Signature
Description
Available only in the tessellation control and evaluation languages,
gl_PatchVerticesIn
contains the number of vertices in the input being processed by the shader. A single tessellation control or
evaluation shader can read patches of differing sizes, and so th value of
gl_PatchVertexIn
may differ between patches.
Version Support
| gl_PatchVerticesIn |
See Also
Copyright
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.
http://opencontent.org/openpub/
.