X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogram.cpp;h=749a7d9cf67735cbc60958f0c606b9f1452e4087;hp=9e54d6a86a1e2cbb673ad80752fc3376225af320;hb=ec0f55e58e978ce780c81629c39f2f5e474072c6;hpb=9abfb801dbceb59272f6561731d066ed516340e5

diff --git a/source/program.cpp b/source/program.cpp
index 9e54d6a8..749a7d9c 100644
--- a/source/program.cpp
+++ b/source/program.cpp
@@ -259,7 +259,23 @@ int Program::get_uniform_location(const string &n) const
 {
 	map<string, UniformInfo>::const_iterator i = uniforms.find(n);
 	if(i==uniforms.end())
+	{
+		if(n[n.size()-1]==']')
+		{
+			string::size_type open_bracket = n.rfind('[');
+			if(open_bracket!=string::npos)
+			{
+				/* The requested name looks like an array.  glGetActiveUniform only
+				gives us the first element of the array, so try to look that up and
+				add an offset. */
+				int offset = lexical_cast<unsigned>(n.substr(open_bracket+1, n.size()-2-open_bracket));
+				i = uniforms.find(n.substr(0, open_bracket)+"[0]");
+				if(i!=uniforms.end() && offset<i->second.size)
+					return i->second.location+offset;
+			}
+		}
 		return -1;
+	}
 
 	return i->second.location;
 }