grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/images/SkImageRef_GlobalPool.cpp b/src/images/SkImageRef_GlobalPool.cpp
new file mode 100644
index 0000000..1f0bc43
--- /dev/null
+++ b/src/images/SkImageRef_GlobalPool.cpp
@@ -0,0 +1,83 @@
+#include "SkImageRef_GlobalPool.h"
+#include "SkImageRefPool.h"
+#include "SkThread.h"
+
+extern SkMutex gImageRefMutex;
+
+static SkImageRefPool gGlobalImageRefPool;
+
+SkImageRef_GlobalPool::SkImageRef_GlobalPool(SkStream* stream,
+ SkBitmap::Config config,
+ int sampleSize)
+ : SkImageRef(stream, config, sampleSize) {
+ this->mutex()->acquire();
+ gGlobalImageRefPool.addToHead(this);
+ this->mutex()->release();
+}
+
+SkImageRef_GlobalPool::~SkImageRef_GlobalPool() {
+ this->mutex()->acquire();
+ gGlobalImageRefPool.detach(this);
+ this->mutex()->release();
+}
+
+bool SkImageRef_GlobalPool::onDecode(SkImageDecoder* codec, SkStream* stream,
+ SkBitmap* bitmap, SkBitmap::Config config,
+ SkImageDecoder::Mode mode) {
+ if (!this->INHERITED::onDecode(codec, stream, bitmap, config, mode)) {
+ return false;
+ }
+ if (mode == SkImageDecoder::kDecodePixels_Mode) {
+ gGlobalImageRefPool.justAddedPixels(this);
+ }
+ return true;
+}
+
+void SkImageRef_GlobalPool::onUnlockPixels() {
+ this->INHERITED::onUnlockPixels();
+
+ gGlobalImageRefPool.canLosePixels(this);
+}
+
+SkImageRef_GlobalPool::SkImageRef_GlobalPool(SkFlattenableReadBuffer& buffer)
+ : INHERITED(buffer) {
+ this->mutex()->acquire();
+ gGlobalImageRefPool.addToHead(this);
+ this->mutex()->release();
+}
+
+SkPixelRef* SkImageRef_GlobalPool::Create(SkFlattenableReadBuffer& buffer) {
+ return SkNEW_ARGS(SkImageRef_GlobalPool, (buffer));
+}
+
+static SkPixelRef::Registrar::Registrar reg("SkImageRef_GlobalPool",
+ SkImageRef_GlobalPool::Create);
+
+///////////////////////////////////////////////////////////////////////////////
+// global imagerefpool wrappers
+
+size_t SkImageRef_GlobalPool::GetRAMBudget() {
+ SkAutoMutexAcquire ac(gImageRefMutex);
+ return gGlobalImageRefPool.getRAMBudget();
+}
+
+void SkImageRef_GlobalPool::SetRAMBudget(size_t size) {
+ SkAutoMutexAcquire ac(gImageRefMutex);
+ gGlobalImageRefPool.setRAMBudget(size);
+}
+
+size_t SkImageRef_GlobalPool::GetRAMUsed() {
+ SkAutoMutexAcquire ac(gImageRefMutex);
+ return gGlobalImageRefPool.getRAMUsed();
+}
+
+void SkImageRef_GlobalPool::SetRAMUsed(size_t usage) {
+ SkAutoMutexAcquire ac(gImageRefMutex);
+ gGlobalImageRefPool.setRAMUsed(usage);
+}
+
+void SkImageRef_GlobalPool::DumpPool() {
+ SkAutoMutexAcquire ac(gImageRefMutex);
+ gGlobalImageRefPool.dump();
+}
+