181 lines
7.2 KiB
C
181 lines
7.2 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file texturePool.h
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* @author drose
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* @date 2000-04-26
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* @author fperazzi, PandaSE
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* @date 2010-04-29
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*/
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#ifndef TEXTUREPOOL_H
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#define TEXTUREPOOL_H
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#include "pandabase.h"
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#include "texture.h"
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#include "filename.h"
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#include "config_gobj.h"
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#include "loaderOptions.h"
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#include "pmutex.h"
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#include "pmap.h"
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#include "textureCollection.h"
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class TexturePoolFilter;
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class BamCache;
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class BamCacheRecord;
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/**
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* This is the preferred interface for loading textures from image files. It
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* unifies all references to the same filename, so that multiple models that
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* reference the same textures don't waste texture memory unnecessarily.
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*/
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class EXPCL_PANDA_GOBJ TexturePool {
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PUBLISHED:
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INLINE static bool has_texture(const Filename &filename);
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INLINE static bool verify_texture(const Filename &filename);
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BLOCKING INLINE static Texture *load_texture(const Filename &filename,
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int primary_file_num_channels = 0,
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bool read_mipmaps = false,
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const LoaderOptions &options = LoaderOptions());
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BLOCKING INLINE static Texture *load_texture(const Filename &filename,
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const Filename &alpha_filename,
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int primary_file_num_channels = 0,
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int alpha_file_channel = 0,
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bool read_mipmaps = false,
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const LoaderOptions &options = LoaderOptions());
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BLOCKING INLINE static Texture *load_3d_texture(const Filename &filename_pattern,
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bool read_mipmaps = false,
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const LoaderOptions &options = LoaderOptions());
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BLOCKING INLINE static Texture *load_2d_texture_array(const Filename &filename_pattern,
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bool read_mipmaps = false,
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const LoaderOptions &options = LoaderOptions());
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BLOCKING INLINE static Texture *load_cube_map(const Filename &filename_pattern,
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bool read_mipmaps = false,
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const LoaderOptions &options = LoaderOptions());
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INLINE static Texture *get_normalization_cube_map(int size);
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INLINE static Texture *get_alpha_scale_map();
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INLINE static void add_texture(Texture *texture);
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INLINE static void release_texture(Texture *texture);
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INLINE static void release_all_textures();
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INLINE static void rehash();
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INLINE static int garbage_collect();
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INLINE static void list_contents(std::ostream &out);
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INLINE static void list_contents();
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INLINE static Texture *find_texture(const std::string &name);
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INLINE static TextureCollection find_all_textures(const std::string &name = "*");
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INLINE static void set_fake_texture_image(const Filename &filename);
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INLINE static void clear_fake_texture_image();
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INLINE static bool has_fake_texture_image();
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INLINE static const Filename &get_fake_texture_image();
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INLINE static PT(Texture) make_texture(const std::string &extension);
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static void write(std::ostream &out);
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public:
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typedef Texture::MakeTextureFunc MakeTextureFunc;
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void register_texture_type(MakeTextureFunc *func, const std::string &extensions);
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void register_filter(TexturePoolFilter *filter);
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MakeTextureFunc *get_texture_type(const std::string &extension) const;
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void write_texture_types(std::ostream &out, int indent_level) const;
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static TexturePool *get_global_ptr();
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private:
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TexturePool();
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bool ns_has_texture(const Filename &orig_filename);
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Texture *ns_load_texture(const Filename &orig_filename,
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int primary_file_num_channels,
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bool read_mipmaps,
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const LoaderOptions &options);
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Texture *ns_load_texture(const Filename &orig_filename,
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const Filename &orig_alpha_filename,
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int primary_file_num_channels,
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int alpha_file_channel,
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bool read_mipmaps,
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const LoaderOptions &options);
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Texture *ns_load_3d_texture(const Filename &filename_pattern,
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bool read_mipmaps,
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const LoaderOptions &options);
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Texture *ns_load_2d_texture_array(const Filename &filename_pattern,
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bool read_mipmaps,
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const LoaderOptions &options);
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Texture *ns_load_cube_map(const Filename &filename_pattern,
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bool read_mipmaps,
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const LoaderOptions &options);
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Texture *ns_get_normalization_cube_map(int size);
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Texture *ns_get_alpha_scale_map();
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void ns_add_texture(Texture *texture);
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void ns_release_texture(Texture *texture);
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void ns_release_all_textures();
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int ns_garbage_collect();
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void ns_list_contents(std::ostream &out) const;
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Texture *ns_find_texture(const std::string &name) const;
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TextureCollection ns_find_all_textures(const std::string &name) const;
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PT(Texture) ns_make_texture(const std::string &extension) const;
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void resolve_filename(Filename &new_filename, const Filename &orig_filename,
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bool read_mipmaps, const LoaderOptions &options);
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void try_load_cache(PT(Texture) &tex, BamCache *cache,
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const Filename &filename, PT(BamCacheRecord) &record,
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bool &compressed_cache_record,
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const LoaderOptions &options);
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void report_texture_unreadable(const Filename &filename) const;
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// Methods to invoke a TexturePoolFilter.
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PT(Texture) pre_load(const Filename &orig_filename,
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const Filename &orig_alpha_filename,
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int primary_file_num_channels,
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int alpha_file_channel,
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bool read_mipmaps, const LoaderOptions &options);
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PT(Texture) post_load(Texture *tex);
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void load_filters();
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static TexturePool *_global_ptr;
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Mutex _lock;
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struct LookupKey {
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Filename _fullpath;
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Filename _alpha_fullpath;
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int _primary_file_num_channels = 0;
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int _alpha_file_channel = 0;
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Texture::TextureType _texture_type = Texture::TT_2d_texture;
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INLINE bool operator < (const LookupKey &other) const;
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};
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typedef pmap<LookupKey, PT(Texture)> Textures;
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Textures _textures;
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typedef pmap<Filename, Filename> RelpathLookup;
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RelpathLookup _relpath_lookup;
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Filename _fake_texture_image;
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PT(Texture) _normalization_cube_map;
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PT(Texture) _alpha_scale_map;
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typedef pmap<std::string, MakeTextureFunc *> TypeRegistry;
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TypeRegistry _type_registry;
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typedef pvector<TexturePoolFilter *> FilterRegistry;
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FilterRegistry _filter_registry;
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};
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#include "texturePool.I"
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#endif
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