Update usage of hash functions

[libs/gl.git] / source / materials / material.cpp

diff --git a/source/materials/material.cpp b/source/materials/material.cpp
index 6d9c0571f429f37e8c2ce265ca8c88e92bfaf70c..a34c0457384025f2af87f91ed45fac78dd042835 100644 (file)
--- 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;