dali-toolkit/internal/visuals/animated-image/rolling-animated-image-cache.cpp

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 // CLASS HEADER
  18 #include "rolling-animated-image-cache.h"
  19
  20 // INTERNAL HEADERS
  21 #include <dali-toolkit/devel-api/image-loader/texture-manager.h>
  22 #include <dali-toolkit/internal/visuals/image-atlas-manager.h> // For ImageAtlasManagerPtr
  23 #include <dali/integration-api/debug.h>
  24
  25 namespace
  26 {
  27 #if defined(DEBUG_ENABLED)
  28 Debug::Filter* gAnimImgLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_ANIMATED_IMAGE");
  29
  30 #define LOG_CACHE                                                                                                       \
  31   if(gAnimImgLogFilter->IsEnabledFor(Debug::Concise))                                                                   \
  32   {                                                                                                                     \
  33     std::ostringstream oss;                                                                                             \
  34     oss << "Size:" << mQueue.Count() << " [ ";                                                                          \
  35     for(std::size_t _i = 0; _i < mQueue.Count(); ++_i)                                                                  \
  36     {                                                                                                                   \
  37       oss << _i << "={ frm#: " << mQueue[_i].mFrameNumber << " tex: " << mTextureIds[mQueue[_i].mFrameNumber] << "}, "; \
  38     }                                                                                                                   \
  39     oss << " ]" << std::endl;                                                                                           \
  40     DALI_LOG_INFO(gAnimImgLogFilter, Debug::Concise, "%s", oss.str().c_str());                                          \
  41   }
  42
  43 #else
  44 #define LOG_CACHE
  45 #endif
  46
  47 static constexpr bool ENABLE_ORIENTATION_CORRECTION(true);
  48
  49 } // namespace
  50
  51 namespace Dali
  52 {
  53 namespace Toolkit
  54 {
  55 namespace Internal
  56 {
  57 namespace
  58 {
  59 static constexpr uint32_t SINGLE_IMAGE_COUNT = 1u;
  60 static constexpr uint32_t FIRST_FRAME_INDEX  = 0u;
  61 } // namespace
  62
  63 RollingAnimatedImageCache::RollingAnimatedImageCache(TextureManager&                     textureManager,
  64                                                      AnimatedImageLoading&               animatedImageLoading,
  65                                                      TextureManager::MaskingDataPointer& maskingData,
  66                                                      ImageCache::FrameReadyObserver&     observer,
  67                                                      uint16_t                            cacheSize,
  68                                                      uint16_t                            batchSize,
  69                                                      const Dali::WrapMode::Type&         wrapModeU,
  70                                                      const Dali::WrapMode::Type&         wrapModeV,
  71                                                      bool                                isSynchronousLoading,
  72                                                      bool                                preMultiplyOnLoad)
  73 : ImageCache(textureManager, maskingData, observer, batchSize, 0u),
  74   mImageUrl(animatedImageLoading.GetUrl()),
  75   mAnimatedImageLoading(animatedImageLoading),
  76   mFrameCount(SINGLE_IMAGE_COUNT),
  77   mFrameIndex(FIRST_FRAME_INDEX),
  78   mCacheSize(cacheSize),
  79   mQueue(cacheSize),
  80   mWrapModeU(wrapModeU),
  81   mWrapModeV(wrapModeV),
  82   mIsSynchronousLoading(isSynchronousLoading),
  83   mPreMultiplyOnLoad(preMultiplyOnLoad)
  84 {
  85   mTextureIds.resize(mFrameCount);
  86   mIntervals.assign(mFrameCount, 0);
  87 }
  88
  89 RollingAnimatedImageCache::~RollingAnimatedImageCache()
  90 {
  91   ClearCache();
  92   mAnimatedImageLoading.Reset();
  93 }
  94
  95 TextureSet RollingAnimatedImageCache::Frame(uint32_t frameIndex)
  96 {
  97   bool popExist = false;
  98   while(!mQueue.IsEmpty() && mQueue.Front().mFrameNumber != frameIndex)
  99   {
 100     PopFrontCache();
 101     popExist = true;
 102   }
 103
 104   TextureSet textureSet;
 105   uint32_t   batchFrameIndex = frameIndex;
 106   // If we need to load new frame that are not stored in queue.
 107   // Load the frame synchronously.
 108   bool synchronouslyLoaded = false;
 109   if(mIsSynchronousLoading && mQueue.IsEmpty())
 110   {
 111     textureSet        = RequestFrameLoading(frameIndex, true);
 112     batchFrameIndex   = (frameIndex + 1) % mFrameCount;
 113     uint32_t interval = 0u;
 114     if(textureSet)
 115     {
 116       synchronouslyLoaded = true;
 117       interval            = mAnimatedImageLoading.GetFrameInterval(mQueue.Back().mFrameNumber);
 118     }
 119     MakeFrameReady(synchronouslyLoaded, textureSet, interval);
 120   }
 121
 122   if(popExist || mQueue.IsEmpty() || synchronouslyLoaded)
 123   {
 124     // If the frame of frameIndex was already loaded, load batch from the last frame of queue
 125     if(!mQueue.IsEmpty())
 126     {
 127       if(!mLoadWaitingQueue.empty())
 128       {
 129         batchFrameIndex = (mLoadWaitingQueue.back() + 1) % mFrameCount;
 130       }
 131       else
 132       {
 133         batchFrameIndex = (mQueue.Back().mFrameNumber + 1) % mFrameCount;
 134       }
 135     }
 136     else
 137     {
 138       // If the request is for the first frame or a jumped frame(JUMP_TO) remove current waiting queue.
 139       mLoadWaitingQueue.clear();
 140       // If the queue is empty, and the frame of frameIndex is not loaded synchronously. load batch from the frame of frameIndex
 141       if(!textureSet)
 142       {
 143         batchFrameIndex = frameIndex;
 144       }
 145     }
 146     LoadBatch(batchFrameIndex);
 147   }
 148
 149   if(!textureSet && mLoadState != TextureManager::LoadState::LOAD_FAILED && IsFrontReady() == true)
 150   {
 151     textureSet = GetFrontTextureSet();
 152   }
 153
 154   return textureSet;
 155 }
 156
 157 TextureSet RollingAnimatedImageCache::FirstFrame()
 158 {
 159   TextureSet textureSet = Frame(FIRST_FRAME_INDEX);
 160   return textureSet;
 161 }
 162
 163 uint32_t RollingAnimatedImageCache::GetFrameInterval(uint32_t frameIndex) const
 164 {
 165   if(frameIndex >= mIntervals.size())
 166   {
 167     return 0u;
 168   }
 169   return mIntervals[frameIndex];
 170 }
 171
 172 int32_t RollingAnimatedImageCache::GetCurrentFrameIndex() const
 173 {
 174   if(mQueue.IsEmpty())
 175   {
 176     return -1;
 177   }
 178   return mQueue.Front().mFrameNumber;
 179 }
 180
 181 int32_t RollingAnimatedImageCache::GetTotalFrameCount() const
 182 {
 183   return mFrameCount;
 184 }
 185
 186 bool RollingAnimatedImageCache::IsFrontReady() const
 187 {
 188   return (!mQueue.IsEmpty() && mQueue.Front().mReady);
 189 }
 190
 191 TextureSet RollingAnimatedImageCache::RequestFrameLoading(uint32_t frameIndex, bool synchronousLoading)
 192 {
 193   ImageFrame imageFrame;
 194   imageFrame.mFrameNumber = frameIndex;
 195   imageFrame.mReady       = false;
 196
 197   mQueue.PushBack(imageFrame);
 198
 199   mLoadState = TextureManager::LoadState::LOADING;
 200
 201   auto preMultiplyOnLoading = mPreMultiplyOnLoad ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD
 202                                                  : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
 203
 204   TextureManager::TextureId loadTextureId = TextureManager::INVALID_TEXTURE_ID;
 205   TextureSet                textureSet    = mTextureManager.LoadAnimatedImageTexture(mImageUrl,
 206                                                                    mAnimatedImageLoading,
 207                                                                    frameIndex,
 208                                                                    loadTextureId,
 209                                                                    mMaskingData,
 210                                                                    SamplingMode::BOX_THEN_LINEAR,
 211                                                                    synchronousLoading,
 212                                                                    this,
 213                                                                    preMultiplyOnLoading);
 214   if(textureSet)
 215   {
 216     Sampler sampler = Sampler::New();
 217     sampler.SetWrapMode(mWrapModeU, mWrapModeV);
 218     textureSet.SetSampler(0u, sampler);
 219   }
 220
 221   mTextureIds[frameIndex] = loadTextureId;
 222
 223   return textureSet;
 224 }
 225
 226 void RollingAnimatedImageCache::LoadBatch(uint32_t frameIndex)
 227 {
 228   // Try and load up to mBatchSize images, until the cache is filled.
 229   // Once the cache is filled, as frames progress, the old frame is
 230   // removed, and another frame is loaded
 231   uint32_t minimumSize = std::min(mCacheSize, mFrameCount);
 232   for(uint32_t i = 0; i < mBatchSize && (mQueue.Count() + mLoadWaitingQueue.size()) < minimumSize; ++i)
 233   {
 234     if(mLoadState != TextureManager::LoadState::LOADING)
 235     {
 236       RequestFrameLoading(frameIndex, false);
 237     }
 238     else
 239     {
 240       mLoadWaitingQueue.push_back(frameIndex);
 241     }
 242
 243     frameIndex++;
 244     frameIndex %= mFrameCount;
 245   }
 246
 247   LOG_CACHE;
 248 }
 249
 250 void RollingAnimatedImageCache::SetImageFrameReady(TextureManager::TextureId textureId)
 251 {
 252   for(std::size_t i = 0; i < mQueue.Count(); ++i)
 253   {
 254     if(GetCachedTextureId(i) == textureId)
 255     {
 256       mQueue[i].mReady = true;
 257       break;
 258     }
 259   }
 260 }
 261
 262 TextureSet RollingAnimatedImageCache::GetFrontTextureSet() const
 263 {
 264   DALI_LOG_INFO(gAnimImgLogFilter, Debug::Concise, "RollingAnimatedImageCache::GetFrontTextureSet() FrameNumber:%d\n", mQueue[0].mFrameNumber);
 265
 266   TextureManager::TextureId textureId = GetCachedTextureId(0);
 267   TextureSet textureSet = mTextureManager.GetTextureSet(textureId);
 268   if(textureSet)
 269   {
 270     Sampler sampler = Sampler::New();
 271     sampler.SetWrapMode(mWrapModeU, mWrapModeV);
 272     textureSet.SetSampler(0u, sampler);
 273   }
 274   return textureSet;
 275 }
 276
 277 TextureManager::TextureId RollingAnimatedImageCache::GetCachedTextureId(int index) const
 278 {
 279   return mTextureIds[mQueue[index].mFrameNumber];
 280 }
 281
 282 void RollingAnimatedImageCache::PopFrontCache()
 283 {
 284   ImageFrame imageFrame = mQueue.PopFront();
 285   mTextureManager.Remove(mTextureIds[imageFrame.mFrameNumber], this);
 286   mTextureIds[imageFrame.mFrameNumber] = TextureManager::INVALID_TEXTURE_ID;
 287
 288   if(mMaskingData && mMaskingData->mAlphaMaskId != TextureManager::INVALID_TEXTURE_ID)
 289   {
 290     if(mQueue.IsEmpty())
 291     {
 292       mMaskingData->mAlphaMaskId = TextureManager::INVALID_TEXTURE_ID;
 293     }
 294   }
 295 }
 296
 297 void RollingAnimatedImageCache::ClearCache()
 298 {
 299   while(mTextureManagerAlive && !mQueue.IsEmpty())
 300   {
 301     PopFrontCache();
 302   }
 303   mLoadWaitingQueue.clear();
 304   mLoadState = TextureManager::LoadState::NOT_STARTED;
 305 }
 306
 307 void RollingAnimatedImageCache::MakeFrameReady(bool loadSuccess, TextureSet textureSet, uint32_t interval)
 308 {
 309   if(!loadSuccess)
 310   {
 311     mLoadState = TextureManager::LoadState::LOAD_FAILED;
 312     mObserver.FrameReady(TextureSet(), 0);
 313   }
 314   else
 315   {
 316     mLoadState = TextureManager::LoadState::LOAD_FINISHED;
 317
 318     // Reset size of Queue according to the real frame count.
 319     if(mFrameCount != mAnimatedImageLoading.GetImageCount())
 320     {
 321       mFrameCount = mAnimatedImageLoading.GetImageCount();
 322       mTextureIds.resize(mFrameCount);
 323       mIntervals.assign(mFrameCount, 0u);
 324     }
 325
 326     bool frontFrameReady = IsFrontReady();
 327     // Because only one frame is on loading and the others are in mLoadWaitingQueue,
 328     // mQueue.Back() is always the frame currently loaded.
 329     mQueue.Back().mReady                   = true;
 330     mIntervals[mQueue.Back().mFrameNumber] = interval;
 331     // Check whether currently loaded frame is front of queue or not.
 332     // If it is, notify frame ready to observer.
 333     if(frontFrameReady == false && IsFrontReady())
 334     {
 335       mObserver.FrameReady(textureSet, interval);
 336     }
 337   }
 338 }
 339
 340 void RollingAnimatedImageCache::LoadComplete(bool loadSuccess, TextureInformation textureInformation)
 341 {
 342   DALI_LOG_INFO(gAnimImgLogFilter, Debug::Concise, "AnimatedImageVisual::LoadComplete(textureId:%d) start\n", textureInformation.textureId);
 343   LOG_CACHE;
 344
 345   if(textureInformation.textureSet)
 346   {
 347     Sampler sampler = Sampler::New();
 348     sampler.SetWrapMode(mWrapModeU, mWrapModeV);
 349     textureInformation.textureSet.SetSampler(0u, sampler);
 350   }
 351
 352   MakeFrameReady(loadSuccess, textureInformation.textureSet, textureInformation.interval);
 353
 354   if(loadSuccess)
 355   {
 356     // The frames of a single animated image can not be loaded parallelly.
 357     // Therefore, a frame is now loading, other orders are waiting.
 358     // And, after the frame is loaded, requests load of next order.
 359     if(!mLoadWaitingQueue.empty())
 360     {
 361       uint32_t loadingIndex = mLoadWaitingQueue.front();
 362       mLoadWaitingQueue.erase(mLoadWaitingQueue.begin());
 363       RequestFrameLoading(loadingIndex, false);
 364     }
 365     else if(mQueue.Count() == 1u && textureInformation.frameCount > SINGLE_IMAGE_COUNT)
 366     {
 367       // There is only an image in queue and no waiting queue.
 368       // Request to load batch once again.
 369       uint32_t batchFrameIndex = 0u;
 370       if(!mLoadWaitingQueue.empty())
 371       {
 372         batchFrameIndex = (mLoadWaitingQueue.back() + 1) % mFrameCount;
 373       }
 374       else
 375       {
 376         batchFrameIndex = (mQueue.Back().mFrameNumber + 1) % mFrameCount;
 377       }
 378       LoadBatch(batchFrameIndex);
 379     }
 380   }
 381
 382   LOG_CACHE;
 383 }
 384
 385 } //namespace Internal
 386 } //namespace Toolkit
 387 } //namespace Dali