/****************************************************************************
Copyright (c) 2006, 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.
****************************************************************************/
#pragma once
//------------------------------------------------------------------------------
/**
    @file memory/win32/win32memory.h

    Win32 specific low level memory functions.
*/

#if WIN32



#include "core/config.h"
#include "core/debug.h"

namespace Memory
{
//------------------------------------------------------------------------------
/**
    Copy a chunk of memory (note the argument order is different from memcpy()!!!)
*/
__forceinline void
Copy(const void* from, void* to, size_t numBytes)
{
    if (numBytes > 0)
    {
        n_assert(0 != from);
        n_assert(0 != to);
        n_assert(from != to);
        CopyMemory(to, from, numBytes);
    }
}

//------------------------------------------------------------------------------
/**
    Copy data from a system memory buffer to graphics resource memory. Some
    platforms may need special handling of this case.
*/
__forceinline void
CopyToGraphicsMemory(const void* from, void* to, size_t numBytes)
{
    // no special handling on the Win32 platform
    Memory::Copy(from, to, numBytes);
}

//------------------------------------------------------------------------------
/**
    Overwrite a chunk of memory with 0's.
*/
__forceinline void
Clear(void* ptr, size_t numBytes)
{
    ZeroMemory(ptr, numBytes);
}

//------------------------------------------------------------------------------
/**
    Fill memory with a specific byte.
*/
__forceinline void
Fill(void* ptr, size_t numBytes, unsigned char value)
{
    FillMemory(ptr, numBytes, value);
}

} // namespace Memory
//------------------------------------------------------------------------------
    
#endif