void ofBufferObject::copyTo(ofBufferObject & dstBuffer, int readOffset, int writeOffset, size_t size) const{
	bind(GL_COPY_READ_BUFFER);
	dstBuffer.bind(GL_COPY_WRITE_BUFFER);
	glCopyBufferSubData(GL_COPY_READ_BUFFER,GL_COPY_WRITE_BUFFER,readOffset,writeOffset,size);
	unbind(GL_COPY_READ_BUFFER);
	dstBuffer.unbind(GL_COPY_WRITE_BUFFER);
}
void ofBufferObject::copyTo(ofBufferObject & dstBuffer) const{
	bind(GL_COPY_READ_BUFFER);
	dstBuffer.bind(GL_COPY_WRITE_BUFFER);
	glCopyBufferSubData(GL_COPY_READ_BUFFER,GL_COPY_WRITE_BUFFER,0,0,size());
	unbind(GL_COPY_READ_BUFFER);
	dstBuffer.unbind(GL_COPY_WRITE_BUFFER);
}
Example #3
0
//----------------------------------------------------------
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();
}
Example #4
0
//----------------------------------------------------------
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 ofBufferObject::copyTo(ofBufferObject & dstBuffer, int readOffset, int writeOffset, size_t size) const{
#ifdef GLEW_VERSION_4_5
	if (GLEW_EXT_direct_state_access) {
		glCopyNamedBufferSubData(data->id,dstBuffer.getId(),readOffset,writeOffset,size);
		return;
	}
#endif
	bind(GL_COPY_READ_BUFFER);
	dstBuffer.bind(GL_COPY_WRITE_BUFFER);
	glCopyBufferSubData(GL_COPY_READ_BUFFER,GL_COPY_WRITE_BUFFER,readOffset,writeOffset,size);
	unbind(GL_COPY_READ_BUFFER);
	dstBuffer.unbind(GL_COPY_WRITE_BUFFER);
}
Example #6
0
//----------------------------------------------------------
void ofTexture::loadData(const ofBufferObject & buffer, int glFormat, int glType){
	buffer.bind(GL_PIXEL_UNPACK_BUFFER);
	loadData(0,texData.width,texData.height,glFormat,glType);
	buffer.unbind(GL_PIXEL_UNPACK_BUFFER);
}