Panda3D
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00001 // Filename: shaderPool.h 00002 // Created by: aignacio (Mar06) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef SHADERPOOL_H 00016 #define SHADERPOOL_H 00017 00018 #include "pandabase.h" 00019 #include "shader.h" 00020 #include "filename.h" 00021 #include "lightMutex.h" 00022 #include "pmap.h" 00023 00024 //////////////////////////////////////////////////////////////////// 00025 // Class : ShaderPool 00026 // Description : This is the preferred interface for loading shaders for 00027 // the TextNode system. It is similar to ModelPool and 00028 // TexturePool in that it unifies references to the same 00029 // filename. 00030 //////////////////////////////////////////////////////////////////// 00031 class EXPCL_PANDA_PGRAPH ShaderPool { 00032 PUBLISHED: 00033 INLINE static bool has_shader(const Filename &filename); 00034 INLINE static bool verify_shader(const Filename &filename); 00035 INLINE static CPT(Shader) load_shader(const Filename &filename); 00036 INLINE static void add_shader(const Filename &filename, Shader *shader); 00037 INLINE static void release_shader(const Filename &filename); 00038 INLINE static void release_all_shaders(); 00039 00040 INLINE static int garbage_collect(); 00041 00042 INLINE static void list_contents(ostream &out); 00043 static void write(ostream &out); 00044 00045 private: 00046 INLINE ShaderPool(); 00047 00048 bool ns_has_shader(const Filename &orig_filename); 00049 CPT(Shader) ns_load_shader(const Filename &orig_filename); 00050 void ns_add_shader(const Filename &orig_filename, Shader *shader); 00051 void ns_release_shader(const Filename &orig_filename); 00052 void ns_release_all_shaders(); 00053 int ns_garbage_collect(); 00054 void ns_list_contents(ostream &out) const; 00055 00056 void resolve_filename(Filename &new_filename, const Filename &orig_filename); 00057 00058 static ShaderPool *get_ptr(); 00059 static ShaderPool *_global_ptr; 00060 00061 LightMutex _lock; 00062 typedef pmap<Filename, CPT(Shader) > Shaders; 00063 Shaders _shaders; 00064 }; 00065 00066 #include "shaderPool.I" 00067 00068 #endif