How to modify opacity of textured image?

Question

How to modify opacity of textured image?

niravspaceo opened this issue 11 years ago · comments

nirav commented 11 years ago

Hi Chris,

I want to modify opacity of textured image.So how can i do that in openGL?

Thanks,
Nirav

Chris Miles · Answer 1 · Sun Jul 28 2013 15:06:00 GMT+0800 (China Standard Time)

You will need to update the image to include transparency, then enable OpenGL blend mode and configure the appropriate blending function with glBlendFunc(). I suggest reading up on OpenGL ES blending.

Cheers,
Chris