X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fmaterials%2Fmaterial.cpp;h=6af833e6b5c30e48badcfd6bec78d45bce64eeee;hb=d9c437291135255422c71918cd0cab8a735848af;hp=a34c0457384025f2af87f91ed45fac78dd042835;hpb=cb4158902a680c58c5834da8577cd95ff753fd7c;p=libs%2Fgl.git

diff --git a/source/materials/material.cpp b/source/materials/material.cpp
index a34c0457..6af833e6 100644
--- a/source/materials/material.cpp
+++ b/source/materials/material.cpp
@@ -11,10 +11,18 @@ using namespace std;
 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)
@@ -48,6 +56,12 @@ const Program *Material::create_compatible_shader(const map<string, int> &extra_
 	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
@@ -78,9 +92,15 @@ Material::Loader::Loader(Material &m, Collection &c):
 
 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);