axmol/core/renderer/CCTextureCache.h

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/****************************************************************************
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2011 Zynga Inc.
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
Copyright (c) 2020 C4games Ltd.
Copyright (c) 2021-2022 Bytedance Inc.
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https://axys1.github.io/
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifndef __CCTEXTURE_CACHE_H__
#define __CCTEXTURE_CACHE_H__
#include <mutex>
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#include <thread>
#include <condition_variable>
#include <queue>
#include <string>
#include <unordered_map>
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#include <functional>
#include "base/CCRef.h"
Squashed commit of the following: commit a794d107ad85667e3d754f0b6251fc864dfbf288 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 14:33:49 2014 -0700 Yeah... everything compiles on win32 and wp8 commit 4740be6e4a0d16f742c27996e7ab2c100adc76af Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 13:58:38 2014 -0700 CCIME moved to base and compiles on Android commit ff3e1bf1eb27a01019f4e1b56d1aebbe2d385f72 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 13:02:57 2014 -0700 compiles Ok for Windows Phone 8 commit 8160a4eb2ecdc61b5bd1cf56b90d2da6f11e3ebd Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 12:25:31 2014 -0700 fixes for Windows Phone 8 commit 418197649efc93032aee0adc205e502101cdb53d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 11:15:13 2014 -0700 Compiles on Win32 commit 08813ed7cf8ac1079ffadeb1ce78ea9e833e1a33 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 10:08:31 2014 -0700 Compiles on linux! commit 118896521e5b335a5257090b6863f1fb2a2002fe Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 09:30:42 2014 -0700 moves cocos/2d/platform -> cocos/platform commit 4fe9319d7717b0c1bccb2db0156eeb86255a89e0 Merge: bd68ec2 511295e Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 08:24:41 2014 -0700 Merge remote-tracking branch 'cocos2d/v3' into files commit bd68ec2f0e3a826d8b2f4b60564ba65ce766bc56 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Thu May 15 19:36:23 2014 -0700 files in the correct directory
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#include "renderer/CCTexture2D.h"
#include "platform/CCImage.h"
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#if AX_ENABLE_CACHE_TEXTURE_DATA
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# include <list>
#endif
NS_AX_BEGIN
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/**
* @addtogroup _2d
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* @{
*/
/*
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* From version 3.0, TextureCache will never be treated as a singleton, it will be owned by director.
* All call by TextureCache::getInstance() should be replaced by Director::getInstance()->getTextureCache().
*/
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/** @brief Singleton that handles the loading of textures.
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* Once the texture is loaded, the next time it will return.
* A reference of the previously loaded texture reducing GPU & CPU memory.
*/
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class AX_DLL TextureCache : public Ref
{
public:
// ETC1 ALPHA supports.
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static void setETC1AlphaFileSuffix(std::string_view suffix);
static std::string getETC1AlphaFileSuffix();
public:
/**
* @js ctor
*/
TextureCache();
/**
* @js NA
* @lua NA
*/
virtual ~TextureCache();
/**
* @js NA
* @lua NA
*/
virtual std::string getDescription() const;
// Dictionary* snapshotTextures();
/** Returns a Texture2D object given an filename.
* If the filename was not previously loaded, it will create a new Texture2D.
* Object and it will return it. It will use the filename as a key.
* Otherwise it will return a reference of a previously loaded image.
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* Supported image extensions: .png, .bmp, .jpeg, .pvr.
@param filepath The file path.
*/
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Texture2D* addImage(std::string_view filepath);
Texture2D* addImage(std::string_view filepath, PixelFormat format);
/** Returns a Texture2D object given a file image.
* If the file image was not previously loaded, it will create a new Texture2D object and it will return it.
* Otherwise it will load a texture in a offthread, and when the image is loaded, the callback will be called with
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the Texture2D as a parameter.
* The callback will be called from the main thread, so it is safe to create any cocos2d object from the callback.
* Supported image extensions: .png, .jpg
@param filepath The file path.
@param callback A callback function would be invoked after the image is loaded.
@since v0.8
@remark Please don't invoke Texture2D::setDefaultAlphaPixelFormat in main GL thread before invoke this API.
*/
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virtual void addImageAsync(std::string_view filepath, const std::function<void(Texture2D*)>& callback);
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void addImageAsync(std::string_view path,
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const std::function<void(Texture2D*)>& callback,
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std::string_view callbackKey);
/** Unbind a specified bound image asynchronous callback.
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* In the case an object who was bound to an image asynchronous callback was destroyed before the callback is
* invoked, the object always need to unbind this callback manually.
* @param filename It's the related/absolute path of the file image.
* @since v3.1
*/
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virtual void unbindImageAsync(std::string_view filename);
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/** Unbind all bound image asynchronous load callbacks.
* @since v3.1
*/
virtual void unbindAllImageAsync();
/** Returns a Texture2D object given an Image.
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* If the image was not previously loaded, it will create a new Texture2D object and it will return it.
* Otherwise it will return a reference of a previously loaded image.
* @param key The "key" parameter will be used as the "key" for the cache.
* If "key" is nil, then a new texture will be created each time.
*/
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Texture2D* addImage(Image* image, std::string_view key);
Texture2D* addImage(Image* image, std::string_view key, PixelFormat format);
/** Returns an already created texture. Returns nil if the texture doesn't exist.
@param key It's the related/absolute path of the file image.
@since v0.99.5
*/
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Texture2D* getTextureForKey(std::string_view key) const;
/** Reload texture from the image file.
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* If the file image hasn't loaded before, load it.
* Otherwise the texture will be reloaded from the file image.
* @param fileName It's the related/absolute path of the file image.
* @return True if the reloading is succeed, otherwise return false.
*/
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bool reloadTexture(std::string_view fileName);
/** Purges the dictionary of loaded textures.
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* Call this method if you receive the "Memory Warning".
* In the short term: it will free some resources preventing your app from being killed.
* In the medium term: it will allocate more resources.
* In the long term: it will be the same.
*/
void removeAllTextures();
/** Removes unused textures.
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* Textures that have a retain count of 1 will be deleted.
* It is convenient to call this method after when starting a new Scene.
* @since v0.8
*/
void removeUnusedTextures();
/** Deletes a texture from the cache given a texture.
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*/
void removeTexture(Texture2D* texture);
/** Deletes a texture from the cache given a its key name.
@param key It's the related/absolute path of the file image.
@since v0.99.4
*/
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void removeTextureForKey(std::string_view key);
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/** Output to AXLOG the current contents of this TextureCache.
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* This will attempt to calculate the size of each texture, and the total texture memory in use.
*
* @since v1.0
*/
std::string getCachedTextureInfo() const;
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// Wait for texture cache to quit before destroy instance.
/**Called by director, please do not called outside.*/
void waitForQuit();
/**
* Get the file path of the texture
*
* @param texture A Texture2D object pointer.
*
* @return The full path of the file.
*/
std::string getTextureFilePath(Texture2D* texture) const;
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/** Reload texture from a new file.
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* This function is mainly for editor, won't suggest use it in game for performance reason.
*
* @param srcName Original texture file name.
* @param dstName New texture file name.
*
* @since v3.10
*/
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void renameTextureWithKey(std::string_view srcName, std::string_view dstName);
private:
void addImageAsyncCallBack(float dt);
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void loadImage();
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void parseNinePatchImage(Image* image, Texture2D* texture, std::string_view path);
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public:
protected:
struct AsyncStruct;
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std::thread* _loadingThread;
std::deque<AsyncStruct*> _asyncStructQueue;
std::deque<AsyncStruct*> _requestQueue;
std::deque<AsyncStruct*> _responseQueue;
std::mutex _requestMutex;
std::mutex _responseMutex;
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std::condition_variable _sleepCondition;
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bool _needQuit;
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int _asyncRefCount;
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hlookup::string_map<Texture2D*> _textures;
static std::string s_etc1AlphaFileSuffix;
};
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#if AX_ENABLE_CACHE_TEXTURE_DATA
class VolatileTexture
{
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typedef enum
{
kInvalid = 0,
kImageFile,
kImageData,
kString,
kImage,
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} ccCachedImageType;
private:
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VolatileTexture(Texture2D* t);
/**
* @js NA
* @lua NA
*/
~VolatileTexture();
protected:
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friend class VolatileTextureMgr;
Texture2D* _texture;
Image* _uiImage;
ccCachedImageType _cashedImageType;
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void* _textureData;
int _dataLen;
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Vec2 _textureSize;
backend::PixelFormat _pixelFormat;
std::string _fileName;
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std::string _text;
FontDefinition _fontDefinition;
};
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class AX_DLL VolatileTextureMgr
{
public:
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static void addImageTexture(Texture2D* tt, std::string_view imageFileName);
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static void addStringTexture(Texture2D* tt, const char* text, const FontDefinition& fontDefinition);
static void addDataTexture(Texture2D* tt,
void* data,
int dataLen,
backend::PixelFormat pixelFormat,
const Vec2& contentSize);
static void addImage(Texture2D* tt, Image* image);
static void removeTexture(Texture2D* t);
static void reloadAllTextures();
public:
static std::list<VolatileTexture*> _textures;
static bool _isReloading;
// find VolatileTexture by Texture2D*
// if not found, create a new one
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static VolatileTexture* findVolotileTexture(Texture2D* tt);
private:
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static void reloadTexture(Texture2D* texture, std::string_view filename, backend::PixelFormat pixelFormat);
};
#endif
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// end of textures group
/// @}
NS_AX_END
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#endif //__CCTEXTURE_CACHE_H__