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 Texture TextureCacheManager::GetTexture(const TextureCacheManager::TextureId& textureId, uint32_t textureIndex)
172 Texture texture; // empty handle
173 TextureCacheIndex cacheIndex = GetCacheIndexFromId(textureId);
175 switch(static_cast<TextureCacheIndexType>(cacheIndex.detailValue.type))
177 case TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL:
179 TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex.GetIndex()]);
180 if(textureIndex < static_cast<uint32_t>(cachedTextureInfo.textures.size()))
182 texture = cachedTextureInfo.textures[textureIndex];
195 TextureSet TextureCacheManager::GetExternalTextureSet(const TextureCacheManager::TextureId& textureId)
197 TextureSet textureSet; // empty handle
198 TextureCacheIndex cacheIndex = GetCacheIndexFromExternalTextureId(textureId);
199 if(cacheIndex != INVALID_CACHE_INDEX)
201 textureSet = mExternalTextures[cacheIndex.GetIndex()].textureSet;
206 EncodedImageBuffer TextureCacheManager::GetEncodedImageBuffer(const TextureCacheManager::TextureId& bufferId)
208 EncodedImageBuffer encodedImageBuffer; // empty handle
209 TextureCacheIndex cacheIndex = GetCacheIndexFromEncodedImageBufferId(bufferId);
210 if(cacheIndex != INVALID_CACHE_INDEX)
212 encodedImageBuffer = mEncodedImageBuffers[cacheIndex.GetIndex()].encodedImageBuffer;
214 return encodedImageBuffer;
217 EncodedImageBuffer TextureCacheManager::GetEncodedImageBuffer(const VisualUrl& url)
219 EncodedImageBuffer encodedImageBuffer; // empty handle
220 if(url.IsValid() && VisualUrl::BUFFER == url.GetProtocolType())
222 std::string location = url.GetLocation();
223 if(location.size() > 0u)
225 TextureId bufferId = std::stoi(location);
226 return GetEncodedImageBuffer(bufferId);
229 return encodedImageBuffer;
232 std::string TextureCacheManager::AddExternalTexture(const TextureSet& textureSet)
234 TextureId textureId = GenerateTextureId(TextureCacheIndex(TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_TEXTURE, mExternalTextures.size()));
236 TextureCacheManager::ExternalTextureInfo textureInfo(textureId, textureSet);
237 mExternalTextures.emplace_back(textureInfo);
239 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::AddExternalTexture() : New texture registered. textureId:%d\n", textureInfo.textureId);
241 return VisualUrl::CreateTextureUrl(std::to_string(textureInfo.textureId));
244 std::string TextureCacheManager::AddEncodedImageBuffer(const EncodedImageBuffer& encodedImageBuffer)
247 TextureHash bufferHash = static_cast<TextureHash>(encodedImageBuffer.GetHash());
248 TextureCacheIndex bufferCacheIndex = FindCachedEncodedImageBuffer(bufferHash, encodedImageBuffer);
249 if(bufferCacheIndex != INVALID_CACHE_INDEX)
251 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[bufferCacheIndex.GetIndex()]);
253 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));
255 // If same buffer added, increase reference count and return.
256 bufferInfo.referenceCount++;
257 return VisualUrl::CreateBufferUrl(std::to_string(bufferInfo.bufferId));
260 TextureId bufferId = GenerateTextureId(TextureCacheIndex(TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_BUFFER, mEncodedImageBuffers.size()));
262 TextureCacheManager::EncodedImageBufferInfo info(bufferId, bufferHash, encodedImageBuffer);
263 mEncodedImageBuffers.emplace_back(info);
265 // Insert TextureHashContainer
266 // Find exist list -or- Create new list.
267 std::vector<TextureId>& idList = mTextureHashContainer[bufferHash];
268 // We already assume that list doesn't contain id. just emplace back
269 idList.emplace_back(bufferId);
271 DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureCacheManager::AddExternalEncodedImageBuffer() : New buffer regested. bufferId:%d\n", info.bufferId);
273 return VisualUrl::CreateBufferUrl(std::to_string(info.bufferId));
276 TextureSet TextureCacheManager::RemoveExternalTexture(const VisualUrl& url)
278 TextureSet textureSet;
279 bool removeTextureInfo = false;
280 TextureCacheIndex removeTextureIndex = INVALID_CACHE_INDEX;
283 if(VisualUrl::TEXTURE == url.GetProtocolType())
285 // get the location from the Url
286 std::string location = url.GetLocation();
287 if(location.size() > 0u)
289 TextureId textureId = std::stoi(location);
290 removeTextureIndex = GetCacheIndexFromExternalTextureId(textureId);
291 if(removeTextureIndex != INVALID_CACHE_INDEX)
293 ExternalTextureInfo& textureInfo(mExternalTextures[removeTextureIndex.GetIndex()]);
294 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));
295 textureSet = textureInfo.textureSet;
296 if(--(textureInfo.referenceCount) <= 0)
298 removeTextureInfo = true;
299 // id life is finished. Remove it at converter
300 mTextureIdConverter.Remove(textureId);
307 // Post removal process to avoid mExternalTextures reference problems.
308 if(removeTextureInfo)
310 // Swap last data of mExternalTextures, and pop_back.
311 RemoveTextureInfoByIndex(mExternalTextures, removeTextureIndex);
316 EncodedImageBuffer TextureCacheManager::RemoveEncodedImageBuffer(const VisualUrl& url)
318 EncodedImageBuffer encodedImageBuffer;
319 bool removeBufferInfo = false;
320 TextureCacheIndex removeBufferIndex = INVALID_CACHE_INDEX;
323 if(VisualUrl::BUFFER == url.GetProtocolType())
325 // get the location from the Url
326 std::string location = url.GetLocation();
327 if(location.size() > 0u)
329 TextureId bufferId = std::stoi(location);
330 removeBufferIndex = GetCacheIndexFromEncodedImageBufferId(bufferId);
332 if(removeBufferIndex != INVALID_CACHE_INDEX)
334 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[removeBufferIndex.GetIndex()]);
335 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));
337 encodedImageBuffer = bufferInfo.encodedImageBuffer;
338 if(--(bufferInfo.referenceCount) <= 0)
340 removeBufferInfo = true;
341 // Step 1. remove current textureId information in mTextureHashContainer.
342 RemoveHashId(bufferInfo.bufferHash, bufferId);
343 // Step 2. id life is finished. Remove it at converter
344 mTextureIdConverter.Remove(bufferId);
351 // Post removal process to avoid mEncodedImageBuffers reference problems.
354 // Step 3. swap last data of mEncodedImageBuffers, and pop_back.
355 RemoveTextureInfoByIndex(mEncodedImageBuffers, removeBufferIndex);
357 return encodedImageBuffer;
360 void TextureCacheManager::UseExternalResource(const VisualUrl& url)
362 if(VisualUrl::TEXTURE == url.GetProtocolType())
364 std::string location = url.GetLocation();
365 if(location.size() > 0u)
367 TextureId id = std::stoi(location);
368 TextureCacheIndex cacheIndex = GetCacheIndexFromExternalTextureId(id);
369 if(cacheIndex != INVALID_CACHE_INDEX)
371 ExternalTextureInfo& textureInfo(mExternalTextures[cacheIndex.GetIndex()]);
372 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));
374 textureInfo.referenceCount++;
379 else if(VisualUrl::BUFFER == url.GetProtocolType())
381 std::string location = url.GetLocation();
382 if(location.size() > 0u)
384 TextureId id = std::stoi(location);
385 TextureCacheIndex cacheIndex = GetCacheIndexFromEncodedImageBufferId(id);
386 if(cacheIndex != INVALID_CACHE_INDEX)
388 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[cacheIndex.GetIndex()]);
389 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));
391 bufferInfo.referenceCount++;
398 TextureCacheManager::TextureId TextureCacheManager::GenerateTextureId(const TextureCacheIndex& textureCacheIndex)
400 return mTextureIdConverter.Add(static_cast<std::uint32_t>(textureCacheIndex.indexValue));
403 TextureCacheManager::TextureCacheIndex TextureCacheManager::GetCacheIndexFromId(const TextureCacheManager::TextureId& textureId)
405 if(textureId == INVALID_TEXTURE_ID) return INVALID_CACHE_INDEX;
407 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(textureId)]);
408 if(DALI_UNLIKELY(cacheIndex.detailValue.type != TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL))
410 return INVALID_CACHE_INDEX;
413 DALI_ASSERT_DEBUG(static_cast<std::size_t>(cacheIndex.GetIndex()) < mTextureInfoContainer.size());
418 TextureCacheManager::TextureCacheIndex TextureCacheManager::GetCacheIndexFromExternalTextureId(const TextureCacheManager::TextureId& textureId)
420 if(textureId == INVALID_TEXTURE_ID) return INVALID_CACHE_INDEX;
422 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(textureId)]);
423 if(DALI_UNLIKELY(cacheIndex.detailValue.type != TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_TEXTURE))
425 return INVALID_CACHE_INDEX;
428 DALI_ASSERT_DEBUG(static_cast<std::size_t>(cacheIndex.GetIndex()) < mExternalTextures.size());
433 TextureCacheManager::TextureCacheIndex TextureCacheManager::GetCacheIndexFromEncodedImageBufferId(const TextureCacheManager::TextureId& bufferId)
435 if(bufferId == INVALID_TEXTURE_ID) return INVALID_CACHE_INDEX;
437 TextureCacheIndex cacheIndex = static_cast<TextureCacheIndex>(mTextureIdConverter[static_cast<std::uint32_t>(bufferId)]);
438 if(DALI_UNLIKELY(cacheIndex.detailValue.type != TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_BUFFER))
440 return INVALID_CACHE_INDEX;
443 DALI_ASSERT_DEBUG(static_cast<std::size_t>(cacheIndex.GetIndex()) < mEncodedImageBuffers.size());
448 TextureCacheManager::TextureCacheIndex TextureCacheManager::FindCachedEncodedImageBuffer(const TextureCacheManager::TextureHash& hash, const EncodedImageBuffer& encodedImageBuffer)
450 // Iterate through our hashes to find a match.
451 const auto& hashIterator = mTextureHashContainer.find(hash);
452 if(hashIterator != mTextureHashContainer.cend())
454 for(const auto& id : hashIterator->second)
456 // We have a match, now we check all the original parameters in case of a hash collision.
457 TextureCacheIndex cacheIndex = GetCacheIndexFromEncodedImageBufferId(id);
458 if(cacheIndex != INVALID_CACHE_INDEX)
460 EncodedImageBufferInfo& bufferInfo(mEncodedImageBuffers[cacheIndex.GetIndex()]);
462 if(bufferInfo.encodedImageBuffer == encodedImageBuffer)
464 // The found encoded image buffer.
471 // Default to an invalid ID, in case we do not find a match.
472 return INVALID_CACHE_INDEX;
475 TextureCacheManager::TextureHash TextureCacheManager::GenerateHash(
476 const VisualUrl& url,
477 const Dali::ImageDimensions& size,
478 const Dali::FittingMode::Type& fittingMode,
479 const Dali::SamplingMode::Type& samplingMode,
480 const TextureCacheManager::UseAtlas& useAtlas,
481 const TextureCacheManager::TextureId& maskTextureId,
482 const bool& cropToMask,
483 const std::uint32_t& frameIndex)
485 std::vector<std::uint8_t> hashTarget;
486 const uint16_t width = size.GetWidth();
487 const uint16_t height = size.GetWidth();
489 // If either the width or height has been specified, include the resizing options in the hash
490 if(width != 0 || height != 0)
492 // We are appending 5 bytes to the URL to form the hash input.
493 hashTarget.resize(5u);
494 std::uint8_t* hashTargetPtr = &(hashTarget[0u]);
496 // Pack the width and height (4 bytes total).
497 *hashTargetPtr++ = size.GetWidth() & 0xff;
498 *hashTargetPtr++ = (size.GetWidth() >> 8u) & 0xff;
499 *hashTargetPtr++ = size.GetHeight() & 0xff;
500 *hashTargetPtr++ = (size.GetHeight() >> 8u) & 0xff;
502 // Bit-pack the FittingMode, SamplingMode and atlasing.
503 // FittingMode=2bits, SamplingMode=3bits, useAtlas=1bit
504 *hashTargetPtr = (fittingMode << 4u) | (samplingMode << 1) | (useAtlas == UseAtlas::USE_ATLAS ? 1 : 0);
508 // We are not including sizing information, but we still need an extra byte for atlasing.
509 hashTarget.resize(1u);
511 // Add the atlasing to the hash input.
514 case UseAtlas::NO_ATLAS:
516 hashTarget[0u] = 'f';
519 case UseAtlas::USE_ATLAS:
521 hashTarget[0u] = 't';
527 if(maskTextureId != INVALID_TEXTURE_ID)
529 auto textureIdIndex = hashTarget.size();
530 hashTarget.resize(hashTarget.size() + sizeof(TextureId) + 1u);
531 std::uint8_t* hashTargetPtr = reinterpret_cast<std::uint8_t*>(&(hashTarget[textureIdIndex]));
533 // Append the texture id to the end of the URL byte by byte:
534 // (to avoid SIGBUS / alignment issues)
535 TextureId saltedMaskTextureId = maskTextureId;
536 for(size_t byteIter = 0; byteIter < sizeof(TextureId); ++byteIter)
538 *hashTargetPtr++ = saltedMaskTextureId & 0xff;
539 saltedMaskTextureId >>= 8u;
541 *hashTargetPtr++ = (cropToMask ? 'C' : 'M');
544 // Append the frameIndex. We don't do additional job when frameIndex = 0u due to the non-animated image case.
547 auto textureIdIndex = hashTarget.size();
548 hashTarget.resize(hashTarget.size() + sizeof(std::uint32_t));
549 std::uint8_t* hashTargetPtr = reinterpret_cast<std::uint8_t*>(&(hashTarget[textureIdIndex]));
551 // Append the frame index to the end of the URL byte by byte:
552 std::uint32_t saltedFrameIndex = frameIndex;
553 for(size_t byteIter = 0; byteIter < sizeof(std::uint8_t); ++byteIter)
555 *hashTargetPtr++ = saltedFrameIndex & 0xff;
556 saltedFrameIndex >>= 8u;
560 return url.GetUrlHash() ^ Dali::CalculateHash(hashTarget);
563 TextureCacheManager::TextureCacheIndex TextureCacheManager::FindCachedTexture(
564 const TextureCacheManager::TextureHash& hash,
565 const VisualUrl& url,
566 const Dali::ImageDimensions& size,
567 const Dali::FittingMode::Type& fittingMode,
568 const Dali::SamplingMode::Type& samplingMode,
569 const TextureCacheManager::UseAtlas& useAtlas,
570 const StorageType& storageType,
571 const TextureCacheManager::TextureId& maskTextureId,
572 const bool& cropToMask,
573 const TextureCacheManager::MultiplyOnLoad& preMultiplyOnLoad,
574 const bool& isAnimatedImage,
575 const std::uint32_t& frameIndex)
577 // Iterate through our hashes to find a match.
578 const auto& hashIterator = mTextureHashContainer.find(hash);
579 if(hashIterator != mTextureHashContainer.cend())
581 for(const auto& textureId : hashIterator->second)
583 // We have a match, now we check all the original parameters in case of a hash collision.
584 TextureCacheIndex cacheIndex = GetCacheIndexFromId(textureId);
585 if(cacheIndex != INVALID_CACHE_INDEX)
587 TextureInfo& textureInfo(mTextureInfoContainer[cacheIndex.GetIndex()]);
589 if((url.GetUrl() == textureInfo.url.GetUrl()) &&
590 (useAtlas == textureInfo.useAtlas) &&
591 (maskTextureId == textureInfo.maskTextureId) &&
592 (cropToMask == textureInfo.cropToMask) &&
593 (size == textureInfo.desiredSize) &&
594 (isAnimatedImage == textureInfo.isAnimatedImageFormat) &&
595 (storageType == textureInfo.storageType) &&
596 (frameIndex == textureInfo.frameIndex) &&
597 ((size.GetWidth() == 0 && size.GetHeight() == 0) ||
598 (fittingMode == textureInfo.fittingMode &&
599 samplingMode == textureInfo.samplingMode)))
601 // 1. If preMultiplyOnLoad is MULTIPLY_ON_LOAD, then textureInfo.preMultiplyOnLoad should be true. The premultiplication result can be different.
602 // 2. If preMultiplyOnLoad is LOAD_WITHOUT_MULTIPLY, then textureInfo.preMultiplied should be false.
603 if((preMultiplyOnLoad == MultiplyOnLoad::MULTIPLY_ON_LOAD && textureInfo.preMultiplyOnLoad) || (preMultiplyOnLoad == MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY && !textureInfo.preMultiplied))
605 // The found Texture is a match.
613 // Default to an invalid ID, in case we do not find a match.
614 return INVALID_CACHE_INDEX;
617 TextureCacheManager::TextureCacheIndex TextureCacheManager::AppendCache(const TextureCacheManager::TextureInfo& textureInfo)
619 // If we use EncodedImageBuffer, increase reference during it contains mTextureInfoContainer.
620 // This reference will be decreased when we call RemoveCache
621 if(textureInfo.url.GetProtocolType() == VisualUrl::BUFFER)
623 UseExternalResource(textureInfo.url);
626 TextureHash hash = textureInfo.hash;
627 TextureId id = textureInfo.textureId;
629 // Insert TextureHash container first
630 // Find exist list -or- Create new list.
631 std::vector<TextureId>& idList = mTextureHashContainer[hash];
632 // We already assume that list doesn't contain id. just emplace back
633 idList.emplace_back(id);
635 // Insert TextureInfo back of mTextureInfoContainer.
636 TextureCacheIndex cacheIndex = TextureCacheIndex(TextureCacheIndexType::TEXTURE_CACHE_INDEX_TYPE_LOCAL, mTextureInfoContainer.size());
637 mTextureInfoContainer.emplace_back(textureInfo);
639 // Add converter id --> cacheIndex
640 // NOTE : We should assume that id already generated by GenerateTextureId function.
641 mTextureIdConverter[id] = cacheIndex;
646 void TextureCacheManager::RemoveCache(const TextureCacheManager::TextureId& textureId)
648 TextureCacheIndex textureInfoIndex = GetCacheIndexFromId(textureId);
650 bool removeTextureInfo = false;
652 if(textureInfoIndex != INVALID_CACHE_INDEX)
654 TextureInfo& textureInfo(mTextureInfoContainer[textureInfoIndex.GetIndex()]);
656 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);
658 // Decrement the reference count and check if this is the last user of this Texture.
659 if(--textureInfo.referenceCount <= 0)
661 // This is the last remove for this Texture.
662 textureInfo.referenceCount = 0;
664 // If loaded, we can remove the TextureInfo and the Atlas (if atlased).
665 if(textureInfo.loadState == LoadState::UPLOADED)
667 if(textureInfo.atlas)
669 textureInfo.atlas.Remove(textureInfo.atlasRect);
671 removeTextureInfo = true;
673 else if(textureInfo.loadState == LoadState::LOADING || textureInfo.loadState == LoadState::MASK_APPLYING)
675 // We mark the textureInfo for removal.
676 // Once the load has completed, this method will be called again.
677 textureInfo.loadState = LoadState::CANCELLED;
681 // In other states, we are not waiting for a load so we are safe to remove the TextureInfo data.
682 removeTextureInfo = true;
685 // If the state allows us to remove the TextureInfo data, we do so.
686 if(removeTextureInfo)
688 // If url location is BUFFER, decrease reference count of EncodedImageBuffer.
689 if(textureInfo.url.IsBufferResource())
691 RemoveEncodedImageBuffer(textureInfo.url.GetUrl());
694 // Permanently remove the textureInfo struct.
696 // Step 1. remove current textureId information in mTextureHashContainer.
697 RemoveHashId(textureInfo.hash, textureId);
698 // Step 2. make textureId is not using anymore. After this job, we can reuse textureId.
699 mTextureIdConverter.Remove(textureId);
704 // Post removal process to avoid mTextureInfoContainer reference problems.
705 if(removeTextureInfo)
707 // Step 3. swap last data of TextureInfoContainer, and pop_back.
708 RemoveTextureInfoByIndex(mTextureInfoContainer, textureInfoIndex);
712 void TextureCacheManager::RemoveHashId(const TextureCacheManager::TextureHash& textureHash, const TextureCacheManager::TextureId& textureId)
714 auto hashIterator = mTextureHashContainer.find(textureHash);
715 if(hashIterator != mTextureHashContainer.end())
717 auto hashIdList = hashIterator->second;
718 const auto& hashIdIterator = std::find(hashIdList.cbegin(), hashIdList.cend(), textureId);
719 if(hashIdIterator != hashIdList.cend())
721 hashIdList.erase(hashIdIterator);
722 if(hashIdList.size() == 0)
724 // If id list in current hash is empty, remove it self in the container.
725 mTextureHashContainer.erase(hashIterator);
731 } // namespace Internal
733 } // namespace Toolkit