec->fLockCount > 0; |
| 617 | rec = rec->fNext; |
| 618 | } |
| 619 | |
| 620 | SkDebugf("SkScaledImageCache: count=%d bytes=%d locked=%d %s\n", |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 621 | fCount, fTotalBytesUsed, locked, |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 622 | fDiscardableFactory ? "discardable" : "malloc"); |
| 623 | } |
| 624 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 625 | size_t SkScaledImageCache::setSingleAllocationByteLimit(size_t newLimit) { |
| 626 | size_t oldLimit = fSingleAllocationByteLimit; |
| 627 | fSingleAllocationByteLimit = newLimit; |
| 628 | return oldLimit; |
| 629 | } |
| 630 | |
| 631 | size_t SkScaledImageCache::getSingleAllocationByteLimit() const { |
| 632 | return fSingleAllocationByteLimit; |
| 633 | } |
| 634 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 635 | /////////////////////////////////////////////////////////////////////////////// |
| 636 | |
| 637 | #include "SkThread.h" |
| 638 | |
reed@google.com | be19dbe | 2013-07-24 15:06:34 +0000 | [diff] [blame] | 639 | SK_DECLARE_STATIC_MUTEX(gMutex); |
commit-bot@chromium.org | 709ca75 | 2014-01-24 22:38:39 +0000 | [diff] [blame] | 640 | static SkScaledImageCache* gScaledImageCache = NULL; |
mtklein | 77ec7a6 | 2014-06-10 11:13:47 -0700 | [diff] [blame] | 641 | static void cleanup_gScaledImageCache() { |
| 642 | // We'll clean this up in our own tests, but disable for clients. |
| 643 | // Chrome seems to have funky multi-process things going on in unit tests that |
| 644 | // makes this unsafe to delete when the main process atexit()s. |
| 645 | // SkLazyPtr does the same sort of thing. |
| 646 | #if SK_DEVELOPER |
| 647 | SkDELETE(gScaledImageCache); |
| 648 | #endif |
| 649 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 650 | |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 651 | /** Must hold gMutex when calling. */ |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 652 | static SkScaledImageCache* get_cache() { |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 653 | // 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] | 654 | gMutex.assertHeld(); |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 655 | if (NULL == gScaledImageCache) { |
| 656 | #ifdef SK_USE_DISCARDABLE_SCALEDIMAGECACHE |
| 657 | gScaledImageCache = SkNEW_ARGS(SkScaledImageCache, (SkDiscardableMemory::Create)); |
| 658 | #else |
| 659 | gScaledImageCache = SkNEW_ARGS(SkScaledImageCache, (SK_DEFAULT_IMAGE_CACHE_LIMIT)); |
| 660 | #endif |
| 661 | atexit(cleanup_gScaledImageCache); |
| 662 | } |
commit-bot@chromium.org | 709ca75 | 2014-01-24 22:38:39 +0000 | [diff] [blame] | 663 | return gScaledImageCache; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 664 | } |
| 665 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 666 | |
| 667 | SkScaledImageCache::ID* SkScaledImageCache::FindAndLock( |
| 668 | uint32_t pixelGenerationID, |
| 669 | int32_t width, |
| 670 | int32_t height, |
| 671 | SkBitmap* scaled) { |
| 672 | SkAutoMutexAcquire am(gMutex); |
| 673 | return get_cache()->findAndLock(pixelGenerationID, width, height, scaled); |
| 674 | } |
| 675 | |
| 676 | SkScaledImageCache::ID* SkScaledImageCache::AddAndLock( |
| 677 | uint32_t pixelGenerationID, |
| 678 | int32_t width, |
| 679 | int32_t height, |
| 680 | const SkBitmap& scaled) { |
| 681 | SkAutoMutexAcquire am(gMutex); |
| 682 | return get_cache()->addAndLock(pixelGenerationID, width, height, scaled); |
| 683 | } |
| 684 | |
| 685 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 686 | SkScaledImageCache::ID* SkScaledImageCache::FindAndLock(const SkBitmap& orig, |
| 687 | SkScalar scaleX, |
| 688 | SkScalar scaleY, |
| 689 | SkBitmap* scaled) { |
| 690 | SkAutoMutexAcquire am(gMutex); |
| 691 | return get_cache()->findAndLock(orig, scaleX, scaleY, scaled); |
| 692 | } |
| 693 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 694 | SkScaledImageCache::ID* SkScaledImageCache::FindAndLockMip(const SkBitmap& orig, |
| 695 | SkMipMap const ** mip) { |
| 696 | SkAutoMutexAcquire am(gMutex); |
| 697 | return get_cache()->findAndLockMip(orig, mip); |
| 698 | } |
| 699 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 700 | SkScaledImageCache::ID* SkScaledImageCache::AddAndLock(const SkBitmap& orig, |
| 701 | SkScalar scaleX, |
| 702 | SkScalar scaleY, |
| 703 | const SkBitmap& scaled) { |
| 704 | SkAutoMutexAcquire am(gMutex); |
| 705 | return get_cache()->addAndLock(orig, scaleX, scaleY, scaled); |
| 706 | } |
| 707 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 708 | SkScaledImageCache::ID* SkScaledImageCache::AddAndLockMip(const SkBitmap& orig, |
| 709 | const SkMipMap* mip) { |
| 710 | SkAutoMutexAcquire am(gMutex); |
| 711 | return get_cache()->addAndLockMip(orig, mip); |
| 712 | } |
| 713 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 714 | void SkScaledImageCache::Unlock(SkScaledImageCache::ID* id) { |
| 715 | SkAutoMutexAcquire am(gMutex); |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 716 | get_cache()->unlock(id); |
| 717 | |
| 718 | // get_cache()->dump(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 719 | } |
| 720 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 721 | size_t SkScaledImageCache::GetTotalBytesUsed() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 722 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 723 | return get_cache()->getTotalBytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 724 | } |
| 725 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 726 | size_t SkScaledImageCache::GetTotalByteLimit() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 727 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 728 | return get_cache()->getTotalByteLimit(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 729 | } |
| 730 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 731 | size_t SkScaledImageCache::SetTotalByteLimit(size_t newLimit) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 732 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 733 | return get_cache()->setTotalByteLimit(newLimit); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 734 | } |
| 735 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 736 | SkBitmap::Allocator* SkScaledImageCache::GetAllocator() { |
| 737 | SkAutoMutexAcquire am(gMutex); |
| 738 | return get_cache()->allocator(); |
| 739 | } |
| 740 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 741 | void SkScaledImageCache::Dump() { |
| 742 | SkAutoMutexAcquire am(gMutex); |
| 743 | get_cache()->dump(); |
| 744 | } |
| 745 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 746 | size_t SkScaledImageCache::SetSingleAllocationByteLimit(size_t size) { |
| 747 | SkAutoMutexAcquire am(gMutex); |
| 748 | return get_cache()->setSingleAllocationByteLimit(size); |
| 749 | } |
| 750 | |
| 751 | size_t SkScaledImageCache::GetSingleAllocationByteLimit() { |
| 752 | SkAutoMutexAcquire am(gMutex); |
| 753 | return get_cache()->getSingleAllocationByteLimit(); |
| 754 | } |
| 755 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 756 | /////////////////////////////////////////////////////////////////////////////// |
| 757 | |
| 758 | #include "SkGraphics.h" |
| 759 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 760 | size_t SkGraphics::GetImageCacheTotalBytesUsed() { |
| 761 | return SkScaledImageCache::GetTotalBytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 762 | } |
| 763 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 764 | size_t SkGraphics::GetImageCacheTotalByteLimit() { |
| 765 | return SkScaledImageCache::GetTotalByteLimit(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 766 | } |
| 767 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 768 | size_t SkGraphics::SetImageCacheTotalByteLimit(size_t newLimit) { |
| 769 | return SkScaledImageCache::SetTotalByteLimit(newLimit); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 770 | } |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 771 | |
| 772 | size_t SkGraphics::GetImageCacheSingleAllocationByteLimit() { |
| 773 | return SkScaledImageCache::GetSingleAllocationByteLimit(); |
| 774 | } |
| 775 | |
| 776 | size_t SkGraphics::SetImageCacheSingleAllocationByteLimit(size_t newLimit) { |
| 777 | return SkScaledImageCache::SetSingleAllocationByteLimit(newLimit); |
| 778 | } |
| 779 | |