当前位置: 首页>>代码示例>>C++>>正文


C++ WindowPtr::activate方法代码示例

本文整理汇总了C++中WindowPtr::activate方法的典型用法代码示例。如果您正苦于以下问题:C++ WindowPtr::activate方法的具体用法?C++ WindowPtr::activate怎么用?C++ WindowPtr::activate使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在WindowPtr的用法示例。


在下文中一共展示了WindowPtr::activate方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: display

// redraw the window
void display(void)
{
    WindowPtr win = mgr->getWindow();
    
    //mgr->redraw();
    win->activate();
    win->frameInit();
    
    //RenderAction *rAct = (RenderAction*)mgr->getAction();
    
    if (multipass)
    {
        RenderAction *rAct = RenderAction::create();
        
        fbo_vp->setParent(win);
        
        rAct->setWindow(get_pointer(win));
        
        fbo_vp->render(rAct);
        
        fbo_vp->setParent(NullFC);
        
        delete rAct;
        
        //multipass = false;
    }

    win->getPort(0)->render(dynamic_cast<RenderAction *>(mgr->getAction()));
    //win->renderAllViewports(rAct);

    win->swap();
    win->frameExit();
    win->deactivate();
}
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:35,代码来源:testFboVP.cpp

示例2: determinePerformance

/** get graphics performance
 * 
 * This is a rough estimation of rendering costst for visible faces,
 * faces outside of the viewport and size dependent rendering costs.
 * <pre>
 * // face cost calculation
 * cost = invisible * invisibleFaceCost +
 *        max( visible * visibleFaceCost + 
 *             pixel * pixelCost)
 * </pre>
 *
 **/
void RenderNode::determinePerformance( WindowPtr &window )
{
    int c;
    double faces=0;
    double A,B,C;
    double t;

    setVendor((const char*)glGetString(GL_VENDOR));
    setRenderer((const char*)glGetString(GL_RENDERER));

    // try to find precalculated values
    for(c=0;_prefefined[c]!=NULL;++c)
    {
        if(_prefefined[c]->getVendor()   == getVendor()  &&
           _prefefined[c]->getRenderer() == getRenderer())
        {
            SLOG << "Predefined performance values used." << endl;
            *this=*_prefefined[c];
            return;
        }
    }

    SLOG << "Start rendering benchmark" << endl;
    window->activate();
    // create display list
    GLuint dList1 = glGenLists(1);
    glNewList(dList1, GL_COMPILE);
    float step = .1;
    int count  = 400;
    for(float y=0;y<(1-step/2);y+=step)
    {        
        glBegin(GL_TRIANGLE_STRIP);
        glVertex3f(0,y     ,-1);
        glVertex3f(0,y+step,-1);
        for(float x=step;x<(1+step/2);x+=step)
        {
            glVertex3f(x,y     ,-1);
            glVertex3f(x,y+step,-1);
            faces+=2;
        }
        glEnd();
    }
    glEndList();
    glFinish();
    GLuint dList2 = glGenLists(1);
    glNewList(dList2, GL_COMPILE);
    for(c=0;c<count;++c)
    {
        glCallList(dList1);
    }        
    glEndList();
    glFlush();
    t=runFaceBench(dList2,128,128,1.0);
    count=(int)(count/t);
    glNewList(dList2, GL_COMPILE);
    for(c=0;c<count;++c)
    {
        glCallList(dList1);
    }
    glEndList();
    runFaceBench(dList2,1,1,1.0);
    glFinish();

    Real32 aSize=2;
    Real32 bSize=2;
    Real32 cSize=128;
    do
    {
        for(A=0,c=0;A<1.0;++c)
        {
            A += runFaceBench(dList2,aSize,aSize,1.000);
        }
        A/=c*count;
        for(B=0,c=0;B<1.0;++c)
        {
            B += runFaceBench(dList2,bSize,bSize,0.001);
        }
        B/=c*count;
        C = runFaceBench(dList2,cSize,cSize,1.000)/count;
    } while(A>C);

    _visibleFaceCost     =A/faces;
    _invisibleFaceCost   =B/faces;
    _drawPixelCost       =C/(cSize*cSize);

    glViewport(0, 0, window->getWidth(), window->getHeight());
    UInt32 width,height;

//.........这里部分代码省略.........
开发者ID:BackupTheBerlios,项目名称:opensgplus,代码行数:101,代码来源:OSGRenderNode.cpp


注:本文中的WindowPtr::activate方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。