X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fmaterials%2Fmaterial.cpp;h=a34c0457384025f2af87f91ed45fac78dd042835;hb=5ced451549e2238bb1195d03419437a395b9afec;hp=6d9c0571f429f37e8c2ce265ca8c88e92bfaf70c;hpb=9813f8711628a0fbe786406e974dc33546dc9cee;p=libs%2Fgl.git

diff --git a/source/materials/material.cpp b/source/materials/material.cpp
index 6d9c0571..a34c0457 100644
--- a/source/materials/material.cpp
+++ b/source/materials/material.cpp
@@ -20,12 +20,15 @@ const Program *Material::create_compatible_shader(const map<string, int> &extra_
 	for(const auto &kvp: extra_spec)
 		spec_values[kvp.first] = kvp.second;
 
-	string info = module_name;
+	uint64_t info_hash = hash<64>(module_name);
 	for(const auto &kvp: spec_values)
-		info += format(",%s:%d", kvp.first, kvp.second);
+	{
+		info_hash = hash_update<64>(info_hash, kvp.first);
+		info_hash = hash_update<64>(info_hash, kvp.second);
+	}
 
 	Resources &res = Resources::get_global();
-	string name = format("_material_%016x.shader", hash64(info));
+	string name = format("_material_%016x.shader", info_hash);
 	Program *shprog = res.find<Program>(name);
 	if(shprog)
 		return shprog;