[fpc-pascal] GLExt crashing

[Reimar Grabowski]

On Fri, 29 Jan 2016 11:30:25 +0700
Ryan Joseph <ryan at thealchemistguild.com> wrote:

> Is it available in any version before 2.0 do you know? 
No. 

> I don’t know much about OpenGL but there is a 1.5 version also which maybe has it.
Of course it has it but it is OpenGL 1.5 not OpenGL ES 1.5.

> I found this page also which suggests it exists on some 1.x version.
> http://stackoverflow.com/questions/17457327/blending-issue-porting-from-opengles-1-0-to-2-0-ios
It's not in the specs so maybe Apple just added it for their implementation. You may want to take a look at the corresponding C header files provided by Apple.

Btw official specs and header files can be found here: https://www.khronos.org/

R.

P.S.: If your hardware allows move on to shader based OpenGL as the fixed function pipeline is inefficient on modern hardware and it teaches bad habits (like immediate mode usage or usage of glMatrix* calls).