void PostProcessing::init(unsigned width, unsigned height)
{
this->width = width;
this->height = height;
ofFbo::Settings s;
s.width = ofNextPow2(width);
s.height = ofNextPow2(height);
s.textureTarget = GL_TEXTURE_2D;
// no need to use depth for ping pongs
for (int i = 0; i < 2; ++i)
{
pingPong[i].allocate(s);
}
s.useDepth = true;
s.depthStencilInternalFormat = GL_DEPTH_COMPONENT24;
s.depthStencilAsTexture = true;
raw.allocate(s);
numPasses = 0;
currentReadFbo = 0;
flip = true;
}
//----------------------------------------------------------
void ofTexture::allocate(int w, int h, int internalGlDataType, bool bUseARBExtention){
//our graphics card might not support arb so we have to see if it is supported.
#ifndef TARGET_OPENGLES
if (bUseARBExtention && GL_ARB_texture_rectangle){
texData.tex_w = w;
texData.tex_h = h;
texData.tex_t = w;
texData.tex_u = h;
texData.textureTarget = GL_TEXTURE_RECTANGLE_ARB;
} else
#endif
{
//otherwise we need to calculate the next power of 2 for the requested dimensions
//ie (320x240) becomes (512x256)
texData.tex_w = ofNextPow2(w);
texData.tex_h = ofNextPow2(h);
texData.tex_t = w / texData.tex_w;
texData.tex_u = h / texData.tex_h;
texData.textureTarget = GL_TEXTURE_2D;
}
texData.glTypeInternal = internalGlDataType;
// get the glType (format) and pixelType (type) corresponding to the glTypeInteral (internalFormat)
ofGetGlFormatAndType(texData.glTypeInternal, texData.glType, texData.pixelType);
// attempt to free the previous bound texture, if we can:
clear();
glGenTextures(1, (GLuint *)&texData.textureID); // could be more then one, but for now, just one
retain(texData.textureID);
glEnable(texData.textureTarget);
glBindTexture(texData.textureTarget, (GLuint)texData.textureID);
#ifndef TARGET_OPENGLES
// can't do this on OpenGL ES: on full-blown OpenGL,
// glInternalFormat and glFormat (GL_LUMINANCE below)
// can be different; on ES they must be exactly the same.
// glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, (GLint)texData.tex_w, (GLint)texData.tex_h, 0, GL_LUMINANCE, PIXEL_TYPE, 0); // init to black...
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, (GLint)texData.tex_w, (GLint)texData.tex_h, 0, texData.glType, texData.pixelType, 0); // init to black...
#else
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, texData.tex_w, texData.tex_h, 0, texData.glTypeInternal, texData.pixelType, 0);
#endif
glTexParameterf(texData.textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisable(texData.textureTarget);
texData.width = w;
texData.height = h;
texData.bFlipTexture = false;
texData.bAllocated = true;
}
void ofTexture::allocate(const ofTextureData & textureData){
if( textureData.width <= 0.0 || textureData.height <= 0.0 ){
ofLogError() << "ofTexture::allocate - the ofTextureData structure passed must be set with a width and height.";
return;
}
texData = textureData;
//our graphics card might not support arb so we have to see if it is supported.
#ifndef TARGET_OPENGLES
if( texData.textureTarget==GL_TEXTURE_RECTANGLE_ARB && GL_ARB_texture_rectangle ){
texData.tex_t = texData.width;
texData.tex_u = texData.height;
texData.tex_w = texData.width;
texData.tex_h = texData.height;
}else
#endif
{
//otherwise we need to calculate the next power of 2 for the requested dimensions
//ie (320x240) becomes (512x256)
texData.tex_w = ofNextPow2(texData.width);
texData.tex_h = ofNextPow2(texData.height);
texData.tex_t = texData.width / texData.tex_w;
texData.tex_u = texData.height / texData.tex_h;
texData.textureTarget = GL_TEXTURE_2D;
}
// attempt to free the previous bound texture, if we can:
clear();
glGenTextures(1, (GLuint *)&texData.textureID); // could be more then one, but for now, just one
retain(texData.textureID);
glEnable(texData.textureTarget);
glBindTexture(texData.textureTarget, (GLuint)texData.textureID);
#ifndef TARGET_OPENGLES
// can't do this on OpenGL ES: on full-blown OpenGL,
// glInternalFormat and glFormat (GL_LUMINANCE below)
// can be different; on ES they must be exactly the same.
// glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, (GLint)texData.tex_w, (GLint)texData.tex_h, 0, GL_LUMINANCE, PIXEL_TYPE, 0); // init to black...
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, (GLint)texData.tex_w, (GLint)texData.tex_h, 0, texData.glType, texData.pixelType, 0); // init to black...
#else
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, texData.tex_w, texData.tex_h, 0, texData.glTypeInternal, texData.pixelType, 0);
#endif
glTexParameterf(texData.textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisable(texData.textureTarget);
texData.bAllocated = true;
}
void ofFbo::createAndAttachDepthStencilTexture(GLenum target, GLint internalformat, GLenum format, GLenum type, GLenum attachment){
glGenTextures(1, &depthBufferTex.texData.textureID);
//retainRB(depthBuffer);
glBindTexture(target, depthBufferTex.texData.textureID);
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
#ifndef TARGET_OPENGLES
glTexParameterf( target, GL_TEXTURE_WRAP_S, GL_CLAMP );
glTexParameterf( target, GL_TEXTURE_WRAP_T, GL_CLAMP );
#else
glTexParameterf( target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
glTexParameterf( target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
#endif
int textureW = settings.width;
int textureH = settings.height;
//we have to do all the power-of-two calculations are self.
//most of below should be done in ofTexture - so this is all a bit of a hack for now.
if( target == GL_TEXTURE_2D ){
textureW = ofNextPow2(textureW);
textureH = ofNextPow2(textureH);
}
glTexImage2D( target, 0, internalformat, textureW, textureH, 0, format, type, 0 );
glBindTexture( target, 0 );
// allocate depthBufferTex as depth buffer;
depthBufferTex.texData.glTypeInternal = internalformat;
depthBufferTex.texData.glType = format;
depthBufferTex.texData.pixelType = type;
depthBufferTex.texData.textureTarget = target;
depthBufferTex.texData.bFlipTexture = false;
depthBufferTex.texData.tex_w = textureW;
depthBufferTex.texData.tex_h = textureH;
depthBufferTex.texData.width = settings.width;
depthBufferTex.texData.height = settings.height;
if( target == GL_TEXTURE_2D ){
depthBufferTex.texData.tex_t = ofMap(settings.width, 0, depthBufferTex.texData.tex_w, 0, 1, true);
depthBufferTex.texData.tex_u = ofMap(settings.height, 0, depthBufferTex.texData.tex_h, 0, 1, true);
}else{
depthBufferTex.texData.tex_t = textureW;
depthBufferTex.texData.tex_u = textureH;
}
depthBufferTex.texData.bAllocated = true;
glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, target, depthBufferTex.texData.textureID, 0);
}
GLuint ofFbo::createAndAttachRenderbuffer(GLenum internalFormat, GLenum attachmentPoint) {
GLuint buffer;
glGenRenderbuffers(1, &buffer);
glBindRenderbuffer(GL_RENDERBUFFER, buffer);
#ifndef TARGET_OPENGLES
if(settings.numSamples==0) glRenderbufferStorage(GL_RENDERBUFFER, internalFormat, settings.width, settings.height);
else glRenderbufferStorageMultisample(GL_RENDERBUFFER, settings.numSamples, internalFormat, settings.width, settings.height);
#else
glRenderbufferStorage(GL_RENDERBUFFER, internalFormat, ofNextPow2(settings.width), ofNextPow2(settings.height));
#endif
glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachmentPoint, GL_RENDERBUFFER, buffer);
return buffer;
}
ofTexture& ofFbo::getTextureReference(int attachmentPoint) {
updateTexture(attachmentPoint);
ofTexture & ref = textures[attachmentPoint];
//TODO: this should be cached!!!!
if( ref.texData.textureTarget == GL_TEXTURE_2D ){
ref.texData.tex_t = ofMap(ref.getWidth(), 0, ofNextPow2(ref.getWidth()), 0, 1, true);
ref.texData.tex_u = ofMap(ref.getHeight(), 0, ofNextPow2(ref.getHeight()), 0, 1, true);
}else{
ref.texData.tex_t = ref.getWidth();
ref.texData.tex_u = ref.getHeight();
}
return ref;
}
//----------------------------------------------------------
void ofTextureBak::allocate(int w, int h, int internalGlDataType){
// can pass in anything (320x240) (10x5)
// here we make it power of 2 for opengl (512x256), (16x8)
if (GLEE_ARB_texture_rectangle){
tex_w = w;
tex_h = h;
} else {
tex_w = ofNextPow2(w);
tex_h = ofNextPow2(h);
}
if (GLEE_ARB_texture_rectangle){
tex_t = w;
tex_u = h;
} else {
tex_t = 1.0f;
tex_u = 1.0f;
}
// attempt to free the previous bound texture, if we can:
clear();
glGenTextures(1, (GLuint *)textureName); // could be more then one, but for now, just one
glEnable(textureTarget);
glBindTexture(textureTarget, (GLuint)textureName[0]);
glTexImage2D(textureTarget, 0, internalGlDataType, tex_w, tex_h, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, 0); // init to black...
glTexParameterf(textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameterf(textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisable(textureTarget);
width = w;
height = h;
bFlipTexture = false;
}
//--------------------------------------------------------------
void testApp::setup() {
ofBackground(0, 0, 0);
ofSetVerticalSync(true);
// billboard particles
for (int i=0; i<NUM_BILLBOARDS; i++) {
pos[i].x = ofRandomWidth();
pos[i].y = ofRandomHeight();
vel[i].x = ofRandomf();
vel[i].y = ofRandomf();
home[i] = pos[i];
pointSizes[i] = ofNextPow2(ofRandom(2, 40));
rotations[i] = ofRandom(0, 360);
}
// set the vertex data
vbo.setVertexData(pos, NUM_BILLBOARDS, GL_DYNAMIC_DRAW);
shader.load("shaders/BillboardExample");
// yes its a fly!
ofDisableArbTex();
texture.loadImage("images/fly.png");
}
//---------------------------------------------------------
void ofSoundStreamSetup(int nOutputs, int nInputs, ofBaseApp * OFSA, int sampleRate, int bufferSize, int nBuffers){
nInputChannels = nInputs;
nOutputChannels = nOutputs;
int device = 0; // default
OFSAptr = OFSA;
bufferSize = ofNextPow2(bufferSize); // must be pow2
try {
audio = new RtAudio();
audio->openStream( device, nOutputs, device, nInputs, RTAUDIO_FLOAT32,
sampleRate, &bufferSize, nBuffers);
} catch (RtError &error) {
error.printMessage();
//std::exit(EXIT_FAILURE); // need case here
}
try {
audio->setStreamCallback(&receiveAudioBufferAndCallSimpleApp, (void *)NULL);
audio->startStream();
} catch (RtError &error) {
error.printMessage();
}
}
//------------------------------------------------------------------------------
bool ofRtAudioSoundStream::setup(int outChannels, int inChannels, int _sampleRate, int _bufferSize, int nBuffers){
if( audio != NULL ){
close();
}
nInputChannels = inChannels;
nOutputChannels = outChannels;
sampleRate = _sampleRate;
tickCount = 0;
bufferSize = ofNextPow2(_bufferSize); // must be pow2
try {
audio = shared_ptr<RtAudio>(new RtAudio());
} catch (RtError &error) {
error.printMessage();
return false;
}
RtAudio::StreamParameters outputParameters;
RtAudio::StreamParameters inputParameters;
if(nInputChannels>0){
if( inDeviceID >= 0 ){
inputParameters.deviceId = inDeviceID;
}else{
inputParameters.deviceId = audio->getDefaultInputDevice();
}
inputParameters.nChannels = nInputChannels;
}
if(nOutputChannels>0){
if( outDeviceID >= 0 ){
outputParameters.deviceId = outDeviceID;
}else{
outputParameters.deviceId = audio->getDefaultOutputDevice();
}
outputParameters.nChannels = nOutputChannels;
}
unsigned int bufferFrames = (unsigned int)bufferSize; // 256 sample frames
RtAudio::StreamOptions options;
options.flags = RTAUDIO_SCHEDULE_REALTIME;
options.numberOfBuffers = nBuffers;
options.priority = 1;
outputBuffer.setDeviceID(outDeviceID);
inputBuffer.setDeviceID(inDeviceID);
try {
audio ->openStream( (nOutputChannels>0)?&outputParameters:NULL, (nInputChannels>0)?&inputParameters:NULL, RTAUDIO_FLOAT32,
sampleRate, &bufferFrames, &rtAudioCallback, this, &options);
audio->startStream();
} catch (RtError &error) {
error.printMessage();
return false;
}
return true;
}
//---------------------------------------------------------------------------------
void videoBlob::set(ofxCvBlob myBlob, ofxCvColorImage myImage, ofxCvGrayscaleImage myMask){
memcpy(&blob, &myBlob, sizeof(ofxCvBlob));
// now, let's get the data in,
int w = blob.boundingRect.width;
int h = blob.boundingRect.height;
int imgw = myImage.width;
int imgh = myImage.height;
int imgx = blob.boundingRect.x;
int imgy = blob.boundingRect.y;
unsigned char * blobRGBA = new unsigned char [ w * h * 4 ];
unsigned char * colorPixels = myImage.getPixels();
unsigned char * grayPixels = myMask.getPixels();
for (int i = 0; i < w; i++){
for (int j = 0; j < h; j++){
int posTex = (j * w + i)*4;
int posGray = ((j+imgy)*imgw + (i + imgx));
int posCol = posGray * 3;
blobRGBA[posTex + 0] = colorPixels[posCol + 0];
blobRGBA[posTex + 1] = colorPixels[posCol + 1];
blobRGBA[posTex + 2] = colorPixels[posCol + 2];
blobRGBA[posTex + 3] = grayPixels[posGray];
}
}
// myTexture.clear();
// myTexture.allocate(w,h,GL_RGBA);
unsigned char * black = new unsigned char [ofNextPow2(w) * ofNextPow2(h) * 4];
memset(black, 0, ofNextPow2(w) * ofNextPow2(h) * 4);
// myTexture.loadData(black, ofNextPow2(w), ofNextPow2(h), GL_RGBA);
// myTexture.loadData(blobRGBA, w, h, GL_RGBA);
delete black;
delete blobRGBA;
pos.x = blob.centroid.x;
pos.y = blob.centroid.y;
scale = 1;
angle = 0;
}
LoopControl::LoopControl(InterfaceListener *_listener, int _id, int _x, int _y, int w, int h, sharedDataContainer *_data) :
InterfaceObject(_listener, _id, _x, _y), data(_data) {
setWidth(w);
setHeight(h);
maxCaretDist = w * 0.3;
minCaretDist = w * 0.05;
caretDistRange = maxCaretDist - minCaretDist;
setIsInteractive(true);
ofFbo::Settings settings;
settings.width = ofNextPow2(w);
settings.height = ofNextPow2(h);
fboWidth = settings.width;
fboHeight = settings.height;
settings.useDepth = false;
settings.useStencil = false;
waveFBO.allocate(settings);
reset();
}
void Pixelate::setup() {
// set fbo settings
ofFbo::Settings s;
s.width = ofNextPow2(w);
s.height = ofNextPow2(h);
s.textureTarget = GL_TEXTURE_2D;
s.useDepth = true;
s.depthStencilInternalFormat = GL_DEPTH_COMPONENT24;
s.depthStencilAsTexture = true;
// allocate fbos
// readFbo.allocate(w, h, GL_RGB);
// writeFbo.allocate(w, h, GL_RGB);
readFbo.allocate(s);
writeFbo.allocate(s);
readFbo.begin();
ofClear(255,255,255, 0);
readFbo.end();
writeFbo.begin();
ofClear(255,255,255,0);
writeFbo.end();
// setup shader
string fragShaderSrc = STRINGIFY(
uniform sampler2D tex;
uniform float xPixels;
uniform float yPixels;
void main()
{
vec2 texCoords = vec2(floor(gl_TexCoord[0].s * xPixels) / xPixels, floor(gl_TexCoord[0].t * yPixels) / yPixels);
gl_FragColor = texture2D(tex, texCoords);
}
void ofxFFTBase::setBufferSize(int value) {
int bufferSizeNew = ofNextPow2(value);
if(bufferSize == bufferSizeNew) {
return;
}
bufferSize = bufferSizeNew;
binSize = (int)(bufferSize * 0.5);
killFFT();
initFFT();
initAudioData(fftData, bufferSize);
}
void ofxFFTBase :: setNoOfBands( int value )
{
int audioNoOfBandsNew;
audioNoOfBandsNew = ofNextPow2( value );
if( audioNoOfBands == audioNoOfBandsNew )
return;
audioNoOfBands = OFX_FFT_NO_OF_BANDS;
audioNoOfBandsHalf = (int)( audioNoOfBands * 0.5 );
killFFT();
initFFT();
initAudioData( rawData, getNoOfBands() );
initAudioData( fftData, getNoOfBands() );
}
//---------------------------------------------------------
void ofSoundStreamSetup(int nOutputs, int nInputs, ofBaseApp * OFSA, int sampleRate, int bufferSize, int nBuffers){
nInputChannels = nInputs;
nOutputChannels = nOutputs;
OFSAptr = OFSA;
bufferSize = ofNextPow2(bufferSize); // must be pow2
try {
audio = new RtAudio();
} catch (RtError &error) {
error.printMessage();
//std::exit(EXIT_FAILURE); // need case here
}
RtAudio::StreamParameters * outputParameters=NULL;
if(nOutputChannels >0){
outputParameters = new RtAudio::StreamParameters();
outputParameters->deviceId = audio->getDefaultOutputDevice();
outputParameters->nChannels = nOutputChannels;
}
RtAudio::StreamParameters * inputParameters = NULL;
if(nInputChannels>0){
inputParameters = new RtAudio::StreamParameters;
inputParameters->deviceId = audio->getDefaultInputDevice();
inputParameters->nChannels = nInputChannels;
}
unsigned int bufferFrames = (unsigned int)bufferSize; // 256 sample frames
RtAudio::StreamOptions options;
options.flags = RTAUDIO_SCHEDULE_REALTIME;
options.numberOfBuffers = nBuffers;
options.priority = 1;
try {
audio ->openStream( outputParameters, inputParameters, RTAUDIO_FLOAT32,
sampleRate, &bufferFrames, &receiveAudioBufferAndCallSimpleApp, &options);
audio->startStream();
} catch (RtError &error) {
error.printMessage();
}
}
void ofApp::initSound(string path) {
killSound();
bool bLoaded = soundPlayer.load(path);
if(bLoaded == false) {
return;
}
sessionDir = ofGetTimestampString("%Y%m%d%H%M%S");
bool bCreatedDir = ofDirectory::createDirectory(sessionDir);
if(bCreatedDir == false) {
return;
}
ofFile file(path);
soundBaseName = file.getBaseName();
soundFileName = file.getFileName();
file.copyTo(sessionDir + "/" + soundFileName);
fft.startFrameSync(&soundPlayer, numOfSoundFramesPerSecond);
int numOfSoundPixelsTotal = numOfPixelsPerSoundFrame * fft.frameSyncTotal;
int soundImageSize = sqrt(numOfSoundPixelsTotal);
soundImageSize = ofNextPow2(soundImageSize);
soundImage.allocate(soundImageSize, soundImageSize, OF_IMAGE_GRAYSCALE);
soundImage.setColor(ofColor(0, 255));
soundImage.update();
ofRectangle screenRect(0, 0, ofGetWidth(), ofGetHeight());
ofRectangle soundImageRect(0, 0, soundImageSize, soundImageSize);
soundImageRect.scaleTo(screenRect, OF_ASPECT_RATIO_KEEP);
soundImageRect.x = (int)soundImageRect.x;
soundImageRect.y = (int)soundImageRect.y;
soundImageRect.width = (int)soundImageRect.width;
soundImageRect.height = (int)soundImageRect.height;
float soundImageScale = soundImageRect.width / (float)soundImageSize;
soundImageMat.makeIdentityMatrix();
soundImageMat.preMultTranslate(ofVec3f(soundImageRect.x, soundImageRect.y));
soundImageMat.preMultScale(ofVec3f(soundImageScale, soundImageScale, 1));
ofSetFrameRate(10000);
ofSetVerticalSync(false);
}
bool ofxFontStash::setup( string fontFile, float lineHeightPercent , int texDimension /*has to be powerfOfTwo!*/){
if (stash == NULL){
lineHeight = lineHeightPercent;
texDimension = ofNextPow2(texDimension);
stash = sth_create(texDimension,texDimension);
stashFontID = sth_add_font( stash, ofToDataPath( fontFile ).c_str() );
if ( stashFontID != 0){
ofLogNotice("ofxFontStash", "loaded font '%s' in texture (%d x %d)", fontFile.c_str(), texDimension, texDimension );
return true;
}else{
ofLogError("ofxFontStash", "Can't load font! '%s'", fontFile.c_str() );
}
}else{
ofLogError("ofxFontStash", "don't call setup() more than once! %s", fontFile.c_str() );
}
return false;
}
bool ofxFontStash::setup(string firstFontFile, float lineHeightPercent , int _texDimension /*has to be powerfOfTwo!*/,
bool createMipMaps, int intraCharPadding, float dpiScale_){
if (stash == NULL){
dpiScale = dpiScale_;
extraPadding = intraCharPadding;
lineHeight = lineHeightPercent;
texDimension = ofNextPow2(_texDimension);
stash = ofx_sth_create(texDimension,texDimension, createMipMaps, intraCharPadding, dpiScale);
stash->doKerning = 0; //kerning disabled by default
stash->charSpacing = 0.0; //spacing neutral by default
addFont(firstFontFile);
}else{
ofLogError("ofxFontStash") << "don't call setup() more than once!";
}
return false;
}
//--------------------------------------------------------------
void testApp::update() {
float t = (ofGetElapsedTimef()) * 0.9f;
float div = 250.0;
for (int i=0; i<NUM_BILLBOARDS; i++) {
// noise
ofVec3f vec(ofSignedNoise(t, billboardVerts[i].y/div, billboardVerts[i].z/div),
ofSignedNoise(billboardVerts[i].x/div, t, billboardVerts[i].z/div),
ofSignedNoise(billboardVerts[i].x/div, billboardVerts[i].y/div, t));
vec *= 0.3f;
billboardVels[i] += vec;
billboardVerts[i] += billboardVels[i];
billboardVels[i] *= 0.94f;
billboardColor[i].a -= 0.002;
billboardSize[i] += (billboardSizeTarget[i]-billboardSize[i]) * 0.03;
if(billboardColor[i].a <= 0.0) {
billboardColor[i].a = 1;
billboardVerts[i].set(ofRandom(-500, 500),
ofRandom(-500, 500),
ofRandom(-500, 500));
// faster to have a power of 2
billboardSize[i] = 0;
billboardSizeTarget[i] = ofNextPow2(ofRandom(4, 64));
}
}
// move the camera around
float mx = (float)mouseX/(float)ofGetWidth();
float my = (float)mouseY/(float)ofGetHeight();
ofVec3f des(mx * 360.0, my * 360.0, 0);
cameraRotation += (des-cameraRotation) * 0.03;
zoom += (zoomTarget - zoom) * 0.03;
}
void faceColorToTexture(ofMesh& mesh, ofImage& image)
{
vector<ofFloatColor> &color = mesh.getColors();
int num_face = color.size() / 3;
int tex_size = ofNextPow2(ceil(sqrt(num_face)));
bool arb = ofGetUsingArbTex();
ofDisableArbTex();
image.allocate(tex_size, tex_size, OF_IMAGE_COLOR);
if (arb) ofEnableArbTex();
mesh.clearTexCoords();
image.getPixelsRef().set(0);
float texel_size = (1. / image.getWidth()) * 0.5;
for (int i = 0; i < num_face; i++)
{
int u = (i % tex_size);
int v = (i / tex_size);
ofColor c = color[i * 3];
image.setColor(u, v, c);
float uu = (float)u / image.getWidth() + texel_size;
float vv = (float)v / image.getHeight() + texel_size;
mesh.addTexCoord(ofVec2f(uu, vv));
mesh.addTexCoord(ofVec2f(uu, vv));
mesh.addTexCoord(ofVec2f(uu, vv));
}
image.update();
mesh.clearColors();
}
//--------------------------------------------------------------
void testApp::setup() {
ofBackground(0, 0, 0);
ofSetVerticalSync(true);
ofSetLineWidth(3.0);
cameraRotation = 0;
zoom = -500;
zoomTarget = 200;
// ------------------------- billboard particles
for (int i=0; i<NUM_BILLBOARDS; i++) {
billboardVels[i].set(ofRandomf(), -1.0, ofRandomf());
billboardVerts[i].set(ofRandom(-500, 500),
ofRandom(-500, 500),
ofRandom(-500, 500));
billboardColor[i].set(1, 0, 0, ofRandomuf());
billboardSize[i] = 0;
billboardSizeTarget[i] = ofNextPow2(ofRandom(4, 24)); // faster to have a power of 2
}
billboardVbo.setVertexData(billboardVerts, NUM_BILLBOARDS, GL_DYNAMIC_DRAW);
billboardVbo.setColorData(billboardColor, NUM_BILLBOARDS, GL_DYNAMIC_DRAW);
// load the bilboard shader
// this is used to change the
// size of the particle
billboardShader.load("shaders/BillboardExample");
// we need to disable ARB textures
// because we are binding ourselfs
ofDisableArbTex();
texture.loadImage("images/dot.png");
}
//--------------------------------------------------------------
void FrameSequenceExtractor::setup(){
ofBackground(255,255,255);
ofSetVerticalSync(true);
frameByframe = false;
passNum = 0;
// Uncomment this to show movies with alpha channels
// fingerMovie.setPixelFormat(OF_PIXELS_RGBA);
gui.setup();
gui.add(fadeFrames.setup("Fade Frames",120,0,360));
gui.add(inAtPercent.setup("In at %",0,0,100));
gui.add(outAtPercent.setup("Out at %",100,0,100));
gui.add(testAtPercent.setup("Test at %",1,0,100));
gui.add(brightnessSlider.setup("Brightness",50,0,100));
gui.add(contrastSlider.setup("Contrast",50,0,100));
gui.add(blackSlider.setup("BlackLevel",0,0,90));
gui.add(whiteSlider.setup("WhiteLevel",100,10,100));
gui.add(redSlider.setup("R Scale",100,0,100));
gui.add(greenSlider.setup("G Scale",100,0,100));
gui.add(blueSlider.setup("B Scale",100,0,100));
gui.add(colorizeR.setup("Colorize R",0.5,0,1));
gui.add(colorizeG.setup("Colorize G",0.5,0,1));
gui.add(colorizeB.setup("Colorize B",0.5,0,1));
gui.add(colorizeL.setup("Colorize L",0.5,0,1));
gui.add(colorizeA.setup("Colorize Apply",0.5,0,1));
//gui.add(srcPath.setup("Source File",""));
gui.add(startButton.setup("START"));
startButton.addListener(this,&FrameSequenceExtractor::startPlayback);
// Setup post-processing chain
post.init(1280,720);
post.createPass<FxaaPass>()->setEnabled(false);
post.createPass<RGBShiftPass>()->setEnabled(false);
contrastPass = post.createPass<ContrastPass>();
contrastPass->setEnabled(false);
rgbScalePass = post.createPass<RGBScalePass>();
rgbScalePass->setEnabled(true);
levelsPass = post.createPass<BWLevelsPass>();
levelsPass->setEnabled(true);
offsetPass = post.createPass<OffsetPass>();
offsetPass->setEnabled(false);
colorizePass = post.createPass<ColorizePass>();
colorizePass->setEnabled(true);
post.createPass<GlowPass>()->setEnabled(false);
post.createPass<NoiseWarpPass>()->setEnabled(false);
post.createPass<LimbDarkeningPass>()->setEnabled(false);
post.createPass<RimHighlightingPass>()->setEnabled(false);
post.createPass<SSAOPass>()->setEnabled(false);
post.createPass<ToonPass>()->setEnabled(false);
post.setFlip(false);
lastJumpedTestFrame = 0;
ofFbo::Settings s;
s.width = ofNextPow2(1);
s.height = ofNextPow2(1024);
s.textureTarget = GL_TEXTURE_2D;
offsetFbo.allocate(s);
useEffects = false;
}
//------------------------------------------------------------------
void ofTrueTypeFont::loadFont(string filename, int fontsize, bool _bAntiAliased, bool _bFullCharacterSet, bool makeContours){
bMakeContours = makeContours;
//------------------------------------------------
if (bLoadedOk == true){
// we've already been loaded, try to clean up :
if (cps != NULL){
delete[] cps;
}
if (texNames != NULL){
for (int i = 0; i < nCharacters; i++){
glDeleteTextures(1, &texNames[i]);
}
delete[] texNames;
}
bLoadedOk = false;
}
//------------------------------------------------
filename = ofToDataPath(filename);
bLoadedOk = false;
bAntiAlised = _bAntiAliased;
bFullCharacterSet = _bFullCharacterSet;
fontSize = fontsize;
//--------------- load the library and typeface
FT_Library library;
if (FT_Init_FreeType( &library )){
ofLog(OF_LOG_ERROR," PROBLEM WITH FT lib");
return;
}
FT_Face face;
if (FT_New_Face( library, filename.c_str(), 0, &face )) {
return;
}
FT_Set_Char_Size( face, fontsize << 6, fontsize << 6, 96, 96);
lineHeight = fontsize * 1.43f;
//------------------------------------------------------
//kerning would be great to support:
//ofLog(OF_LOG_NOTICE,"FT_HAS_KERNING ? %i", FT_HAS_KERNING(face));
//------------------------------------------------------
nCharacters = bFullCharacterSet ? 256 : 128 - NUM_CHARACTER_TO_START;
//--------------- initialize character info and textures
cps = new charProps[nCharacters];
texNames = new GLuint[nCharacters];
glGenTextures(nCharacters, texNames);
if(bMakeContours){
charOutlines.clear();
charOutlines.assign(nCharacters, ofTTFCharacter());
}
//--------------------- load each char -----------------------
for (int i = 0 ; i < nCharacters; i++){
//------------------------------------------ anti aliased or not:
if(FT_Load_Glyph( face, FT_Get_Char_Index( face, (unsigned char)(i+NUM_CHARACTER_TO_START) ), FT_LOAD_DEFAULT )){
ofLog(OF_LOG_ERROR,"error with FT_Load_Glyph %i", i);
}
if (bAntiAlised == true) FT_Render_Glyph(face->glyph, FT_RENDER_MODE_NORMAL);
else FT_Render_Glyph(face->glyph, FT_RENDER_MODE_MONO);
//------------------------------------------
FT_Bitmap& bitmap= face->glyph->bitmap;
// 3 pixel border around the glyph
// We show 2 pixels of this, so that blending looks good.
// 1 pixels is hidden because we don't want to see the real edge of the texture
border = 3;
visibleBorder = 2;
if(bMakeContours){
if( printVectorInfo )printf("\n\ncharacter %c: \n", char( i+NUM_CHARACTER_TO_START ) );
//int character = i + NUM_CHARACTER_TO_START;
charOutlines[i] = makeContoursForCharacter( face );
}
// prepare the texture:
int width = ofNextPow2( bitmap.width + border*2 );
int height = ofNextPow2( bitmap.rows + border*2 );
// ------------------------- this is fixing a bug with small type
// ------------------------- appearantly, opengl has trouble with
// ------------------------- width or height textures of 1, so we
// ------------------------- we just set it to 2...
if (width == 1) width = 2;
if (height == 1) height = 2;
// -------------------------
// info about the character:
cps[i].value = i;
cps[i].height = face->glyph->bitmap_top;
cps[i].width = face->glyph->bitmap.width;
cps[i].setWidth = face->glyph->advance.x >> 6;
cps[i].topExtent = face->glyph->bitmap.rows;
cps[i].leftExtent = face->glyph->bitmap_left;
// texture internals
cps[i].tTex = (float)(bitmap.width + visibleBorder*2) / (float)width;
cps[i].vTex = (float)(bitmap.rows + visibleBorder*2) / (float)height;
cps[i].xOff = (float)(border - visibleBorder) / (float)width;
cps[i].yOff = (float)(border - visibleBorder) / (float)height;
/* sanity check:
ofLog(OF_LOG_NOTICE,"%i %i %i %i %i %i",
cps[i].value ,
cps[i].height ,
cps[i].width ,
cps[i].setWidth ,
cps[i].topExtent ,
cps[i].leftExtent );
*/
// Allocate Memory For The Texture Data.
unsigned char* expanded_data = new unsigned char[ 2 * width * height];
//-------------------------------- clear data:
for(int j=0; j <height;j++) {
for(int k=0; k < width; k++){
expanded_data[2*(k+j*width) ] = 255; // every luminance pixel = 255
expanded_data[2*(k+j*width)+1] = 0;
}
}
if (bAntiAlised == true){
//-----------------------------------
for(int j=0; j <height; j++) {
for(int k=0; k < width; k++){
if ((k<bitmap.width) && (j<bitmap.rows)){
expanded_data[2*((k+border)+(j+border)*width)+1] = bitmap.buffer[k + bitmap.width*(j)];
}
}
}
//-----------------------------------
} else {
//-----------------------------------
// true type packs monochrome info in a
// 1-bit format, hella funky
// here we unpack it:
unsigned char *src = bitmap.buffer;
for(int j=0; j <bitmap.rows;j++) {
unsigned char b=0;
unsigned char *bptr = src;
for(int k=0; k < bitmap.width ; k++){
expanded_data[2*((k+1)+(j+1)*width)] = 255;
if (k%8==0){ b = (*bptr++);}
expanded_data[2*((k+1)+(j+1)*width) + 1] =
b&0x80 ? 255 : 0;
b <<= 1;
}
src += bitmap.pitch;
}
//-----------------------------------
}
//Now we just setup some texture paramaters.
glBindTexture( GL_TEXTURE_2D, texNames[i]);
#ifndef TARGET_OF_IPHONE
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
#endif
if (bAntiAlised == true){
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
} else {
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
}
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
//Here we actually create the texture itself, notice
//that we are using GL_LUMINANCE_ALPHA to indicate that
//we are using 2 channel data.
#ifndef TARGET_OF_IPHONE // gluBuild2DMipmaps doesn't seem to exist in anything i had in the iphone build... so i commented it out
bool b_use_mipmaps = false; // FOR now this is fixed to false, could be an option, left in for legacy...
if (b_use_mipmaps){
gluBuild2DMipmaps(
GL_TEXTURE_2D, GL_LUMINANCE_ALPHA, width, height,
GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, expanded_data);
} else
#endif
{
glTexImage2D( GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA, width, height,
0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, expanded_data );
}
//With the texture created, we don't need to expanded data anymore
delete [] expanded_data;
}
// ------------- close the library and typeface
FT_Done_Face(face);
FT_Done_FreeType(library);
bLoadedOk = true;
}
// ----------------------------------------------------------------------------
float * ofxSoundGetSpectrum(int nBands)
{
ofxSoundInitialize();
// set to 0
for (int i = 0; i < 8192; i++){
fftInterpValues[i] = 0;
}
// check what the user wants vs. what we can do:
if (nBands > 8192){
ofLog(OF_LOG_ERROR, "error in ofxSoundGetSpectrum, the maximum number of bands is 8192 - you asked for %i we will return 8192", nBands);
nBands = 8192;
} else if (nBands <= 0){
ofLog(OF_LOG_ERROR, "error in ofxSoundSpectrum, you've asked for %i bands, minimum is 1", nBands);
return fftInterpValues;
}
// FMOD needs pow2
int nBandsToGet = ofNextPow2(nBands);
if (nBandsToGet < 64) nBandsToGet = 64; // can't seem to get fft of 32, etc from fmodex
// get the fft
FMOD_System_GetSpectrum(sys, fftSpectrum, nBandsToGet, 0, FMOD_DSP_FFT_WINDOW_HANNING);
// convert to db scale
for(int i = 0; i < nBandsToGet; i++){
fftValues[i] = 10.0f * (float)log10(1 + fftSpectrum[i]) * 2.0f;
}
// try to put all of the values (nBandsToGet) into (nBands)
// in a way which is accurate and preserves the data:
//
if (nBandsToGet == nBands){
for(int i = 0; i < nBandsToGet; i++){
fftInterpValues[i] = fftValues[i];
}
} else {
float step = (float)nBandsToGet / (float)nBands;
//float pos = 0;
// so for example, if nBands = 33, nBandsToGet = 64, step = 1.93f;
int currentBand = 0;
for(int i = 0; i < nBandsToGet; i++){
// if I am current band = 0, I care about (0+1) * step, my end pos
// if i > endPos, then split i with me and my neighbor
if (i >= ((currentBand+1)*step)){
// do some fractional thing here...
float fraction = ((currentBand+1)*step) - (i-1);
float one_m_fraction = 1 - fraction;
fftInterpValues[currentBand] += fraction * fftValues[i];
currentBand++;
// safety check:
if (currentBand >= nBands){
ofLog(OF_LOG_ERROR, "ofxSoundGetSpectrum - currentBand >= nBands");
}
fftInterpValues[currentBand] += one_m_fraction * fftValues[i];
} else {
// do normal things
fftInterpValues[currentBand] += fftValues[i];
}
}
// because we added "step" amount per band, divide to get the mean:
for (int i = 0; i < nBands; i++){
fftInterpValues[i] /= step;
if (fftInterpValues[i] > 1)fftInterpValues[i] = 1; // this seems "wrong"
}
}
return fftInterpValues;
}
//---------------------------------------------------------
void ofxPortaudioSoundStream::setup(int nOutputs, int nInputs, ofBaseApp * OFSA, unsigned int sampleRate, unsigned int bufferSize, unsigned int nBuffers){
//FROM PORTAUDIO WIKI
//err = Pa_Initialize();
//taken to inialised routine
cout << "ANR_PA_class: setting up with "<<nInputs << "inputs "<< " and "<<nOutputs<< " outputs and buffersize "<< bufferSize << endl;
if( err != paNoError ) goto errorLine;
if (nInputs > 0){
setInput(OFSA);
//inputParameters = new PaStreamParameters;
inputParameters.device = deviceID;
inputParameters.channelCount = nInputs;
inputParameters.sampleFormat = paFloat32;
if (inputParameters.device >= 0){
inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
}else{
cout <<"NO LATENCY PROBLEM" << endl;
}
inputParameters.hostApiSpecificStreamInfo = NULL;
cout << "set up input with "<<inputParameters.channelCount <<" channels"<<endl;
}
if (nOutputs > 0){
setOutput(OFSA);
// outputParameters = new PaStreamParameters;
outputParameters.device = deviceID;
outputParameters.channelCount = nOutputs;
outputParameters.sampleFormat = paFloat32;
if (outputParameters.device >= 0){
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowInputLatency;
}
else{
cout << "suggested output latency error!!! - " << endl;
}
outputParameters.hostApiSpecificStreamInfo = NULL;
cout << "set up output with "<<outputParameters.channelCount <<" channels"<<endl;
}
cout << "starting stream " << endl;
nInputChannels = nInputs;
nOutputChannels = nOutputs;
OFSAptr = OFSA;
bufferSize = ofNextPow2(bufferSize);
//could add in flag
// streamOptions.numberOfBuffers = nBuffers;
// streamOptions.flags = paNoFlag;// RTAUDIO_SCHEDULE_REALTIME; - from RtAudio version
// streamOptions.priority = 1;
err = Pa_OpenStream( &audio,
nInputs==0?NULL:&inputParameters,
nOutputs==0?NULL:&outputParameters,
sampleRate,
bufferSize,
paNoFlag,
&anrPaAudioCallback,//ofxPortaudioSoundStreamCallback,
this );
cout << "error text from opening is " << Pa_GetErrorText( err ) << endl;
err = Pa_StartStream( audio );
if( err != paNoError ){
ofLog(OF_LOG_ERROR,"PortAudio error: %s\n",Pa_GetErrorText( err ));
}
return;
errorLine:
cout << "got an error"<< endl;
return;
errorLineNoDevice:
cout << "got an error there's no device"<< endl;
return;
errorLineOutput:
cout << "got an error there's on output"<< endl;
return;
}
void ofTexture::allocate(const ofTextureData & textureData, int glFormat, int pixelType){
if( textureData.width <= 0.0 || textureData.height <= 0.0 ){
ofLogError("ofTexture") << "allocate(): ofTextureData has 0 width and/or height: " << textureData.width << "x" << textureData.height;
return;
}
texData = textureData;
//our graphics card might not support arb so we have to see if it is supported.
#ifndef TARGET_OPENGLES
if( texData.textureTarget==GL_TEXTURE_RECTANGLE_ARB && ofGLSupportsNPOTTextures() ){
texData.tex_w = texData.width;
texData.tex_h = texData.height;
texData.tex_t = texData.width;
texData.tex_u = texData.height;
}else
#endif
{
if(ofGLSupportsNPOTTextures()){
texData.tex_w = texData.width;
texData.tex_h = texData.height;
}else{
//otherwise we need to calculate the next power of 2 for the requested dimensions
//ie (320x240) becomes (512x256)
texData.tex_w = ofNextPow2(texData.width);
texData.tex_h = ofNextPow2(texData.height);
}
texData.tex_t = texData.width / texData.tex_w;
texData.tex_u = texData.height / texData.tex_h;
#ifndef TARGET_OPENGLES
if( texData.textureTarget==GL_TEXTURE_RECTANGLE_ARB ) texData.textureTarget = GL_TEXTURE_2D;
#endif
}
// attempt to free the previous bound texture, if we can:
clear();
glGenTextures(1, (GLuint *)&texData.textureID); // could be more then one, but for now, just one
retain(texData.textureID);
enableTextureTarget(0);
glBindTexture(texData.textureTarget, (GLuint)texData.textureID);
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, (GLint)texData.tex_w, (GLint)texData.tex_h, 0, glFormat, pixelType, 0); // init to black...
glTexParameterf(texData.textureTarget, GL_TEXTURE_MAG_FILTER, texData.magFilter);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MIN_FILTER, texData.minFilter);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_S, texData.wrapModeHorizontal);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_T, texData.wrapModeVertical);
#ifndef TARGET_PROGRAMMABLE_GL
if (!ofIsGLProgrammableRenderer()){
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
#endif
disableTextureTarget(0);
texData.bAllocated = true;
}
void PixelTexture::allocate(int w, int h, int internalGlDataType, bool bUseARBExtention){
//our graphics card might not support arb so we have to see if it is supported.
#ifndef TARGET_OPENGLES
if (bUseARBExtention && GL_ARB_texture_rectangle){
texData.tex_w = w;
texData.tex_h = h;
texData.tex_t = w;
texData.tex_u = h;
texData.textureTarget = GL_TEXTURE_RECTANGLE_ARB;
} else
#endif
{
//otherwise we need to calculate the next power of 2 for the requested dimensions
//ie (320x240) becomes (512x256)
texData.tex_w = ofNextPow2(w);
texData.tex_h = ofNextPow2(h);
texData.tex_t = 1.0f;
texData.tex_u = 1.0f;
texData.textureTarget = GL_TEXTURE_2D;
}
texData.glTypeInternal = internalGlDataType;
// MEMO: todo, add more types
switch(texData.glTypeInternal) {
#ifndef TARGET_OPENGLES
case GL_RGBA32F_ARB:
case GL_RGBA16F_ARB:
internal.glType = GL_RGBA;
internal.pixelType = GL_FLOAT;
break;
case GL_RGB32F_ARB:
internal.glType = GL_RGB;
internal.pixelType = GL_FLOAT;
break;
case GL_LUMINANCE32F_ARB:
internal.glType = GL_LUMINANCE;
internal.pixelType = GL_FLOAT;
break;
#endif
default:
internal.glType = GL_LUMINANCE;
//internal.pixelType = GL_UNSIGNED_BYTE;
}
// attempt to free the previous bound texture, if we can:
clear();
glGenTextures(1, (GLuint *)&texData.textureID); // could be more then one, but for now, just one
glEnable(texData.textureTarget);
glBindTexture(texData.textureTarget, (GLuint)texData.textureID);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_S, GL_NEAREST);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_T, GL_NEAREST);
#ifndef TARGET_OPENGLES
// can't do this on OpenGL ES: on full-blown OpenGL,
// internalGlDataType and glDataType (GL_LUMINANCE below)
// can be different; on ES they must be exactly the same.
// glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, (GLint)texData.tex_w, (GLint)texData.tex_h, 0, GL_LUMINANCE, PIXEL_TYPE, 0); // init to black...
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, (GLint) texData.tex_w, (GLint) texData.tex_h, 0, internal.glType, internal.pixelType, 0); // init to black...
#else
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, texData.tex_w, texData.tex_h, 0, texData.glTypeInternal, GL_UNSIGNED_BYTE, 0);
#endif
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisable(texData.textureTarget);
texData.width = w;
texData.height = h;
texData.bFlipTexture = false;
texData.bAllocated = true;
width = w;
height = h;
}
void ofTexture::allocate(const ofTextureData & textureData, int glFormat, int pixelType){
#ifndef TARGET_OPENGLES
if(texData.textureTarget == GL_TEXTURE_2D || texData.textureTarget == GL_TEXTURE_RECTANGLE_ARB){
#else
if(texData.textureTarget == GL_TEXTURE_2D){
#endif
if( textureData.width <= 0.0 || textureData.height <= 0.0 ){
ofLogError("ofTexture") << "allocate(): ofTextureData has 0 width and/or height: " << textureData.width << "x" << textureData.height;
return;
}
}
texData = textureData;
//our graphics card might not support arb so we have to see if it is supported.
#ifndef TARGET_OPENGLES
if( texData.textureTarget==GL_TEXTURE_RECTANGLE_ARB && ofGLSupportsNPOTTextures() ){
texData.tex_w = texData.width;
texData.tex_h = texData.height;
texData.tex_t = texData.width;
texData.tex_u = texData.height;
}else if(texData.textureTarget == GL_TEXTURE_2D)
#endif
{
if(ofGLSupportsNPOTTextures()){
texData.tex_w = texData.width;
texData.tex_h = texData.height;
}else{
//otherwise we need to calculate the next power of 2 for the requested dimensions
//ie (320x240) becomes (512x256)
texData.tex_w = ofNextPow2(texData.width);
texData.tex_h = ofNextPow2(texData.height);
}
texData.tex_t = texData.width / texData.tex_w;
texData.tex_u = texData.height / texData.tex_h;
}
// attempt to free the previous bound texture, if we can:
clear();
glGenTextures(1, (GLuint *)&texData.textureID); // could be more then one, but for now, just one
retain(texData.textureID);
#ifndef TARGET_OPENGLES
if(texData.textureTarget == GL_TEXTURE_2D || texData.textureTarget == GL_TEXTURE_RECTANGLE_ARB){
#else
if(texData.textureTarget == GL_TEXTURE_2D){
#endif
glBindTexture(texData.textureTarget,texData.textureID);
glTexImage2D(texData.textureTarget, 0, texData.glInternalFormat, (GLint)texData.tex_w, (GLint)texData.tex_h, 0, glFormat, pixelType, 0); // init to black...
glTexParameterf(texData.textureTarget, GL_TEXTURE_MAG_FILTER, texData.magFilter);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MIN_FILTER, texData.minFilter);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_S, texData.wrapModeHorizontal);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_T, texData.wrapModeVertical);
#ifndef TARGET_PROGRAMMABLE_GL
if (!ofIsGLProgrammableRenderer()){
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
#endif
glBindTexture(texData.textureTarget,0);
}
texData.bAllocated = true;
#ifdef TARGET_ANDROID
registerTexture(this);
#endif
}
void ofTexture::setRGToRGBASwizzles(bool rToRGBSwizzles){
#ifndef TARGET_OPENGLES
glBindTexture(texData.textureTarget,texData.textureID);
if(rToRGBSwizzles){
if(texData.glInternalFormat==GL_R8 ||
texData.glInternalFormat==GL_R16 ||
texData.glInternalFormat==GL_R32F){
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_G, GL_RED);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_B, GL_RED);
}else if(texData.glInternalFormat==GL_RG8 ||
texData.glInternalFormat==GL_RG16 ||
texData.glInternalFormat==GL_RG32F){
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_G, GL_RED);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_B, GL_RED);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_A, GL_GREEN);
}
}else{
if(texData.glInternalFormat==GL_R8 ||
texData.glInternalFormat==GL_R16 ||
texData.glInternalFormat==GL_R32F){
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
}else if(texData.glInternalFormat==GL_RG8 ||
texData.glInternalFormat==GL_RG16 ||
texData.glInternalFormat==GL_RG32F){
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
glTexParameteri(texData.textureTarget, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
}
}
glBindTexture(texData.textureTarget,0);
#endif
}
void ofTexture::setSwizzle(GLenum srcSwizzle, GLenum dstChannel){
#ifndef TARGET_OPENGLES
glBindTexture(texData.textureTarget,texData.textureID);
glTexParameteri(texData.textureTarget, srcSwizzle, dstChannel);
glBindTexture(texData.textureTarget,0);
#endif
}
void ofxFBOTexture::allocate(int w, int h, int internalGlDataType, int numSamples) {
_isActive = false;
//OpenGL supported technologies checking.
if(!bSupportsFBO){
ofLog(OF_LOG_ERROR, "ofxFBOTexture: GL_EXT_framebuffer_object not supported by current OpenGL renderer. "
" For Apple machines, more info at http://developer.apple.com/graphicsimaging/opengl/capabilities");
return;
}
if(!bSupportsMulti && numSamples){
ofLog(OF_LOG_WARNING, "ofxFBOTexture: GL_EXT_framebuffer_multisample not supported by current OpenGL renderer."
" Falling back to non-multisampled mode. To disable this message, specify 0 samples."
" Apple machines, more info at http://developer.apple.com/graphicsimaging/opengl/capabilities");
numSamples = 0;
}
if(!bSupportsBlit && numSamples){
//if there's no blit, then it's not worth using multi
ofLog(OF_LOG_WARNING, "ofxFBOTexture: GL_EXT_framebuffer_blit not supported by current OpenGL renderer."
" Falling back to non-multisampled mode. To disable this message, specify 0 samples."
" Apple machines, more info at http://developer.apple.com/graphicsimaging/opengl/capabilities");
numSamples = 0;
}
if(maxSamples < numSamples){
ofLog(OF_LOG_WARNING, "ofxFBOTexture: requested samples too high. Using GL_SAMPLES instead.");
numSamples = maxSamples;
}
//validate requested dimensions to see that they are within limits.
if(maxTextureSize < w || maxRenderBufferSize < w){
ofLog(OF_LOG_WARNING, "ofxFBOTexture: requested width was too large. Using largest allowed value instead.");
if(maxTextureSize < w) w = maxTextureSize;
if(maxRenderBufferSize < w) w = maxRenderBufferSize;
}
if( maxTextureSize < h || maxRenderBufferSize < h){
ofLog(OF_LOG_WARNING, "ofxFBOTexture: requested height was too large. Using largest allowed value instead.");
if(maxTextureSize < h) h = maxTextureSize;
if(maxRenderBufferSize < h) h = maxRenderBufferSize;
}
/**
validates arg3 for legacy function calling style
i dont check for 1 because 1 is a valid internal color format
so we're not sure if the person is passing a boolean or a color format
so we can't accuse them of doing the legacy boolean thing.
Even if that stops the FBO, the other color format error will help them out.
*/
if(internalGlDataType==0){
ofLog(OF_LOG_WARNING, "ofxFBOTexture::allocate( _ , _ , HERE , _ ) "
"The calling statement passed a boolean value like an older version of FBO object. "
"This argument has changed to be a color format "
"like GL_RGB, GL_RGBA, GL_RGBA16F_ARB, and GL_RGBA32F_ARB. "
"Defaulting to GL_RGBA.");
internalGlDataType = GL_RGBA;
}
// attempt to free the previous bound texture, if we can:
clean();
texData.width = w;
texData.height = h;
this->numSamples = numSamples;
/*
*GLEE_ARB_texture_rectangle thows errors in the latest from github (post 0062?) so i commented this out
*/
//#ifndef TARGET_OPENGLES
// if (GLEE_ARB_texture_rectangle){
// texData.tex_w = w;
// texData.tex_h = h;
// texData.textureTarget = GL_TEXTURE_RECTANGLE_ARB;
// } else
//#endif
// {
texData.tex_w = ofNextPow2(w);
texData.tex_h = ofNextPow2(h);
// }
//#ifndef TARGET_OPENGLES
// if (GLEE_ARB_texture_rectangle){
// texData.tex_t = w;
// texData.tex_u = h;
// } else
//#endif
// {
texData.tex_t = w/texData.tex_w;
texData.tex_u = h/texData.tex_h;
//}
texData.width = w;
texData.height = h;
texData.bFlipTexture = true;
texData.glTypeInternal = internalGlDataType;
#ifndef TARGET_OPENGLES
switch(texData.glTypeInternal) {
case GL_RGBA32F_ARB:
case GL_RGBA16F_ARB:
texData.glType = GL_RGBA;
texData.pixelType = GL_FLOAT;
pixels = new float[w * h * 4];
break;
default:
texData.glType = texData.glTypeInternal;
texData.pixelType = GL_UNSIGNED_BYTE;
pixels = new float[w * h * 4];
break;
}
#else
texData.glType = GL_RGBA;
texData.pixelType = GL_UNSIGNED_BYTE;
pixels = new unsigned char[w * h * 4];
#endif
// create & setup texture
glGenTextures(1, (GLuint *)&texData.textureID); // could be more then one, but for now, just one
glBindTexture(texData.textureTarget, (GLuint)texData.textureID);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(texData.textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(texData.textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(texData.textureTarget, 0, texData.glTypeInternal, texData.tex_w, texData.tex_h, 0, texData.glType, texData.pixelType, 0);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifndef TARGET_OPENGLES
glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, (GLint *) &oldFramebuffer);
if(numSamples ){
// MULTISAMPLE //
//THEO Create the render buffer for depth
glGenRenderbuffersEXT(1, &depthBuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, depthBuffer);
glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, numSamples, GL_DEPTH_COMPONENT, texData.tex_w, texData.tex_h);
//THEO multi sampled color buffer
glGenRenderbuffersEXT(1, &colorBuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, colorBuffer);
glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, numSamples, texData.glTypeInternal, texData.tex_w, texData.tex_h);
//THEO create fbo for multi sampled content and attach depth and color buffers to it
glGenFramebuffersEXT(1, &mfbo);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mfbo);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, colorBuffer);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, depthBuffer);
}else{
//THEO Create the render buffer for depth
glGenRenderbuffersEXT(1, &depthBuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, depthBuffer);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, texData.tex_w, texData.tex_h);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, depthBuffer);
}
// create & setup FBO
glGenFramebuffersEXT(1, &fbo);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
// attach it to the FBO so we can render to it
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, texData.textureTarget, (GLuint)texData.textureID, 0);
GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if(status != GL_FRAMEBUFFER_COMPLETE_EXT) {
//validate arg3 after the fact because it's worth letting them try that format.
if(internalGlDataType != GL_RGBA &&
internalGlDataType != GL_RGB &&
internalGlDataType != GL_RGBA16F_ARB &&
internalGlDataType != GL_RGBA32F_ARB){
ofLog(OF_LOG_ERROR, "ofxFBOTexture: Failed to initialize. "
"I noticed that the calling statement did not passed an expected color format "
"like GL_RGB, GL_RGBA, GL_RGBA16F_ARB, and GL_RGBA32F_ARB. You might try one of those. "
"ofxFBOTexture::allocate( _ , _ , HERE , _ ) ");
}else{
ofLog(OF_LOG_ERROR, "ofxFBOTexture: Failed to initialize.");
}
std::exit(1);
}
clear(0, 0, 0, 0);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, oldFramebuffer);
#else
if(numSamples ){
ofLog(OF_LOG_WARNING, "Multi-sampling not supported on OpenGL ES");
}else{
}
glGetIntegerv(GL_FRAMEBUFFER_BINDING_OES, (GLint *) &oldFramebuffer);
// create & setup FBO
glGenFramebuffersOES(1, &fbo);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, fbo);
// attach it to the FBO so we can render to it
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, texData.textureTarget, (GLuint)texData.textureID, 0);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, oldFramebuffer);
#endif
texData.bAllocated = true;
}
