X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fextension.cpp;h=d03616651b39e97c7937c9f9902d7108c11f7b89;hp=41b06b217f79c9df88c83498eb595d41cbecaca9;hb=f92c10f969a02e707a236cb364332bf079cdf4fc;hpb=73f829d3051f5c6c02ce629991f1757d1586bf74

diff --git a/source/extension.cpp b/source/extension.cpp
index 41b06b21..d0361665 100644
--- a/source/extension.cpp
+++ b/source/extension.cpp
@@ -103,6 +103,18 @@ const Version &get_gl_version()
 	return version;
 }
 
+inline Version _get_glsl_version()
+{
+	string glsl_ver = reinterpret_cast<const char *>(glGetString(GL_SHADING_LANGUAGE_VERSION));
+	return Version(glsl_ver.substr(0, glsl_ver.find(' ')));
+}
+
+const Version &get_glsl_version()
+{
+	static Version version = _get_glsl_version();
+	return version;
+}
+
 bool is_version_at_least(unsigned a, unsigned b)
 {
 	return get_gl_version()>=Version(a, b);