2 * Copyright (c) 2020 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 <dali-toolkit/internal/visuals/texture-manager-impl.h>
24 #include <dali/public-api/math/vector4.h>
25 #include <dali/devel-api/adaptor-framework/environment-variable.h>
26 #include <dali/devel-api/adaptor-framework/image-loading.h>
27 #include <dali/devel-api/common/hash.h>
28 #include <dali/devel-api/adaptor-framework/pixel-buffer.h>
29 #include <dali/integration-api/debug.h>
30 #include <dali/public-api/rendering/geometry.h>
33 #include <dali-toolkit/internal/image-loader/image-atlas-impl.h>
34 #include <dali-toolkit/public-api/image-loader/sync-image-loader.h>
35 #include <dali-toolkit/internal/visuals/image-atlas-manager.h>
36 #include <dali-toolkit/internal/visuals/rendering-addon.h>
41 constexpr auto INITIAL_CACHE_NUMBER = size_t{0u};
42 constexpr auto DEFAULT_NUMBER_OF_LOCAL_LOADER_THREADS = size_t{4u};
43 constexpr auto DEFAULT_NUMBER_OF_REMOTE_LOADER_THREADS = size_t{8u};
45 constexpr auto NUMBER_OF_LOCAL_LOADER_THREADS_ENV = "DALI_TEXTURE_LOCAL_THREADS";
46 constexpr auto NUMBER_OF_REMOTE_LOADER_THREADS_ENV = "DALI_TEXTURE_REMOTE_THREADS";
48 size_t GetNumberOfThreads(const char* environmentVariable, size_t defaultValue)
50 using Dali::EnvironmentVariable::GetEnvironmentVariable;
51 auto numberString = GetEnvironmentVariable(environmentVariable);
52 auto numberOfThreads = numberString ? std::strtoul(numberString, nullptr, 10) : 0;
53 constexpr auto MAX_NUMBER_OF_THREADS = 100u;
54 DALI_ASSERT_DEBUG( numberOfThreads < MAX_NUMBER_OF_THREADS );
55 return ( numberOfThreads > 0 && numberOfThreads < MAX_NUMBER_OF_THREADS ) ? numberOfThreads : defaultValue;
58 size_t GetNumberOfLocalLoaderThreads()
60 return GetNumberOfThreads(NUMBER_OF_LOCAL_LOADER_THREADS_ENV, DEFAULT_NUMBER_OF_LOCAL_LOADER_THREADS);
63 size_t GetNumberOfRemoteLoaderThreads()
65 return GetNumberOfThreads(NUMBER_OF_REMOTE_LOADER_THREADS_ENV, DEFAULT_NUMBER_OF_REMOTE_LOADER_THREADS);
83 Debug::Filter* gTextureManagerLogFilter = Debug::Filter::New( Debug::NoLogging, false, "LOG_TEXTURE_MANAGER" );
85 #define GET_LOAD_STATE_STRING( loadState ) \
86 loadState == TextureManager::LoadState::NOT_STARTED ? "NOT_STARTED" : \
87 loadState == TextureManager::LoadState::LOADING ? "LOADING" : \
88 loadState == TextureManager::LoadState::LOAD_FINISHED ? "LOAD_FINISHED" : \
89 loadState == TextureManager::LoadState::WAITING_FOR_MASK ? "WAITING_FOR_MASK" : \
90 loadState == TextureManager::LoadState::MASK_APPLYING ? "MASK_APPLYING" : \
91 loadState == TextureManager::LoadState::MASK_APPLIED ? "MASK_APPLIED" : \
92 loadState == TextureManager::LoadState::UPLOADED ? "UPLOADED" : \
93 loadState == TextureManager::LoadState::CANCELLED ? "CANCELLED" : \
94 loadState == TextureManager::LoadState::LOAD_FAILED ? "LOAD_FAILED" : "Unknown"
98 const uint32_t DEFAULT_ATLAS_SIZE( 1024u ); ///< This size can fit 8 by 8 images of average size 128 * 128
99 const Vector4 FULL_ATLAS_RECT( 0.0f, 0.0f, 1.0f, 1.0f ); ///< UV Rectangle that covers the full Texture
100 const int INVALID_INDEX( -1 ); ///< Invalid index used to represent a non-existant TextureInfo struct
101 const int INVALID_CACHE_INDEX( -1 ); ///< Invalid Cache index
104 void PreMultiply( Devel::PixelBuffer pixelBuffer, TextureManager::MultiplyOnLoad& preMultiplyOnLoad )
106 if( Pixel::HasAlpha( pixelBuffer.GetPixelFormat() ) )
108 if( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD )
110 pixelBuffer.MultiplyColorByAlpha();
115 preMultiplyOnLoad = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
119 } // Anonymous namespace
121 TextureManager::MaskingData::MaskingData()
123 mAlphaMaskId( INVALID_TEXTURE_ID ),
124 mContentScaleFactor( 1.0f ),
129 TextureManager::TextureManager()
130 : mAsyncLocalLoaders( GetNumberOfLocalLoaderThreads(), [&]() { return AsyncLoadingHelper(*this); } ),
131 mAsyncRemoteLoaders( GetNumberOfRemoteLoaderThreads(), [&]() { return AsyncLoadingHelper(*this); } ),
133 mLifecycleObservers(),
136 mCurrentTextureId( 0 ),
137 mQueueLoadFlag(false)
139 // Initialize the AddOn
140 RenderingAddOn::Get();
143 TextureManager::~TextureManager()
145 for( auto iter = mLifecycleObservers.Begin(), endIter = mLifecycleObservers.End(); iter != endIter; ++iter)
147 (*iter)->TextureManagerDestroyed();
151 TextureSet TextureManager::LoadAnimatedImageTexture(
152 Dali::AnimatedImageLoading animatedImageLoading, uint32_t frameIndex, Dali::SamplingMode::Type samplingMode,
153 bool synchronousLoading, TextureManager::TextureId& textureId, Dali::WrapMode::Type wrapModeU, Dali::WrapMode::Type wrapModeV, TextureUploadObserver* textureObserver )
155 TextureSet textureSet;
157 if( synchronousLoading )
159 Devel::PixelBuffer pixelBuffer;
160 if( animatedImageLoading )
162 pixelBuffer = animatedImageLoading.LoadFrame( frameIndex );
167 pixelBuffer = LoadImageFromFile( mBrokenImageUrl );
171 pixelData = Devel::PixelBuffer::Convert(pixelBuffer); // takes ownership of buffer
173 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, pixelData.GetPixelFormat(),
174 pixelData.GetWidth(), pixelData.GetHeight() );
175 texture.Upload( pixelData );
176 textureSet = TextureSet::New();
177 textureSet.SetTexture( 0u, texture );
181 PixelData pixelData = Devel::PixelBuffer::Convert(pixelBuffer); // takes ownership of buffer
184 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, pixelData.GetPixelFormat(),
185 pixelData.GetWidth(), pixelData.GetHeight() );
186 texture.Upload( pixelData );
187 textureSet = TextureSet::New();
188 textureSet.SetTexture( 0u, texture );
194 auto preMultiply = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
195 textureId = RequestLoadInternal( animatedImageLoading.GetUrl(), INVALID_TEXTURE_ID, 1.0f, ImageDimensions(), FittingMode::SCALE_TO_FILL,
196 SamplingMode::BOX_THEN_LINEAR, TextureManager::NO_ATLAS, false, StorageType::UPLOAD_TO_TEXTURE, textureObserver,
197 true, TextureManager::ReloadPolicy::CACHED, preMultiply, animatedImageLoading, frameIndex );
198 TextureManager::LoadState loadState = GetTextureStateInternal( textureId );
199 if( loadState == TextureManager::LoadState::UPLOADED )
201 // UploadComplete has already been called - keep the same texture set
202 textureSet = GetTextureSet( textureId );
208 Sampler sampler = Sampler::New();
209 sampler.SetWrapMode( wrapModeU, wrapModeV );
210 textureSet.SetSampler( 0u, sampler );
216 Devel::PixelBuffer TextureManager::LoadPixelBuffer(
217 const VisualUrl& url, Dali::ImageDimensions desiredSize, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode, bool synchronousLoading, TextureUploadObserver* textureObserver, bool orientationCorrection, TextureManager::MultiplyOnLoad& preMultiplyOnLoad )
219 Devel::PixelBuffer pixelBuffer;
220 if( synchronousLoading )
224 pixelBuffer = LoadImageFromFile( url.GetUrl(), desiredSize, fittingMode, samplingMode,
225 orientationCorrection );
226 if( pixelBuffer && preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD )
228 PreMultiply( pixelBuffer, preMultiplyOnLoad );
234 RequestLoadInternal( url, INVALID_TEXTURE_ID, 1.0f, desiredSize, fittingMode, samplingMode, TextureManager::NO_ATLAS,
235 false, StorageType::RETURN_PIXEL_BUFFER, textureObserver, orientationCorrection, TextureManager::ReloadPolicy::FORCED,
236 preMultiplyOnLoad, Dali::AnimatedImageLoading(), 0u );
242 TextureSet TextureManager::LoadTexture(
243 const VisualUrl& url, Dali::ImageDimensions desiredSize, Dali::FittingMode::Type fittingMode,
244 Dali::SamplingMode::Type samplingMode, MaskingDataPointer& maskInfo,
245 bool synchronousLoading, TextureManager::TextureId& textureId, Vector4& textureRect,
246 Dali::ImageDimensions& textureRectSize, bool& atlasingStatus, bool& loadingStatus,
247 Dali::WrapMode::Type wrapModeU, Dali::WrapMode::Type wrapModeV, TextureUploadObserver* textureObserver,
248 AtlasUploadObserver* atlasObserver, ImageAtlasManagerPtr imageAtlasManager, bool orientationCorrection,
249 TextureManager::ReloadPolicy reloadPolicy, TextureManager::MultiplyOnLoad& preMultiplyOnLoad )
251 TextureSet textureSet;
253 loadingStatus = false;
254 textureRect = FULL_ATLAS_RECT;
256 if( VisualUrl::TEXTURE == url.GetProtocolType())
258 std::string location = url.GetLocation();
259 if( location.size() > 0u )
261 TextureId id = std::stoi( location );
262 for( auto&& elem : mExternalTextures )
264 if( elem.textureId == id )
266 preMultiplyOnLoad = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
267 textureId = elem.textureId;
268 return elem.textureSet;
273 else if( synchronousLoading )
278 Devel::PixelBuffer pixelBuffer = LoadImageFromFile( url.GetUrl(), desiredSize, fittingMode, samplingMode,
279 orientationCorrection );
280 if( maskInfo && maskInfo->mAlphaMaskUrl.IsValid() )
282 Devel::PixelBuffer maskPixelBuffer = LoadImageFromFile( maskInfo->mAlphaMaskUrl.GetUrl(), ImageDimensions(),
283 FittingMode::SCALE_TO_FILL, SamplingMode::NO_FILTER, true );
284 if( maskPixelBuffer )
286 pixelBuffer.ApplyMask( maskPixelBuffer, maskInfo->mContentScaleFactor, maskInfo->mCropToMask );
291 PreMultiply( pixelBuffer, preMultiplyOnLoad );
292 data = Devel::PixelBuffer::Convert(pixelBuffer); // takes ownership of buffer
298 Devel::PixelBuffer pixelBuffer = LoadImageFromFile( mBrokenImageUrl );
301 PreMultiply( pixelBuffer, preMultiplyOnLoad );
302 data = Devel::PixelBuffer::Convert(pixelBuffer); // takes ownership of buffer
304 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, data.GetPixelFormat(),
305 data.GetWidth(), data.GetHeight() );
306 texture.Upload( data );
307 textureSet = TextureSet::New();
308 textureSet.SetTexture( 0u, texture );
312 if( atlasingStatus ) // attempt atlasing
314 textureSet = imageAtlasManager->Add( textureRect, data );
316 if( !textureSet ) // big image, no atlasing or atlasing failed
318 atlasingStatus = false;
319 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, data.GetPixelFormat(),
320 data.GetWidth(), data.GetHeight() );
321 texture.Upload( data );
322 textureSet = TextureSet::New();
323 textureSet.SetTexture( 0u, texture );
327 textureRectSize.SetWidth(data.GetWidth());
328 textureRectSize.SetHeight(data.GetHeight());
334 loadingStatus = true;
337 textureSet = imageAtlasManager->Add( textureRect, url.GetUrl(), desiredSize, fittingMode, true, atlasObserver);
339 if( !textureSet ) // big image, no atlasing or atlasing failed
341 atlasingStatus = false;
342 if( !maskInfo || !maskInfo->mAlphaMaskUrl.IsValid() )
344 textureId = RequestLoad( url, desiredSize, fittingMode, samplingMode, TextureManager::NO_ATLAS,
345 textureObserver, orientationCorrection, reloadPolicy, preMultiplyOnLoad );
349 maskInfo->mAlphaMaskId = RequestMaskLoad( maskInfo->mAlphaMaskUrl );
350 textureId = RequestLoad( url,
351 maskInfo->mAlphaMaskId,
352 maskInfo->mContentScaleFactor,
354 fittingMode, samplingMode,
355 TextureManager::NO_ATLAS,
356 maskInfo->mCropToMask,
358 orientationCorrection,
359 reloadPolicy, preMultiplyOnLoad );
362 TextureManager::LoadState loadState = GetTextureStateInternal( textureId );
363 if( loadState == TextureManager::LoadState::UPLOADED )
365 // UploadComplete has already been called - keep the same texture set
366 textureSet = GetTextureSet( textureId );
369 // If we are loading the texture, or waiting for the ready signal handler to complete, inform
370 // caller that they need to wait.
371 loadingStatus = ( loadState == TextureManager::LoadState::LOADING ||
372 loadState == TextureManager::LoadState::WAITING_FOR_MASK ||
373 loadState == TextureManager::LoadState::MASK_APPLYING ||
374 loadState == TextureManager::LoadState::MASK_APPLIED ||
375 loadState == TextureManager::LoadState::NOT_STARTED ||
381 textureRectSize = desiredSize;
385 if( ! atlasingStatus && textureSet )
387 Sampler sampler = Sampler::New();
388 sampler.SetWrapMode( wrapModeU, wrapModeV );
389 textureSet.SetSampler( 0u, sampler );
395 TextureManager::TextureId TextureManager::RequestLoad(
396 const VisualUrl& url,
397 const ImageDimensions desiredSize,
398 FittingMode::Type fittingMode,
399 Dali::SamplingMode::Type samplingMode,
400 const UseAtlas useAtlas,
401 TextureUploadObserver* observer,
402 bool orientationCorrection,
403 TextureManager::ReloadPolicy reloadPolicy,
404 TextureManager::MultiplyOnLoad& preMultiplyOnLoad )
406 return RequestLoadInternal( url, INVALID_TEXTURE_ID, 1.0f, desiredSize, fittingMode, samplingMode, useAtlas,
407 false, StorageType::UPLOAD_TO_TEXTURE, observer, orientationCorrection, reloadPolicy,
408 preMultiplyOnLoad, Dali::AnimatedImageLoading(), 0u );
411 TextureManager::TextureId TextureManager::RequestLoad(
412 const VisualUrl& url,
413 TextureId maskTextureId,
415 const ImageDimensions desiredSize,
416 FittingMode::Type fittingMode,
417 Dali::SamplingMode::Type samplingMode,
418 const UseAtlas useAtlas,
420 TextureUploadObserver* observer,
421 bool orientationCorrection,
422 TextureManager::ReloadPolicy reloadPolicy,
423 TextureManager::MultiplyOnLoad& preMultiplyOnLoad )
425 return RequestLoadInternal( url, maskTextureId, contentScale, desiredSize, fittingMode, samplingMode, useAtlas,
426 cropToMask, StorageType::UPLOAD_TO_TEXTURE, observer, orientationCorrection, reloadPolicy,
427 preMultiplyOnLoad, Dali::AnimatedImageLoading(), 0u );
430 TextureManager::TextureId TextureManager::RequestMaskLoad( const VisualUrl& maskUrl )
432 // Use the normal load procedure to get the alpha mask.
433 auto preMultiply = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
434 return RequestLoadInternal( maskUrl, INVALID_TEXTURE_ID, 1.0f, ImageDimensions(), FittingMode::SCALE_TO_FILL,
435 SamplingMode::NO_FILTER, NO_ATLAS, false, StorageType::KEEP_PIXEL_BUFFER, NULL, true,
436 TextureManager::ReloadPolicy::CACHED, preMultiply, Dali::AnimatedImageLoading(), 0u );
439 TextureManager::TextureId TextureManager::RequestLoadInternal(
440 const VisualUrl& url,
441 TextureId maskTextureId,
443 const ImageDimensions desiredSize,
444 FittingMode::Type fittingMode,
445 Dali::SamplingMode::Type samplingMode,
448 StorageType storageType,
449 TextureUploadObserver* observer,
450 bool orientationCorrection,
451 TextureManager::ReloadPolicy reloadPolicy,
452 TextureManager::MultiplyOnLoad& preMultiplyOnLoad,
453 Dali::AnimatedImageLoading animatedImageLoading,
454 uint32_t frameIndex )
456 // First check if the requested Texture is cached.
457 bool isAnimatedImage = ( animatedImageLoading ) ? true : false;
459 TextureHash textureHash = INITIAL_CACHE_NUMBER;
460 int cacheIndex = INVALID_CACHE_INDEX;
461 if(storageType != StorageType::RETURN_PIXEL_BUFFER && !isAnimatedImage)
463 textureHash = GenerateHash(url.GetUrl(), desiredSize, fittingMode, samplingMode, useAtlas, maskTextureId);
465 // Look up the texture by hash. Note: The extra parameters are used in case of a hash collision.
466 cacheIndex = FindCachedTexture(textureHash, url.GetUrl(), desiredSize, fittingMode, samplingMode, useAtlas, maskTextureId, preMultiplyOnLoad);
469 TextureManager::TextureId textureId = INVALID_TEXTURE_ID;
470 // Check if the requested Texture exists in the cache.
471 if( cacheIndex != INVALID_CACHE_INDEX )
473 if ( TextureManager::ReloadPolicy::CACHED == reloadPolicy )
475 // Mark this texture being used by another client resource. Forced reload would replace the current texture
476 // without the need for incrementing the reference count.
477 ++( mTextureInfoContainer[ cacheIndex ].referenceCount );
479 textureId = mTextureInfoContainer[ cacheIndex ].textureId;
481 // Update preMultiplyOnLoad value. It should be changed according to preMultiplied value of the cached info.
482 preMultiplyOnLoad = mTextureInfoContainer[ cacheIndex ].preMultiplied ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
484 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureManager::RequestLoad( url=%s observer=%p ) Using cached texture id@%d, textureId=%d\n",
485 url.GetUrl().c_str(), observer, cacheIndex, textureId );
488 if( textureId == INVALID_TEXTURE_ID ) // There was no caching, or caching not required
490 // We need a new Texture.
491 textureId = GenerateUniqueTextureId();
492 bool preMultiply = ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD );
493 mTextureInfoContainer.push_back( TextureInfo( textureId, maskTextureId, url.GetUrl(),
494 desiredSize, contentScale, fittingMode, samplingMode,
495 false, cropToMask, useAtlas, textureHash, orientationCorrection,
496 preMultiply, animatedImageLoading, frameIndex ) );
497 cacheIndex = mTextureInfoContainer.size() - 1u;
499 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureManager::RequestLoad( url=%s observer=%p ) New texture, cacheIndex:%d, textureId=%d\n",
500 url.GetUrl().c_str(), observer, cacheIndex, textureId );
503 // The below code path is common whether we are using the cache or not.
504 // The textureInfoIndex now refers to either a pre-existing cached TextureInfo,
505 // or a new TextureInfo just created.
506 TextureInfo& textureInfo( mTextureInfoContainer[ cacheIndex ] );
507 textureInfo.maskTextureId = maskTextureId;
508 textureInfo.storageType = storageType;
509 textureInfo.orientationCorrection = orientationCorrection;
511 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureInfo loadState:%s\n",
512 GET_LOAD_STATE_STRING(textureInfo.loadState ) );
514 // Force reloading of texture by setting loadState unless already loading or cancelled.
515 if ( TextureManager::ReloadPolicy::FORCED == reloadPolicy &&
516 TextureManager::LoadState::LOADING != textureInfo.loadState &&
517 TextureManager::LoadState::WAITING_FOR_MASK != textureInfo.loadState &&
518 TextureManager::LoadState::MASK_APPLYING != textureInfo.loadState &&
519 TextureManager::LoadState::MASK_APPLIED != textureInfo.loadState &&
520 TextureManager::LoadState::CANCELLED != textureInfo.loadState )
522 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Verbose, "TextureManager::RequestLoad( url=%s observer=%p ) ForcedReload cacheIndex:%d, textureId=%d\n",
523 url.GetUrl().c_str(), observer, cacheIndex, textureId );
525 textureInfo.loadState = TextureManager::LoadState::NOT_STARTED;
528 // Check if we should add the observer.
529 // Only do this if we have not loaded yet and it will not have loaded by the end of this method.
530 switch( textureInfo.loadState )
532 case TextureManager::LoadState::LOAD_FAILED: // Failed notifies observer which then stops observing.
533 case TextureManager::LoadState::NOT_STARTED:
535 LoadOrQueueTexture( textureInfo, observer ); // If called inside NotifyObservers, queues until afterwards
538 case TextureManager::LoadState::LOADING:
539 case TextureManager::LoadState::WAITING_FOR_MASK:
540 case TextureManager::LoadState::MASK_APPLYING:
541 case TextureManager::LoadState::MASK_APPLIED:
543 ObserveTexture( textureInfo, observer );
546 case TextureManager::LoadState::UPLOADED:
550 LoadOrQueueTexture( textureInfo, observer );
554 case TextureManager::LoadState::CANCELLED:
556 // A cancelled texture hasn't finished loading yet. Treat as a loading texture
557 // (it's ref count has already been incremented, above)
558 textureInfo.loadState = TextureManager::LoadState::LOADING;
559 ObserveTexture( textureInfo, observer );
562 case TextureManager::LoadState::LOAD_FINISHED:
564 // Loading has already completed.
565 if( observer && textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER )
567 LoadOrQueueTexture( textureInfo, observer );
573 // Return the TextureId for which this Texture can now be referenced by externally.
577 void TextureManager::Remove( const TextureManager::TextureId textureId, TextureUploadObserver* observer )
579 int textureInfoIndex = GetCacheIndexFromId( textureId );
580 if( textureInfoIndex != INVALID_INDEX )
582 TextureInfo& textureInfo( mTextureInfoContainer[ textureInfoIndex ] );
584 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise,
585 "TextureManager::Remove(%d) url:%s\n cacheIdx:%d loadState:%s reference count = %d\n",
586 textureId, textureInfo.url.GetUrl().c_str(),
587 textureInfoIndex, GET_LOAD_STATE_STRING( textureInfo.loadState ), textureInfo.referenceCount );
589 // Decrement the reference count and check if this is the last user of this Texture.
590 if( --textureInfo.referenceCount <= 0 )
592 // This is the last remove for this Texture.
593 textureInfo.referenceCount = 0;
594 bool removeTextureInfo = false;
596 // If loaded, we can remove the TextureInfo and the Atlas (if atlased).
597 if( textureInfo.loadState == LoadState::UPLOADED )
599 if( textureInfo.atlas )
601 textureInfo.atlas.Remove( textureInfo.atlasRect );
603 removeTextureInfo = true;
605 else if( textureInfo.loadState == LoadState::LOADING )
607 // We mark the textureInfo for removal.
608 // Once the load has completed, this method will be called again.
609 textureInfo.loadState = LoadState::CANCELLED;
613 // In other states, we are not waiting for a load so we are safe to remove the TextureInfo data.
614 removeTextureInfo = true;
617 // If the state allows us to remove the TextureInfo data, we do so.
618 if( removeTextureInfo )
620 // Permanently remove the textureInfo struct.
621 mTextureInfoContainer.erase( mTextureInfoContainer.begin() + textureInfoIndex );
627 // Remove element from the LoadQueue
628 for( auto&& element : mLoadQueue )
630 if( element.mObserver == observer )
632 mLoadQueue.Erase( &element );
640 VisualUrl TextureManager::GetVisualUrl( TextureId textureId )
642 VisualUrl visualUrl("");
643 int cacheIndex = GetCacheIndexFromId( textureId );
645 if( cacheIndex != INVALID_CACHE_INDEX )
647 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::GetVisualUrl. Using cached texture id=%d, textureId=%d\n",
648 cacheIndex, textureId );
650 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
651 visualUrl = cachedTextureInfo.url;
656 TextureManager::LoadState TextureManager::GetTextureState( TextureId textureId )
658 LoadState loadState = TextureManager::LoadState::NOT_STARTED;
660 int cacheIndex = GetCacheIndexFromId( textureId );
661 if( cacheIndex != INVALID_CACHE_INDEX )
663 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
664 loadState = cachedTextureInfo.loadState;
668 for( auto&& elem : mExternalTextures )
670 if( elem.textureId == textureId )
672 loadState = LoadState::UPLOADED;
680 TextureManager::LoadState TextureManager::GetTextureStateInternal( TextureId textureId )
682 LoadState loadState = TextureManager::LoadState::NOT_STARTED;
684 int cacheIndex = GetCacheIndexFromId( textureId );
685 if( cacheIndex != INVALID_CACHE_INDEX )
687 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
688 loadState = cachedTextureInfo.loadState;
694 TextureSet TextureManager::GetTextureSet( TextureId textureId )
696 TextureSet textureSet;// empty handle
698 int cacheIndex = GetCacheIndexFromId( textureId );
699 if( cacheIndex != INVALID_CACHE_INDEX )
701 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
702 textureSet = cachedTextureInfo.textureSet;
706 for( auto&& elem : mExternalTextures )
708 if( elem.textureId == textureId )
710 textureSet = elem.textureSet;
718 std::string TextureManager::AddExternalTexture( TextureSet& textureSet )
720 TextureManager::ExternalTextureInfo info;
721 info.textureId = GenerateUniqueTextureId();
722 info.textureSet = textureSet;
723 mExternalTextures.emplace_back( info );
724 return VisualUrl::CreateTextureUrl( std::to_string( info.textureId ) );
727 TextureSet TextureManager::RemoveExternalTexture( const std::string& url )
729 if( url.size() > 0u )
731 // get the location from the Url
732 VisualUrl parseUrl( url );
733 if( VisualUrl::TEXTURE == parseUrl.GetProtocolType() )
735 std::string location = parseUrl.GetLocation();
736 if( location.size() > 0u )
738 TextureId id = std::stoi( location );
739 const auto end = mExternalTextures.end();
740 for( auto iter = mExternalTextures.begin(); iter != end; ++iter )
742 if( iter->textureId == id )
744 auto textureSet = iter->textureSet;
745 mExternalTextures.erase( iter );
755 void TextureManager::AddObserver( TextureManager::LifecycleObserver& observer )
757 // make sure an observer doesn't observe the same object twice
758 // otherwise it will get multiple calls to ObjectDestroyed()
759 DALI_ASSERT_DEBUG( mLifecycleObservers.End() == std::find( mLifecycleObservers.Begin(), mLifecycleObservers.End(), &observer));
760 mLifecycleObservers.PushBack( &observer );
763 void TextureManager::RemoveObserver( TextureManager::LifecycleObserver& observer)
765 // Find the observer...
766 auto endIter = mLifecycleObservers.End();
767 for( auto iter = mLifecycleObservers.Begin(); iter != endIter; ++iter)
769 if( (*iter) == &observer)
771 mLifecycleObservers.Erase( iter );
775 DALI_ASSERT_DEBUG(endIter != mLifecycleObservers.End());
778 void TextureManager::LoadOrQueueTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
780 switch( textureInfo.loadState )
782 case LoadState::NOT_STARTED:
783 case LoadState::LOAD_FAILED:
787 QueueLoadTexture( textureInfo, observer );
791 LoadTexture( textureInfo, observer );
795 case LoadState::UPLOADED:
799 QueueLoadTexture( textureInfo, observer );
803 // The Texture has already loaded. The other observers have already been notified.
804 // We need to send a "late" loaded notification for this observer.
805 observer->UploadComplete( true, textureInfo.textureId, textureInfo.textureSet,
806 textureInfo.useAtlas, textureInfo.atlasRect,
807 textureInfo.preMultiplied );
811 case LoadState::LOADING:
812 case LoadState::CANCELLED:
813 case LoadState::LOAD_FINISHED:
814 case LoadState::WAITING_FOR_MASK:
815 case LoadState::MASK_APPLYING:
816 case LoadState::MASK_APPLIED:
823 void TextureManager::QueueLoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
825 auto textureId = textureInfo.textureId;
826 mLoadQueue.PushBack( LoadQueueElement( textureId, observer) );
828 observer->DestructionSignal().Connect( this, &TextureManager::ObserverDestroyed );
831 void TextureManager::LoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
833 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::LoadTexture(): url:%s sync:%s\n",
834 textureInfo.url.GetUrl().c_str(), textureInfo.loadSynchronously?"T":"F" );
836 textureInfo.loadState = LoadState::LOADING;
837 if( !textureInfo.loadSynchronously )
839 auto& loadersContainer = textureInfo.url.IsLocalResource() ? mAsyncLocalLoaders : mAsyncRemoteLoaders;
840 auto loadingHelperIt = loadersContainer.GetNext();
841 auto premultiplyOnLoad = ( textureInfo.preMultiplyOnLoad && textureInfo.maskTextureId == INVALID_TEXTURE_ID ) ?
842 DevelAsyncImageLoader::PreMultiplyOnLoad::ON : DevelAsyncImageLoader::PreMultiplyOnLoad::OFF;
843 DALI_ASSERT_ALWAYS(loadingHelperIt != loadersContainer.End());
844 if( textureInfo.animatedImageLoading )
846 loadingHelperIt->LoadAnimatedImage( textureInfo.textureId, textureInfo.animatedImageLoading, textureInfo.frameIndex );
850 loadingHelperIt->Load(textureInfo.textureId, textureInfo.url,
851 textureInfo.desiredSize, textureInfo.fittingMode,
852 textureInfo.samplingMode, textureInfo.orientationCorrection,
856 ObserveTexture( textureInfo, observer );
859 void TextureManager::ProcessQueuedTextures()
861 for( auto&& element : mLoadQueue )
863 if( !element.mObserver )
868 int cacheIndex = GetCacheIndexFromId( element.mTextureId );
869 if( cacheIndex != INVALID_CACHE_INDEX )
871 TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
872 if( textureInfo.loadState == LoadState::UPLOADED )
874 element.mObserver->UploadComplete( true, textureInfo.textureId, textureInfo.textureSet,
875 textureInfo.useAtlas, textureInfo.atlasRect,
876 textureInfo.preMultiplied );
878 else if ( textureInfo.loadState == LoadState::LOAD_FINISHED && textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER )
880 element.mObserver->LoadComplete( true, textureInfo.pixelBuffer, textureInfo.url, textureInfo.preMultiplied );
884 LoadTexture( textureInfo, element.mObserver );
891 void TextureManager::ObserveTexture( TextureInfo& textureInfo,
892 TextureUploadObserver* observer )
894 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::ObserveTexture(): url:%s observer:%p\n",
895 textureInfo.url.GetUrl().c_str(), observer );
899 textureInfo.observerList.PushBack( observer );
900 observer->DestructionSignal().Connect( this, &TextureManager::ObserverDestroyed );
904 void TextureManager::AsyncLoadComplete( AsyncLoadingInfoContainerType& loadingContainer, uint32_t id,
905 Devel::PixelBuffer pixelBuffer )
907 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::AsyncLoadComplete( id:%d )\n", id );
909 if( loadingContainer.size() >= 1u )
911 AsyncLoadingInfo loadingInfo = loadingContainer.front();
913 if( loadingInfo.loadId == id )
915 int cacheIndex = GetCacheIndexFromId( loadingInfo.textureId );
916 if( cacheIndex != INVALID_CACHE_INDEX )
918 TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
920 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise,
921 " textureId:%d Url:%s CacheIndex:%d LoadState: %d\n",
922 textureInfo.textureId, textureInfo.url.GetUrl().c_str(), cacheIndex, textureInfo.loadState );
924 if( textureInfo.loadState != LoadState::CANCELLED )
926 // textureInfo can be invalidated after this call (as the mTextureInfoContainer may be modified)
927 PostLoad( textureInfo, pixelBuffer );
931 Remove( textureInfo.textureId, nullptr );
936 loadingContainer.pop_front();
940 void TextureManager::PostLoad( TextureInfo& textureInfo, Devel::PixelBuffer& pixelBuffer )
942 // Was the load successful?
943 if( pixelBuffer && ( pixelBuffer.GetWidth() != 0 ) && ( pixelBuffer.GetHeight() != 0 ) )
945 // No atlas support for now
946 textureInfo.useAtlas = NO_ATLAS;
947 textureInfo.preMultiplied = pixelBuffer.IsAlphaPreMultiplied();
949 if( textureInfo.storageType == StorageType::UPLOAD_TO_TEXTURE )
951 // If there is a mask texture ID associated with this texture, then apply the mask
952 // if it's already loaded. If it hasn't, and the mask is still loading,
953 // wait for the mask to finish loading.
954 if( textureInfo.maskTextureId != INVALID_TEXTURE_ID )
956 if( textureInfo.loadState == LoadState::MASK_APPLYING )
958 textureInfo.loadState = LoadState::MASK_APPLIED;
959 UploadTexture( pixelBuffer, textureInfo );
960 NotifyObservers( textureInfo, true );
964 LoadState maskLoadState = GetTextureStateInternal( textureInfo.maskTextureId );
965 textureInfo.pixelBuffer = pixelBuffer; // Store the pixel buffer temporarily
966 if( maskLoadState == LoadState::LOADING )
968 textureInfo.loadState = LoadState::WAITING_FOR_MASK;
970 else if( maskLoadState == LoadState::LOAD_FINISHED )
972 // Send New Task to Thread
973 ApplyMask( textureInfo, textureInfo.maskTextureId );
979 UploadTexture( pixelBuffer, textureInfo );
980 NotifyObservers( textureInfo, true );
985 textureInfo.pixelBuffer = pixelBuffer; // Store the pixel data
986 textureInfo.loadState = LoadState::LOAD_FINISHED;
988 if( textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER )
990 NotifyObservers( textureInfo, true );
994 // Check if there was another texture waiting for this load to complete
995 // (e.g. if this was an image mask, and its load is on a different thread)
996 CheckForWaitingTexture( textureInfo );
1002 textureInfo.loadState = LoadState::LOAD_FAILED;
1003 CheckForWaitingTexture( textureInfo );
1004 NotifyObservers( textureInfo, false );
1008 void TextureManager::CheckForWaitingTexture( TextureInfo& maskTextureInfo )
1010 // Search the cache, checking if any texture has this texture id as a
1012 const unsigned int size = mTextureInfoContainer.size();
1014 for( unsigned int cacheIndex = 0; cacheIndex < size; ++cacheIndex )
1016 if( mTextureInfoContainer[cacheIndex].maskTextureId == maskTextureInfo.textureId &&
1017 mTextureInfoContainer[cacheIndex].loadState == LoadState::WAITING_FOR_MASK )
1019 TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
1021 if( maskTextureInfo.loadState == LoadState::LOAD_FINISHED )
1023 // Send New Task to Thread
1024 ApplyMask( textureInfo, maskTextureInfo.textureId );
1028 textureInfo.pixelBuffer.Reset();
1029 textureInfo.loadState = LoadState::LOAD_FAILED;
1030 NotifyObservers( textureInfo, false );
1036 void TextureManager::ApplyMask( TextureInfo& textureInfo, TextureId maskTextureId )
1038 int maskCacheIndex = GetCacheIndexFromId( maskTextureId );
1039 if( maskCacheIndex != INVALID_CACHE_INDEX )
1041 Devel::PixelBuffer maskPixelBuffer = mTextureInfoContainer[maskCacheIndex].pixelBuffer;
1042 Devel::PixelBuffer pixelBuffer = textureInfo.pixelBuffer;
1043 textureInfo.pixelBuffer.Reset();
1045 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::ApplyMask(): url:%s sync:%s\n",
1046 textureInfo.url.GetUrl().c_str(), textureInfo.loadSynchronously?"T":"F" );
1048 textureInfo.loadState = LoadState::MASK_APPLYING;
1049 auto& loadersContainer = textureInfo.url.IsLocalResource() ? mAsyncLocalLoaders : mAsyncRemoteLoaders;
1050 auto loadingHelperIt = loadersContainer.GetNext();
1051 auto premultiplyOnLoad = textureInfo.preMultiplyOnLoad ? DevelAsyncImageLoader::PreMultiplyOnLoad::ON : DevelAsyncImageLoader::PreMultiplyOnLoad::OFF;
1052 DALI_ASSERT_ALWAYS(loadingHelperIt != loadersContainer.End());
1053 loadingHelperIt->ApplyMask( textureInfo.textureId, pixelBuffer, maskPixelBuffer, textureInfo.scaleFactor, textureInfo.cropToMask, premultiplyOnLoad );
1057 void TextureManager::UploadTexture( Devel::PixelBuffer& pixelBuffer, TextureInfo& textureInfo )
1059 if( textureInfo.useAtlas != USE_ATLAS )
1061 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, " TextureManager::UploadTexture() New Texture for textureId:%d\n", textureInfo.textureId );
1063 // Check if this pixelBuffer is premultiplied
1064 textureInfo.preMultiplied = pixelBuffer.IsAlphaPreMultiplied();
1066 auto& renderingAddOn = RenderingAddOn::Get();
1067 if( renderingAddOn.IsValid() )
1069 renderingAddOn.CreateGeometry( textureInfo.textureId, pixelBuffer );
1072 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, pixelBuffer.GetPixelFormat(),
1073 pixelBuffer.GetWidth(), pixelBuffer.GetHeight() );
1075 PixelData pixelData = Devel::PixelBuffer::Convert( pixelBuffer );
1076 texture.Upload( pixelData );
1077 if ( ! textureInfo.textureSet )
1079 textureInfo.textureSet = TextureSet::New();
1081 textureInfo.textureSet.SetTexture( 0u, texture );
1084 // Update the load state.
1085 // Note: This is regardless of success as we care about whether a
1086 // load attempt is in progress or not. If unsuccessful, a broken
1087 // image is still loaded.
1088 textureInfo.loadState = LoadState::UPLOADED;
1091 void TextureManager::NotifyObservers( TextureInfo& textureInfo, bool success )
1093 TextureId textureId = textureInfo.textureId;
1095 // If there is an observer: Notify the load is complete, whether successful or not,
1096 // and erase it from the list
1097 TextureInfo* info = &textureInfo;
1099 mQueueLoadFlag = true;
1101 while( info->observerList.Count() )
1103 TextureUploadObserver* observer = info->observerList[0];
1105 // During UploadComplete() a Control ResourceReady() signal is emitted.
1106 // During that signal the app may add remove /add Textures (e.g. via
1108 // It is possible for observers to be removed from the observer list,
1109 // and it is also possible for the mTextureInfoContainer to be modified,
1110 // invalidating the reference to the textureInfo struct.
1111 // Texture load requests for the same URL are deferred until the end of this
1113 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "NotifyObservers() url:%s loadState:%s\n",
1114 textureInfo.url.GetUrl().c_str(), GET_LOAD_STATE_STRING(textureInfo.loadState ) );
1116 // It is possible for the observer to be deleted.
1117 // Disconnect and remove the observer first.
1118 observer->DestructionSignal().Disconnect( this, &TextureManager::ObserverDestroyed );
1120 info->observerList.Erase( info->observerList.begin() );
1122 if( info->storageType == StorageType::RETURN_PIXEL_BUFFER )
1124 observer->LoadComplete( success, info->pixelBuffer, info->url, info->preMultiplied );
1128 observer->UploadComplete( success, info->textureId, info->textureSet, info->useAtlas, info->atlasRect,
1129 info->preMultiplied );
1132 // Get the textureInfo from the container again as it may have been invalidated.
1133 int textureInfoIndex = GetCacheIndexFromId( textureId );
1134 if( textureInfoIndex == INVALID_CACHE_INDEX)
1136 break; // texture has been removed - can stop.
1138 info = &mTextureInfoContainer[ textureInfoIndex ];
1141 mQueueLoadFlag = false;
1142 ProcessQueuedTextures();
1144 if( info->storageType == StorageType::RETURN_PIXEL_BUFFER && info->observerList.Count() == 0 )
1146 Remove( info->textureId, nullptr );
1150 TextureManager::TextureId TextureManager::GenerateUniqueTextureId()
1152 return mCurrentTextureId++;
1155 int TextureManager::GetCacheIndexFromId( const TextureId textureId )
1157 const unsigned int size = mTextureInfoContainer.size();
1159 for( unsigned int i = 0; i < size; ++i )
1161 if( mTextureInfoContainer[i].textureId == textureId )
1167 return INVALID_CACHE_INDEX;
1170 TextureManager::TextureHash TextureManager::GenerateHash(
1171 const std::string& url,
1172 const ImageDimensions size,
1173 const FittingMode::Type fittingMode,
1174 const Dali::SamplingMode::Type samplingMode,
1175 const UseAtlas useAtlas,
1176 TextureId maskTextureId)
1178 std::string hashTarget( url );
1179 const size_t urlLength = hashTarget.length();
1180 const uint16_t width = size.GetWidth();
1181 const uint16_t height = size.GetWidth();
1183 // If either the width or height has been specified, include the resizing options in the hash
1184 if( width != 0 || height != 0 )
1186 // We are appending 5 bytes to the URL to form the hash input.
1187 hashTarget.resize( urlLength + 5u );
1188 char* hashTargetPtr = &( hashTarget[ urlLength ] );
1190 // Pack the width and height (4 bytes total).
1191 *hashTargetPtr++ = size.GetWidth() & 0xff;
1192 *hashTargetPtr++ = ( size.GetWidth() >> 8u ) & 0xff;
1193 *hashTargetPtr++ = size.GetHeight() & 0xff;
1194 *hashTargetPtr++ = ( size.GetHeight() >> 8u ) & 0xff;
1196 // Bit-pack the FittingMode, SamplingMode and atlasing.
1197 // FittingMode=2bits, SamplingMode=3bits, useAtlas=1bit
1198 *hashTargetPtr = ( fittingMode << 4u ) | ( samplingMode << 1 ) | useAtlas;
1202 // We are not including sizing information, but we still need an extra byte for atlasing.
1203 hashTarget.resize( urlLength + 1u );
1205 // Add the atlasing to the hash input.
1208 case UseAtlas::NO_ATLAS:
1210 hashTarget[ urlLength ] = 'f';
1213 case UseAtlas::USE_ATLAS:
1215 hashTarget[ urlLength ] = 't';
1221 if( maskTextureId != INVALID_TEXTURE_ID )
1223 auto textureIdIndex = hashTarget.length();
1224 hashTarget.resize( hashTarget.length() + sizeof( TextureId ) );
1225 unsigned char* hashTargetPtr = reinterpret_cast<unsigned char*>(&( hashTarget[ textureIdIndex ] ));
1227 // Append the texture id to the end of the URL byte by byte:
1228 // (to avoid SIGBUS / alignment issues)
1229 for( size_t byteIter = 0; byteIter < sizeof( TextureId ); ++byteIter )
1231 *hashTargetPtr++ = maskTextureId & 0xff;
1232 maskTextureId >>= 8u;
1236 return Dali::CalculateHash( hashTarget );
1239 int TextureManager::FindCachedTexture(
1240 const TextureManager::TextureHash hash,
1241 const std::string& url,
1242 const ImageDimensions size,
1243 const FittingMode::Type fittingMode,
1244 const Dali::SamplingMode::Type samplingMode,
1245 const bool useAtlas,
1246 TextureId maskTextureId,
1247 TextureManager::MultiplyOnLoad preMultiplyOnLoad)
1249 // Default to an invalid ID, in case we do not find a match.
1250 int cacheIndex = INVALID_CACHE_INDEX;
1252 // Iterate through our hashes to find a match.
1253 const unsigned int count = mTextureInfoContainer.size();
1254 for( unsigned int i = 0u; i < count; ++i )
1256 if( mTextureInfoContainer[i].hash == hash )
1258 // We have a match, now we check all the original parameters in case of a hash collision.
1259 TextureInfo& textureInfo( mTextureInfoContainer[i] );
1261 if( ( url == textureInfo.url.GetUrl() ) &&
1262 ( useAtlas == textureInfo.useAtlas ) &&
1263 ( maskTextureId == textureInfo.maskTextureId ) &&
1264 ( size == textureInfo.desiredSize ) &&
1265 ( ( size.GetWidth() == 0 && size.GetHeight() == 0 ) ||
1266 ( fittingMode == textureInfo.fittingMode &&
1267 samplingMode == textureInfo.samplingMode ) ) )
1269 // 1. If preMultiplyOnLoad is MULTIPLY_ON_LOAD, then textureInfo.preMultiplyOnLoad should be true. The premultiplication result can be different.
1270 // 2. If preMultiplyOnLoad is LOAD_WITHOUT_MULTIPLY, then textureInfo.preMultiplied should be false.
1271 if( ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD && textureInfo.preMultiplyOnLoad )
1272 || ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY && !textureInfo.preMultiplied ) )
1274 // The found Texture is a match.
1285 void TextureManager::ObserverDestroyed( TextureUploadObserver* observer )
1287 const unsigned int count = mTextureInfoContainer.size();
1288 for( unsigned int i = 0; i < count; ++i )
1290 TextureInfo& textureInfo( mTextureInfoContainer[i] );
1291 for( TextureInfo::ObserverListType::Iterator j = textureInfo.observerList.Begin();
1292 j != textureInfo.observerList.End(); )
1294 if( *j == observer )
1296 j = textureInfo.observerList.Erase( j );
1305 // Remove element from the LoadQueue
1306 for( auto&& element : mLoadQueue )
1308 if( element.mObserver == observer )
1310 element.mObserver = nullptr;
1316 TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(TextureManager& textureManager)
1317 : AsyncLoadingHelper(Toolkit::AsyncImageLoader::New(), textureManager,
1318 AsyncLoadingInfoContainerType())
1322 void TextureManager::AsyncLoadingHelper::LoadAnimatedImage( TextureId textureId,
1323 Dali::AnimatedImageLoading animatedImageLoading,
1324 uint32_t frameIndex )
1326 mLoadingInfoContainer.push_back( AsyncLoadingInfo( textureId ) );
1327 auto id = DevelAsyncImageLoader::LoadAnimatedImage( mLoader, animatedImageLoading, frameIndex );
1328 mLoadingInfoContainer.back().loadId = id;
1331 void TextureManager::AsyncLoadingHelper::Load( TextureId textureId,
1332 const VisualUrl& url,
1333 ImageDimensions desiredSize,
1334 FittingMode::Type fittingMode,
1335 SamplingMode::Type samplingMode,
1336 bool orientationCorrection,
1337 DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad )
1339 mLoadingInfoContainer.push_back( AsyncLoadingInfo( textureId ) );
1340 auto id = DevelAsyncImageLoader::Load( mLoader, url.GetUrl(), desiredSize, fittingMode, samplingMode, orientationCorrection, preMultiplyOnLoad );
1341 mLoadingInfoContainer.back().loadId = id;
1344 void TextureManager::AsyncLoadingHelper::ApplyMask( TextureId textureId,
1345 Devel::PixelBuffer pixelBuffer,
1346 Devel::PixelBuffer maskPixelBuffer,
1349 DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad )
1351 mLoadingInfoContainer.push_back( AsyncLoadingInfo( textureId ) );
1352 auto id = DevelAsyncImageLoader::ApplyMask( mLoader, pixelBuffer, maskPixelBuffer, contentScale, cropToMask, preMultiplyOnLoad );
1353 mLoadingInfoContainer.back().loadId = id;
1356 TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(AsyncLoadingHelper&& rhs)
1357 : AsyncLoadingHelper(rhs.mLoader, rhs.mTextureManager, std::move(rhs.mLoadingInfoContainer))
1361 TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(
1362 Toolkit::AsyncImageLoader loader,
1363 TextureManager& textureManager,
1364 AsyncLoadingInfoContainerType&& loadingInfoContainer)
1366 mTextureManager(textureManager),
1367 mLoadingInfoContainer(std::move(loadingInfoContainer))
1369 DevelAsyncImageLoader::PixelBufferLoadedSignal(mLoader).Connect(
1370 this, &AsyncLoadingHelper::AsyncLoadComplete);
1373 void TextureManager::AsyncLoadingHelper::AsyncLoadComplete(uint32_t id,
1374 Devel::PixelBuffer pixelBuffer )
1376 mTextureManager.AsyncLoadComplete( mLoadingInfoContainer, id, pixelBuffer );
1379 void TextureManager::SetBrokenImageUrl(const std::string& brokenImageUrl)
1381 mBrokenImageUrl = brokenImageUrl;
1384 Geometry TextureManager::GetRenderGeometry(TextureId textureId, uint32_t& frontElements, uint32_t& backElements )
1386 return RenderingAddOn::Get().IsValid() ?
1387 RenderingAddOn::Get().GetGeometry( textureId, frontElements, backElements) :
1391 } // namespace Internal
1393 } // namespace Toolkit