untested texture loader

include/blt/gfx/renderer/texture_manager.h

@@ -31,17 +31,29 @@ namespace blt::gfx
     {
         std::string path;
         std::string name;
+        
+        loadable_texture() = default;
+        
+        loadable_texture(std::string path, std::string name): path(std::move(path)), name(std::move(name))
+        {}
     };
     
     class texture_resource_manager
     {
         private:
-            blt::thread_pool<false> pool;
+            std::mutex load_lock;
+            std::mutex save_lock;
             std::vector<loadable_texture> textures_to_load;
+            std::vector<texture_file*> loaded_textures;
             HASHMAP<std::string, texture_gl2D*> textures_2d;
         public:
             texture_resource_manager() = default;
-            ~texture_resource_manager();
+            
+            void enqueue(std::string path, std::string name = "");
+            
+            void load_resources(std::size_t threads = 8);
+            
+            void delete_resources();
     };
     
 }

src/blt/gfx/renderer/texture_manager.cpp

@@ -18,8 +18,63 @@
 #include <blt/gfx/renderer/texture_manager.h>
 #include <blt/std/logging.h>
 
-blt::gfx::texture_resource_manager::~texture_resource_manager()
+namespace blt::gfx
 {
-    for (const auto& p : textures_2d)
-        delete p.second;
+    
+    void texture_resource_manager::delete_resources()
+    {
+        for (const auto& p : textures_2d)
+            delete p.second;
+    }
+    
+    void texture_resource_manager::enqueue(std::string path, std::string name)
+    {
+        textures_to_load.emplace_back(std::move(path), std::move(name));
+    }
+    
+    void texture_resource_manager::load_resources(std::size_t threads)
+    {
+        blt::thread_pool<false> pool;
+        pool.execute([&]() {
+            loadable_texture texture;
+            {
+                std::scoped_lock lock(load_lock);
+                texture = textures_to_load.back();
+                textures_to_load.pop_back();
+            }
+            auto* file = new texture_file(texture.path, texture.name);
+            {
+                std::scoped_lock lock(save_lock);
+                loaded_textures.push_back(file);
+            }
+        });
+        do
+        {
+            std::this_thread::sleep_for(std::chrono::milliseconds(100));
+            {
+                std::scoped_lock lock(load_lock);
+                if (textures_to_load.empty())
+                    break;
+            }
+            {
+                std::scoped_lock lock(save_lock);
+                while (!loaded_textures.empty())
+                {
+                    auto* back = loaded_textures.back();
+                    textures_2d.insert({back->getName(), new texture_gl2D(back->texture())});
+                    BLT_DEBUG("Loaded Texture %s", back->getName().c_str());
+                    delete back;
+                    loaded_textures.pop_back();
+                }
+            }
+        } while (true);
+        pool.stop();
+        while (!pool.complete());
+        while (!loaded_textures.empty())
+        {
+            auto* back = loaded_textures.back();
+            textures_2d.insert({back->getName(), new texture_gl2D(back->texture())});
+            loaded_textures.pop_back();
+        }
+    }
 }