Add skia to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 83 insertions, 0 deletions

diff --git a/skia/images/SkImageRef_GlobalPool.cpp b/skia/images/SkImageRef_GlobalPool.cpp
new file mode 100644
index 0000000..1f0bc43
--- /dev/null
+++ b/skia/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();
+}
+