gl_TessCoord.3G - Man Page
contains the coordinate of the vertex within the current patch
Declaration
in vec3 gl_TessCoord ;.SH "DESCRIPTION"
Available only in the tessellation cevaluation language, gl_TessCoord specifies the three component (u, v, w) vector identifying the position of the vertex being processed by the shader relative to the primitive being tessellated.
Version Support
OpenGL Shading Language Version | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Function Name | 1.10 | 1.20 | 1.30 | 1.40 | 1.50 | 3.30 | 4.00 | 4.10 | 4.20 | 4.30 | 4.40 | 4.50 |
gl_TessCoord | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
See Also
gl_TessLevelOuter(), gl_TessLevelInner(), gl_PatchVerticesIn()
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/.
Copyright
Copyright © 2011-2014 Khronos Group
Referenced By
gl_PatchVerticesIn.3G(3), gl_TessLevelInner.3G(3), gl_TessLevelOuter.3G(3).
07/18/2024