PBuffer.h
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上传日期:2009-05-26
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- /*
- s_p_oneil@hotmail.com
- Copyright (c) 2000, Sean O'Neil
- All rights reserved.
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
- * Neither the name of this project nor the names of its contributors
- may be used to endorse or promote products derived from this software
- without specific prior written permission.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef __PBuffer_h__
- #define __PBuffer_h__
- #include "GLUtil.h"
- #define MAX_PFORMATS 256
- #define MAX_ATTRIBS 32
- class CPBuffer
- {
- protected:
- int m_nWidth;
- int m_nHeight;
- int m_nFlags;
- HDC m_hDC;
- HGLRC m_hGLRC;
- HPBUFFERARB m_hBuffer;
- public:
- enum {NoFlags = 0x00, DepthBuffer = 0x01, StencilBuffer = 0x02};
- CPBuffer() { m_hBuffer = NULL; }
- CPBuffer(int nWidth, int nHeight, int nFlags=(DepthBuffer|StencilBuffer))
- {
- m_hBuffer = NULL;
- Init(nWidth, nHeight);
- }
- ~CPBuffer() { Cleanup(); }
- bool Init(int nWidth, int nHeight, int nFlags=(DepthBuffer|StencilBuffer));
- void Cleanup();
- void HandleModeSwitch();
- int GetWidth() { return m_nWidth; }
- int GetHeight() { return m_nHeight; }
- int GetFlags() { return m_nFlags; }
- HGLRC GetHGLRC() { return m_hGLRC; }
- HDC GetHDC() { return m_hDC; }
- void MakeCurrent() { if(m_hBuffer) wglMakeCurrent(m_hDC, m_hGLRC); }
- };
- #endif // __PBuffer_h__