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();
}
}
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();
}
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();
}
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;
}
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());
}
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 );
}
// 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();
}
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 );
}
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 );
}
// 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() );
}
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() );
}
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();
}
}
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() );
}
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();
}
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();
}
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();
}
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();
}
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();
}
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();
}
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();
}
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();
}
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();
}
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();
}
}