reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | #include "SkImageRef_GlobalPool.h" |
| 2 | #include "SkImageRefPool.h" |
| 3 | #include "SkThread.h" |
| 4 | |
| 5 | extern SkMutex gImageRefMutex; |
| 6 | |
| 7 | static SkImageRefPool gGlobalImageRefPool; |
| 8 | |
| 9 | SkImageRef_GlobalPool::SkImageRef_GlobalPool(SkStream* stream, |
| 10 | SkBitmap::Config config, |
| 11 | int sampleSize) |
| 12 | : SkImageRef(stream, config, sampleSize) { |
| 13 | this->mutex()->acquire(); |
| 14 | gGlobalImageRefPool.addToHead(this); |
| 15 | this->mutex()->release(); |
| 16 | } |
| 17 | |
| 18 | SkImageRef_GlobalPool::~SkImageRef_GlobalPool() { |
| 19 | this->mutex()->acquire(); |
| 20 | gGlobalImageRefPool.detach(this); |
| 21 | this->mutex()->release(); |
| 22 | } |
| 23 | |
| 24 | bool SkImageRef_GlobalPool::onDecode(SkImageDecoder* codec, SkStream* stream, |
| 25 | SkBitmap* bitmap, SkBitmap::Config config, |
| 26 | SkImageDecoder::Mode mode) { |
| 27 | if (!this->INHERITED::onDecode(codec, stream, bitmap, config, mode)) { |
| 28 | return false; |
| 29 | } |
| 30 | if (mode == SkImageDecoder::kDecodePixels_Mode) { |
| 31 | gGlobalImageRefPool.justAddedPixels(this); |
| 32 | } |
| 33 | return true; |
| 34 | } |
| 35 | |
| 36 | void SkImageRef_GlobalPool::onUnlockPixels() { |
| 37 | this->INHERITED::onUnlockPixels(); |
| 38 | |
| 39 | gGlobalImageRefPool.canLosePixels(this); |
| 40 | } |
| 41 | |
| 42 | SkImageRef_GlobalPool::SkImageRef_GlobalPool(SkFlattenableReadBuffer& buffer) |
| 43 | : INHERITED(buffer) { |
| 44 | this->mutex()->acquire(); |
| 45 | gGlobalImageRefPool.addToHead(this); |
| 46 | this->mutex()->release(); |
| 47 | } |
| 48 | |
| 49 | SkPixelRef* SkImageRef_GlobalPool::Create(SkFlattenableReadBuffer& buffer) { |
| 50 | return SkNEW_ARGS(SkImageRef_GlobalPool, (buffer)); |
| 51 | } |
| 52 | |
| 53 | static SkPixelRef::Registrar::Registrar reg("SkImageRef_GlobalPool", |
| 54 | SkImageRef_GlobalPool::Create); |
| 55 | |
| 56 | /////////////////////////////////////////////////////////////////////////////// |
| 57 | // global imagerefpool wrappers |
| 58 | |
| 59 | size_t SkImageRef_GlobalPool::GetRAMBudget() { |
| 60 | SkAutoMutexAcquire ac(gImageRefMutex); |
| 61 | return gGlobalImageRefPool.getRAMBudget(); |
| 62 | } |
| 63 | |
| 64 | void SkImageRef_GlobalPool::SetRAMBudget(size_t size) { |
| 65 | SkAutoMutexAcquire ac(gImageRefMutex); |
| 66 | gGlobalImageRefPool.setRAMBudget(size); |
| 67 | } |
| 68 | |
| 69 | size_t SkImageRef_GlobalPool::GetRAMUsed() { |
| 70 | SkAutoMutexAcquire ac(gImageRefMutex); |
| 71 | return gGlobalImageRefPool.getRAMUsed(); |
| 72 | } |
| 73 | |
| 74 | void SkImageRef_GlobalPool::SetRAMUsed(size_t usage) { |
| 75 | SkAutoMutexAcquire ac(gImageRefMutex); |
| 76 | gGlobalImageRefPool.setRAMUsed(usage); |
| 77 | } |
| 78 | |
| 79 | void SkImageRef_GlobalPool::DumpPool() { |
| 80 | SkAutoMutexAcquire ac(gImageRefMutex); |
| 81 | gGlobalImageRefPool.dump(); |
| 82 | } |
| 83 | |