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Contains the total number of samples in the framebuffer.



gl_NumSamplesis a fragment language input variable that contains the number of samples in the framebuffer, or 1 if rendering to a non-multisample framebuffer.gl_NumSamplesis the sample count of the framebuffer regardless of whether multisample rasterization is enabled or not.

Version Support[edit]

gl_NumSamples 4.0+

See Also[edit]

 gl_SamplePosition , gl_SampleID 


Copyright© 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999.