NAME¶
gl_PatchVerticesIn - contains the number of vertices in the current patch
DECLARATION¶
in int gl_PatchVerticesIn ;.SH "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¶
|
OpenGL Shading Language
Version |
Variable 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_PatchVerticesIn |
- |
- |
- |
- |
- |
- |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
SEE ALSO¶
gl_TessLevelOuter(), gl_TessLevelInner(), gl_TessCoord()
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