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 | |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 33 | struct SkScaledImageCache::Key { |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 34 | Key(uint32_t genID, |
| 35 | SkScalar scaleX, |
| 36 | SkScalar scaleY, |
| 37 | SkIRect bounds) |
| 38 | : fGenID(genID) |
| 39 | , fScaleX(scaleX) |
| 40 | , fScaleY(scaleY) |
| 41 | , fBounds(bounds) { |
mtklein | 67a3271 | 2014-07-10 06:03:46 -0700 | [diff] [blame] | 42 | fHash = SkChecksum::Murmur3(&fGenID, 28); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 43 | } |
| 44 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 45 | bool operator<(const Key& other) const { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 46 | const uint32_t* a = &fGenID; |
| 47 | const uint32_t* b = &other.fGenID; |
| 48 | for (int i = 0; i < 7; ++i) { |
| 49 | if (a[i] < b[i]) { |
| 50 | return true; |
| 51 | } |
| 52 | if (a[i] > b[i]) { |
| 53 | return false; |
| 54 | } |
| 55 | } |
| 56 | return false; |
| 57 | } |
| 58 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 59 | bool operator==(const Key& other) const { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 60 | const uint32_t* a = &fHash; |
| 61 | const uint32_t* b = &other.fHash; |
| 62 | for (int i = 0; i < 8; ++i) { |
| 63 | if (a[i] != b[i]) { |
| 64 | return false; |
| 65 | } |
| 66 | } |
| 67 | return true; |
| 68 | } |
| 69 | |
| 70 | uint32_t fHash; |
| 71 | uint32_t fGenID; |
| 72 | float fScaleX; |
| 73 | float fScaleY; |
| 74 | SkIRect fBounds; |
| 75 | }; |
| 76 | |
| 77 | struct SkScaledImageCache::Rec { |
| 78 | Rec(const Key& key, const SkBitmap& bm) : fKey(key), fBitmap(bm) { |
| 79 | fLockCount = 1; |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 80 | fMip = NULL; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 81 | } |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 82 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 83 | Rec(const Key& key, const SkMipMap* mip) : fKey(key) { |
| 84 | fLockCount = 1; |
| 85 | fMip = mip; |
| 86 | mip->ref(); |
| 87 | } |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 88 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 89 | ~Rec() { |
| 90 | SkSafeUnref(fMip); |
| 91 | } |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 92 | |
commit-bot@chromium.org | 55bd940 | 2014-04-02 19:17:00 +0000 | [diff] [blame] | 93 | static const Key& GetKey(const Rec& rec) { return rec.fKey; } |
| 94 | static uint32_t Hash(const Key& key) { return key.fHash; } |
| 95 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 96 | size_t bytesUsed() const { |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 97 | return fMip ? fMip->getSize() : fBitmap.getSize(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | Rec* fNext; |
| 101 | Rec* fPrev; |
| 102 | |
| 103 | // this guy wants to be 64bit aligned |
| 104 | Key fKey; |
| 105 | |
| 106 | int32_t fLockCount; |
skia.committer@gmail.com | 5c561cb | 2013-07-25 07:01:00 +0000 | [diff] [blame] | 107 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 108 | // we use either fBitmap or fMip, but not both |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 109 | SkBitmap fBitmap; |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 110 | const SkMipMap* fMip; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 111 | }; |
| 112 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 113 | #include "SkTDynamicHash.h" |
| 114 | |
commit-bot@chromium.org | 55bd940 | 2014-04-02 19:17:00 +0000 | [diff] [blame] | 115 | class SkScaledImageCache::Hash : |
| 116 | public SkTDynamicHash<SkScaledImageCache::Rec, SkScaledImageCache::Key> {}; |
commit-bot@chromium.org | 158f646 | 2014-04-02 17:03:09 +0000 | [diff] [blame] | 117 | |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 118 | |
| 119 | /////////////////////////////////////////////////////////////////////////////// |
| 120 | |
reed@google.com | b8d17fe | 2013-07-25 17:42:24 +0000 | [diff] [blame] | 121 | // experimental hash to speed things up |
reed@google.com | ea348cb | 2013-07-25 17:50:37 +0000 | [diff] [blame] | 122 | #define USE_HASH |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 123 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 124 | #if !defined(USE_HASH) |
| 125 | static inline SkScaledImageCache::Rec* find_rec_in_list( |
| 126 | SkScaledImageCache::Rec* head, const Key & key) { |
| 127 | SkScaledImageCache::Rec* rec = head; |
| 128 | while ((rec != NULL) && (rec->fKey != key)) { |
| 129 | rec = rec->fNext; |
| 130 | } |
| 131 | return rec; |
| 132 | } |
| 133 | #endif |
| 134 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 135 | void SkScaledImageCache::init() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 136 | fHead = NULL; |
| 137 | fTail = NULL; |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 138 | #ifdef USE_HASH |
| 139 | fHash = new Hash; |
| 140 | #else |
| 141 | fHash = NULL; |
| 142 | #endif |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 143 | fTotalBytesUsed = 0; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 144 | fCount = 0; |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 145 | fSingleAllocationByteLimit = 0; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 146 | fAllocator = NULL; |
| 147 | |
| 148 | // One of these should be explicit set by the caller after we return. |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 149 | fTotalByteLimit = 0; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 150 | fDiscardableFactory = NULL; |
| 151 | } |
| 152 | |
| 153 | #include "SkDiscardableMemory.h" |
| 154 | |
| 155 | class SkOneShotDiscardablePixelRef : public SkPixelRef { |
| 156 | public: |
commit-bot@chromium.org | 227c246 | 2014-01-24 18:33:07 +0000 | [diff] [blame] | 157 | SK_DECLARE_INST_COUNT(SkOneShotDiscardablePixelRef) |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 158 | // Ownership of the discardablememory is transfered to the pixelref |
| 159 | SkOneShotDiscardablePixelRef(const SkImageInfo&, SkDiscardableMemory*, size_t rowBytes); |
| 160 | ~SkOneShotDiscardablePixelRef(); |
| 161 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 162 | protected: |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 163 | virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 164 | virtual void onUnlockPixels() SK_OVERRIDE; |
| 165 | virtual size_t getAllocatedSizeInBytes() const SK_OVERRIDE; |
| 166 | |
| 167 | private: |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 168 | SkDiscardableMemory* fDM; |
| 169 | size_t fRB; |
| 170 | bool fFirstTime; |
| 171 | |
| 172 | typedef SkPixelRef INHERITED; |
| 173 | }; |
| 174 | |
| 175 | SkOneShotDiscardablePixelRef::SkOneShotDiscardablePixelRef(const SkImageInfo& info, |
| 176 | SkDiscardableMemory* dm, |
| 177 | size_t rowBytes) |
| 178 | : INHERITED(info) |
| 179 | , fDM(dm) |
| 180 | , fRB(rowBytes) |
| 181 | { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 182 | SkASSERT(dm->data()); |
| 183 | fFirstTime = true; |
| 184 | } |
| 185 | |
| 186 | SkOneShotDiscardablePixelRef::~SkOneShotDiscardablePixelRef() { |
| 187 | SkDELETE(fDM); |
| 188 | } |
| 189 | |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 190 | bool SkOneShotDiscardablePixelRef::onNewLockPixels(LockRec* rec) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 191 | if (fFirstTime) { |
| 192 | // we're already locked |
reed@google.com | c83a91f | 2013-12-13 13:41:14 +0000 | [diff] [blame] | 193 | SkASSERT(fDM->data()); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 194 | fFirstTime = false; |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 195 | goto SUCCESS; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 196 | } |
commit-bot@chromium.org | 281713e | 2013-12-12 18:08:08 +0000 | [diff] [blame] | 197 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 198 | // A previous call to onUnlock may have deleted our DM, so check for that |
| 199 | if (NULL == fDM) { |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 200 | return false; |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | if (!fDM->lock()) { |
| 204 | // since it failed, we delete it now, to free-up the resource |
| 205 | delete fDM; |
| 206 | fDM = NULL; |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 207 | return false; |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 208 | } |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 209 | |
| 210 | SUCCESS: |
| 211 | rec->fPixels = fDM->data(); |
| 212 | rec->fColorTable = NULL; |
| 213 | rec->fRowBytes = fRB; |
| 214 | return true; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | void SkOneShotDiscardablePixelRef::onUnlockPixels() { |
| 218 | SkASSERT(!fFirstTime); |
reed@google.com | c83a91f | 2013-12-13 13:41:14 +0000 | [diff] [blame] | 219 | fDM->unlock(); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | size_t SkOneShotDiscardablePixelRef::getAllocatedSizeInBytes() const { |
reed@google.com | d0419b1 | 2014-01-06 17:08:27 +0000 | [diff] [blame] | 223 | return this->info().getSafeSize(fRB); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | class SkScaledImageCacheDiscardableAllocator : public SkBitmap::Allocator { |
| 227 | public: |
| 228 | SkScaledImageCacheDiscardableAllocator( |
| 229 | SkScaledImageCache::DiscardableFactory factory) { |
| 230 | SkASSERT(factory); |
| 231 | fFactory = factory; |
| 232 | } |
| 233 | |
| 234 | virtual bool allocPixelRef(SkBitmap*, SkColorTable*) SK_OVERRIDE; |
skia.committer@gmail.com | cf0803b | 2013-12-10 07:02:03 +0000 | [diff] [blame] | 235 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 236 | private: |
| 237 | SkScaledImageCache::DiscardableFactory fFactory; |
| 238 | }; |
| 239 | |
| 240 | bool SkScaledImageCacheDiscardableAllocator::allocPixelRef(SkBitmap* bitmap, |
| 241 | SkColorTable* ctable) { |
| 242 | size_t size = bitmap->getSize(); |
sugoi | c197c8a | 2014-07-03 10:44:26 -0700 | [diff] [blame] | 243 | uint64_t size64 = bitmap->computeSize64(); |
| 244 | if (0 == size || size64 > (uint64_t)size) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 245 | return false; |
| 246 | } |
| 247 | |
| 248 | SkDiscardableMemory* dm = fFactory(size); |
| 249 | if (NULL == dm) { |
| 250 | return false; |
| 251 | } |
| 252 | |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 253 | // can we relax this? |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 254 | if (kN32_SkColorType != bitmap->colorType()) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 255 | return false; |
| 256 | } |
| 257 | |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 258 | SkImageInfo info = bitmap->info(); |
commit-bot@chromium.org | e13af71 | 2014-01-13 20:39:14 +0000 | [diff] [blame] | 259 | bitmap->setPixelRef(SkNEW_ARGS(SkOneShotDiscardablePixelRef, |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 260 | (info, dm, bitmap->rowBytes())))->unref(); |
| 261 | bitmap->lockPixels(); |
| 262 | return bitmap->readyToDraw(); |
| 263 | } |
| 264 | |
| 265 | SkScaledImageCache::SkScaledImageCache(DiscardableFactory factory) { |
| 266 | this->init(); |
| 267 | fDiscardableFactory = factory; |
| 268 | |
| 269 | fAllocator = SkNEW_ARGS(SkScaledImageCacheDiscardableAllocator, (factory)); |
| 270 | } |
| 271 | |
| 272 | SkScaledImageCache::SkScaledImageCache(size_t byteLimit) { |
| 273 | this->init(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 274 | fTotalByteLimit = byteLimit; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | SkScaledImageCache::~SkScaledImageCache() { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 278 | SkSafeUnref(fAllocator); |
| 279 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 280 | Rec* rec = fHead; |
| 281 | while (rec) { |
| 282 | Rec* next = rec->fNext; |
| 283 | SkDELETE(rec); |
| 284 | rec = next; |
| 285 | } |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 286 | delete fHash; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 287 | } |
| 288 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 289 | //////////////////////////////////////////////////////////////////////////////// |
| 290 | |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 291 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 292 | SkScaledImageCache::Rec* SkScaledImageCache::findAndLock(uint32_t genID, |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 293 | SkScalar scaleX, |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 294 | SkScalar scaleY, |
| 295 | const SkIRect& bounds) { |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 296 | const Key key(genID, scaleX, scaleY, bounds); |
| 297 | return this->findAndLock(key); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | This private method is the fully general record finder. All other |
| 302 | record finders should call this function or the one above. */ |
| 303 | SkScaledImageCache::Rec* SkScaledImageCache::findAndLock(const SkScaledImageCache::Key& key) { |
| 304 | if (key.fBounds.isEmpty()) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 305 | return NULL; |
| 306 | } |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 307 | #ifdef USE_HASH |
| 308 | Rec* rec = fHash->find(key); |
| 309 | #else |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 310 | Rec* rec = find_rec_in_list(fHead, key); |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 311 | #endif |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 312 | if (rec) { |
| 313 | this->moveToHead(rec); // for our LRU |
| 314 | rec->fLockCount += 1; |
| 315 | } |
| 316 | return rec; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 317 | } |
| 318 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 319 | /** |
| 320 | This function finds the bounds of the bitmap *within its pixelRef*. |
| 321 | If the bitmap lacks a pixelRef, it will return an empty rect, since |
| 322 | that doesn't make sense. This may be a useful enough function that |
| 323 | it should be somewhere else (in SkBitmap?). */ |
| 324 | static SkIRect get_bounds_from_bitmap(const SkBitmap& bm) { |
| 325 | if (!(bm.pixelRef())) { |
| 326 | return SkIRect::MakeEmpty(); |
| 327 | } |
reed@google.com | 672588b | 2014-01-08 15:42:01 +0000 | [diff] [blame] | 328 | SkIPoint origin = bm.pixelRefOrigin(); |
| 329 | 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] | 330 | } |
| 331 | |
| 332 | |
| 333 | SkScaledImageCache::ID* SkScaledImageCache::findAndLock(uint32_t genID, |
| 334 | int32_t width, |
| 335 | int32_t height, |
| 336 | SkBitmap* bitmap) { |
| 337 | Rec* rec = this->findAndLock(genID, SK_Scalar1, SK_Scalar1, |
| 338 | SkIRect::MakeWH(width, height)); |
| 339 | if (rec) { |
| 340 | SkASSERT(NULL == rec->fMip); |
| 341 | SkASSERT(rec->fBitmap.pixelRef()); |
| 342 | *bitmap = rec->fBitmap; |
| 343 | } |
| 344 | return rec_to_id(rec); |
| 345 | } |
| 346 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 347 | SkScaledImageCache::ID* SkScaledImageCache::findAndLock(const SkBitmap& orig, |
| 348 | SkScalar scaleX, |
| 349 | SkScalar scaleY, |
| 350 | SkBitmap* scaled) { |
| 351 | if (0 == scaleX || 0 == scaleY) { |
| 352 | // degenerate, and the key we use for mipmaps |
| 353 | return NULL; |
| 354 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 355 | Rec* rec = this->findAndLock(orig.getGenerationID(), scaleX, |
| 356 | scaleY, get_bounds_from_bitmap(orig)); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 357 | if (rec) { |
| 358 | SkASSERT(NULL == rec->fMip); |
| 359 | SkASSERT(rec->fBitmap.pixelRef()); |
| 360 | *scaled = rec->fBitmap; |
| 361 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 362 | return rec_to_id(rec); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | SkScaledImageCache::ID* SkScaledImageCache::findAndLockMip(const SkBitmap& orig, |
| 366 | SkMipMap const ** mip) { |
skia.committer@gmail.com | b77f0f4 | 2013-10-30 07:01:56 +0000 | [diff] [blame] | 367 | Rec* rec = this->findAndLock(orig.getGenerationID(), 0, 0, |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 368 | get_bounds_from_bitmap(orig)); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 369 | if (rec) { |
| 370 | SkASSERT(rec->fMip); |
| 371 | SkASSERT(NULL == rec->fBitmap.pixelRef()); |
| 372 | *mip = rec->fMip; |
| 373 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 374 | return rec_to_id(rec); |
| 375 | } |
| 376 | |
| 377 | |
| 378 | //////////////////////////////////////////////////////////////////////////////// |
| 379 | /** |
| 380 | This private method is the fully general record adder. All other |
| 381 | record adders should call this funtion. */ |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 382 | SkScaledImageCache::ID* SkScaledImageCache::addAndLock(SkScaledImageCache::Rec* rec) { |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 383 | SkASSERT(rec); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 384 | // See if we already have this key (racy inserts, etc.) |
| 385 | Rec* existing = this->findAndLock(rec->fKey); |
robertphillips@google.com | 5db04df | 2013-12-18 18:48:08 +0000 | [diff] [blame] | 386 | if (NULL != existing) { |
| 387 | // Since we already have a matching entry, just delete the new one and return. |
| 388 | // 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] | 389 | existing->fBitmap = rec->fBitmap; |
robertphillips@google.com | 5db04df | 2013-12-18 18:48:08 +0000 | [diff] [blame] | 390 | SkDELETE(rec); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 391 | return rec_to_id(existing); |
| 392 | } |
| 393 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 394 | this->addToHead(rec); |
| 395 | SkASSERT(1 == rec->fLockCount); |
| 396 | #ifdef USE_HASH |
| 397 | SkASSERT(fHash); |
| 398 | fHash->add(rec); |
| 399 | #endif |
| 400 | // We may (now) be overbudget, so see if we need to purge something. |
| 401 | this->purgeAsNeeded(); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 402 | return rec_to_id(rec); |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | SkScaledImageCache::ID* SkScaledImageCache::addAndLock(uint32_t genID, |
| 406 | int32_t width, |
| 407 | int32_t height, |
| 408 | const SkBitmap& bitmap) { |
| 409 | Key key(genID, SK_Scalar1, SK_Scalar1, SkIRect::MakeWH(width, height)); |
| 410 | Rec* rec = SkNEW_ARGS(Rec, (key, bitmap)); |
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 | } |
| 413 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 414 | SkScaledImageCache::ID* SkScaledImageCache::addAndLock(const SkBitmap& orig, |
| 415 | SkScalar scaleX, |
| 416 | SkScalar scaleY, |
| 417 | const SkBitmap& scaled) { |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 418 | if (0 == scaleX || 0 == scaleY) { |
| 419 | // degenerate, and the key we use for mipmaps |
| 420 | return NULL; |
| 421 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 422 | SkIRect bounds = get_bounds_from_bitmap(orig); |
| 423 | if (bounds.isEmpty()) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 424 | return NULL; |
| 425 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 426 | Key key(orig.getGenerationID(), scaleX, scaleY, bounds); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 427 | Rec* rec = SkNEW_ARGS(Rec, (key, scaled)); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 428 | return this->addAndLock(rec); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 429 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 430 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 431 | SkScaledImageCache::ID* SkScaledImageCache::addAndLockMip(const SkBitmap& orig, |
| 432 | const SkMipMap* mip) { |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 433 | SkIRect bounds = get_bounds_from_bitmap(orig); |
| 434 | if (bounds.isEmpty()) { |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 435 | return NULL; |
| 436 | } |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 437 | Key key(orig.getGenerationID(), 0, 0, bounds); |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 438 | Rec* rec = SkNEW_ARGS(Rec, (key, mip)); |
rmistry@google.com | d6bab02 | 2013-12-02 13:50:38 +0000 | [diff] [blame] | 439 | return this->addAndLock(rec); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 440 | } |
| 441 | |
| 442 | void SkScaledImageCache::unlock(SkScaledImageCache::ID* id) { |
| 443 | SkASSERT(id); |
| 444 | |
| 445 | #ifdef SK_DEBUG |
| 446 | { |
| 447 | bool found = false; |
| 448 | Rec* rec = fHead; |
| 449 | while (rec != NULL) { |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 450 | if (rec == id_to_rec(id)) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 451 | found = true; |
| 452 | break; |
| 453 | } |
| 454 | rec = rec->fNext; |
| 455 | } |
| 456 | SkASSERT(found); |
| 457 | } |
| 458 | #endif |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 459 | Rec* rec = id_to_rec(id); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 460 | SkASSERT(rec->fLockCount > 0); |
| 461 | rec->fLockCount -= 1; |
| 462 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 463 | // we may have been over-budget, but now have released something, so check |
| 464 | // if we should purge. |
| 465 | if (0 == rec->fLockCount) { |
| 466 | this->purgeAsNeeded(); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | void SkScaledImageCache::purgeAsNeeded() { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 471 | size_t byteLimit; |
| 472 | int countLimit; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 473 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 474 | if (fDiscardableFactory) { |
| 475 | countLimit = SK_DISCARDABLEMEMORY_SCALEDIMAGECACHE_COUNT_LIMIT; |
| 476 | byteLimit = SK_MaxU32; // no limit based on bytes |
| 477 | } else { |
| 478 | countLimit = SK_MaxS32; // no limit based on count |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 479 | byteLimit = fTotalByteLimit; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 480 | } |
| 481 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 482 | size_t bytesUsed = fTotalBytesUsed; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 483 | int countUsed = fCount; |
skia.committer@gmail.com | cf0803b | 2013-12-10 07:02:03 +0000 | [diff] [blame] | 484 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 485 | Rec* rec = fTail; |
| 486 | while (rec) { |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 487 | if (bytesUsed < byteLimit && countUsed < countLimit) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 488 | break; |
| 489 | } |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 490 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 491 | Rec* prev = rec->fPrev; |
| 492 | if (0 == rec->fLockCount) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 493 | size_t used = rec->bytesUsed(); |
| 494 | SkASSERT(used <= bytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 495 | this->detach(rec); |
reed@google.com | 5d1e558 | 2013-07-25 14:36:15 +0000 | [diff] [blame] | 496 | #ifdef USE_HASH |
| 497 | fHash->remove(rec->fKey); |
| 498 | #endif |
skia.committer@gmail.com | 956b310 | 2013-07-26 07:00:58 +0000 | [diff] [blame] | 499 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 500 | SkDELETE(rec); |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 501 | |
| 502 | bytesUsed -= used; |
| 503 | countUsed -= 1; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 504 | } |
| 505 | rec = prev; |
| 506 | } |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 507 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 508 | fTotalBytesUsed = bytesUsed; |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 509 | fCount = countUsed; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 510 | } |
| 511 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 512 | size_t SkScaledImageCache::setTotalByteLimit(size_t newLimit) { |
| 513 | size_t prevLimit = fTotalByteLimit; |
| 514 | fTotalByteLimit = newLimit; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 515 | if (newLimit < prevLimit) { |
| 516 | this->purgeAsNeeded(); |
| 517 | } |
| 518 | return prevLimit; |
| 519 | } |
| 520 | |
| 521 | /////////////////////////////////////////////////////////////////////////////// |
| 522 | |
| 523 | void SkScaledImageCache::detach(Rec* rec) { |
| 524 | Rec* prev = rec->fPrev; |
| 525 | Rec* next = rec->fNext; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 526 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 527 | if (!prev) { |
| 528 | SkASSERT(fHead == rec); |
| 529 | fHead = next; |
| 530 | } else { |
| 531 | prev->fNext = next; |
| 532 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 533 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 534 | if (!next) { |
| 535 | fTail = prev; |
| 536 | } else { |
| 537 | next->fPrev = prev; |
| 538 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 539 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 540 | rec->fNext = rec->fPrev = NULL; |
| 541 | } |
| 542 | |
| 543 | void SkScaledImageCache::moveToHead(Rec* rec) { |
| 544 | if (fHead == rec) { |
| 545 | return; |
| 546 | } |
| 547 | |
| 548 | SkASSERT(fHead); |
| 549 | SkASSERT(fTail); |
| 550 | |
| 551 | this->validate(); |
| 552 | |
| 553 | this->detach(rec); |
| 554 | |
| 555 | fHead->fPrev = rec; |
| 556 | rec->fNext = fHead; |
| 557 | fHead = rec; |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 558 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 559 | this->validate(); |
| 560 | } |
| 561 | |
| 562 | void SkScaledImageCache::addToHead(Rec* rec) { |
| 563 | this->validate(); |
| 564 | |
| 565 | rec->fPrev = NULL; |
| 566 | rec->fNext = fHead; |
| 567 | if (fHead) { |
| 568 | fHead->fPrev = rec; |
| 569 | } |
| 570 | fHead = rec; |
| 571 | if (!fTail) { |
| 572 | fTail = rec; |
| 573 | } |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 574 | fTotalBytesUsed += rec->bytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 575 | fCount += 1; |
| 576 | |
| 577 | this->validate(); |
| 578 | } |
| 579 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 580 | /////////////////////////////////////////////////////////////////////////////// |
| 581 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 582 | #ifdef SK_DEBUG |
| 583 | void SkScaledImageCache::validate() const { |
| 584 | if (NULL == fHead) { |
| 585 | SkASSERT(NULL == fTail); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 586 | SkASSERT(0 == fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 587 | return; |
| 588 | } |
| 589 | |
| 590 | if (fHead == fTail) { |
| 591 | SkASSERT(NULL == fHead->fPrev); |
| 592 | SkASSERT(NULL == fHead->fNext); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 593 | SkASSERT(fHead->bytesUsed() == fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 594 | return; |
| 595 | } |
| 596 | |
| 597 | SkASSERT(NULL == fHead->fPrev); |
| 598 | SkASSERT(NULL != fHead->fNext); |
| 599 | SkASSERT(NULL == fTail->fNext); |
| 600 | SkASSERT(NULL != fTail->fPrev); |
| 601 | |
| 602 | size_t used = 0; |
| 603 | int count = 0; |
| 604 | const Rec* rec = fHead; |
| 605 | while (rec) { |
| 606 | count += 1; |
| 607 | used += rec->bytesUsed(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 608 | SkASSERT(used <= fTotalBytesUsed); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 609 | rec = rec->fNext; |
| 610 | } |
| 611 | SkASSERT(fCount == count); |
| 612 | |
| 613 | rec = fTail; |
| 614 | while (rec) { |
| 615 | SkASSERT(count > 0); |
| 616 | count -= 1; |
| 617 | SkASSERT(used >= rec->bytesUsed()); |
| 618 | used -= rec->bytesUsed(); |
| 619 | rec = rec->fPrev; |
| 620 | } |
skia.committer@gmail.com | 7f1af50 | 2013-07-24 07:01:12 +0000 | [diff] [blame] | 621 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 622 | SkASSERT(0 == count); |
| 623 | SkASSERT(0 == used); |
| 624 | } |
| 625 | #endif |
| 626 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 627 | void SkScaledImageCache::dump() const { |
| 628 | this->validate(); |
| 629 | |
| 630 | const Rec* rec = fHead; |
| 631 | int locked = 0; |
| 632 | while (rec) { |
| 633 | locked += rec->fLockCount > 0; |
| 634 | rec = rec->fNext; |
| 635 | } |
| 636 | |
| 637 | SkDebugf("SkScaledImageCache: count=%d bytes=%d locked=%d %s\n", |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 638 | fCount, fTotalBytesUsed, locked, |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 639 | fDiscardableFactory ? "discardable" : "malloc"); |
| 640 | } |
| 641 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 642 | size_t SkScaledImageCache::setSingleAllocationByteLimit(size_t newLimit) { |
| 643 | size_t oldLimit = fSingleAllocationByteLimit; |
| 644 | fSingleAllocationByteLimit = newLimit; |
| 645 | return oldLimit; |
| 646 | } |
| 647 | |
| 648 | size_t SkScaledImageCache::getSingleAllocationByteLimit() const { |
| 649 | return fSingleAllocationByteLimit; |
| 650 | } |
| 651 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 652 | /////////////////////////////////////////////////////////////////////////////// |
| 653 | |
| 654 | #include "SkThread.h" |
| 655 | |
reed@google.com | be19dbe | 2013-07-24 15:06:34 +0000 | [diff] [blame] | 656 | SK_DECLARE_STATIC_MUTEX(gMutex); |
commit-bot@chromium.org | 709ca75 | 2014-01-24 22:38:39 +0000 | [diff] [blame] | 657 | static SkScaledImageCache* gScaledImageCache = NULL; |
mtklein | 77ec7a6 | 2014-06-10 11:13:47 -0700 | [diff] [blame] | 658 | static void cleanup_gScaledImageCache() { |
| 659 | // We'll clean this up in our own tests, but disable for clients. |
| 660 | // Chrome seems to have funky multi-process things going on in unit tests that |
| 661 | // makes this unsafe to delete when the main process atexit()s. |
| 662 | // SkLazyPtr does the same sort of thing. |
| 663 | #if SK_DEVELOPER |
| 664 | SkDELETE(gScaledImageCache); |
| 665 | #endif |
| 666 | } |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 667 | |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 668 | /** Must hold gMutex when calling. */ |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 669 | static SkScaledImageCache* get_cache() { |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 670 | // 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] | 671 | gMutex.assertHeld(); |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 672 | if (NULL == gScaledImageCache) { |
| 673 | #ifdef SK_USE_DISCARDABLE_SCALEDIMAGECACHE |
| 674 | gScaledImageCache = SkNEW_ARGS(SkScaledImageCache, (SkDiscardableMemory::Create)); |
| 675 | #else |
| 676 | gScaledImageCache = SkNEW_ARGS(SkScaledImageCache, (SK_DEFAULT_IMAGE_CACHE_LIMIT)); |
| 677 | #endif |
| 678 | atexit(cleanup_gScaledImageCache); |
| 679 | } |
commit-bot@chromium.org | 709ca75 | 2014-01-24 22:38:39 +0000 | [diff] [blame] | 680 | return gScaledImageCache; |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 681 | } |
| 682 | |
commit-bot@chromium.org | 7585479 | 2013-10-29 19:55:00 +0000 | [diff] [blame] | 683 | |
| 684 | SkScaledImageCache::ID* SkScaledImageCache::FindAndLock( |
| 685 | uint32_t pixelGenerationID, |
| 686 | int32_t width, |
| 687 | int32_t height, |
| 688 | SkBitmap* scaled) { |
| 689 | SkAutoMutexAcquire am(gMutex); |
| 690 | return get_cache()->findAndLock(pixelGenerationID, width, height, scaled); |
| 691 | } |
| 692 | |
| 693 | SkScaledImageCache::ID* SkScaledImageCache::AddAndLock( |
| 694 | uint32_t pixelGenerationID, |
| 695 | int32_t width, |
| 696 | int32_t height, |
| 697 | const SkBitmap& scaled) { |
| 698 | SkAutoMutexAcquire am(gMutex); |
| 699 | return get_cache()->addAndLock(pixelGenerationID, width, height, scaled); |
| 700 | } |
| 701 | |
| 702 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 703 | SkScaledImageCache::ID* SkScaledImageCache::FindAndLock(const SkBitmap& orig, |
| 704 | SkScalar scaleX, |
| 705 | SkScalar scaleY, |
| 706 | SkBitmap* scaled) { |
| 707 | SkAutoMutexAcquire am(gMutex); |
| 708 | return get_cache()->findAndLock(orig, scaleX, scaleY, scaled); |
| 709 | } |
| 710 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 711 | SkScaledImageCache::ID* SkScaledImageCache::FindAndLockMip(const SkBitmap& orig, |
| 712 | SkMipMap const ** mip) { |
| 713 | SkAutoMutexAcquire am(gMutex); |
| 714 | return get_cache()->findAndLockMip(orig, mip); |
| 715 | } |
| 716 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 717 | SkScaledImageCache::ID* SkScaledImageCache::AddAndLock(const SkBitmap& orig, |
| 718 | SkScalar scaleX, |
| 719 | SkScalar scaleY, |
| 720 | const SkBitmap& scaled) { |
| 721 | SkAutoMutexAcquire am(gMutex); |
| 722 | return get_cache()->addAndLock(orig, scaleX, scaleY, scaled); |
| 723 | } |
| 724 | |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 725 | SkScaledImageCache::ID* SkScaledImageCache::AddAndLockMip(const SkBitmap& orig, |
| 726 | const SkMipMap* mip) { |
| 727 | SkAutoMutexAcquire am(gMutex); |
| 728 | return get_cache()->addAndLockMip(orig, mip); |
| 729 | } |
| 730 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 731 | void SkScaledImageCache::Unlock(SkScaledImageCache::ID* id) { |
| 732 | SkAutoMutexAcquire am(gMutex); |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 733 | get_cache()->unlock(id); |
| 734 | |
| 735 | // get_cache()->dump(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 736 | } |
| 737 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 738 | size_t SkScaledImageCache::GetTotalBytesUsed() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 739 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 740 | return get_cache()->getTotalBytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 741 | } |
| 742 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 743 | size_t SkScaledImageCache::GetTotalByteLimit() { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 744 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 745 | return get_cache()->getTotalByteLimit(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 746 | } |
| 747 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 748 | size_t SkScaledImageCache::SetTotalByteLimit(size_t newLimit) { |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 749 | SkAutoMutexAcquire am(gMutex); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 750 | return get_cache()->setTotalByteLimit(newLimit); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 751 | } |
| 752 | |
reed@google.com | e4eb122 | 2013-12-09 22:29:30 +0000 | [diff] [blame] | 753 | SkBitmap::Allocator* SkScaledImageCache::GetAllocator() { |
| 754 | SkAutoMutexAcquire am(gMutex); |
| 755 | return get_cache()->allocator(); |
| 756 | } |
| 757 | |
reed@google.com | fa7fd80 | 2013-12-12 21:37:25 +0000 | [diff] [blame] | 758 | void SkScaledImageCache::Dump() { |
| 759 | SkAutoMutexAcquire am(gMutex); |
| 760 | get_cache()->dump(); |
| 761 | } |
| 762 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 763 | size_t SkScaledImageCache::SetSingleAllocationByteLimit(size_t size) { |
| 764 | SkAutoMutexAcquire am(gMutex); |
| 765 | return get_cache()->setSingleAllocationByteLimit(size); |
| 766 | } |
| 767 | |
| 768 | size_t SkScaledImageCache::GetSingleAllocationByteLimit() { |
| 769 | SkAutoMutexAcquire am(gMutex); |
| 770 | return get_cache()->getSingleAllocationByteLimit(); |
| 771 | } |
| 772 | |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 773 | /////////////////////////////////////////////////////////////////////////////// |
| 774 | |
| 775 | #include "SkGraphics.h" |
| 776 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 777 | size_t SkGraphics::GetImageCacheTotalBytesUsed() { |
| 778 | return SkScaledImageCache::GetTotalBytesUsed(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 779 | } |
| 780 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 781 | size_t SkGraphics::GetImageCacheTotalByteLimit() { |
| 782 | return SkScaledImageCache::GetTotalByteLimit(); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 783 | } |
| 784 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 785 | size_t SkGraphics::SetImageCacheTotalByteLimit(size_t newLimit) { |
| 786 | return SkScaledImageCache::SetTotalByteLimit(newLimit); |
reed@google.com | 602a1d7 | 2013-07-23 19:13:54 +0000 | [diff] [blame] | 787 | } |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame^] | 788 | |
| 789 | size_t SkGraphics::GetImageCacheSingleAllocationByteLimit() { |
| 790 | return SkScaledImageCache::GetSingleAllocationByteLimit(); |
| 791 | } |
| 792 | |
| 793 | size_t SkGraphics::SetImageCacheSingleAllocationByteLimit(size_t newLimit) { |
| 794 | return SkScaledImageCache::SetSingleAllocationByteLimit(newLimit); |
| 795 | } |
| 796 | |