Use specialization constants in the builtin material shaders

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

diff --git a/source/materials/basicmaterial.cpp b/source/materials/basicmaterial.cpp
index 362fc9db14e6a8636960bec3a746cd8e62715ed8..33dced53d7fb65c68fce1251893f14b202c144c3 100644 (file)
--- a/source/materials/basicmaterial.cpp
+++ b/source/materials/basicmaterial.cpp
@@ -15,36 +15,21 @@ BasicMaterial::BasicMaterial():
        set_reflectivity(0.0f);
 }
 
-string BasicMaterial::create_program_source() const
-{
-       string source = "import phong;\n";
-       if(diffuse.texture)
-               source += "const bool use_diffuse_map = true;\n";
-       if(specular.texture || specular.value.r || specular.value.g || specular.value.b)
-       {
-               source += "const bool use_specular = true;\n";
-               if(specular.texture)
-                       source += "const bool use_specular_map = true;\n";
-               if(shininess.texture)
-                       source += "const bool use_shininess_map = true;\n";
-       }
-       if(normal.texture)
-               source += "const bool use_normal_map = true;\n";
-       if(emission.texture || emission.value.r || emission.value.g || emission.value.b)
-       {
-               source += "const bool use_emission = true;\n";
-               if(emission.texture)
-                       source += "const bool use_emission_map = true;\n";
-       }
-       if(reflectivity.value || reflectivity.texture)
-       {
-               source += "const bool use_reflectivity = true;\n";
-               if (reflectivity.texture)
-                       source += "const bool use_reflectivity_map = true;\n";
-       }
-       if(receive_shadows)
-               source += "const bool use_shadow_map = true;\n";
-       return source;
+void BasicMaterial::fill_program_info(string &module_name, map<string, int> &spec_values) const
+{
+       module_name = "phong.glsl";
+       spec_values["use_diffuse_map"] = (diffuse.texture!=0);
+       bool use_specular = (specular.texture || specular.value.r || specular.value.g || specular.value.b);
+       spec_values["use_specular"] = use_specular;
+       spec_values["use_specular_map"] = (specular.texture!=0);
+       spec_values["use_shininess_map"] = (use_specular && shininess.texture!=0);
+       spec_values["use_normal_map"] = (normal.texture!=0);
+       bool use_emission = (emission.texture || emission.value.r || emission.value.g || emission.value.b);
+       spec_values["use_emission"] = use_emission;
+       spec_values["use_emission_map"] = (emission.texture!=0);
+       spec_values["use_reflectivity"] = (reflectivity.value!=0 || reflectivity.texture!=0);
+       spec_values["use_reflectivity_map"] = (reflectivity.texture!=0);
+       spec_values["use_shadow_map"] = receive_shadows;
 }
 
 void BasicMaterial::attach_textures_to(Texturing &texturing, ProgramData &tex_shdata) const