YES

src/gui.cpp

@@ -368,15 +368,15 @@ void workspace_panel()
             SameLine();
             if(Button("Unroll Includes"))
             {
-                if (renderer::unroll_includes(prog_type, shader_type)){std::cout << "HI?" << std::endl;}
-                    //should_load_shader = true;
+                if (renderer::unroll_includes(prog_type, shader_type))
+                    should_load_shader = true;
             }
             PopItemWidth();
 
             if (should_load_shader)
             {
                 strcpy(shader_code_buffer, renderer::get_shader_source_reflection(prog_type, shader_type));
-                //should_load_shader = false;
+                should_load_shader = false;
             }
 
             ImGui::InputTextMultiline("##source", shader_code_buffer, sizeof(shader_code_buffer), whole_window->Size);

src/renderer.cpp

@@ -181,15 +181,12 @@ namespace renderer
     bool unroll_includes(shader_prg_option program_type, shader_type_option shader_type)
     {
         shader_manager::shader_t* shader = find_shader(program_type, shader_type);
-        std::cout << shader << std::endl;
         if (nullptr == shader)
         {
-            std::cout << "HI." << std::endl;
             return false;
-        }//XXX WHAT THE FUCK
-        std::cout << "HI. yo." << std::endl;
-        //std::cout << shader;
-        //shader->unroll_includes();
+        }
+        shader->unroll_includes();
+        return true;
     }
     //TODO it would be better to relink the program upon any attempt to compile any of its attached shaders.
     bool link_program(shader_prg_option program_type)

src/shader_utils.cpp

@@ -110,6 +110,11 @@ bool shader_manager::shader_t::load_source_from_path(const char* const path)
 bool shader_manager::shader_t::compile() const{return compileShader(type, ID, source_code.c_str());}
 bool shader_manager::shader_t::unroll_includes()
 {
+    char* processed_source =  nullptr;
+    renderer::preprocessor::process_shader(source_code.c_str(), processed_source);
+    source_code = std::string(processed_source);
+    delete[] processed_source;
+    return true;
 }
 shader_manager::shader_t::~shader_t()
 {