X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogramcompiler.cpp;h=b004b08bee6f533e437f09051ca28d9bfdb22fbb;hb=6109322ffc5dec1a777807fcbefacafe94d1d5eb;hp=c35fa275c2b1bbadbcfbfb8f113cf68d165d4a8a;hpb=6dc2da27f0831d4172fcfeba4900616fd6c844b8;p=libs%2Fgl.git

diff --git a/source/programcompiler.cpp b/source/programcompiler.cpp
index c35fa275..b004b08b 100644
--- a/source/programcompiler.cpp
+++ b/source/programcompiler.cpp
@@ -1,4 +1,5 @@
 #include <msp/core/raii.h>
+#include <msp/gl/extensions/ext_gpu_shader4.h>
 #include <msp/strings/format.h>
 #include <msp/strings/utils.h>
 #include "error.h"
@@ -71,8 +72,11 @@ void ProgramCompiler::add_shaders(Program &program)
 		else if(i->type==FRAGMENT)
 		{
 			program.attach_shader_owned(new FragmentShader(apply<Formatter>(*i)));
-			for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
-				program.bind_fragment_data(j->second, j->first);
+			if(EXT_gpu_shader4)
+			{
+				for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
+					program.bind_fragment_data(j->second, j->first);
+			}
 		}
 	}
 }
@@ -1678,6 +1682,8 @@ void ProgramCompiler::LegacyConverter::visit(VariableDeclaration &var)
 			}
 			else if(stage->type==FRAGMENT && var.interface=="out")
 			{
+				if(location!=0)
+					static Require _req(EXT_gpu_shader4);
 				stage->locations[var.name] = location;
 				var.layout->qualifiers.erase(i);
 			}