X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Fpredicate.cpp;h=4afc6c0343ca89166283c6f3268c1bc9880c9d4f;hp=a1953733c676d3ccac0f449db4d9ce3c749dba4f;hb=669e9bfc18d2f5e28a9c715e1a69b7637a2d9c8b;hpb=8e063e6def7412f85a26f829b641f28d3476062f

diff --git a/source/core/predicate.cpp b/source/core/predicate.cpp
index a1953733..4afc6c03 100644
--- a/source/core/predicate.cpp
+++ b/source/core/predicate.cpp
@@ -6,6 +6,22 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
+GLenum get_gl_predicate(Predicate pred)
+{
+	switch(pred)
+	{
+	case NEVER: return GL_NEVER;
+	case ALWAYS: return GL_ALWAYS;
+	case LESS: return GL_LESS;
+	case LEQUAL: return GL_LEQUAL;
+	case EQUAL: return GL_EQUAL;
+	case GREATER: return GL_GREATER;
+	case GEQUAL: return GL_GEQUAL;
+	case NOTEQUAL: return GL_NOTEQUAL;
+	default: throw invalid_argument("get_gl_predicate");
+	}
+}
+
 void operator>>(const LexicalConverter &conv, Predicate &pred)
 {
 	const string &str = conv.get();