ofTexture::mipmap test project - press key to toggle mipmaps on/off

main.cpp

#include "ofMain.h"

class ofApp : public ofBaseApp{
	ofCamera mCam1;
	ofTexture mTex1;
	
public:

	void setup() {
		//mTex1.enableMipmap(); ///< auto-generate mipmap whenever ofTexture updates it's image data.
		ofDisableArbTex();
		ofLoadImage(mTex1,"grid.png");
		// mTex1.generateMipmap(); ///< alternative: generate mipmap at point of call, and select mipmap based min filter manually:
		// mTex1.setTextureMinMagFilter(GL_LINEAR_MIPMAP_LINEAR, GL_NEAREST); ///< activate mipmap filtering once texture has been loaded
		ofEnableArbTex();
		mCam1.setupPerspective();
	};
	
	void draw() {
		ofBackground(ofColor::black);
		
		mCam1.begin();
		ofPushMatrix();
		
		ofTranslate(0, 0, -500);
		ofRotate(60,1,0,0);
		
		mTex1.draw(0, 0);
		
		ofPopMatrix();
		mCam1.end();
	};
	
	void keyReleased(int key){
		static bool toggle = false;
		mTex1.setTextureMinMagFilter( (toggle^=true) ? GL_LINEAR : GL_LINEAR_MIPMAP_LINEAR , GL_LINEAR);
	};
	
};

//========================================================================
int main( ){
	// ofSetCurrentRenderer(ofGLProgrammableRenderer::TYPE);
	// ofSetOpenGLVersion(4, 1);
	ofSetupOpenGL(1024,768,OF_WINDOW);			// <-------- setup the GL context

	// this kicks off the running of my app
	// can be OF_WINDOW or OF_FULLSCREEN
	// pass in width and height too:
	ofRunApp(new ofApp());

}