glNext Framerate/Borderless/Multiwindow

gistfile1.cpp

#include "cinder/app/AppNative.h"
#include "cinder/app/RendererGl.h"
#include "cinder/gl/gl.h"
#include "cinder/gl/TextureFont.h"

using namespace ci;
using namespace ci::app;
using namespace std;

class CinderProjectApp : public AppNative {
  public:
    void setup() override;
    void keyDown( KeyEvent event ) override;
	void draw() override;
    
    gl::TextureFontRef mTexFont;
};

void CinderProjectApp::setup()
{
    disableFrameRate();
    mTexFont = gl::TextureFont::create( Font( "Helvetica", 12 ) );
    getWindow()->setTitle( "Window_" + to_string( getNumWindows() ) );
}

void CinderProjectApp::keyDown( KeyEvent event )
{
    size_t windows = getNumWindows();
    switch ( event.getCode() ) {
        case KeyEvent::KEY_a:
            if( !event.isShiftDown() ){
                createWindow()->setTitle( "Window_" + to_string( getNumWindows() ) );
            }
            else {
                auto x = getDisplay()->getWidth() / getWindowWidth();
                for( int i = 0; i < 10; i++ ){
                    auto w = createWindow();
                    w->setPos( vec2( i % x, i / x ) * vec2( getWindowSize() ) );
                    w->setTitle( "Window_" + to_string( getNumWindows() ) );
                }
            }
            break;
        case KeyEvent::KEY_b:
            for( size_t window = 0; window < windows; window ++ ){
                auto w = getWindowIndex( window );
                w->setBorderless( !w->isBorderless() );
            }
            break;
        case KeyEvent::KEY_f:
            for( size_t window = 0; window < windows; window ++ ){
                auto w = getWindowIndex( window );
                w->setFullScreen( !w->isFullScreen() );
            }
            break;
        case KeyEvent::KEY_h:
            for( size_t window = 1; window < windows; window ++ ){
                auto w = getWindowIndex( window );
                if( w->isHidden() ) w->show();
                else w->hide();
            }
            break;
    }
}

void CinderProjectApp::draw()
{
	gl::clear( Color( 0, 0, 0 ) );
    
    if( gl::isVerticalSyncEnabled() ) gl::enableVerticalSync( false );
    
    gl::enableAlphaBlending( mTexFont->isPremultiplied() );
    mTexFont->drawString( to_string( (int) getAverageFps() ), vec2( 10, 20 ) );
}

CINDER_APP_NATIVE( CinderProjectApp, RendererGl( RendererGl::Options().msaa(0) ) )