void SmoothDisplacementMappingApp::renderDisplacementMap()
{
	if( mDispMapShader && mDispMapFbo ) 
	{
		mDispMapFbo.bindFramebuffer();
		{
			// clear the color buffer
			gl::clear();			

			// setup viewport and matrices 
			glPushAttrib( GL_VIEWPORT_BIT );
			gl::setViewport( mDispMapFbo.getBounds() );

			gl::pushMatrices();
			gl::setMatricesWindow( mDispMapFbo.getSize(), false );

			// render the displacement map
			mDispMapShader.bind();
			mDispMapShader.uniform( "time", float( getElapsedSeconds() ) );
			mDispMapShader.uniform( "amplitude", mAmplitude );
			gl::drawSolidRect( mDispMapFbo.getBounds() );
			mDispMapShader.unbind();

			// clean up after ourselves
			gl::popMatrices();
			glPopAttrib();
		}
		mDispMapFbo.unbindFramebuffer();
	}
}
Пример #2
0
void HiKinectApp::generateNormalMap() {
	// bind the Fbo
	mFbo.bindFramebuffer();
	// match the viewport to the Fbo dimensions
	gl::setViewport( mFbo.getBounds() );
	// setup an ortho projection
	gl::setMatricesWindow( mFbo.getWidth(), mFbo.getHeight() );
	// clear the Fbo
	gl::clear( Color( 0, 0, 0 ) );
	
	// bind the shader, set its variables
	mNormalShader.bind();
	mNormalShader.uniform( "normalStrength", mNormalStrength);
	mNormalShader.uniform( "texelWidth", 1.0f / (float)CAPTURE_WIDTH );
	
	if ( mDepthTexture ) {
		gl::pushModelView();
//		gl::translate( Vec3f( 0, mDepthTexture.getHeight(), 0 ) );
//		gl::scale( Vec3f( 1, -1, 1 ) );
		gl::draw( mDepthTexture );
		gl::popModelView();
	}
	
	// unbind the shader
	mNormalShader.unbind();
	// unbind the Fbo
	mFbo.unbindFramebuffer();
}
Пример #3
0
void PixarDemo2012::renderGradientFBO()
{
    gl::enableAlphaBlending();

    gl::SaveFramebufferBinding bindingSaver;

    mGradientFBO.bindFramebuffer();

    gl::setViewport( mGradientFBO.getBounds() );

    gl::setMatricesWindow( getWindowSize(), true );

    gl::clear( ColorA(0.0f,0.0f,0.0f,1.0f) );

    glDisable( GL_TEXTURE_2D );

    //    mGradientFBO.bindTexture(0);
    mGradientShader.bind();
    float what = mTime;
    mGradientShader.uniform("mTime", what);
    mGradientShader.uniform("resolution", Vec2f((float)getWindowWidth(),(float)getWindowHeight()));
    gl::drawSolidRect( getWindowBounds() );
    mGradientShader.unbind();
    //    mGradientFBO.unbindTexture();

    gl::popMatrices();
}
Пример #4
0
void SlytherinApp::setup() {
    // setup webcam
    try {
        mCapture = Capture::create(640, 480);
        mCapture->start();
    } catch(...) {
        console() << "ERROR - failed to initialize capture" << endl;
        quit();
    }

    // setup webcam FBO
    gl::Fbo::Format format;
    format.enableColorBuffer(true);
    format.enableDepthBuffer(false);
    format.setWrap(GL_CLAMP, GL_CLAMP);

    mFBO = gl::Fbo(mCapture->getWidth(), mCapture->getHeight(), format);
    mFBO.bindFramebuffer();
        gl::setViewport(mFBO.getBounds());
        gl::clear();
    mFBO.unbindFramebuffer();

    setFrameRate(60.0f);

    mLastUpdateFrame = UINT32_MAX;
    mLinesPerFrame = 2.0f; // 1 line every 2 frames (at getFrameRate())
    mLineIndex = 0;
}
Пример #5
0
void MemExploreApp::draw()
{
  mTexture = gl::Texture(mDataPointer, GL_RGBA, mVolumeDim * mTilesDim, mVolumeDim * mTilesDim);
  mTexture.setWrap(GL_REPEAT, GL_REPEAT);
  mTexture.setMinFilter(GL_NEAREST);
  mTexture.setMagFilter(GL_NEAREST);
  
  float frustum[6];
  mCamera.getFrustum(&frustum[0], &frustum[1], &frustum[2], &frustum[3], &frustum[4], &frustum[5]);

  mFbo.bindFramebuffer();
  gl::setMatricesWindow(mFbo.getSize(), false);

  mProgram.bind();
  mProgram.uniform("uTexture", 0);
  mProgram.uniform("uVolumeDim", mVolumeDim);
  mProgram.uniform("uTilesDim", mTilesDim);
  mProgram.uniform("uTime", (float)getElapsedSeconds());
  mProgram.uniform("uEyePoint", mCamera.getEyePoint());
  mProgram.uniform("uXAxis", mCamera.getOrientation() * Vec3f::xAxis());
  mProgram.uniform("uYAxis", mCamera.getOrientation() * Vec3f::yAxis());
  mProgram.uniform("uViewDistance", mCamera.getAspectRatio() / abs(frustum[2] - frustum[0]) * mCamera.getNearClip());
  mProgram.uniform("uNegViewDir", -mCamera.getViewDirection().normalized());
  mProgram.uniform("uAspectRatio", mCamera.getAspectRatio());
  mTexture.enableAndBind();
  gl::drawSolidRect(mFbo.getBounds());
  mTexture.unbind();
  mProgram.unbind();
  
  mFbo.unbindFramebuffer();
  
  gl::setMatricesWindow(getWindowSize());
  gl::draw(mFbo.getTexture(), getWindowBounds());
}
Пример #6
0
void ShadedSphereApp::drawIntoRoomFbo()
{
	mRoomFbo.bindFramebuffer();
	gl::clear( ColorA( 0.0f, 0.0f, 0.0f, 0.0f ), true );
	
	gl::setMatricesWindow( mRoomFbo.getSize(), false );
	gl::setViewport( mRoomFbo.getBounds() );
	gl::disableAlphaBlending();
	gl::enable( GL_TEXTURE_2D );
	glEnable( GL_CULL_FACE );
	glCullFace( GL_BACK );
	Matrix44f m;
	m.setToIdentity();
	m.scale( mRoom.getDims() );
	
	//	mLightsTex.bind( 0 );
	mRoomShader.bind();
	mRoomShader.uniform( "mvpMatrix", mSpringCam.mMvpMatrix );
	mRoomShader.uniform( "mMatrix", m );
	mRoomShader.uniform( "eyePos", mSpringCam.getEye() );
	mRoomShader.uniform( "roomDims", mRoom.getDims() );
	mRoomShader.uniform( "mainPower", mRoom.getPower() );
	mRoomShader.uniform( "lightPower", mRoom.getLightPower() );
	mRoom.draw();
	mRoomShader.unbind();
	
	mRoomFbo.unbindFramebuffer();
	glDisable( GL_CULL_FACE );
}
Пример #7
0
// Render the torus into the FBO
void FBOMultipleTargetsApp::renderSceneToFbo()
{
	// bind the framebuffer - now everything we draw will go there
	mFbo.bindFramebuffer();

	// setup the viewport to match the dimensions of the FBO
	gl::setViewport( mFbo.getBounds() );

	// setup our camera to render the torus scene
	CameraPersp cam( mFbo.getWidth(), mFbo.getHeight(), 60.0f );
	cam.setPerspective( 60, mFbo.getAspectRatio(), 1, 1000 );
	cam.lookAt( Vec3f( 2.8f, 1.8f, -2.8f ), Vec3f::zero() );
	gl::setMatrices( cam );

	// set the modelview matrix to reflect our current rotation
	gl::multModelView( mTorusRotation );
	
	// clear out both of the attachments of the FBO with black
	gl::clear();

	// render the torus with our multiple-output shader
	mShaderMultipleOuts.bind();
	gl::drawTorus( 1.4f, 0.3f, 32, 64 );
	mShaderMultipleOuts.unbind();

	// unbind the framebuffer, so that drawing goes to the screen again
	mFbo.unbindFramebuffer();
}
Пример #8
0
void CatalogApp::setFboPositions( gl::Fbo &fbo )
{
	int numBrightStars = mBrightStars.size();

	int index = 0;
	
	Surface32f posSurface( fbo.getTexture() );
	Surface32f::Iter it = posSurface.getIter();
	while( it.line() ){
		while( it.pixel() ){
			Vec3f pos = Vec3f( 1000000.0f, 0.0f, 0.0f );
			float col = 0.4f;
			float rad = 0.0f;
			if( index < numBrightStars ){
				pos = mBrightStars[index]->mPos;
				col = mBrightStars[index]->mColor;
				rad = floor( constrain( ( ( 6.0f - ( mBrightStars[index]->mAbsoluteMag ) )/6.0f ), 0.3f, 1.0f ) * 3.0f * 1000 );
			}
			it.r() = pos.x;
			it.g() = pos.y;
			it.b() = pos.z;
			it.a() = rad + col;

			index ++;
		}
	}

	gl::Texture posTexture( posSurface );
	fbo.bindFramebuffer();
	gl::setMatricesWindow( fbo.getSize(), false );
	gl::setViewport( fbo.getBounds() );
	gl::clear( ColorA( 0, 0, 0, 0 ), true );
	gl::draw( posTexture );
	fbo.unbindFramebuffer();
}
void BubbleChamberApp::drawIntoRoomFbo()
{
	mRoomFbo.bindFramebuffer();
	gl::clear( ColorA( 0.0f, 0.0f, 0.0f, 0.0f ), true );
	
	gl::setMatricesWindow( mRoomFbo.getSize(), false );
	gl::setViewport( mRoomFbo.getBounds() );
	gl::disableAlphaBlending();
	gl::enable( GL_TEXTURE_2D );
	glEnable( GL_CULL_FACE );
	glCullFace( GL_BACK );
	Matrix44f m;
	m.setToIdentity();
	m.scale( mRoom.getDims() );

	mRoomShader.bind();
	mRoomShader.uniform( "mvpMatrix", mActiveCam.mMvpMatrix );
	mRoomShader.uniform( "mMatrix", m );
	mRoomShader.uniform( "eyePos", mActiveCam.mCam.getEyePoint() );
	mRoomShader.uniform( "roomDims", mRoom.getDims() );
	mRoomShader.uniform( "power", mRoom.getPower() );
	mRoomShader.uniform( "lightPower", mRoom.getLightPower() );
	mRoomShader.uniform( "timePer", mRoom.getTimePer() * 1.5f + 0.5f );
	mRoom.draw();
	mRoomShader.unbind();
	
	mRoomFbo.unbindFramebuffer();
	glDisable( GL_CULL_FACE );
}
Пример #10
0
void ChargesApp::setup()
{
	//gl::disableVerticalSync();

	gl::Fbo::Format format;
	format.enableDepthBuffer( false );
	format.setSamples( 4 );

	mFbo = gl::Fbo( 1280, 800, format );
	mKawaseBloom = mndl::gl::fx::KawaseBloom( mFbo.getWidth(), mFbo.getHeight() );

	mEffectCharge.setup();
	mEffectCharge.instantiate();
	mEffectCharge.setBounds( mFbo.getBounds() );

	// Leap
	mLeap = LeapSdk::Device::create();
	mLeapCallbackId = mLeap->addCallback( &ChargesApp::onFrame, this );

	// params
	mndl::kit::params::PInterfaceGl::load( "params.xml" );
	mParams = mndl::kit::params::PInterfaceGl( "Parameters", Vec2i( 200, 300 ) );
	mParams.addPersistentSizeAndPosition();
	mParams.addParam( "Fps", &mFps, "", true );
	mParams.addSeparator();
	mParams.addPersistentParam( "Line width", &mLineWidth, 4.5f, "min=.5 max=10 step=.1" );
	mParams.addPersistentParam( "Bloom strength", &mBloomStrength, .8f, "min=0 max=1 step=.05" );
	mParams.addPersistentParam( "Finger disapperance thr", &mFingerDisapperanceThreshold, .1f, "min=0 max=2 step=.05" );

	mndl::kit::params::PInterfaceGl::showAllParams( false );
}
Пример #11
0
// Render the torus into the FBO
void FBOBasicApp::renderSceneToFbo()
{
	// this will restore the old framebuffer binding when we leave this function
	// on non-OpenGL ES platforms, you can just call mFbo.unbindFramebuffer() at the end of the function
	// but this will restore the "screen" FBO on OpenGL ES, and does the right thing on both platforms
	gl::SaveFramebufferBinding bindingSaver;
	
	// bind the framebuffer - now everything we draw will go there
	mFbo.bindFramebuffer();

	// setup the viewport to match the dimensions of the FBO
	gl::setViewport( mFbo.getBounds() );

	// setup our camera to render the torus scene
	CameraPersp cam( mFbo.getWidth(), mFbo.getHeight(), 60.0f );
	cam.setPerspective( 60, mFbo.getAspectRatio(), 1, 1000 );
	cam.lookAt( Vec3f( 2.8f, 1.8f, -2.8f ), Vec3f::zero() );
	gl::setMatrices( cam );

	// set the modelview matrix to reflect our current rotation
	gl::multModelView( mTorusRotation );
	
	// clear out the FBO with blue
	gl::clear( Color( 0.25, 0.5f, 1.0f ) );

	// render an orange torus, with no textures
	glDisable( GL_TEXTURE_2D );
	gl::color( Color( 1.0f, 0.5f, 0.25f ) );
	gl::drawTorus( 1.4f, 0.3f, 32, 64 );
//	gl::drawColorCube( Vec3f::zero(), Vec3f( 2.2f, 2.2f, 2.2f ) );
}
/* 
 * @Description: need to blur[the SSAO texture] horizonatally then vertically (for shader performance reasons). Called ping-ponging as it one FBO drawn to another
 * @param: KeyEvent
 * @return: none
 */
void Base_ThreeD_ProjectApp::pingPongBlur()
{
	//render horizontal blue first
	gl::setViewport( mPingPongBlurH.getBounds() );
	
	mPingPongBlurH.bindFramebuffer();
	
	glClearColor( 0.5f, 0.5f, 0.5f, 1 );
	glClearDepth(1.0f);
	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	
	gl::setMatricesWindow( mPingPongBlurH.getSize() );
	
	mSSAOMap.getTexture().bind(0);
	mHBlurShader.bind();
	mHBlurShader.uniform("RTScene", 0);
    gl::drawSolidRect( Rectf( 0, 0, getWindowWidth(), getWindowHeight()) );
	mHBlurShader.unbind();
	mSSAOMap.getTexture().unbind(0);
	
	mPingPongBlurH.unbindFramebuffer();
	
	//gl::setViewport( getWindowBounds() ); //redundant
	
	//now render vertical blur
	gl::setViewport( mPingPongBlurV.getBounds() );
	
	mPingPongBlurV.bindFramebuffer();
	
	glClearColor( 0.5f, 0.5f, 0.5f, 1 );
	glClearDepth(1.0f);
	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	
	gl::setMatricesWindow( mPingPongBlurV.getSize() );
	
	mPingPongBlurH.getTexture().bind(0);
	mHBlurShader.bind();
	mHBlurShader.uniform("RTBlurH", 0);
	gl::drawSolidRect( Rectf( 0, 0, getWindowWidth(), getWindowHeight()) );
	mHBlurShader.unbind();
	mPingPongBlurH.getTexture().unbind(0);
	
	mPingPongBlurV.unbindFramebuffer();
	
	gl::setViewport( getWindowBounds() );
}
Пример #13
0
void	KinectEcard::snapshot(){
	gl::Fbo fbo( 640, 480, false );

	// render stored depth FBO
	fbo.bindFramebuffer();
	gl::pushMatrices();
		gl::clear( Color::black() );
		gl::color( Color::white() );
		gl::setMatricesWindowPersp( fbo.getSize() );

		mDepthCompareShader.bind();

		mDepthCompareShader.uniform( "tex0", 0 );
		mDepthCompareShader.uniform( "tex1", 1 );

		mDepthFbo.bindTexture(0);
		mStoredDepthFbo.bindTexture(1);

		gl::translate( 0, 480 );
		gl::scale( 1, -1 );

		gl::drawSolidRect( fbo.getBounds() );

		mDepthCompareShader.unbind();
	gl::popMatrices();
	fbo.unbindFramebuffer();

	// save stored depth fbo
	fbo.blitTo( mStoredDepthFbo, fbo.getBounds(), mStoredDepthFbo.getBounds() );

	// render substracted video fbo
	fbo.bindFramebuffer();
	gl::pushMatrices();
		gl::clear( Color::black() );
		gl::color( Color::white() );
		gl::setMatricesWindowPersp( mSubstractedVideoFbo.getSize() );
		gl::draw( mSubstractedVideoFbo.getTexture() );
	gl::popMatrices();
	fbo.unbindFramebuffer();

	// save it
	fbo.blitTo( mStoredVideoFbo, fbo.getBounds(), mStoredVideoFbo.getBounds() );
}
/* 
 * @Description: render SSAO now - woohoo!
 * @param: KeyEvent
 * @return: none
 */
void Base_ThreeD_ProjectApp::renderSSAOToFBO()
{
	gl::setViewport( mSSAOMap.getBounds() );
	
	//render out main scene to FBO
	mSSAOMap.bindFramebuffer();
	
	glClearColor( 0.5f, 0.5f, 0.5f, 1 );
	glClearDepth(1.0f);
	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	
	gl::setMatricesWindow( mSSAOMap.getSize() );
	
	mRandomNoise.bind(1);
	mNormalDepthMap.getTexture().bind(2);
	
	mSSAOShader.bind();
	
	mSSAOShader.uniform("rnm", 1 );
	mSSAOShader.uniform("normalMap", 2 );
    
    //look at shader and see you can set these through the client if you so desire.
    //	mSSAOShader.uniform("rnm", 1 );
    //	mSSAOShader.uniform("normalMap", 2 );	
    //	mSSAOShader.uniform("totStrength", 1.38f);
    //	mSSAOShader.uniform("strength", 0.07f);
    //	mSSAOShader.uniform("offset", 10.0f);
    //	mSSAOShader.uniform("falloff", 0.2f);
    //	mSSAOShader.uniform("rad", 0.8f);
    
    //	mSSAOShader.uniform("rnm", 1 );
    //	mSSAOShader.uniform("normalMap", 2 );
    //	mSSAOShader.uniform("farClipDist", 20.0f);
    //	mSSAOShader.uniform("screenSizeWidth", (float)getWindowWidth());
    //	mSSAOShader.uniform("screenSizeHeight", (float)getWindowHeight());
	
    //	mSSAOShader.uniform("grandom", 1 );
    //	mSSAOShader.uniform("gnormals", 2 );
    //	mSSAOShader.uniform("gdepth", 1 );
    //	mSSAOShader.uniform("gdiffuse", 1 );
    
    gl::drawSolidRect( Rectf( 0, 0, getWindowWidth(), getWindowHeight()) );
	
	mSSAOShader.unbind();
	
	mNormalDepthMap.getTexture().unbind(2);
	mRandomNoise.unbind(1);
	
	mSSAOMap.unbindFramebuffer();
	
	gl::setViewport( getWindowBounds() );
}
Пример #15
0
void Grove::copyBlur(gl::Fbo& source, gl::Fbo& target, Vec2f sampleOffset)
{
	// bind the blur shader
	mBlurShader.bind();
	mBlurShader.uniform("tex0", 0); // use texture unit 0
	mBlurShader.uniform("sampleOffset", sampleOffset);

	// copy a horizontally blurred version of our scene into the first blur Fbo
	gl::setViewport( target.getBounds() );
	target.bindFramebuffer();
		source.bindTexture(0);
		gl::pushMatrices();
		gl::setMatricesWindow(target.getSize(), false);
			gl::clear( Color::black() );
			gl::drawSolidRect( target.getBounds() );
		gl::popMatrices();
		source.unbindTexture();
	target.unbindFramebuffer();	

	// unbind the shader
	mBlurShader.unbind();
}
void SmoothDisplacementMappingApp::renderNormalMap()
{
	if( mNormalMapShader && mNormalMapFbo ) 
	{
		mNormalMapFbo.bindFramebuffer();
		{
			// setup viewport and matrices 
			glPushAttrib( GL_VIEWPORT_BIT );
			gl::setViewport( mNormalMapFbo.getBounds() );

			gl::pushMatrices();
			gl::setMatricesWindow( mNormalMapFbo.getSize(), false );

			// clear the color buffer
			gl::clear();			

			// bind the displacement map
			mDispMapFbo.getTexture().bind(0);

			// render the normal map
			mNormalMapShader.bind();
			mNormalMapShader.uniform( "texture", 0 );
			mNormalMapShader.uniform( "amplitude", 4.0f );

			Area bounds = mNormalMapFbo.getBounds(); //bounds.expand(-1, -1);
			gl::drawSolidRect( bounds );

			mNormalMapShader.unbind();

			// clean up after ourselves
			mDispMapFbo.getTexture().unbind();

			gl::popMatrices();

			glPopAttrib();
		}
		mNormalMapFbo.unbindFramebuffer();
	}
}
Пример #17
0
void syphonImpApp::renderSceneToFbo()
{
	// this will restore the old framebuffer binding when we leave this function
	// on non-OpenGL ES platforms, you can just call mFbo.unbindFramebuffer() at the end of the function
	// but this will restore the "screen" FBO on OpenGL ES, and does the right thing on both platforms
	gl::SaveFramebufferBinding bindingSaver;
	
	// bind the framebuffer - now everything we draw will go there
	myFbo.bindFramebuffer();
    gl::setViewport(myFbo.getBounds() );
    gl::setMatricesWindow( myFbo.getSize(), false );
	
	// clear out the FBO with blue
	gl::clear();
   mParticleController.update();
    mParticleController.draw();
    
}
/* 
 * @Description: render scene normals to FBO ( required for SSAO calculations )
 * @param: none
 * @return: none
 */
void Base_ThreeD_ProjectApp::renderNormalsDepthToFBO()
{
	gl::setViewport( mNormalDepthMap.getBounds() );
	
	//render out main scene to FBO
	mNormalDepthMap.bindFramebuffer();
	
	glClearColor( 0.5f, 0.5f, 0.5f, 1 );
	glClearDepth(1.0f);
	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	
	mNormalDepthShader.bind();
    drawTestObjects();
	mNormalDepthShader.unbind();
	
	mNormalDepthMap.unbindFramebuffer();
	
	gl::setViewport( getWindowBounds() );
}
Пример #19
0
void ardroneApp::draw()
{
    renderFbo.bindFramebuffer();

	gl::clear( Color( 0, 0, 0 ) );
    gl::color( Color::white() );
	if ( mFrameTexture ) {
		Rectf centeredRect = Rectf( mFrameTexture.getBounds() ).getCenteredFit( getWindowBounds(), true );
		gl::draw( mFrameTexture, centeredRect  );
	}
    
    renderFbo.blitToScreen(renderFbo.getBounds(), getWindowBounds());
    mSyphonServer.publishTexture(renderFbo.getTexture(), false);

    renderFbo.unbindFramebuffer(); // return rendering to the window's own frame buffer

	if( mInfoTexture ) {
		glDisable( GL_TEXTURE_RECTANGLE_ARB );
		gl::draw( mInfoTexture, Vec2f( 5, getWindowHeight() - 5 - mInfoTexture.getHeight() ) );
	}
}
void ScreenShadersApp::draw()
{
	// clear out the window with black
	gl::clear( Color( 0, 0, 0 ) ); 
	
	// bind the Fbo
	mFbo.bindFramebuffer();
	// match the viewport to the Fbo dimensions
	gl::setViewport( mFbo.getBounds() );
	// setup an ortho projection
	gl::setMatricesWindow( mFbo.getWidth(), mFbo.getHeight() );
	// clear the Fbo
	gl::clear( Color( 0, 0, 0 ) );
	
	if ( mTexture ) {
		gl::draw( mTexture );
	}
	
	// unbind the Fbo
	mFbo.unbindFramebuffer();
	
	gl::setMatricesWindow( getWindowWidth(), getWindowHeight() );
	
	float kernelRes = 21.0f;
	
	mBlurShader.bind();
	mBlurShader.uniform( "kernelRes", kernelRes );
	mBlurShader.uniform( "invKernelRes", 1.0f / kernelRes );
	mBlurShader.uniform( "fboTex", 0 );
	mBlurShader.uniform( "kernelTex", 1 );
	mBlurShader.uniform( "orientationVector", Vec2f( 1.0f, 1.0f ) );
	mBlurShader.uniform( "blurAmt", 1.0f );
	mBlurShader.uniform( "colMulti", 1.0f );
	
	mBlurKernel.bind( 1 );
	
	gl::draw( mFbo.getTexture(0), Rectf( 0, getWindowHeight(), getWindowWidth(), 0 ) );
	mBlurShader.unbind();
}
Пример #21
0
void KinectEcard::renderVideo(){
	if( !mVideoSurface )
		return;

	gl::pushMatrices();
	{
		//
		mVideoFbo.bindFramebuffer();

		// clear FBO
		gl::clear( Color::black() );
		gl::color( Color::white() );

		// 
		gl::Texture tex0( mVideoSurface );
		gl::Texture tex1( mCorrectionMap );

		mDepthCorrectionShader.bind();
		mDepthCorrectionShader.uniform( "tex0", 0 );
		mDepthCorrectionShader.uniform( "tex1", 1 );

		tex0.bind(0);
		tex1.bind(1);

		gl::setMatricesWindowPersp( mVideoFbo.getSize() );

		// draw video surface
		gl::drawSolidRect( mVideoFbo.getBounds() );
		//gl::draw( mCorrectionMap );

		mDepthCorrectionShader.unbind();

		mVideoFbo.unbindFramebuffer();
	}
	gl::popMatrices();
	
}
Пример #22
0
void KinectEcard::renderSubstractedVideo(){
	mSubstractedVideoFbo.bindFramebuffer();

	gl::pushMatrices();
	{
		// clear FBO
		gl::clear( Color::black() );
		gl::color( Color::white() );

		//
		gl::setMatricesWindowPersp( mSubstractedVideoFbo.getSize() );

		mSubstractShader.bind();
		mSubstractShader.uniform( "tex0", 0 );
		mSubstractShader.uniform( "tex1", 1 );
		mSubstractShader.uniform( "tex2", 2 );
		mSubstractShader.uniform( "tex3", 3 );

		mVideoFbo.bindTexture(0);
		mDepthFbo.bindTexture(1);
		mStoredVideoFbo.bindTexture(2);
		mStoredDepthFbo.bindTexture(3);
		
		gl::drawSolidRect( mSubstractedVideoFbo.getBounds() );

		mVideoFbo.unbindTexture();
		mDepthFbo.unbindTexture();
		mStoredVideoFbo.unbindTexture();
		mStoredDepthFbo.unbindTexture();

		mSubstractShader.unbind();
	}
	gl::popMatrices();

	mSubstractedVideoFbo.unbindFramebuffer();
}
Пример #23
0
void ChargesApp::draw()
{
	mFbo.bindFramebuffer();
	gl::setViewport( mFbo.getBounds() );
	gl::setMatricesWindow( mFbo.getSize() );

	gl::clear( Color::black() );
	mEffectCharge.setLineWidth( mLineWidth );
	mEffectCharge.draw();

	mFbo.unbindFramebuffer();

	gl::color( Color::white() );
	gl::Texture output = mKawaseBloom.process( mFbo.getTexture(), 8, mBloomStrength );

	gl::setViewport( getWindowBounds() );
	gl::setMatricesWindow( getWindowSize() );

	gl::clear( Color::black() );
	gl::color( Color::white() );
	gl::draw( output, getWindowBounds() );

	mndl::kit::params::PInterfaceGl::draw();
}
Пример #24
0
void FolApp::draw()
{
    gl::clear( Color::black() );

    if ( !mDepthTexture )
        return;

    // blur depth
    mDepthFbo.bindFramebuffer();
    gl::setMatricesWindow( mDepthFbo.getSize(), false );
    gl::setViewport( mDepthFbo.getBounds() );

    mBlurShader.bind();

    mBlurShader.uniform( "kernelSize", (float)mBlurKernelTexture.getWidth() );
    mBlurShader.uniform( "invKernelSize", 1.f / mBlurKernelTexture.getWidth() );
    mBlurShader.uniform( "imageTex", 0 );
    mBlurShader.uniform( "kernelTex", 1 );
    mBlurShader.uniform( "blurAmount", mBlurAmount );

    // pass 1
    glDrawBuffer( GL_COLOR_ATTACHMENT0_EXT );

    //gl::enable( GL_TEXTURE_2D );
    mDepthTexture.bind( 0 );
    mBlurKernelTexture.bind( 1 );
    mBlurShader.uniform( "stepVector", Vec2f( 1. / mDepthTexture.getWidth(), 0. ) );

    gl::drawSolidRect( mDepthFbo.getBounds() );

    mDepthTexture.unbind();

    // pass 2
    glDrawBuffer( GL_COLOR_ATTACHMENT1_EXT );

    mDepthFbo.bindTexture( 0 );
    mBlurShader.uniform( "stepVector", Vec2f( 0., 1. / mDepthFbo.getHeight() ) );
    gl::drawSolidRect( mDepthFbo.getBounds() );

    mDepthFbo.unbindTexture();
    mBlurKernelTexture.unbind();
    mBlurShader.unbind();

    mDepthFbo.unbindFramebuffer();

    // wave output
    mOutputFbo.bindFramebuffer();
    gl::setMatricesWindow( mOutputFbo.getSize(), false );
    gl::setViewport( mOutputFbo.getBounds() );

    gl::clear( Color::black() );
    gl::disableDepthRead();
    gl::disableDepthWrite();

    gl::enableAdditiveBlending();
    gl::color( ColorA( 1, 1, 1, .0195 ) );

    gl::pushMatrices();
    gl::scale( Vec2f( getWindowWidth() / (float)VBO_X_SIZE,
                      getWindowHeight() / (float)VBO_Y_SIZE) );

    mDepthFbo.getTexture( 1 ).bind();
    mWaveShader.bind();
    mWaveShader.uniform( "tex", 0 );
    mWaveShader.uniform( "invSize", Vec2f( mStep / mDepthFbo.getWidth(),
                                           mStep / mDepthFbo.getHeight() ) );
    mWaveShader.uniform( "clip", mClip );
    gl::draw( mVboMesh );
    mWaveShader.unbind();

    gl::popMatrices();

    gl::disableAlphaBlending();
    mOutputFbo.unbindFramebuffer();

    // bloom
    mBloomFbo.bindFramebuffer();

    gl::setMatricesWindow( mBloomFbo.getSize(), false );
    gl::setViewport( mBloomFbo.getBounds() );

    gl::color( Color::white() );
    mOutputFbo.getTexture().bind();

    mBloomShader.bind();
    for (int i = 0; i < 8; i++)
    {
        glDrawBuffer( GL_COLOR_ATTACHMENT0_EXT + i );
        mBloomShader.uniform( "iteration", i );
        gl::drawSolidRect( mBloomFbo.getBounds() );
        mBloomFbo.bindTexture( 0, i );
    }
    mBloomShader.unbind();

    glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
    mBloomFbo.unbindFramebuffer();

    // output mixer
    gl::setMatricesWindow( getWindowSize() );
    gl::setViewport( getWindowBounds() );

    mMixerShader.bind();

    gl::enable( GL_TEXTURE_2D );

    mOutputFbo.getTexture().bind( 0 );
    for (int i = 0; i < 8; i++)
    {
        mBloomFbo.getTexture( i ).bind( i + 1 );
    }

    gl::drawSolidRect( mOutputFbo.getBounds() );
    gl::disable( GL_TEXTURE_2D );
    mMixerShader.unbind();

    //gl::draw( mOutputFbo.getTexture(), getWindowBounds() );
    //gl::draw( mDepthFbo.getTexture( 1 ), getWindowBounds() );

    params::InterfaceGl::draw();
}
Пример #25
0
void StereoscopicRenderingApp::draw()
{
	// find dimensions of each viewport 
	int w = getWindowWidth();
	int h = getWindowHeight();

	// clear color and depth buffers
	gl::clear( mBackgroundColor ); 
	
	// stereoscopic rendering
	switch( mRenderMethod ) 
	{
	case MONO:
		// render mono camera
		mCamera.disableStereo();
		render();
		break;
	case SIDE_BY_SIDE:
		// store current viewport
		glPushAttrib( GL_VIEWPORT_BIT );

		// draw to left half of window only
		gl::setViewport( Area(0, 0, w / 2, h) );

		// render left camera
		mCamera.enableStereoLeft();
		render();

		// draw to right half of window only
		gl::setViewport( Area(w / 2, 0, w, h) );

		// render right camera
		mCamera.enableStereoRight();
		render();

		// restore viewport
		glPopAttrib();
		break;
	case OVER_UNDER:
		// store current viewport
		glPushAttrib( GL_VIEWPORT_BIT );

		// draw to top half of window only
		gl::setViewport( Area(0, 0, w, h / 2) );

		// render left camera
		mCamera.enableStereoLeft();
		render();

		// draw to bottom half of window only
		gl::setViewport( Area(0, h / 2, w, h) );

		// render right camera
		mCamera.enableStereoRight();
		render();

		// restore viewport
		glPopAttrib();
		break;
	case ANAGLYPH_RED_CYAN:
		// store current viewport
		glPushAttrib( GL_VIEWPORT_BIT );

		// bind the left FBO and adjust the viewport to its bounds
		mAnaglyphLeft.bindFramebuffer();
		gl::setViewport( mAnaglyphLeft.getBounds() );

		// because glClear() does not respect the color mask, 
		// clear the color (and depth) buffers using a red filtered background color
		gl::clear( mBackgroundColor * Color( 1, 0, 0 ) );

		// set up color mask to only draw red and render left camera
		glColorMask( true, false, false, true );
		mCamera.enableStereoLeft();
		render();
		glColorMask( true, true, true, true );

		mAnaglyphLeft.unbindFramebuffer();
		
		// bind the right FBO and adjust the viewport to its bounds
		mAnaglyphRight.bindFramebuffer();
		gl::setViewport( mAnaglyphRight.getBounds() );
		
		// because glClear() does not respect the color mask, 
		// clear the color (and depth) buffers using a cyan filtered background color
		gl::clear( mBackgroundColor * Color( 0, 1, 1 ) );
		
		// set up color mask to only draw cyan and render right camera
		glColorMask( false, true, true, true );
		mCamera.enableStereoRight();
		render();
		glColorMask( true, true, true, true );

		mAnaglyphRight.unbindFramebuffer();

		// restore viewport
		glPopAttrib();

		// draw the FBO's on top of each other using a special additive blending operation
		gl::color( Color::white() );
		
		gl::draw( mAnaglyphLeft.getTexture(), Rectf( 0, (float) h, (float) w, 0 ) );	

		glEnable( GL_BLEND );
		glBlendFunc( GL_ONE, GL_ONE );
		gl::draw( mAnaglyphRight.getTexture(), Rectf( 0, (float) h, (float) w, 0) ); 
		glDisable( GL_BLEND );
		break;
	}

	// draw auto focus visualizer
	if( mDrawAutoFocus ) mAF.draw();
}
Пример #26
0
void BloomingNeonApp::draw()
{
	// clear our window
	gl::clear( Color::black() );

	// store our viewport, so we can restore it later
	Area viewport = gl::getViewport();

	// render scene into mFboScene using illumination texture
	mTextureIllumination.enableAndBind();
	mTextureSpecular.bind(1);
	gl::setViewport( mFboScene.getBounds() );
	mFboScene.bindFramebuffer();
		gl::pushMatrices();
			gl::setMatricesWindow(SCENE_SIZE, SCENE_SIZE, false);
			gl::clear( Color::black() );
			render();
		gl::popMatrices();
	mFboScene.unbindFramebuffer();

	// bind the blur shader
	mShaderBlur.bind();
	mShaderBlur.uniform("tex0", 0); // use texture unit 0
 
	// tell the shader to blur horizontally and the size of 1 pixel
	mShaderBlur.uniform("sample_offset", Vec2f(1.0f/mFboBlur1.getWidth(), 0.0f));
	mShaderBlur.uniform("attenuation", 2.5f);

	// copy a horizontally blurred version of our scene into the first blur Fbo
	gl::setViewport( mFboBlur1.getBounds() );
	mFboBlur1.bindFramebuffer();
		mFboScene.bindTexture(0);
		gl::pushMatrices();
			gl::setMatricesWindow(BLUR_SIZE, BLUR_SIZE, false);
			gl::clear( Color::black() );
			gl::drawSolidRect( mFboBlur1.getBounds() );
		gl::popMatrices();
		mFboScene.unbindTexture();
	mFboBlur1.unbindFramebuffer();	
 
	// tell the shader to blur vertically and the size of 1 pixel
	mShaderBlur.uniform("sample_offset", Vec2f(0.0f, 1.0f/mFboBlur2.getHeight()));
	mShaderBlur.uniform("attenuation", 2.5f);

	// copy a vertically blurred version of our blurred scene into the second blur Fbo
	gl::setViewport( mFboBlur2.getBounds() );
	mFboBlur2.bindFramebuffer();
		mFboBlur1.bindTexture(0);
		gl::pushMatrices();
			gl::setMatricesWindow(BLUR_SIZE, BLUR_SIZE, false);
			gl::clear( Color::black() );
			gl::drawSolidRect( mFboBlur2.getBounds() );
		gl::popMatrices();
		mFboBlur1.unbindTexture();
	mFboBlur2.unbindFramebuffer();

	// unbind the shader
	mShaderBlur.unbind();

	// render scene into mFboScene using color texture
	mTextureColor.enableAndBind();
	mTextureSpecular.bind(1);
	gl::setViewport( mFboScene.getBounds() );
	mFboScene.bindFramebuffer();
		gl::pushMatrices();
			gl::setMatricesWindow(SCENE_SIZE, SCENE_SIZE, false);
			gl::clear( Color::black() );
			render();
		gl::popMatrices();
	mFboScene.unbindFramebuffer();

	// restore the viewport
	gl::setViewport( viewport );

	// because the Fbo's have their origin in the LOWER-left corner,
	// flip the Y-axis before drawing
	gl::pushModelView();
	gl::translate( Vec2f(0, 256) );
	gl::scale( Vec3f(1, -1, 1) );

	// draw the 3 Fbo's 
	gl::color( Color::white() );
	gl::draw( mFboScene.getTexture(), Rectf(0, 0, 256, 256) );
	drawStrokedRect( Rectf(0, 0, 256, 256) );

	gl::draw( mFboBlur1.getTexture(), Rectf(260, 0, 260 + 256, 256) );
	drawStrokedRect( Rectf(260, 0, 260 + 256, 256) );

	gl::draw( mFboBlur2.getTexture(), Rectf(520, 0, 520 + 256, 256) );
	drawStrokedRect( Rectf(520, 0, 520 + 256, 256) );

	// draw our scene with the blurred version added as a blend
	gl::color( Color::white() );
	gl::draw( mFboScene.getTexture(), Rectf(780, 0, 780 + 256, 256) );

	gl::enableAdditiveBlending();
	gl::draw( mFboBlur2.getTexture(), Rectf(780, 0, 780 + 256, 256) );
	gl::disableAlphaBlending();
	drawStrokedRect( Rectf(780, 0, 780 + 256, 256) );
	
	// restore the modelview matrix
	gl::popModelView();

	// draw info
	gl::enableAlphaBlending();
	gl::drawStringCentered("Basic Scene", Vec2f(128, 236));
	gl::drawStringCentered("First Blur Pass (Horizontal)", Vec2f(260 + 128, 236));
	gl::drawStringCentered("Second Blur Pass (Vertical)", Vec2f(520 + 128, 236));
	gl::drawStringCentered("Final Scene", Vec2f(780 + 128, 236));
	gl::disableAlphaBlending();
}
Пример #27
0
void StarsApp::draw()
{		
	int w = getWindowWidth();
	int h = getWindowHeight();

	gl::clear( Color::black() ); 

	if(mIsStereoscopic) {
		glPushAttrib( GL_VIEWPORT_BIT );
		gl::pushMatrices();

		// render left eye
		mCamera.enableStereoLeft();

		gl::setViewport( Area(0, 0, w / 2, h) );
		gl::setMatrices( mCamera.getCamera() );
		render();
	
		// draw user interface
		mUserInterface.draw("Stereoscopic Projection");

		// render right eye
		mCamera.enableStereoRight();

		gl::setViewport( Area(w / 2, 0, w, h) );
		gl::setMatrices( mCamera.getCamera() );
		render();
	
		// draw user interface
		mUserInterface.draw("Stereoscopic Projection");

		gl::popMatrices();		
		glPopAttrib();
	}
	else if(mIsCylindrical) {
		// make sure we have a frame buffer to render to
		createFbo();

		// determine correct aspect ratio and vertical field of view for each of the 3 views
		w = mFbo.getWidth() / 3;
		h = mFbo.getHeight();

		const float aspect = float(w) / float(h);
		const float hFoV = 60.0f;
		const float vFoV = toDegrees( 2.0f * math<float>::atan( math<float>::tan( toRadians(hFoV) * 0.5f ) / aspect ) );

		// for values smaller than 1.0, this will cause each view to overlap the other ones
		const float overlap = 1.0f;	

		// bind the frame buffer object
		mFbo.bindFramebuffer();

		// store viewport, camera and matrices, so we can restore later
		glPushAttrib( GL_VIEWPORT_BIT );
		CameraStereo original = mCamera.getCamera();
		gl::pushMatrices();

		// setup camera	
		CameraStereo cam = mCamera.getCamera();
		cam.disableStereo();
		cam.setAspectRatio(aspect);
		cam.setFov( vFoV );

		Vec3f right, up;	
		cam.getBillboardVectors(&right, &up);
		Vec3f forward = up.cross(right);

		// render left side
		gl::setViewport( Area(0, 0, w, h) );

		cam.setViewDirection( Quatf(up, overlap * toRadians(hFoV)) * forward );
		cam.setWorldUp( up );
		gl::setMatrices( cam );
		render();
		
		// render front side
		gl::setViewport( Area(w, 0, w*2, h) );

		cam.setViewDirection( forward );
		cam.setWorldUp( up );
		gl::setMatrices( cam );
		render();	
	
		// draw user interface
		mUserInterface.draw( (boost::format("Cylindrical Projection (%d degrees)") % int( (1.0f + 2.0f * overlap) * hFoV ) ).str() );

		// render right side
		gl::setViewport( Area(w*2, 0, w*3, h) );

		cam.setViewDirection( Quatf(up, -overlap * toRadians(hFoV)) * forward );
		cam.setWorldUp( up );
		gl::setMatrices( cam );
		render();
		
		// unbind the frame buffer object
		mFbo.unbindFramebuffer();

		// restore states
		gl::popMatrices();		
		mCamera.setCurrentCam(original);
		glPopAttrib();

		// draw frame buffer and perform cylindrical projection using a fragment shader
		if(mShader) {
			float sides = 3;
			float radians = sides * toRadians( hFoV );
			float reciprocal = 0.5f / sides;

			mShader.bind();
			mShader.uniform("texture", 0);
			mShader.uniform("sides", sides);
			mShader.uniform("radians", radians );
			mShader.uniform("reciprocal", reciprocal );
		}

		Rectf centered = Rectf(mFbo.getBounds()).getCenteredFit( getWindowBounds(), false );
		gl::draw( mFbo.getTexture(), centered );

		if(mShader) mShader.unbind();
	}
	else {
		mCamera.disableStereo();

		gl::pushMatrices();
		gl::setMatrices( mCamera.getCamera() );
		render();
		gl::popMatrices();
	
		// draw user interface
		mUserInterface.draw("Perspective Projection");
	}

	// fade in at start of application
	gl::enableAlphaBlending();
	double t = math<double>::clamp( mTimer.getSeconds() / 3.0, 0.0, 1.0 );
	float a = ci::lerp<float>(1.0f, 0.0f, (float) t);

	if( a > 0.0f ) {
		gl::color( ColorA(0,0,0,a) );
		gl::drawSolidRect( getWindowBounds() );
	}
	gl::disableAlphaBlending();
}
Пример #28
0
void TextTestApp::draw()
{
	// this pair of lines is the standard way to clear the screen in OpenGL
	glClearColor( 0,0,0,1 );
	glClear( GL_COLOR_BUFFER_BIT );
	
	if (flipScreen==true){
		gl::pushMatrices();
		
		gl::scale( Vec3f(-1, 1, 1) );
		gl::translate( Vec2f(-ci::app::getWindowWidth(), 0 ) );
		gl::translate( Vec3f(-1, 1, 1) );
	}

	gl::enableAlphaBlending();
	gl::enableAdditiveBlending();

	mbackground.draw();

	drawSkeleton();

	// FONT NOW GETS RENDERED AFTER SCENE SO WE CAN OVERRIDE DRAW OPERATION IF REQUIRED
	currentScene->draw();

	myFont.draw();	
	
	// kill this all and refresh
	gl::disableAlphaBlending();
	gl::enableAdditiveBlending();

	// store our viewport, so we can restore it later
	Area viewport = gl::getViewport();

	// render a simple scene into mFboScene
	gl::setViewport( mFboScene.getBounds() );
	mFboScene.bindFramebuffer();
		gl::pushMatrices();
		gl::setMatricesWindow( viewport.getWidth(), viewport.getHeight(), false );
			gl::clear( ColorA( 0,0,0,1 ));
			fgParticles.draw();
			//gl::drawSolidCircle( Vec2f(50,50), 20 );
			//gl::draw( mFboScene.getTexture() );//TODO - screenshot?
		gl::popMatrices();
	mFboScene.unbindFramebuffer();

	// bind the blur shader
	mShaderBlur.bind();
	mShaderBlur.uniform("tex0", 0); // use texture unit 0
 
	// tell the shader to blur horizontally and the size of 1 pixel
	mShaderBlur.uniform("sampleOffset", Vec2f(1.0f/mFboBlur1.getWidth(), 0.0f));

	// copy a horizontally blurred version of our scene into the first blur Fbo
	
	gl::setViewport( mFboBlur1.getBounds() );
	mFboBlur1.bindFramebuffer();
		mFboScene.bindTexture(0);
		gl::pushMatrices();
			gl::setMatricesWindow( viewport.getWidth(), viewport.getHeight(), false );
			gl::clear( Color::black() );
			gl::drawSolidRect( mFboBlur1.getBounds() );
		gl::popMatrices();
		mFboScene.unbindTexture();
	mFboBlur1.unbindFramebuffer();

 
	// tell the shader to blur vertically and the size of 1 pixel
	mShaderBlur.uniform("sampleOffset", Vec2f(0.0f, 1.0f/mFboBlur2.getHeight()));

	// copy a vertically blurred version of our blurred scene into the second blur Fbo
	gl::setViewport( mFboBlur2.getBounds() );
	mFboBlur2.bindFramebuffer();
		mFboBlur1.bindTexture(0);
		gl::pushMatrices();
			gl::setMatricesWindow( viewport.getWidth(), viewport.getHeight(), false );
			gl::clear( Color::black() );
			gl::drawSolidRect( mFboBlur2.getBounds() );
		gl::popMatrices();
		mFboBlur1.unbindTexture();
	mFboBlur2.unbindFramebuffer();

	// unbind the shader
	mShaderBlur.unbind();

	// restore the viewport
	gl::setViewport( viewport );
	// because the Fbo's have their origin in the LOWER-left corner,
	// flip the Y-axis before drawing
	gl::pushModelView();
	gl::translate( Vec2f(0, 0 ) );// viewport.getHeight() ) );
	gl::scale( Vec3f(1, 1, 1) );

	// draw the 3 Fbo's 
	//gl::color( Color::white() );
	//gl::draw( mFboScene.getTexture(), Rectf(0, 0, 256, 256) );
	//gl::draw( mFboBlur1.getTexture(), Rectf(260, 0, 260 + 256, 256) );
	//gl::draw( mFboBlur2.getTexture(), Rectf(520, 0, 520 + 256, 256) );

	// draw our scene with the blurred version added as a blend
	gl::color( Color::white() );
	
	gl::enableAdditiveBlending();
	gl::draw( mFboScene.getTexture(), Rectf(0, 0, viewport.getWidth(), viewport.getHeight() ));

	gl::draw( mFboBlur2.getTexture(), Rectf(0, 0, viewport.getWidth(), viewport.getHeight() ));
	gl::disableAlphaBlending();

	// restore the modelview matrix
	gl::popModelView();

	if (flipScreen == true){
		gl::popMatrices();
	}
	
	gl::color( Color(1.0,1.0,1.0) );
	
	
	//These are for debug only
	//drawTitleSafeArea();
	//OutlineParams::getInstance()->draw();
}
Пример #29
0
void Simulacra::blur()
{
    //    glEnable( GL_TEXTURE_2D );
    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
    Area viewport = gl::getViewport();

    // render a simple scene into mFboScene
    gl::setViewport( sceneFBO.getBounds() );
    sceneFBO.bindFramebuffer();
    //        gl::pushMatrices();
    //            gl::setMatricesWindow(FBO_WIDTH, FBO_HEIGHT, false);
    gl::clear( ColorA(0,0,0,0) );
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
    gl::pushMatrices();
    gl::setMatrices(camera);
    try{
        //Draw points
        synthMenu->drawTerrain();
        synthMenu->drawSynths();
    } catch(...) {
        std::cout << "drawing error!" << std::endl;
    }
    gl::popMatrices();
    sceneFBO.unbindFramebuffer();


    // bind the blur shader
    blurShader.bind();
    blurShader.uniform("tex0", 0); // use texture unit 0

    // tell the shader to blur horizontally and the size of 1 pixel
    blurShader.uniform("sampleOffset", Vec2f(1.0f/blurFBO1.getWidth(), 0.0f));

    //FIRST PASS
    // copy a horizontally blurred version of our scene into the first blur Fbo
    gl::setViewport( blurFBO1.getBounds() );
    blurFBO1.bindFramebuffer();
    sceneFBO.bindTexture(0);
    gl::pushMatrices();
    gl::setMatricesWindow(FBO_WIDTH, FBO_HEIGHT, false);
    gl::clear( ColorA(0,0,0,0) );
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
    glColor4f(1,1,1,1);
    gl::drawSolidRect( blurFBO1.getBounds() );
    gl::popMatrices();
    sceneFBO.unbindTexture();
    blurFBO1.unbindFramebuffer();

    // tell the shader to blur vertically and the size of 1 pixel
    blurShader.uniform("sampleOffset", Vec2f(0.0f, 1.0f/blurFBO2.getHeight()));

    // copy a vertically blurred version of our blurred scene into the second blur Fbo
    gl::setViewport( blurFBO2.getBounds() );
    blurFBO2.bindFramebuffer();
    blurFBO1.bindTexture(0);
    gl::pushMatrices();
    gl::setMatricesWindow(FBO_WIDTH, FBO_HEIGHT, false);
    gl::clear( ColorA(0,0,0,0) );
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
    glColor4f(1,1,1,1);
    gl::drawSolidRect( blurFBO2.getBounds() );
    gl::popMatrices();
    blurFBO1.unbindTexture();
    blurFBO2.unbindFramebuffer();

    //SECOND PASS
    // copy a horizontally blurred version of our scene into the first blur Fbo
    blurShader.uniform("sampleOffset", Vec2f(1.0f/blurFBO1.getWidth(), 0.0f));
    gl::setViewport( blurFBO1.getBounds() );
    blurFBO1.bindFramebuffer();
    blurFBO2.bindTexture(0);
    gl::pushMatrices();
    gl::setMatricesWindow(FBO_WIDTH, FBO_HEIGHT, false);
    gl::clear( ColorA(0,0,0,0) );
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
    glColor4f(1,1,1,1);
    gl::drawSolidRect( blurFBO1.getBounds() );
    gl::popMatrices();
    blurFBO2.unbindTexture();
    blurFBO1.unbindFramebuffer();

    // tell the shader to blur vertically and the size of 1 pixel
    blurShader.uniform("sampleOffset", Vec2f(0.0f, 1.0f/blurFBO2.getHeight()));

    // copy a vertically blurred version of our blurred scene into the second blur Fbo
    gl::setViewport( blurFBO2.getBounds() );
    blurFBO2.bindFramebuffer();
    blurFBO1.bindTexture(0);
    gl::pushMatrices();
    gl::setMatricesWindow(FBO_WIDTH, FBO_HEIGHT, false);
    gl::clear( ColorA(0,0,0,0) );
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
    glColor4f(1,1,1,1);
    gl::drawSolidRect( blurFBO2.getBounds() );
    gl::popMatrices();
    blurFBO1.unbindTexture();
    blurFBO2.unbindFramebuffer();

    if(section == 1)
    {
        //SECOND PASS
        // copy a horizontally blurred version of our scene into the first blur Fbo
        blurShader.uniform("sampleOffset", Vec2f(3.0f/blurFBO1.getWidth(), 0.0f));
        gl::setViewport( blurFBO1.getBounds() );
        blurFBO1.bindFramebuffer();
        blurFBO2.bindTexture(0);
        gl::pushMatrices();
        gl::setMatricesWindow(FBO_WIDTH, FBO_HEIGHT, false);
        gl::clear( ColorA(0,0,0,0) );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
        glColor4f(1,1,1,1);
        gl::drawSolidRect( blurFBO1.getBounds() );
        gl::popMatrices();
        blurFBO2.unbindTexture();
        blurFBO1.unbindFramebuffer();

        // tell the shader to blur vertically and the size of 1 pixel
        blurShader.uniform("sampleOffset", Vec2f(0.0f, 3.0f/blurFBO2.getHeight()));

        // copy a vertically blurred version of our blurred scene into the second blur Fbo
        gl::setViewport( blurFBO2.getBounds() );
        blurFBO2.bindFramebuffer();
        blurFBO1.bindTexture(0);
        gl::pushMatrices();
        gl::setMatricesWindow(FBO_WIDTH, FBO_HEIGHT, false);
        gl::clear( ColorA(0,0,0,0) );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
        glColor4f(1,1,1,1);
        gl::drawSolidRect( blurFBO2.getBounds() );
        gl::popMatrices();
        blurFBO1.unbindTexture();
        blurFBO2.unbindFramebuffer();
    }

    // unbind the shader
    blurShader.unbind();

    //gl::translate(0,0,250);

    gl::setViewport( viewport );
    glEnable(GL_BLEND);
    glBlendFunc (GL_SRC_ALPHA,GL_ONE);
    // draw our scene with the blurred version added as a blend
    glColor4f(1,1,1,1);
    //

    gl::enableAlphaBlending(true);

    if(section==1)
    {
        finalFBO.bindFramebuffer();
    }
    gl::clear(ColorA(0,0,0,1));
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

    if(section!=1)
    {
        gl::pushMatrices();
        gl::setMatrices(camera);
        synthMenu->drawTerrain();
        synthMenu->drawSynths();
        gl::popMatrices();

    }
    gl::enableAdditiveBlending();

    if(section == 1 || section == 2 || section == 3)
    {
        //        gl::enableAlphaBlending(true);
        gl::draw( blurFBO2.getTexture(), getWindowBounds() );
        gl::draw( blurFBO2.getTexture(), getWindowBounds() );
        gl::draw( blurFBO2.getTexture(), getWindowBounds() );
        gl::draw( blurFBO2.getTexture(), getWindowBounds() );
    }
    gl::draw( blurFBO2.getTexture(), getWindowBounds() );

    gl::disableAlphaBlending();
    if(section==1)
    {
        finalFBO.unbindFramebuffer();
    }
}