//----------------------------------------------------------
void ofFbo::copyTo(ofBufferObject & buffer) const{
if(!bIsAllocated) return;
bind();
buffer.bind(GL_PIXEL_PACK_BUFFER);
glReadPixels(0, 0, settings.width, settings.height, ofGetGLFormatFromInternal(settings.internalformat), ofGetGlTypeFromInternal(settings.internalformat), NULL);
buffer.unbind(GL_PIXEL_PACK_BUFFER);
unbind();
}
//----------------------------------------------------------
void ofTexture::copyTo(ofBufferObject & buffer) const{
ofSetPixelStoreiAlignment(GL_PACK_ALIGNMENT,getWidth(),ofGetBytesPerChannelFromGLType(ofGetGlTypeFromInternal(texData.glInternalFormat)),ofGetNumChannelsFromGLFormat(ofGetGLFormatFromInternal(texData.glInternalFormat)));
buffer.bind(GL_PIXEL_PACK_BUFFER);
glBindTexture(texData.textureTarget,texData.textureID);
glGetTexImage(texData.textureTarget,0,ofGetGLFormatFromInternal(texData.glInternalFormat),ofGetGlTypeFromInternal(texData.glInternalFormat),0);
glBindTexture(texData.textureTarget,0);
buffer.unbind(GL_PIXEL_PACK_BUFFER);
}
//----------------------------------------------------------
void ofFbo::readToPixels(ofFloatPixels & pixels, int attachmentPoint) const{
if(!bIsAllocated) return;
#ifndef TARGET_OPENGLES
getTexture(attachmentPoint).readToPixels(pixels);
#else
pixels.allocate(settings.width,settings.height,ofGetImageTypeFromGLType(settings.internalformat));
bind();
int format = ofGetGLFormatFromInternal(settings.internalformat);
glReadPixels(0,0,settings.width, settings.height, format, GL_FLOAT, pixels.getData());
unbind();
#endif
}
void ofxTexture3d::allocate(int w, int h, int d, int internalGlDataType)
{
texData.tex_w = w;
texData.tex_h = h;
texData.tex_d = d;
texData.tex_t = w;
texData.tex_u = h;
texData.tex_v = d;
texData.textureTarget = GL_TEXTURE_3D;
texData.glTypeInternal = internalGlDataType;
// get the glType (format) and pixelType (type) corresponding to the glTypeInteral (internalFormat)
texData.glType = ofGetGLFormatFromInternal(texData.glTypeInternal);
texData.pixelType = ofGetGlTypeFromInternal(texData.glTypeInternal);
// attempt to free the previous bound texture, if we can:
clear();
glGenTextures(1, (GLuint *)&texData.textureID);
retain(texData.textureID);
glEnable(texData.textureTarget);
glBindTexture(texData.textureTarget, (GLuint)texData.textureID);
glTexImage3D(texData.textureTarget, 0, texData.glTypeInternal, (GLint)texData.tex_w, (GLint)texData.tex_h, (GLint)texData.tex_d, 0, texData.glType, texData.pixelType, 0);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT);
//glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisable(texData.textureTarget);
texData.width = w;
texData.height = h;
texData.depth = d;
texData.bFlipTexture = false;
texData.bAllocated = true;
}
void ofTexture::allocate(const ofTextureData & textureData){
allocate(textureData,ofGetGLFormatFromInternal(textureData.glInternalFormat),ofGetGlTypeFromInternal(textureData.glInternalFormat));
}
//----------------------------------------------------------
void ofTexture::allocate(int w, int h, int glInternalFormat, bool bUseARBExtension){
allocate(w, h, glInternalFormat, bUseARBExtension, ofGetGLFormatFromInternal(glInternalFormat), ofGetGlTypeFromInternal(glInternalFormat));
}
//----------------------------------------------------------
void ofTexture::allocate(int w, int h, int glInternalFormat){
allocate(w, h, glInternalFormat, ofGetUsingArbTex(), ofGetGLFormatFromInternal(glInternalFormat), ofGetGlTypeFromInternal(glInternalFormat));
}
//----------------------------------------------------------
void ofTexture::allocate(int w, int h, int internalGlDataType, bool bUseARBExtention){
allocate(w, h, internalGlDataType, bUseARBExtention, ofGetGLFormatFromInternal(internalGlDataType), ofGetGlTypeFromInternal(internalGlDataType));
}
//----------------------------------------------------------
void ofTexture::allocate(int w, int h, int internalGlDataType){
allocate(w, h, internalGlDataType, ofGetUsingArbTex(), ofGetGLFormatFromInternal(internalGlDataType), ofGetGlTypeFromInternal(internalGlDataType));
}
