# glBlendEquation problem

**URL:** <https://forums.imgtec.com/t/glblendequation-problem/842>\
**Category:** PowerVR Insider\
**Tags:** pvrvframe\
**Created:** [September 27, 2010, 1:14pm UTC](https://forums.imgtec.com/t/glblendequation-problem/842 "2010-09-27T13:14:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![deep](https://avatars.discourse-cdn.com/v4/letter/d/ce7236/32.png) [@deep](https://forums.imgtec.com/u/deep)\
**Post date:** [September 27, 2010, 1:14pm UTC](https://forums.imgtec.com/t/glblendequation-problem/842/1 "2010-09-27T13:14:45Z")

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I’m using the PowerVR OpenGL ES 2.0 Windows emulator (2.06.26.0649).&nbsp; I’ve got some simple applications running fine.&nbsp; However, when I call glBlendEquation(GL\_FUNC\_ADD) the emulator seems to hang.&nbsp; According to the docs this function should be supported.&nbsp; Has anyone else run into this problem?&nbsp;   
  
My graphics card is a GeForce 8800 Ultra, so I know the function itself should work on my system.

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**Author:** ![GordonMaclachlan](https://avatars.discourse-cdn.com/v4/letter/g/c68b51/32.png) [@GordonMaclachlan](https://forums.imgtec.com/u/GordonMaclachlan)\
**Post date:** [September 27, 2010, 1:47pm UTC](https://forums.imgtec.com/t/glblendequation-problem/842/2 "2010-09-27T13:47:43Z")

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We just released a new version of the SDK: 2.07.27.0484 which is available here:  
  
[https://www.imgtec.com/powervr/insider/powervr-sdk.asp](https://www.imgtec.com/powervr/insider/powervr-sdk.asp)  
  
Can you try using the version of PVRVFrame in this version, please?

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<div class="post-metadata">

**Author:** ![deep](https://avatars.discourse-cdn.com/v4/letter/d/ce7236/32.png) [@deep](https://forums.imgtec.com/u/deep)\
**Post date:** [September 27, 2010, 4:44pm UTC](https://forums.imgtec.com/t/glblendequation-problem/842/3 "2010-09-27T16:44:55Z")

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That did seem to fix the glBlendEquation() problem.&nbsp; Thanks.