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Re: GLSL under OS X



On Sep 13, 2004, at 12:03 AM, Keith Bauer wrote:
Is anyone using [GLSL] under OS X? Is it even supposed to work?

a) search the archives b) search the web

this question gets answered over and over again.

You make it sound easy but searching the archives all I see is a lot of hopefully dated complaining about GLSL not being available.


There are four extensions that must be present for GLSL support to work. Mac OS X 10.3.4 and later export ARB_shader_objects, ARB_vertex_shader and ARB_fragment_shader from all renderers.

I see where the driver is returning these values but I do NOT see where the header files have the functions defined. My:


	/System/Library/Frameworks/OpenGL.framework/Headers/gl.h & glext.h

do not define the associated symbols.

Where's everyone getting their header file extensions from?

The fourth extension, ARB_shading_language_100, is not (yet) exported by any renderers.

To really show my ignorance, why do I need this 4th if I already have the first three. I need to check but I don't think the PC where we have our shaders working has this language symbol defined.


, Jonathan Hess

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