Remove SkImageRef and related functionality.

src/images/SkImageRef_GlobalPool.cpp

-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkImageRef_GlobalPool.h"
-#include "SkImageRefPool.h"
-#include "SkThread.h"
-
-SK_DECLARE_STATIC_MUTEX(gGlobalPoolMutex);
-
-/*
- *  This returns the lazily-allocated global pool. It must be called
- *  from inside the guard mutex, so we safely only ever allocate 1.
- */
-static SkImageRefPool* GetGlobalPool() {
-    static SkImageRefPool* gPool;
-    if (NULL == gPool) {
-        gPool = SkNEW(SkImageRefPool);
-        // call sk_atexit(...) when we have that, to free the global pool
-    }
-    return gPool;
-}
-
-SkImageRef_GlobalPool::SkImageRef_GlobalPool(const SkImageInfo& info,
-                                             SkStreamRewindable* stream,
-                                             int sampleSize)
-        : SkImageRef(info, stream, sampleSize, &gGlobalPoolMutex) {
-    SkASSERT(&gGlobalPoolMutex == this->mutex());
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    GetGlobalPool()->addToHead(this);
-}
-
-SkImageRef_GlobalPool::~SkImageRef_GlobalPool() {
-    SkASSERT(&gGlobalPoolMutex == this->mutex());
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    GetGlobalPool()->detach(this);
-}
-
-/*  By design, onUnlockPixels() already is inside the mutex-lock,
- *  and it is the (indirect) caller of onDecode(), therefore we can assume
- *  that we also are already inside the mutex. Hence, we can reference
- *  the global-pool directly.
- */
-bool SkImageRef_GlobalPool::onDecode(SkImageDecoder* codec, SkStreamRewindable* 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) {
-        // no need to grab the mutex here, it has already been acquired.
-        GetGlobalPool()->justAddedPixels(this);
-    }
-    return true;
-}
-
-void SkImageRef_GlobalPool::onUnlockPixels() {
-    this->INHERITED::onUnlockPixels();
-
-    // by design, onUnlockPixels() already is inside the mutex-lock
-    GetGlobalPool()->canLosePixels(this);
-}
-
-SkImageRef_GlobalPool::SkImageRef_GlobalPool(SkFlattenableReadBuffer& buffer)
-        : INHERITED(buffer, &gGlobalPoolMutex) {
-    SkASSERT(&gGlobalPoolMutex == this->mutex());
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    GetGlobalPool()->addToHead(this);
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// global imagerefpool wrappers
-
-size_t SkImageRef_GlobalPool::GetRAMBudget() {
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    return GetGlobalPool()->getRAMBudget();
-}
-
-void SkImageRef_GlobalPool::SetRAMBudget(size_t size) {
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    GetGlobalPool()->setRAMBudget(size);
-}
-
-size_t SkImageRef_GlobalPool::GetRAMUsed() {
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    return GetGlobalPool()->getRAMUsed();
-}
-
-void SkImageRef_GlobalPool::SetRAMUsed(size_t usage) {
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    GetGlobalPool()->setRAMUsed(usage);
-}
-
-void SkImageRef_GlobalPool::DumpPool() {
-    SkAutoMutexAcquire ac(gGlobalPoolMutex);
-    GetGlobalPool()->dump();
-}