2 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include "texture-cache-manager.h"
22 #include <dali/devel-api/common/hash.h>
23 #include <dali/integration-api/debug.h>
34 extern Debug::Filter* gTextureManagerLogFilter; ///< Define at texture-manager-impl.cpp
37 #define GET_LOAD_STATE_STRING(loadState) \
38 loadState == TextureManagerType::LoadState::NOT_STARTED ? "NOT_STARTED" : \
39 loadState == TextureManagerType::LoadState::LOADING ? "LOADING" : \
40 loadState == TextureManagerType::LoadState::LOAD_FINISHED ? "LOAD_FINISHED" : \
41 loadState == TextureManagerType::LoadState::WAITING_FOR_MASK ? "WAITING_FOR_MASK" : \
42 loadState == TextureManagerType::LoadState::MASK_APPLYING ? "MASK_APPLYING" : \
43 loadState == TextureManagerType::LoadState::MASK_APPLIED ? "MASK_APPLIED" : \
44 loadState == TextureManagerType::LoadState::UPLOADED ? "UPLOADED" : \
45 loadState == TextureManagerType::LoadState::CANCELLED ? "CANCELLED" : \
46 loadState == TextureManagerType::LoadState::LOAD_FAILED ? "LOAD_FAILED" : \
51 // Due to the compile issue, this specialized template code must be defined top of this code.
53 void TextureCacheManager::RemoveTextureInfoByIndex<TextureCacheManager::EncodedImageBufferInfoContainerType>(TextureCacheManager::EncodedImageBufferInfoContainerType& cacheContainer, const TextureCacheManager::TextureCacheIndex& removeContainerIndex)
55 // Swap last data of cacheContainer.
56 if(static_cast<std::size_t>(removeContainerIndex.GetIndex() + 1) < cacheContainer.size())
58 // First, change the cache index infomations inside of converter
59 mTextureIdConverter[cacheContainer.back().bufferId] = static_cast<std::uint32_t>(removeContainerIndex);
61 // After change converter, swap the value between current data and last data.
62 std::swap(cacheContainer[removeContainerIndex.GetIndex()], cacheContainer.back());
65 // Now we can assume that latest data should be removed. pop_back.
66 cacheContainer.pop_back();
69 template<class ContainerType>
70 void TextureCacheManager::RemoveTextureInfoByIndex(ContainerType& cacheContainer, const TextureCacheManager::TextureCacheIndex& removeContainerIndex)
72 // Swap last data of cacheContainer.
73 if(static_cast<std::size_t>(removeContainerIndex.GetIndex() + 1) < cacheContainer.size())
75 // First, change the cache index infomations inside of converter
76 mTextureIdConverter[cacheContainer.back().textureId] = static_cast<std::uint32_t>(removeContainerIndex);
78 // After change converter, swap the value between current data and last data.
79 std::swap(cacheContainer[removeContainerIndex.GetIndex()], cacheContainer.back());
82 // Now we can assume that latest data should be removed. pop_back.
83 cacheContainer.pop_back();
86 TextureCacheManager::TextureCacheManager()
90 TextureCacheManager::~TextureCacheManager()
94 VisualUrl TextureCacheManager::GetVisualUrl(const TextureCacheManager::TextureId& textureId)
96 VisualUrl visualUrl("");
97 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(textureId)]);
99 switch(static_cast<TextureCacheIndexType>(cacheIndex.detailValue.type))
101 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL:
103 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::GetVisualUrl. Using cached texture index=%d, textureId=%d\n", cacheIndex.GetIndex(), textureId);
105 TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex.GetIndex()]);
106 visualUrl = cachedTextureInfo.url;
109 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_TEXTURE:
111 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::GetVisualUrl. Using cached external texture index=%d, textureId=%d\n", cacheIndex.GetIndex(), textureId);
112 visualUrl = VisualUrl::CreateTextureUrl(std::to_string(textureId));
115 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_BUFFER:
117 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::GetVisualUrl. Using cached buffer index=%d, bufferId=%d\n", cacheIndex.GetIndex(), textureId);
118 visualUrl = VisualUrl::CreateBufferUrl(std::to_string(textureId));
130 TextureCacheManager::LoadState TextureCacheManager::GetTextureState(const TextureCacheManager::TextureId& textureId)
132 LoadState loadState = TextureCacheManager::LoadState::NOT_STARTED;
133 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(textureId)]);
135 switch(static_cast<TextureCacheIndexType>(cacheIndex.detailValue.type))
137 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL:
139 TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex.GetIndex()]);
140 loadState = cachedTextureInfo.loadState;
143 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_TEXTURE:
145 loadState = LoadState::UPLOADED;
157 TextureCacheManager::LoadState TextureCacheManager::GetTextureStateInternal(const TextureCacheManager::TextureId& textureId)
159 LoadState loadState = TextureCacheManager::LoadState::NOT_STARTED;
160 TextureCacheIndex cacheIndex = GetCacheIndexFromId(textureId);
161 if(cacheIndex != INVALID_CACHE_INDEX)
163 TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex.GetIndex()]);
164 loadState = cachedTextureInfo.loadState;
170 TextureSet TextureCacheManager::GetTextureSet(const TextureCacheManager::TextureId& textureId)
172 TextureSet textureSet; // empty handle
173 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(textureId)]);
175 switch(static_cast<TextureCacheIndexType>(cacheIndex.detailValue.type))
177 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL:
179 TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex.GetIndex()]);
180 textureSet = cachedTextureInfo.textureSet;
183 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_TEXTURE:
185 textureSet = mExternalTextures[cacheIndex.GetIndex()].textureSet;
197 TextureSet TextureCacheManager::GetExternalTextureSet(const TextureCacheManager::TextureId& textureId)
199 TextureSet textureSet; // empty handle
200 TextureCacheIndex cacheIndex = GetCacheIndexFromExternalTextureId(textureId);
201 if(cacheIndex != INVALID_CACHE_INDEX)
203 textureSet = mExternalTextures[cacheIndex.GetIndex()].textureSet;
208 EncodedImageBuffer TextureCacheManager::GetEncodedImageBuffer(const TextureCacheManager::TextureId& bufferId)
210 EncodedImageBuffer encodedImageBuffer; // empty handle
211 TextureCacheIndex cacheIndex = GetCacheIndexFromEncodedImageBufferId(bufferId);
212 if(cacheIndex != INVALID_CACHE_INDEX)
214 encodedImageBuffer = mEncodedImageBuffers[cacheIndex.GetIndex()].encodedImageBuffer;
216 return encodedImageBuffer;
219 EncodedImageBuffer TextureCacheManager::GetEncodedImageBuffer(const VisualUrl& url)
221 EncodedImageBuffer encodedImageBuffer; // empty handle
222 if(url.IsValid() && VisualUrl::BUFFER == url.GetProtocolType())
224 std::string location = url.GetLocation();
225 if(location.size() > 0u)
227 TextureId bufferId = std::stoi(location);
228 return GetEncodedImageBuffer(bufferId);
231 return encodedImageBuffer;
234 std::string TextureCacheManager::AddExternalTexture(const TextureSet& textureSet)
236 TextureId textureId = GenerateTextureId(TextureCacheIndex(TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_TEXTURE, mExternalTextures.size()));
238 TextureCacheManager::ExternalTextureInfo textureInfo(textureId, textureSet);
239 mExternalTextures.emplace_back(textureInfo);
241 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::AddExternalTexture() : New texture registered. textureId:%d\n", textureInfo.textureId);
243 return VisualUrl::CreateTextureUrl(std::to_string(textureInfo.textureId));
246 std::string TextureCacheManager::AddEncodedImageBuffer(const EncodedImageBuffer& encodedImageBuffer)
249 TextureHash bufferHash = static_cast<TextureHash>(encodedImageBuffer.GetHash());
250 TextureCacheIndex bufferCacheIndex = FindCachedEncodedImageBuffer(bufferHash, encodedImageBuffer);
251 if(bufferCacheIndex != INVALID_CACHE_INDEX)
253 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[bufferCacheIndex.GetIndex()]);
255 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::AddExternalEncodedImageBuffer() : Increase reference. bufferId:%d, cache index:%d, reference:%d\n", bufferInfo.bufferId, bufferCacheIndex.GetIndex(), static_cast<int>(bufferInfo.referenceCount));
257 // If same buffer added, increase reference count and return.
258 bufferInfo.referenceCount++;
259 return VisualUrl::CreateBufferUrl(std::to_string(bufferInfo.bufferId));
262 TextureId bufferId = GenerateTextureId(TextureCacheIndex(TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_BUFFER, mEncodedImageBuffers.size()));
264 TextureCacheManager::EncodedImageBufferInfo info(bufferId, bufferHash, encodedImageBuffer);
265 mEncodedImageBuffers.emplace_back(info);
267 // Insert TextureHashContainer
268 // Find exist list -or- Create new list.
269 std::vector<TextureId>& idList = mTextureHashContainer[bufferHash];
270 // We already assume that list doesn't contain id. just emplace back
271 idList.emplace_back(bufferId);
273 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::AddExternalEncodedImageBuffer() : New buffer regested. bufferId:%d\n", info.bufferId);
275 return VisualUrl::CreateBufferUrl(std::to_string(info.bufferId));
278 TextureSet TextureCacheManager::RemoveExternalTexture(const VisualUrl& url)
280 TextureSet textureSet;
281 bool removeTextureInfo = false;
282 TextureCacheIndex removeTextureIndex = INVALID_CACHE_INDEX;
285 if(VisualUrl::TEXTURE == url.GetProtocolType())
287 // get the location from the Url
288 std::string location = url.GetLocation();
289 if(location.size() > 0u)
291 TextureId textureId = std::stoi(location);
292 removeTextureIndex = GetCacheIndexFromExternalTextureId(textureId);
293 if(removeTextureIndex != INVALID_CACHE_INDEX)
295 ExternalTextureInfo& textureInfo(mExternalTextures[removeTextureIndex.GetIndex()]);
296 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::RemoveExternalTexture(url:%s) textureId:%d reference:%d\n", url.GetUrl().c_str(), textureId, static_cast<int>(textureInfo.referenceCount));
297 textureSet = textureInfo.textureSet;
298 if(--(textureInfo.referenceCount) <= 0)
300 removeTextureInfo = true;
301 // id life is finished. Remove it at converter
302 mTextureIdConverter.Remove(textureId);
309 // Post removal process to avoid mExternalTextures reference problems.
310 if(removeTextureInfo)
312 // Swap last data of mExternalTextures, and pop_back.
313 RemoveTextureInfoByIndex(mExternalTextures, removeTextureIndex);
318 EncodedImageBuffer TextureCacheManager::RemoveEncodedImageBuffer(const VisualUrl& url)
320 EncodedImageBuffer encodedImageBuffer;
321 bool removeBufferInfo = false;
322 TextureCacheIndex removeBufferIndex = INVALID_CACHE_INDEX;
325 if(VisualUrl::BUFFER == url.GetProtocolType())
327 // get the location from the Url
328 std::string location = url.GetLocation();
329 if(location.size() > 0u)
331 TextureId bufferId = std::stoi(location);
332 removeBufferIndex = GetCacheIndexFromEncodedImageBufferId(bufferId);
334 if(removeBufferIndex != INVALID_CACHE_INDEX)
336 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[removeBufferIndex.GetIndex()]);
337 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::RemoveEncodedImageBuffer(url:%s) bufferId:%d reference:%d\n", url.GetUrl().c_str(), bufferId, static_cast<int>(bufferInfo.referenceCount));
339 encodedImageBuffer = bufferInfo.encodedImageBuffer;
340 if(--(bufferInfo.referenceCount) <= 0)
342 removeBufferInfo = true;
343 // Step 1. remove current textureId information in mTextureHashContainer.
344 RemoveHashId(bufferInfo.bufferHash, bufferId);
345 // Step 2. id life is finished. Remove it at converter
346 mTextureIdConverter.Remove(bufferId);
353 // Post removal process to avoid mEncodedImageBuffers reference problems.
356 // Step 3. swap last data of mEncodedImageBuffers, and pop_back.
357 RemoveTextureInfoByIndex(mEncodedImageBuffers, removeBufferIndex);
359 return encodedImageBuffer;
362 void TextureCacheManager::UseExternalResource(const VisualUrl& url)
364 if(VisualUrl::TEXTURE == url.GetProtocolType())
366 std::string location = url.GetLocation();
367 if(location.size() > 0u)
369 TextureId id = std::stoi(location);
370 TextureCacheIndex cacheIndex = GetCacheIndexFromExternalTextureId(id);
371 if(cacheIndex != INVALID_CACHE_INDEX)
373 ExternalTextureInfo& textureInfo(mExternalTextures[cacheIndex.GetIndex()]);
374 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::UseExternalResource(url:%s) type:TEXTURE, location:%s, reference:%d\n", url.GetUrl().c_str(), url.GetLocation().c_str(), static_cast<int>(textureInfo.referenceCount));
376 textureInfo.referenceCount++;
381 else if(VisualUrl::BUFFER == url.GetProtocolType())
383 std::string location = url.GetLocation();
384 if(location.size() > 0u)
386 TextureId id = std::stoi(location);
387 TextureCacheIndex cacheIndex = GetCacheIndexFromEncodedImageBufferId(id);
388 if(cacheIndex != INVALID_CACHE_INDEX)
390 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[cacheIndex.GetIndex()]);
391 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::UseExternalResource(url:%s) type:BUFFER, location:%s, reference:%d\n", url.GetUrl().c_str(), url.GetLocation().c_str(), static_cast<int>(bufferInfo.referenceCount));
393 bufferInfo.referenceCount++;
400 TextureCacheManager::TextureId TextureCacheManager::GenerateTextureId(const TextureCacheIndex& textureCacheIndex)
402 return mTextureIdConverter.Add(static_cast<std::uint32_t>(textureCacheIndex.indexValue));
405 TextureCacheManager::TextureCacheIndex TextureCacheManager::GetCacheIndexFromId(const TextureCacheManager::TextureId& textureId)
407 if(textureId == INVALID_TEXTURE_ID) return INVALID_CACHE_INDEX;
409 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(textureId)]);
410 if(DALI_UNLIKELY(cacheIndex.detailValue.type != TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL))
412 return INVALID_CACHE_INDEX;
415 DALI_ASSERT_DEBUG(static_cast<std::size_t>(cacheIndex.GetIndex()) < mTextureInfoContainer.size());
420 TextureCacheManager::TextureCacheIndex TextureCacheManager::GetCacheIndexFromExternalTextureId(const TextureCacheManager::TextureId& textureId)
422 if(textureId == INVALID_TEXTURE_ID) return INVALID_CACHE_INDEX;
424 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(textureId)]);
425 if(DALI_UNLIKELY(cacheIndex.detailValue.type != TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_TEXTURE))
427 return INVALID_CACHE_INDEX;
430 DALI_ASSERT_DEBUG(static_cast<std::size_t>(cacheIndex.GetIndex()) < mExternalTextures.size());
435 TextureCacheManager::TextureCacheIndex TextureCacheManager::GetCacheIndexFromEncodedImageBufferId(const TextureCacheManager::TextureId& bufferId)
437 if(bufferId == INVALID_TEXTURE_ID) return INVALID_CACHE_INDEX;
439 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(bufferId)]);
440 if(DALI_UNLIKELY(cacheIndex.detailValue.type != TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_BUFFER))
442 return INVALID_CACHE_INDEX;
445 DALI_ASSERT_DEBUG(static_cast<std::size_t>(cacheIndex.GetIndex()) < mEncodedImageBuffers.size());
450 TextureCacheManager::TextureCacheIndex TextureCacheManager::FindCachedEncodedImageBuffer(const TextureCacheManager::TextureHash& hash, const EncodedImageBuffer& encodedImageBuffer)
452 // Iterate through our hashes to find a match.
453 const auto& hashIterator = mTextureHashContainer.find(hash);
454 if(hashIterator != mTextureHashContainer.cend())
456 for(const auto& id : hashIterator->second)
458 // We have a match, now we check all the original parameters in case of a hash collision.
459 TextureCacheIndex cacheIndex = GetCacheIndexFromEncodedImageBufferId(id);
460 if(cacheIndex != INVALID_CACHE_INDEX)
462 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[cacheIndex.GetIndex()]);
464 if(bufferInfo.encodedImageBuffer == encodedImageBuffer)
466 // The found encoded image buffer.
473 // Default to an invalid ID, in case we do not find a match.
474 return INVALID_CACHE_INDEX;
477 TextureCacheManager::TextureHash TextureCacheManager::GenerateHash(
478 const VisualUrl& url,
479 const Dali::ImageDimensions& size,
480 const Dali::FittingMode::Type& fittingMode,
481 const Dali::SamplingMode::Type& samplingMode,
482 const TextureCacheManager::UseAtlas& useAtlas,
483 const TextureCacheManager::TextureId& maskTextureId,
484 const bool& cropToMask,
485 const std::uint32_t& frameIndex)
487 std::vector<std::uint8_t> hashTarget;
488 const uint16_t width = size.GetWidth();
489 const uint16_t height = size.GetWidth();
491 // If either the width or height has been specified, include the resizing options in the hash
492 if(width != 0 || height != 0)
494 // We are appending 5 bytes to the URL to form the hash input.
495 hashTarget.resize(5u);
496 std::uint8_t* hashTargetPtr = &(hashTarget[0u]);
498 // Pack the width and height (4 bytes total).
499 *hashTargetPtr++ = size.GetWidth() & 0xff;
500 *hashTargetPtr++ = (size.GetWidth() >> 8u) & 0xff;
501 *hashTargetPtr++ = size.GetHeight() & 0xff;
502 *hashTargetPtr++ = (size.GetHeight() >> 8u) & 0xff;
504 // Bit-pack the FittingMode, SamplingMode and atlasing.
505 // FittingMode=2bits, SamplingMode=3bits, useAtlas=1bit
506 *hashTargetPtr = (fittingMode << 4u) | (samplingMode << 1) | (useAtlas == UseAtlas::USE_ATLAS ? 1 : 0);
510 // We are not including sizing information, but we still need an extra byte for atlasing.
511 hashTarget.resize(1u);
513 // Add the atlasing to the hash input.
516 case UseAtlas::NO_ATLAS:
518 hashTarget[0u] = 'f';
521 case UseAtlas::USE_ATLAS:
523 hashTarget[0u] = 't';
529 if(maskTextureId != INVALID_TEXTURE_ID)
531 auto textureIdIndex = hashTarget.size();
532 hashTarget.resize(hashTarget.size() + sizeof(TextureId) + 1u);
533 std::uint8_t* hashTargetPtr = reinterpret_cast<std::uint8_t*>(&(hashTarget[textureIdIndex]));
535 // Append the texture id to the end of the URL byte by byte:
536 // (to avoid SIGBUS / alignment issues)
537 TextureId saltedMaskTextureId = maskTextureId;
538 for(size_t byteIter = 0; byteIter < sizeof(TextureId); ++byteIter)
540 *hashTargetPtr++ = saltedMaskTextureId & 0xff;
541 saltedMaskTextureId >>= 8u;
543 *hashTargetPtr++ = (cropToMask ? 'C' : 'M');
546 // Append the frameIndex. We don't do additional job when frameIndex = 0u due to the non-animated image case.
549 auto textureIdIndex = hashTarget.size();
550 hashTarget.resize(hashTarget.size() + sizeof(std::uint32_t));
551 std::uint8_t* hashTargetPtr = reinterpret_cast<std::uint8_t*>(&(hashTarget[textureIdIndex]));
553 // Append the frame index to the end of the URL byte by byte:
554 std::uint32_t saltedFrameIndex = frameIndex;
555 for(size_t byteIter = 0; byteIter < sizeof(std::uint8_t); ++byteIter)
557 *hashTargetPtr++ = saltedFrameIndex & 0xff;
558 saltedFrameIndex >>= 8u;
562 return url.GetUrlHash() ^ Dali::CalculateHash(hashTarget);
565 TextureCacheManager::TextureCacheIndex TextureCacheManager::FindCachedTexture(
566 const TextureCacheManager::TextureHash& hash,
567 const VisualUrl& url,
568 const Dali::ImageDimensions& size,
569 const Dali::FittingMode::Type& fittingMode,
570 const Dali::SamplingMode::Type& samplingMode,
571 const TextureCacheManager::UseAtlas& useAtlas,
572 const StorageType& storageType,
573 const TextureCacheManager::TextureId& maskTextureId,
574 const bool& cropToMask,
575 const TextureCacheManager::MultiplyOnLoad& preMultiplyOnLoad,
576 const bool& isAnimatedImage,
577 const std::uint32_t& frameIndex)
579 // Iterate through our hashes to find a match.
580 const auto& hashIterator = mTextureHashContainer.find(hash);
581 if(hashIterator != mTextureHashContainer.cend())
583 for(const auto& textureId : hashIterator->second)
585 // We have a match, now we check all the original parameters in case of a hash collision.
586 TextureCacheIndex cacheIndex = GetCacheIndexFromId(textureId);
587 if(cacheIndex != INVALID_CACHE_INDEX)
589 TextureInfo& textureInfo(mTextureInfoContainer[cacheIndex.GetIndex()]);
591 if((url.GetUrl() == textureInfo.url.GetUrl()) &&
592 (useAtlas == textureInfo.useAtlas) &&
593 (maskTextureId == textureInfo.maskTextureId) &&
594 (cropToMask == textureInfo.cropToMask) &&
595 (size == textureInfo.desiredSize) &&
596 (isAnimatedImage == textureInfo.isAnimatedImageFormat) &&
597 (storageType == textureInfo.storageType) &&
598 (frameIndex == textureInfo.frameIndex) &&
599 ((size.GetWidth() == 0 && size.GetHeight() == 0) ||
600 (fittingMode == textureInfo.fittingMode &&
601 samplingMode == textureInfo.samplingMode)))
603 // 1. If preMultiplyOnLoad is MULTIPLY_ON_LOAD, then textureInfo.preMultiplyOnLoad should be true. The premultiplication result can be different.
604 // 2. If preMultiplyOnLoad is LOAD_WITHOUT_MULTIPLY, then textureInfo.preMultiplied should be false.
605 if((preMultiplyOnLoad == MultiplyOnLoad::MULTIPLY_ON_LOAD && textureInfo.preMultiplyOnLoad) || (preMultiplyOnLoad == MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY && !textureInfo.preMultiplied))
607 // The found Texture is a match.
615 // Default to an invalid ID, in case we do not find a match.
616 return INVALID_CACHE_INDEX;
619 TextureCacheManager::TextureCacheIndex TextureCacheManager::AppendCache(const TextureCacheManager::TextureInfo& textureInfo)
621 // If we use EncodedImageBuffer, increase reference during it contains mTextureInfoContainer.
622 // This reference will be decreased when we call RemoveCache
623 if(textureInfo.url.GetProtocolType() == VisualUrl::BUFFER)
625 UseExternalResource(textureInfo.url);
628 TextureHash hash = textureInfo.hash;
629 TextureId id = textureInfo.textureId;
631 // Insert TextureHash container first
632 // Find exist list -or- Create new list.
633 std::vector<TextureId>& idList = mTextureHashContainer[hash];
634 // We already assume that list doesn't contain id. just emplace back
635 idList.emplace_back(id);
637 // Insert TextureInfo back of mTextureInfoContainer.
638 TextureCacheIndex cacheIndex = TextureCacheIndex(TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL, mTextureInfoContainer.size());
639 mTextureInfoContainer.emplace_back(textureInfo);
641 // Add converter id --> cacheIndex
642 // NOTE : We should assume that id already generated by GenerateTextureId function.
643 mTextureIdConverter[id] = cacheIndex;
648 void TextureCacheManager::RemoveCache(const TextureCacheManager::TextureId& textureId)
650 TextureCacheIndex textureInfoIndex = GetCacheIndexFromId(textureId);
652 bool removeTextureInfo = false;
654 if(textureInfoIndex != INVALID_CACHE_INDEX)
656 TextureInfo& textureInfo(mTextureInfoContainer[textureInfoIndex.GetIndex()]);
658 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::Remove(textureId:%d) url:%s\n cacheIdx:%d loadState:%s reference count = %d\n", textureId, textureInfo.url.GetUrl().c_str(), textureInfoIndex.GetIndex(), GET_LOAD_STATE_STRING(textureInfo.loadState), textureInfo.referenceCount);
660 // Decrement the reference count and check if this is the last user of this Texture.
661 if(--textureInfo.referenceCount <= 0)
663 // This is the last remove for this Texture.
664 textureInfo.referenceCount = 0;
666 // If loaded, we can remove the TextureInfo and the Atlas (if atlased).
667 if(textureInfo.loadState == LoadState::UPLOADED)
669 if(textureInfo.atlas)
671 textureInfo.atlas.Remove(textureInfo.atlasRect);
673 removeTextureInfo = true;
675 else if(textureInfo.loadState == LoadState::LOADING || textureInfo.loadState == LoadState::MASK_APPLYING)
677 // We mark the textureInfo for removal.
678 // Once the load has completed, this method will be called again.
679 textureInfo.loadState = LoadState::CANCELLED;
683 // In other states, we are not waiting for a load so we are safe to remove the TextureInfo data.
684 removeTextureInfo = true;
687 // If the state allows us to remove the TextureInfo data, we do so.
688 if(removeTextureInfo)
690 // If url location is BUFFER, decrease reference count of EncodedImageBuffer.
691 if(textureInfo.url.IsBufferResource())
693 RemoveEncodedImageBuffer(textureInfo.url.GetUrl());
696 // Permanently remove the textureInfo struct.
698 // Step 1. remove current textureId information in mTextureHashContainer.
699 RemoveHashId(textureInfo.hash, textureId);
700 // Step 2. make textureId is not using anymore. After this job, we can reuse textureId.
701 mTextureIdConverter.Remove(textureId);
706 // Post removal process to avoid mTextureInfoContainer reference problems.
707 if(removeTextureInfo)
709 // Step 3. swap last data of TextureInfoContainer, and pop_back.
710 RemoveTextureInfoByIndex(mTextureInfoContainer, textureInfoIndex);
714 void TextureCacheManager::RemoveHashId(const TextureCacheManager::TextureHash& textureHash, const TextureCacheManager::TextureId& textureId)
716 auto hashIterator = mTextureHashContainer.find(textureHash);
717 if(hashIterator != mTextureHashContainer.end())
719 auto hashIdList = hashIterator->second;
720 const auto& hashIdIterator = std::find(hashIdList.cbegin(), hashIdList.cend(), textureId);
721 if(hashIdIterator != hashIdList.cend())
723 hashIdList.erase(hashIdIterator);
724 if(hashIdList.size() == 0)
726 // If id list in current hash is empty, remove it self in the container.
727 mTextureHashContainer.erase(hashIterator);
733 } // namespace Internal
735 } // namespace Toolkit