//---------------------------------------------------------- void ofTexture::loadData(const ofFloatPixels & pix, int glFormat){ if(!isAllocated()){ allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), ofGetUsingArbTex(), glFormat, ofGetGlType(pix)); } ofSetPixelStoreiAlignment(GL_UNPACK_ALIGNMENT,pix.getWidth(),pix.getBytesPerChannel(),ofGetNumChannelsFromGLFormat(glFormat)); loadData(pix.getData(), pix.getWidth(), pix.getHeight(), glFormat, ofGetGlType(pix)); }
//---------------------------------------------------------- void ofTexture::allocate(const ofFloatPixels& pix, bool bUseARBExtention){ allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), bUseARBExtention, ofGetGlFormat(pix), ofGetGlType(pix)); if((pix.getPixelFormat()==OF_PIXELS_GRAY || pix.getPixelFormat()==OF_PIXELS_GRAY_ALPHA) && ofIsGLProgrammableRenderer()){ setRGToRGBASwizzles(true); } loadData(pix); }
//---------------------------------------------------------- void ofTexture::loadData(const ofFloatPixels & pix){ if(!isAllocated()){ allocate(pix); }else{ ofSetPixelStoreiAlignment(GL_UNPACK_ALIGNMENT,pix.getBytesStride()); loadData(pix.getData(), pix.getWidth(), pix.getHeight(), ofGetGlFormat(pix), ofGetGlType(pix)); } }
void ofTexture::readToPixels(ofFloatPixels & pixels) const { #ifndef TARGET_OPENGLES pixels.allocate(texData.width,texData.height,ofGetImageTypeFromGLType(texData.glInternalFormat)); ofSetPixelStoreiAlignment(GL_PACK_ALIGNMENT,pixels.getWidth(),pixels.getBytesPerChannel(),pixels.getNumChannels()); glBindTexture(texData.textureTarget,texData.textureID); glGetTexImage(texData.textureTarget,0,ofGetGlFormat(pixels),GL_FLOAT,pixels.getData()); glBindTexture(texData.textureTarget,0); #endif }
// get float pixels from a fbo or texture void ftUtil::toPixels(ofTexture& _tex, ofFloatPixels& _pixels) { ofTextureData& texData = _tex.getTextureData(); int format = texData.glInternalFormat; int readFormat, numChannels; switch(format){ case GL_R32F: readFormat = GL_RED, numChannels = 1; break; // or is it GL_R case GL_RG32F: readFormat = GL_RG, numChannels = 2; break; case GL_RGB32F: readFormat = GL_RGB, numChannels = 3; break; case GL_RGBA32F: readFormat = GL_RGBA, numChannels = 4; break; default: ofLogWarning("ftUtil") << "toPixels: " << "can only read float textures to ofFloatPixels"; return; } if (_pixels.getWidth() != texData.width || _pixels.getHeight() != texData.height || _pixels.getNumChannels() != numChannels) { _pixels.allocate(texData.width, texData.height, numChannels); } ofSetPixelStoreiAlignment(GL_PACK_ALIGNMENT, texData.width, 4, numChannels); glBindTexture(texData.textureTarget, texData.textureID); glGetTexImage(texData.textureTarget, 0, readFormat, GL_FLOAT, _pixels.getData()); glBindTexture(texData.textureTarget, 0); }
void ofxTexture3d::loadData(ofFloatPixels & pix, int d, int xOffset, int yOffset, int zOffset) { loadData(pix.getData(), pix.getWidth(), pix.getHeight(), d, xOffset, yOffset, zOffset, ofGetGlFormat(pix)); }
//---------------------------------------------------------- void ofTexture::loadData(const ofFloatPixels & pix, int glFormat){ ofSetPixelStorei(pix.getWidth(),pix.getBytesPerChannel(),ofGetNumChannelsFromGLFormat(glFormat)); loadData(pix.getPixels(), pix.getWidth(), pix.getHeight(), glFormat, ofGetGlType(pix)); }
//---------------------------------------------------------- void ofTexture::loadData(const ofFloatPixels & pix){ ofSetPixelStorei(pix.getBytesStride()); loadData(pix.getPixels(), pix.getWidth(), pix.getHeight(), ofGetGlFormat(pix), ofGetGlType(pix)); }
//---------------------------------------------------------- void ofTexture::allocate(const ofFloatPixels& pix, bool bUseARBExtention){ allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), bUseARBExtention, ofGetGlFormat(pix), ofGetGlType(pix)); }
//---------------------------------------------------------- void ofTexture::allocate(const ofFloatPixels& pix){ allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), ofGetUsingArbTex(), ofGetGlFormat(pix), ofGetGlType(pix)); }
//---------------------------------------------------------- void ofTexture::loadData(const ofFloatPixels & pix){ loadData(pix.getPixels(), pix.getWidth(), pix.getHeight(), ofGetGlFormat(pix)); }
//---------------------------------------------------------- void ofTexture::loadData(const ofFloatPixels & pix, int glFormat){ ofSetPixelStoreiAlignment(GL_UNPACK_ALIGNMENT,pix.getWidth(),pix.getBytesPerChannel(),ofGetNumChannelsFromGLFormat(glFormat)); loadData(pix.getData(), pix.getWidth(), pix.getHeight(), glFormat, ofGetGlType(pix)); }