void Material::loadMipMapTexture(string inPath, float inAnisotropy ) {
ofPixels pix;
ofLoadImage(pix, inPath);
_tex.allocate( pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix) );
ofTextureData& texData = _tex.texData;
if (texData.textureTarget == GL_TEXTURE_RECTANGLE_ARB){
texData.tex_t = pix.getWidth();
texData.tex_u = pix.getHeight();
} else {
texData.tex_t = (float)(pix.getWidth()) / (float)texData.tex_w;
texData.tex_u = (float)(pix.getHeight()) / (float)texData.tex_h;
}
ofSetPixelStorei(pix.getWidth(),pix.getBytesPerChannel(),pix.getNumChannels());
glBindTexture( texData.textureTarget, texData.textureID);
glTexImage2D( texData.textureTarget, 0, texData.glTypeInternal, pix.getWidth(), pix.getHeight(), 0, ofGetGlFormat(pix), ofGetGlType(pix), pix.getPixels());
glHint(GL_GENERATE_MIPMAP_HINT, GL_NICEST);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glEnable(texData.textureTarget);
glGenerateMipmap(texData.textureTarget);
glTexParameteri( texData.textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri( texData.textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
// 1 means it does nothing
if( inAnisotropy >= 1 ) {
glTexParameterf( texData.textureTarget, GL_TEXTURE_MAX_ANISOTROPY_EXT, (GLfloat)inAnisotropy);
}
glDisable( texData.textureTarget );
}
//----------------------------------------------------------
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::loadData(const float * data, int w, int h, int glFormat){
ofSetPixelStorei(w,4,ofGetNumChannelsFromGLFormat(glFormat));
loadData(data, w, h, glFormat, GL_FLOAT);
}
//----------------------------------------------------------
void ofTexture::loadData(const unsigned short * data, int w, int h, int glFormat){
ofSetPixelStorei(w,2,ofGetNumChannelsFromGLFormat(glFormat));
loadData(data, w, h, glFormat, GL_UNSIGNED_SHORT);
}
void ofSetPixelStorei(int w, int bpc, int numChannels){
int stride = w * numChannels * bpc;
ofSetPixelStorei(stride);
}
//----------------------------------------------------------
void ofTexture::loadData(const ofShortPixels & pix){
ofSetPixelStorei(pix.getWidth(),pix.getBytesPerChannel(),pix.getNumChannels());
loadData(pix.getPixels(), pix.getWidth(), pix.getHeight(), ofGetGlFormat(pix), ofGetGlType(pix));
}