# OpenGL Extensions (Glew,Glee,Gloader)

**URL:** <https://discourse.libcinder.org/t/opengl-extensions-glew-glee-gloader/1195>\
**Category:** Using Cinder\
**Created:** [June 17, 2018, 3:23pm UTC](https://discourse.libcinder.org/t/opengl-extensions-glew-glee-gloader/1195 "2018-06-17T15:23:14Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![mitjaprelovsek](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.libcinder.org/mitjaprelovsek/32/894_2.png) [@mitjaprelovsek](https://discourse.libcinder.org/u/mitjaprelovsek)\
**Post date:** [June 20, 2018, 5:03pm UTC](https://discourse.libcinder.org/t/opengl-extensions-glew-glee-gloader/1195/21 "2018-06-20T17:03:38Z")

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It makes perfect sense. Thanks Paul! You are a star.

I’m off to vacations now. I’ll flip the texture and post the sample when I get back.

Cheers,

M

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**Author:** ![mitjaprelovsek](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.libcinder.org/mitjaprelovsek/32/894_2.png) [@mitjaprelovsek](https://discourse.libcinder.org/u/mitjaprelovsek)\
**Post date:** [June 26, 2018, 10:08am UTC](https://discourse.libcinder.org/t/opengl-extensions-glew-glee-gloader/1195/22 "2018-06-26T10:08:37Z")

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Hello again,

My vacations were sadly cut short, but this allowed me to upload a working sample sooner. In the end, using `fmt.loadTopDown` didn’t work for some reason, but I’ve managed to flip the texture another way.

As I mentioned [here](https://discourse.libcinder.org/t/directshow-hap-implementation/1099/6), the majority of the port was done by @dave.

The sample can be downloaded [here](https://github.com/lightact/HAP-Cinder).

Thanks again for all your help!  
Mitja

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