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iosopengl-esopengl-es-2.0paintopengl-es-1.1

Feasible to rewrite GLPaint with OpenGLES2 instead of OpenGLES1

I am quiet new to opengl stuff but still have a little sense of opengl es 1.x and 2.x

GLPaint is a opengles1.x sample to draw with finger. As we know OpenGL ES 2.0 is quite different with ES 1.x, my question will be is that feasible to implement the GLPaint with OpenGL ES 2 and iOS 5 opengl classes ? If yes, in terms of performance, is that better or worse ?

Solution

  • It's perfectly feasible, but I'd not do it. GLPaint is a terrible program for a tutorial.

    If yes, in terms of performance, is that better or worse?

    For that program you'll not notice any difference.