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GeeXLab => GeeXLab - english forum => Topic started by: JeGX on October 17, 2014, 07:32:29 PM

Title: OpenGL 4 Shader Subroutines - NVIDIA/OSX bug?
Post by: JeGX on October 17, 2014, 07:32:29 PM
I struggled many hours recently with subroutines and I didn't manage to make them ok under OS X with a GeForce GPU.
I added a new simple demo that shows a pqtorus rendered three times, each time with a different subroutine (texture, phong, phong+texture).

The demo is available in the code sample pack (http://www.geeks3d.com/glslhacker/cs/):
host_api/gl-400-arb-shader-subroutine/demo_gl4_v3.xml

The latest GLSL Hacker 0.7.2.0 (http://www.geeks3d.com/forums/index.php/topic,3729.0.html) is recommended.

The demo works fine on Windows. On OS X, the demo works fine for Intel and AMD GPUs but not for NVIDIA GPUs. With the GT650M / OSX, the same subroutine is used to shade all meshes and that's the bug. I suspect a bug on OSX with GeForce GPUs because the demo works fine everywhere else. But since it's a NVIDIA related issue, my code can be also guilty...


OK - NVIDIA GeForce GTX 660 - R337.50 - Win7 64-bit


OK - Intel HD 4000 - OS X 10.9


OK - AMD Radeon HD 6870 - OS X 10.9 (Hackintosh)


ERROR - NVIDIA GeForce GT 650M (Macbook Retina Mid-2012) - OS X 10.9

Title: Re: OpenGL 4 Shader Subroutines - NVIDIA/OSX bug?
Post by: oscarbg on October 17, 2014, 11:50:06 PM
you know there is new MacOS 10.10 ready and even a big jump in Nvidia Web drivers to 343:
http://us.download.nvidia.com/Mac/Quadro_Certified/343.01.01f01/WebDriver-343.01.01f01.pkg
can you test if fixes the issues?
will be good to know..
Title: Re: OpenGL 4 Shader Subroutines - NVIDIA/OSX bug?
Post by: JeGX on October 18, 2014, 04:40:51 PM
I will try to update the NV driver, but I don't know if the Quadro driver will be ok for the GT650M.

Will try also OSX 10.10 asap...
Title: OpenGL 4 Subroutines + OSX Yosemite + GTX 780
Post by: JeGX on October 22, 2014, 09:10:47 AM
OS X 10.10 Yosemite + NVIDIA R343.01: not better!

Title: OpenGL 4 Shader Subroutines - Linux + GTX 680 is OK
Post by: JeGX on November 08, 2014, 12:28:36 PM
Linux Mint 17 64-bit + R331.104 + GTX 680: works fine!