gl_TessCoord.3G man page

gl_TessCoord — 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

gl_TessCoord

See Also

gl_TessLevelOuter(), gl_TessLevelInner(), gl_PatchVerticesIn()

Info

02/04/2016 [FIXME: source] [FIXME: manual]