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Unified Diff: src/lazy/SkPurgeableImageCache.cpp

Issue 103033002: Big Cleanup: SkBitmapFactory, SkLazyPixelRef, SkImageCache (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: rebase one last time Created 7 years ago
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Index: src/lazy/SkPurgeableImageCache.cpp
diff --git a/src/lazy/SkPurgeableImageCache.cpp b/src/lazy/SkPurgeableImageCache.cpp
deleted file mode 100644
index 0f2c5e3c8e382f2f8e067ef376edafe555bd02d8..0000000000000000000000000000000000000000
--- a/src/lazy/SkPurgeableImageCache.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkThread.h"
-#include "SkPurgeableImageCache.h"
-#include "SkPurgeableMemoryBlock.h"
-
-#ifdef SK_DEBUG
- #include "SkTSearch.h"
-#endif
-
-SK_DECLARE_STATIC_MUTEX(gPurgeableImageMutex);
-
-SkImageCache* SkPurgeableImageCache::Create() {
- if (!SkPurgeableMemoryBlock::IsSupported()) {
- return NULL;
- }
- SkAutoMutexAcquire ac(&gPurgeableImageMutex);
- static SkPurgeableImageCache gCache;
- gCache.ref();
- return &gCache;
-}
-
-SkPurgeableImageCache::SkPurgeableImageCache() {}
-
-#ifdef SK_DEBUG
-SkPurgeableImageCache::~SkPurgeableImageCache() {
- SkASSERT(fRecs.count() == 0);
-}
-#endif
-
-
-void* SkPurgeableImageCache::allocAndPinCache(size_t bytes, intptr_t* ID) {
- SkAutoMutexAcquire ac(&gPurgeableImageMutex);
-
- SkPurgeableMemoryBlock* block = SkPurgeableMemoryBlock::Create(bytes);
- if (NULL == block) {
- return NULL;
- }
-
- SkPurgeableMemoryBlock::PinResult pinResult;
- void* data = block->pin(&pinResult);
- if (NULL == data) {
- SkDELETE(block);
- return NULL;
- }
-
- SkASSERT(ID != NULL);
- *ID = reinterpret_cast<intptr_t>(block);
-#ifdef SK_DEBUG
- // Insert into the array of all recs:
- int index = this->findRec(*ID);
- SkASSERT(index < 0);
- fRecs.insert(~index, 1, ID);
-#endif
- return data;
-}
-
-void* SkPurgeableImageCache::pinCache(intptr_t ID, SkImageCache::DataStatus* status) {
- SkASSERT(ID != SkImageCache::UNINITIALIZED_ID);
- SkAutoMutexAcquire ac(&gPurgeableImageMutex);
-
- SkASSERT(this->findRec(ID) >= 0);
- SkPurgeableMemoryBlock* block = reinterpret_cast<SkPurgeableMemoryBlock*>(ID);
- SkPurgeableMemoryBlock::PinResult pinResult;
- void* data = block->pin(&pinResult);
- if (NULL == data) {
- this->removeRec(ID);
- return NULL;
- }
-
- switch (pinResult) {
- case SkPurgeableMemoryBlock::kRetained_PinResult:
- *status = SkImageCache::kRetained_DataStatus;
- break;
-
- case SkPurgeableMemoryBlock::kUninitialized_PinResult:
- *status = SkImageCache::kUninitialized_DataStatus;
- break;
-
- default:
- // Invalid value. Treat as a failure to pin.
- SkASSERT(false);
- this->removeRec(ID);
- return NULL;
- }
-
- return data;
-}
-
-void SkPurgeableImageCache::releaseCache(intptr_t ID) {
- SkASSERT(ID != SkImageCache::UNINITIALIZED_ID);
- SkAutoMutexAcquire ac(&gPurgeableImageMutex);
-
- SkASSERT(this->findRec(ID) >= 0);
- SkPurgeableMemoryBlock* block = reinterpret_cast<SkPurgeableMemoryBlock*>(ID);
- block->unpin();
-}
-
-void SkPurgeableImageCache::throwAwayCache(intptr_t ID) {
- SkASSERT(ID != SkImageCache::UNINITIALIZED_ID);
- SkAutoMutexAcquire ac(&gPurgeableImageMutex);
-
- this->removeRec(ID);
-}
-
-#ifdef SK_DEBUG
-SkImageCache::MemoryStatus SkPurgeableImageCache::getMemoryStatus(intptr_t ID) const {
- SkAutoMutexAcquire ac(&gPurgeableImageMutex);
- if (SkImageCache::UNINITIALIZED_ID == ID || this->findRec(ID) < 0) {
- return SkImageCache::kFreed_MemoryStatus;
- }
-
- SkPurgeableMemoryBlock* block = reinterpret_cast<SkPurgeableMemoryBlock*>(ID);
- if (block->isPinned()) {
- return SkImageCache::kPinned_MemoryStatus;
- }
- return SkImageCache::kUnpinned_MemoryStatus;
-}
-
-void SkPurgeableImageCache::purgeAllUnpinnedCaches() {
- SkAutoMutexAcquire ac(&gPurgeableImageMutex);
- if (SkPurgeableMemoryBlock::PlatformSupportsPurgingAllUnpinnedBlocks()) {
- SkPurgeableMemoryBlock::PurgeAllUnpinnedBlocks();
- } else {
- // Go through the blocks, and purge them individually.
- // Rather than deleting the blocks, which would interfere with further calls, purge them
- // and keep them around.
- for (int i = 0; i < fRecs.count(); i++) {
- SkPurgeableMemoryBlock* block = reinterpret_cast<SkPurgeableMemoryBlock*>(fRecs[i]);
- if (!block->isPinned()) {
- if (!block->purge()) {
- // FIXME: This should be more meaningful (which one, etc...)
- SkDebugf("Failed to purge\n");
- }
- }
- }
- }
-}
-
-int SkPurgeableImageCache::findRec(intptr_t rec) const {
- return SkTSearch(fRecs.begin(), fRecs.count(), rec, sizeof(intptr_t));
-}
-#endif
-
-void SkPurgeableImageCache::removeRec(intptr_t ID) {
-#ifdef SK_DEBUG
- int index = this->findRec(ID);
- SkASSERT(index >= 0);
- fRecs.remove(index);
-#endif
- SkPurgeableMemoryBlock* block = reinterpret_cast<SkPurgeableMemoryBlock*>(ID);
- SkASSERT(!block->isPinned());
- SkDELETE(block);
-}
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