mirror of https://github.com/minetest/irrlicht.git
110 lines
1.7 KiB
C++
110 lines
1.7 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "IrrCompileConfig.h"
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#include "CZBuffer.h"
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#include "irrString.h"
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#ifdef _IRR_COMPILE_WITH_SOFTWARE_
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namespace irr
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{
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namespace video
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{
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//! constructor
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CZBuffer::CZBuffer(const core::dimension2d<u32>& size)
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: Buffer(0), BufferEnd(0), Size(0,0), TotalSize(0)
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{
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#ifdef _DEBUG
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setDebugName("CZBuffer");
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#endif
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setSize(size);
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}
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//! destructor
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CZBuffer::~CZBuffer()
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{
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delete [] Buffer;
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}
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//! clears the zbuffer
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void CZBuffer::clear()
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{
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memset(Buffer, 0, (BufferEnd-Buffer)*sizeof(TZBufferType));
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}
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//! sets the new size of the zbuffer
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void CZBuffer::setSize(const core::dimension2d<u32>& size)
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{
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if (size == Size)
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return;
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Size = size;
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delete [] Buffer;
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TotalSize = size.Width * size.Height;
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Buffer = new TZBufferType[TotalSize];
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BufferEnd = Buffer + TotalSize;
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}
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//! returns the size of the zbuffer
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const core::dimension2d<u32>& CZBuffer::getSize() const
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{
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return Size;
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}
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//! locks the zbuffer
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TZBufferType* CZBuffer::lock()
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{
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return Buffer;
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}
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//! unlocks the zbuffer
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void CZBuffer::unlock()
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{
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}
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} // end namespace video
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_SOFTWARE_
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namespace irr
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{
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namespace video
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{
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//! creates a ZBuffer
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IZBuffer* createZBuffer(const core::dimension2d<u32>& size)
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{
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#ifdef _IRR_COMPILE_WITH_SOFTWARE_
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return new CZBuffer(size);
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#else
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return 0;
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#endif // _IRR_COMPILE_WITH_SOFTWARE_
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}
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} // end namespace video
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} // end namespace irr
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