# OpenGL Extension support

**URL:** <https://forums.imgtec.com/t/opengl-extension-support/3834>\
**Category:** PowerVR Insider\
**Created:** [October 30, 2023, 11:51am UTC](https://forums.imgtec.com/t/opengl-extension-support/3834 "2023-10-30T11:51:22Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![AFT](https://avatars.discourse-cdn.com/v4/letter/a/b9bd4f/32.png) [@AFT](https://forums.imgtec.com/u/AFT)\
**Post date:** [October 30, 2023, 11:51am UTC](https://forums.imgtec.com/t/opengl-extension-support/3834/1 "2023-10-30T11:51:22Z")

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Hello,  
I’m trying to use this opengl extension GL\_COMPRESSED\_RED\_RGTC1\_EXT.

Do you know if it’s supported in PowerVR Rogue 8XE GE8430 (using GLES 3.2)?  
If yes, do you have an example for how to use this extension?

thank you.

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<div class="post-metadata">

**Author:** ![unibodydesignn](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.imgtec.com/unibodydesignn/32/476_2.png) [@unibodydesignn](https://forums.imgtec.com/u/unibodydesignn)\
**Post date:** [October 31, 2023, 1:05pm UTC](https://forums.imgtec.com/t/opengl-extension-support/3834/2 "2023-10-31T13:05:37Z")

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Hi AFT,

Welcome to PVR Developer Forum!

Would you mind share the DDK version for this device?  
We’ll check and get back to you.

Regards,  
Melih

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<div class="post-metadata">

**Author:** ![AFT](https://avatars.discourse-cdn.com/v4/letter/a/b9bd4f/32.png) [@AFT](https://forums.imgtec.com/u/AFT)\
**Post date:** [November 9, 2023, 2:15pm UTC](https://forums.imgtec.com/t/opengl-extension-support/3834/3 "2023-11-09T14:15:44Z")

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Thank you for the quick response.  
it should be : IMG DDK 1.15.6133109 (ti-img-rogue-driver → dunfell )

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**Author:** ![Nagnath](https://avatars.discourse-cdn.com/v4/letter/n/f19dbf/32.png) [@Nagnath](https://forums.imgtec.com/u/Nagnath)\
**Post date:** [November 10, 2023, 10:00am UTC](https://forums.imgtec.com/t/opengl-extension-support/3834/4 "2023-11-10T10:00:24Z")

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After checking our internal documents for the support of this extension and also while confirming with our OGLES DDK team, we found that this extension is currently not supported. However, it’s part of the 23.3 release coming soon.  
But, it will be made available only on certain cores - those that support this DX format in Hardware.  
GE8430 does not support DX compression so it won’t be made available for these cores.

Hope this answers your question. Kindly let us know in case you have any other queries.

Best Regards,  
Nagnath