X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fcompiler.cpp;h=c68b67bd0cd629f81db2838c60840b43c1abe720;hb=9ec831710f64a62ad5f2e896a55ae82a3519f29e;hp=5bec9c8b1b8f475163b50a35b57b0a92e5bec84b;hpb=30465dd3b9f55ec42c4b19c3c2077eede7237a26;p=libs%2Fgl.git

diff --git a/source/glsl/compiler.cpp b/source/glsl/compiler.cpp
index 5bec9c8b..c68b67bd 100644
--- a/source/glsl/compiler.cpp
+++ b/source/glsl/compiler.cpp
@@ -1,6 +1,7 @@
 #include <msp/core/algorithm.h>
 #include <msp/gl/extensions/ext_gpu_shader4.h>
 #include <msp/strings/format.h>
+#include "builtin.h"
 #include "compatibility.h"
 #include "compiler.h"
 #include "debug.h"
@@ -185,6 +186,13 @@ void Compiler::append_stage(Stage &stage)
 		target = &*i;
 	}
 
+	if(target->content.body.empty())
+	{
+		Stage *builtins = get_builtins(stage.type);
+		if(builtins && builtins!=&stage)
+			append_stage(*builtins);
+	}
+
 	if(stage.required_features.glsl_version>target->required_features.glsl_version)
 		target->required_features.glsl_version = stage.required_features.glsl_version;
 	for(NodeList<Statement>::iterator i=stage.content.body.begin(); i!=stage.content.body.end(); ++i)