Mobile, Graphics, and Gaming forum EGL Pixbuffer is slow

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EGL Pixbuffer is slow

Note: This was originally posted on 25th February 2013 at http://forums.arm.com

Hi All,

I'm having a 1k*1k*rgb texture that is rendered using shader and I want to copy the pixels to buffer so that I use Opencv with it. I tried glreadpixels and its very slow, I tried Pixbuffer of Egl, it has the same perforamance its very slow 7FPS. I'm using Mali400 on Exynos4412

Here is the code
Please view it in pastebin, there is a problem with code posting here

http://pastebin.com/TwrtF0EG