mgcoglwireframestate.cpp

《3D游戏引擎设计》的源码

// Magic Software, Inc.
// http://www.magic-software.com
// Copyright (c) 2000, All Rights Reserved
//
// Source code from Magic Software is supplied under the terms of a license
// agreement and may not be copied or disclosed except in accordance with the
// terms of that agreement.  The various license agreements may be found at
// the Magic Software web site.  This file is subject to the license
//
// RESTRICTED USE SOURCE CODE
// http://www.magic-software.com/License/restricted.pdf

#include "MgcOglRenderer.h"

//----------------------------------------------------------------------------
void MgcOglRenderer::SetWireframeState (MgcWireframeState* pkState)
{
    static bool s_bFirstTime = true;
    if ( s_bFirstTime )
    {
	    glDisable(GL_LINE_STIPPLE);
        s_bFirstTime = false;
    }

    static bool s_bActive = false;

    if ( s_bActive )
    {
        if ( !pkState->Enabled() )
        {
            glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
            s_bActive = false;
        }
    }
    else
    {
        if ( pkState->Enabled() )
        {
            glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
            s_bActive = true;
        }
    }
}
//----------------------------------------------------------------------------