text: /*
   * Copyright 2012 Google Inc.
   *
   * Use of this source code is governed by a BSD-style license that can be
   * found in the LICENSE file.
   */
  
  #include "include/private/SkSpinlock.h"
  #include "src/gpu/GrGeometryProcessor.h"
  #include "src/gpu/GrMemoryPool.h"
  #include "src/gpu/GrProcessor.h"
  #include "src/gpu/GrSamplerState.h"
  #include "src/gpu/GrTextureProxy.h"
  #include "src/gpu/GrXferProcessor.h"
  
  // We use a global pool protected by a mutex(spinlock). Chrome may use the same GrContext on
  // different threads. The GrContext is not used concurrently on different threads and there is a
  // memory barrier between accesses of a context on different threads. Also, there may be multiple
  // GrContexts and those contexts may be in use concurrently on different threads.
  namespace {
  #if !defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
  static SkSpinlock gProcessorSpinlock;
  #endif
  class MemoryPoolAccessor {
  public:
  
  // We know in the Android framework there is only one GrContext.
  #if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
      MemoryPoolAccessor() {}
      ~MemoryPoolAccessor() {}
  #else
      MemoryPoolAccessor() { gProcessorSpinlock.acquire(); }
      ~MemoryPoolAccessor() { gProcessorSpinlock.release(); }
  #endif
  
      GrMemoryPool* pool() const {
          static GrMemoryPool* gPool = GrMemoryPool::Make(4096, 4096).release();
          return gPool;
      }
  };
  }  // namespace
  
  ///////////////////////////////////////////////////////////////////////////////
  
  void* GrProcessor::operator new(size_t size) { return MemoryPoolAccessor().pool()->allocate(size); }
  
  void* GrProcessor::operator new(size_t object_size, size_t footer_size) {
      return MemoryPoolAccessor().pool()->allocate(object_size + footer_size);
  }
  
  void GrProcessor::operator delete(void* target) {
      return MemoryPoolAccessor().pool()->release(target);
  }
  