/****************************************************************************
Copyright (c) 2008, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#if WIN32



#include "stdneb.h"
#include "memory/win360/win360memoryconfig.h"
#include "core/sysfunc.h"

#if NEBULA3_OBJECTS_USE_MEMORYPOOL
#include "memory/poolarrayallocator.h"
#endif

namespace Memory
{
HANDLE volatile Heaps[NumHeapTypes] = { NULL };

#if NEBULA3_OBJECTS_USE_MEMORYPOOL
PoolArrayAllocator* ObjectPoolAllocator = 0;
#endif

//------------------------------------------------------------------------------
/**
    This method is called once at application startup from 
    Core::SysFunc::Setup() to setup the various Nebula3 heaps.
*/
void
SetupHeaps()
{
    // setup global heaps
    const SIZE_T megaByte = 1024 * 1024;
    const SIZE_T kiloByte = 1024;
    unsigned int i;
    for (i = 0; i < NumHeapTypes; i++)
    {
        n_assert(0 == Heaps[i]);
        SIZE_T initialSize = 0;
        SIZE_T maxSize = 0;
        bool useLowFragHeap = false;
        switch (i)
        {
            case DefaultHeap:
            case ObjectHeap:
            case ObjectArrayHeap:
            case ScaleformHeap:
                initialSize = 4 * megaByte;
                useLowFragHeap = true;
                break;

            case ResourceHeap:
            case PhysicsHeap:
            case AppHeap:
            case NetworkHeap:
                initialSize = 8 * megaByte;
                break;

            case ScratchHeap:
                initialSize = 8 * megaByte;
                break;

            case StringDataHeap:
                initialSize = 2 * megaByte;
                useLowFragHeap = true;
                break;

            case StreamDataHeap:
                initialSize = 16 * megaByte;
                break;

            case Xbox360GraphicsHeap:
            case Xbox360AudioHeap:
                // the special Xbox360 write combined heap, this is handled as a 
                // special case in Memory::Alloc()
                initialSize = 0;
                break;

            default:
                Core::SysFunc::Error("Invalid heap type in Memory::SetupHeaps() (win360memoryconfig.cc)!");
                break;
        }
        if (0 != initialSize)
        {
            Heaps[i] = HeapCreate(0, initialSize, maxSize);
            if (useLowFragHeap)
            {
                #if __WIN32__
                // enable the Win32 LowFragmentationHeap
                ULONG heapFragValue = 2;
                HeapSetInformation(Heaps[i], HeapCompatibilityInformation, &heapFragValue, sizeof(heapFragValue));
                #endif
            }
        }
        else
        {
            Heaps[i] = 0;
        }
    }

    #if NEBULA3_OBJECTS_USE_MEMORYPOOL        
    // setup the RefCounted pool allocator
    // HMM THESE NUMBERS ARE SO HIGH BECAUSE OF GODSEND...
    #if NEBULA3_DEBUG
    uint objectPoolSizes[PoolArrayAllocator::NumPools] = {
        128 * kiloByte,     // 28 byte blocks
        4196 * kiloByte,    // 60 byte blocks
        512 * kiloByte,     // 92 byte blocks
        1024 * kiloByte,    // 124 byte blocks
        128 * kiloByte,     // 156 byte blocks
        128 * kiloByte,     // 188 byte blocks
        128 * kiloByte,     // 220 byte blocks
        2048 * kiloByte     // 252 byte blocks
    };
    #else
    uint objectPoolSizes[PoolArrayAllocator::NumPools] = {
        2048 * kiloByte,    // 28 byte blocks
        2048 * kiloByte,    // 60 byte blocks
        1024 * kiloByte,    // 92 byte blocks
        1024 * kiloByte,    // 124 byte blocks
        128 * kiloByte,     // 156 byte blocks
        128 * kiloByte,     // 188 byte blocks
        2048 * kiloByte,    // 220 byte blocks
        2048 * kiloByte     // 252 byte blocks
    };
    #endif   
    ObjectPoolAllocator = n_new(PoolArrayAllocator);
    ObjectPoolAllocator->Setup("ObjectPoolAllocator", ObjectHeap, objectPoolSizes);
    #endif
}

//------------------------------------------------------------------------------
/**
*/
const char*
GetHeapTypeName(HeapType heapType)
{
    switch (heapType)
    {
        case DefaultHeap:               return "Default Heap";
        case ObjectHeap:                return "Object Heap";
        case ObjectArrayHeap:           return "Object Array Heap";
        case ResourceHeap:              return "Resource Heap";
        case ScratchHeap:               return "Scratch Heap";
        case StringDataHeap:            return "String Data Heap";
        case StreamDataHeap:            return "Stream Data Heap";
        case PhysicsHeap:               return "Physics Heap";
        case AppHeap:                   return "App Heap";
        case NetworkHeap:               return "Network Heap";
        case Xbox360GraphicsHeap:       return "Xbox360 Graphics Heap";
        case Xbox360AudioHeap:          return "Xbox360 Audio Heap";
        case ScaleformHeap:             return "Scaleform Heap";
        default:
            Core::SysFunc::Error("Invalid HeapType arg in Memory::GetHeapTypeName()! (win360memoryconfig.cc)");
            return 0;
    }
}

} // namespace Win360


#endif