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// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "IrrCompileConfig.h"
#include "SoftwareDriver2_compile_config.h"
#include "CDepthBuffer.h"
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
namespace irr
{
namespace video
{
//! constructor
CDepthBuffer::CDepthBuffer(const core::dimension2d<u32>& size)
: Buffer(0), Size(0,0)
{
#ifdef _DEBUG
setDebugName("CDepthBuffer");
#endif
setSize(size);
}
//! destructor
CDepthBuffer::~CDepthBuffer()
{
if (Buffer)
delete [] Buffer;
}
//! clears the zbuffer
void CDepthBuffer::clear()
{
#ifdef SOFTWARE_DRIVER_2_USE_WBUFFER
f32 zMax = 0.f;
#else
f32 zMax = 1.f;
#endif
u32 zMaxValue;
zMaxValue = IR(zMax);
memset32 ( Buffer, zMaxValue, TotalSize );
}
//! sets the new size of the zbuffer
void CDepthBuffer::setSize(const core::dimension2d<u32>& size)
{
if (size == Size)
return;
Size = size;
if (Buffer)
delete [] Buffer;
Pitch = size.Width * sizeof ( fp24 );
TotalSize = Pitch * size.Height;
Buffer = new u8[TotalSize];
clear ();
}
//! returns the size of the zbuffer
const core::dimension2d<u32>& CDepthBuffer::getSize() const
{
return Size;
}
// -----------------------------------------------------------------
//! constructor
CStencilBuffer::CStencilBuffer(const core::dimension2d<u32>& size)
: Buffer(0), Size(0,0)
{
#ifdef _DEBUG
setDebugName("CDepthBuffer");
#endif
setSize(size);
}
//! destructor
CStencilBuffer::~CStencilBuffer()
{
if (Buffer)
delete [] Buffer;
}
//! clears the zbuffer
void CStencilBuffer::clear()
{
memset32 ( Buffer, 0, TotalSize );
}
//! sets the new size of the zbuffer
void CStencilBuffer::setSize(const core::dimension2d<u32>& size)
{
if (size == Size)
return;
Size = size;
if (Buffer)
delete [] Buffer;
Pitch = size.Width * sizeof ( u32 );
TotalSize = Pitch * size.Height;
Buffer = new u8[TotalSize];
clear ();
}
//! returns the size of the zbuffer
const core::dimension2d<u32>& CStencilBuffer::getSize() const
{
return Size;
}
} // end namespace video
} // end namespace irr
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
namespace irr
{
namespace video
{
//! creates a ZBuffer
IDepthBuffer* createDepthBuffer(const core::dimension2d<u32>& size)
{
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
return new CDepthBuffer(size);
#else
return 0;
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
}
//! creates a ZBuffer
IStencilBuffer* createStencilBuffer(const core::dimension2d<u32>& size)
{
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
return new CStencilBuffer(size);
#else
return 0;
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
}
} // end namespace video
} // end namespace irr
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