GL_SAMPLEMASKIN - Online Linux Manual PageSection : 3G
Updated : 01/20/2022
Source : [FIXME: source]
Note : [FIXME: manual]

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NAMEgl_SampleMaskIn − contains the computed sample coverage mask for the current fragment

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DECLARATIONin ​int ​gl_SampleMaskIn[] ​;.SH "DESCRIPTION" gl_SampleMaskIn is a fragment language that indicates the set of samples covered by the primitive generating the fragment during multisample rasterization​. It has a sample bit set if and only if the sample is considered covered for this fragment shader invocation​. Bit B of mask gl_SampleMask[M] corresponds to sample 32 * M + B​. The array has ceil(s / 32) elements where s is the maximum number of color samples supported by the implementation​.

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VERSION SUPPORT OpenGL Shading Language Version Variable Name 1​.10 none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'> 1​.20 1​.30 1​.40 1​.50 3​.30 4​.00 4​.10 4​.20 4​.30 4​.40 4​.50 gl_SampleMaskIn − − − − − − ✔ ✔ ✔ ✔ ✔ ✔

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SEE ALSOgl_SampleMask(), gl_SampleID(), gl_SamplePosition(), gl_FragCoord()

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COPYRIGHTCopyright © 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​. http://opencontent​.org/openpub/​.

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