X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fcompatibility.cpp;h=3407386248210035c8a6dee75fee815a9987696f;hb=836eeb313874d4f0c406f154ecb0dff366f362c4;hp=2e13a5f678eaa7592809fa292071b89cecf28beb;hpb=b30777959d8e2ab2caf489e32f40390f60a75fcb;p=libs%2Fgl.git

diff --git a/source/glsl/compatibility.cpp b/source/glsl/compatibility.cpp
index 2e13a5f6..34073862 100644
--- a/source/glsl/compatibility.cpp
+++ b/source/glsl/compatibility.cpp
@@ -2,6 +2,7 @@
 #include <msp/core/raii.h>
 #include <msp/strings/lexicalcast.h>
 #include "compatibility.h"
+#include "glsl_error.h"
 
 using namespace std;
 
@@ -259,8 +260,8 @@ void LegacyConverter::visit(VariableDeclaration &var)
 			}
 			else if(stage->type==Stage::FRAGMENT && var.interface=="out")
 			{
-				if(location!=0)
-					check_extension(&Features::ext_gpu_shader4);
+				if(location!=0 && !check_extension(&Features::ext_gpu_shader4))
+					throw unsupported_shader("EXT_gpu_shader4 is required");
 				stage->locations[var.name] = location;
 				var.layout->qualifiers.erase(i);
 			}