From 1d545f2968e7b5e548726761dbf24e2d719ae440 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sun, 6 May 2012 22:14:23 +0200
Subject: [PATCH] Tesselation-related shader types.

Not used anywhere yet, just like geometry shader.
---
 src/Shader.cpp |  2 ++
 src/Shader.h   | 16 +++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/Shader.cpp b/src/Shader.cpp
index 76c1e0d8a..bae0c5ff2 100644
--- a/src/Shader.cpp
+++ b/src/Shader.cpp
@@ -85,6 +85,8 @@ GLuint Shader::compile() {
             case Vertex:    err << "vertex";        break;
             case Geometry:  err << "geometry";      break;
             case Fragment:  err << "fragment";      break;
+            case TesselationControl: err << "tesselation control"; break;
+            case TesselationEvaluation: err << "tesselation evaluation"; break;
         }
 
         /* Show error log and delete shader */
diff --git a/src/Shader.h b/src/Shader.h
index d638bcb8f..a3838558b 100644
--- a/src/Shader.h
+++ b/src/Shader.h
@@ -51,7 +51,21 @@ class MAGNUM_EXPORT Shader {
              */
             Geometry = GL_GEOMETRY_SHADER,
 
-            Fragment = GL_FRAGMENT_SHADER   /**< Fragment shader */
+            Fragment = GL_FRAGMENT_SHADER,  /**< Fragment shader */
+
+            /**
+             * Tesselation control shader
+             *
+             * @requires_gl40 Extension <tt>ARB_tesselation_shader</tt>
+             */
+            TesselationControl = GL_TESS_CONTROL_SHADER,
+
+            /**
+             * Tesselation evaluation shader
+             *
+             * @requires_gl40 Extension <tt>ARB_tesselation_shader</tt>
+             */
+            TesselationEvaluation = GL_TESS_EVALUATION_SHADER
         };
 
         /** @brief %Shader state */