Rework ProgramData to do less unnecessary work

[libs/gl.git] / source / resourcemanager.h

diff --git a/source/resourcemanager.h b/source/resourcemanager.h
index fb4353350f4c2138a1b4a4d1d541b08bf1016f61..f5ccac3bbf9a212eefe8611a865bb25a059737b2 100644 (file)
--- a/source/resourcemanager.h
+++ b/source/resourcemanager.h
@@ -1,6 +1,7 @@
 #ifndef MSP_GL_RESOURCEMANAGER_H_
 #define MSP_GL_RESOURCEMANAGER_H_
 
+#include <msp/core/inttypes.h>
 #include <msp/core/mutex.h>
 #include <msp/core/semaphore.h>
 #include <msp/core/thread.h>
@@ -10,6 +11,8 @@
 namespace Msp {
 namespace GL {
 
+class ResourceWatcher;
+
 class ResourceManager
 {
 public:
@@ -28,8 +31,19 @@ private:
                std::string name;
                IO::Seekable *io;
                Resource::AsyncLoader *loader;
+               bool loaded;
+               unsigned last_used;
+               UInt64 data_size;
+               std::vector<ResourceWatcher *> watchers;
 
                ManagedResource(Resource &);
+
+               void start_loading();
+               void finish_loading();
+               void unload();
+
+               void add_watcher(ResourceWatcher &);
+               void remove_watcher(ResourceWatcher &);
        };
 
        class LoadingThread: public Thread
@@ -65,12 +79,18 @@ private:
                void terminate();
        };
 
+       typedef std::map<const Resource *, ManagedResource> ResourceMap;
        typedef std::list<ManagedResource *> LoadQueue;
 
        LoadingPolicy policy;
        bool async_loads;
-       std::map<const Resource *, ManagedResource> resources;
-       std::list<ManagedResource *> queue;
+       ResourceMap resources;
+       LoadQueue queue;
+       UInt64 size_limit;
+       unsigned frame;
+       unsigned min_retain_frames;
+       unsigned max_retain_frames;
+       unsigned next_unload;
        LoadingThread thread;
 
 public:
@@ -79,13 +99,22 @@ public:
 
        void set_loading_policy(LoadingPolicy);
        void set_async_loads(bool);
+       void set_size_limit(UInt64);
+       void set_min_retain_frames(unsigned);
+       void set_max_retain_frames(unsigned);
 
        void add_resource(Resource &);
+       void *get_data_for_resource(const Resource &);
        void set_resource_location(Resource &, DataFile::Collection &, const std::string &);
-       void load_resource(const Resource &);
+       void load_resource(Resource &);
+       void resource_used(const Resource &);
        void remove_resource(Resource &);
 
+       void watch_resource(const Resource &, ResourceWatcher &);
+       void unwatch_resource(const Resource &, ResourceWatcher &);
+
        void tick();
+       UInt64 get_total_data_size() const;
 };
 
 } // namespace GL