/*

 * 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);

}