namespace Msp {
namespace GL {
+Material::Material()
+{
+ set_alpha_cutoff(0.0f);
+}
+
const Program *Material::create_compatible_shader(const map<string, int> &extra_spec) const
{
string module_name;
map<string, int> spec_values;
+ if(alpha_cutoff>0.0f)
+ spec_values["use_alpha_cutoff"] = true;
+
fill_program_info(module_name, spec_values);
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;
return shprog;
}
+void Material::set_alpha_cutoff(float a)
+{
+ alpha_cutoff = a;
+ shdata.uniform("alpha_cutoff", a);
+}
+
void Material::set_debug_name(const string &name)
{
#ifdef DEBUG
void Material::Loader::init_actions()
{
+ add("alpha_cutoff", &Loader::alpha_cutoff);
add("sampler", &Loader::sampler);
}
+void Material::Loader::alpha_cutoff(float a)
+{
+ obj.set_alpha_cutoff(a);
+}
+
void Material::Loader::sampler(const string &name)
{
obj.sampler = &get_collection().get<Sampler>(name);