OpenGL vs default 2D

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userotti

in General Discussion • Other • 1 year ago

I made a cool looking sketch with the default processing drawing:

size(640,480);

it has some ellipse's and some small png's

I'm not sure what the ACTUAL framerate is but I set it 60 with the frameRate(60); func.

It looks good.

But when I import the OPENGL lib, and use:

size(640,480, OPENGL);

the framerate is still good, but every 30 to 40 frames(i think) it has a bit of an hickup.

kinda like a GC hickup, but constantly... why? and is it worth it to tri to implement OPENGL?

can OPENGL make my basic drawing(standerd 2D shapes and some images) sketch go faster and allow my drawing to be more complex in the main loop?

The Prodigy - "One Love" jamming full blast in the backgound.

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amnon.owed

OPENGL is mainly useful for 3D sketches with complex geometry. It has the potential to make some sketches go a lot faster. But speed and quality depend on the type of sketch and the code itself. Don't expect things to automatically improve just by changing the renderer.

You can print the actual frameRate to the console with:

println(frameRate);

If you have a 2D sketch that looks good and runs at 60 fps, I see no need at all to switch the renderer.

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OpenGL vs default 2D

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