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)
463 textureHash = GenerateHash(url.GetUrl(), desiredSize, fittingMode, samplingMode, useAtlas, maskTextureId, isAnimatedImage, frameIndex);
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, isAnimatedImage, frameIndex);
469 TextureManager::TextureId textureId = INVALID_TEXTURE_ID;
471 // Check if the requested Texture exists in the cache.
472 if( cacheIndex != INVALID_CACHE_INDEX )
474 if ( TextureManager::ReloadPolicy::CACHED == reloadPolicy )
476 // Mark this texture being used by another client resource. Forced reload would replace the current texture
477 // without the need for incrementing the reference count.
478 ++( mTextureInfoContainer[ cacheIndex ].referenceCount );
480 textureId = mTextureInfoContainer[ cacheIndex ].textureId;
482 // Update preMultiplyOnLoad value. It should be changed according to preMultiplied value of the cached info.
483 preMultiplyOnLoad = mTextureInfoContainer[ cacheIndex ].preMultiplied ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
485 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureManager::RequestLoad( url=%s observer=%p ) Using cached texture id@%d, textureId=%d\n",
486 url.GetUrl().c_str(), observer, cacheIndex, textureId );
489 if( textureId == INVALID_TEXTURE_ID ) // There was no caching, or caching not required
491 // We need a new Texture.
492 textureId = GenerateUniqueTextureId();
493 bool preMultiply = ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD );
494 mTextureInfoContainer.push_back( TextureInfo( textureId, maskTextureId, url.GetUrl(),
495 desiredSize, contentScale, fittingMode, samplingMode,
496 false, cropToMask, useAtlas, textureHash, orientationCorrection,
497 preMultiply, animatedImageLoading, frameIndex ) );
498 cacheIndex = mTextureInfoContainer.size() - 1u;
500 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureManager::RequestLoad( url=%s observer=%p ) New texture, cacheIndex:%d, textureId=%d\n",
501 url.GetUrl().c_str(), observer, cacheIndex, textureId );
504 // The below code path is common whether we are using the cache or not.
505 // The textureInfoIndex now refers to either a pre-existing cached TextureInfo,
506 // or a new TextureInfo just created.
507 TextureInfo& textureInfo( mTextureInfoContainer[ cacheIndex ] );
508 textureInfo.maskTextureId = maskTextureId;
509 textureInfo.storageType = storageType;
510 textureInfo.orientationCorrection = orientationCorrection;
512 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureInfo loadState:%s\n",
513 GET_LOAD_STATE_STRING(textureInfo.loadState ) );
515 // Force reloading of texture by setting loadState unless already loading or cancelled.
516 if ( TextureManager::ReloadPolicy::FORCED == reloadPolicy &&
517 TextureManager::LoadState::LOADING != textureInfo.loadState &&
518 TextureManager::LoadState::WAITING_FOR_MASK != textureInfo.loadState &&
519 TextureManager::LoadState::MASK_APPLYING != textureInfo.loadState &&
520 TextureManager::LoadState::MASK_APPLIED != textureInfo.loadState &&
521 TextureManager::LoadState::CANCELLED != textureInfo.loadState )
523 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Verbose, "TextureManager::RequestLoad( url=%s observer=%p ) ForcedReload cacheIndex:%d, textureId=%d\n",
524 url.GetUrl().c_str(), observer, cacheIndex, textureId );
526 textureInfo.loadState = TextureManager::LoadState::NOT_STARTED;
529 // Check if we should add the observer.
530 // Only do this if we have not loaded yet and it will not have loaded by the end of this method.
531 switch( textureInfo.loadState )
533 case TextureManager::LoadState::LOAD_FAILED: // Failed notifies observer which then stops observing.
534 case TextureManager::LoadState::NOT_STARTED:
536 LoadOrQueueTexture( textureInfo, observer ); // If called inside NotifyObservers, queues until afterwards
539 case TextureManager::LoadState::LOADING:
540 case TextureManager::LoadState::WAITING_FOR_MASK:
541 case TextureManager::LoadState::MASK_APPLYING:
542 case TextureManager::LoadState::MASK_APPLIED:
544 ObserveTexture( textureInfo, observer );
547 case TextureManager::LoadState::UPLOADED:
551 LoadOrQueueTexture( textureInfo, observer );
555 case TextureManager::LoadState::CANCELLED:
557 // A cancelled texture hasn't finished loading yet. Treat as a loading texture
558 // (it's ref count has already been incremented, above)
559 textureInfo.loadState = TextureManager::LoadState::LOADING;
560 ObserveTexture( textureInfo, observer );
563 case TextureManager::LoadState::LOAD_FINISHED:
565 // Loading has already completed.
566 if( observer && textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER )
568 LoadOrQueueTexture( textureInfo, observer );
574 // Return the TextureId for which this Texture can now be referenced by externally.
578 void TextureManager::Remove( const TextureManager::TextureId textureId, TextureUploadObserver* observer )
580 int textureInfoIndex = GetCacheIndexFromId( textureId );
581 if( textureInfoIndex != INVALID_INDEX )
583 TextureInfo& textureInfo( mTextureInfoContainer[ textureInfoIndex ] );
585 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise,
586 "TextureManager::Remove(%d) url:%s\n cacheIdx:%d loadState:%s reference count = %d\n",
587 textureId, textureInfo.url.GetUrl().c_str(),
588 textureInfoIndex, GET_LOAD_STATE_STRING( textureInfo.loadState ), textureInfo.referenceCount );
590 // Decrement the reference count and check if this is the last user of this Texture.
591 if( --textureInfo.referenceCount <= 0 )
593 // This is the last remove for this Texture.
594 textureInfo.referenceCount = 0;
595 bool removeTextureInfo = false;
597 // If loaded, we can remove the TextureInfo and the Atlas (if atlased).
598 if( textureInfo.loadState == LoadState::UPLOADED )
600 if( textureInfo.atlas )
602 textureInfo.atlas.Remove( textureInfo.atlasRect );
604 removeTextureInfo = true;
606 else if( textureInfo.loadState == LoadState::LOADING )
608 // We mark the textureInfo for removal.
609 // Once the load has completed, this method will be called again.
610 textureInfo.loadState = LoadState::CANCELLED;
614 // In other states, we are not waiting for a load so we are safe to remove the TextureInfo data.
615 removeTextureInfo = true;
618 // If the state allows us to remove the TextureInfo data, we do so.
619 if( removeTextureInfo )
621 // Permanently remove the textureInfo struct.
622 mTextureInfoContainer.erase( mTextureInfoContainer.begin() + textureInfoIndex );
628 // Remove element from the LoadQueue
629 for( auto&& element : mLoadQueue )
631 if( element.mObserver == observer )
633 mLoadQueue.Erase( &element );
641 VisualUrl TextureManager::GetVisualUrl( TextureId textureId )
643 VisualUrl visualUrl("");
644 int cacheIndex = GetCacheIndexFromId( textureId );
646 if( cacheIndex != INVALID_CACHE_INDEX )
648 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::GetVisualUrl. Using cached texture id=%d, textureId=%d\n",
649 cacheIndex, textureId );
651 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
652 visualUrl = cachedTextureInfo.url;
657 TextureManager::LoadState TextureManager::GetTextureState( TextureId textureId )
659 LoadState loadState = TextureManager::LoadState::NOT_STARTED;
661 int cacheIndex = GetCacheIndexFromId( textureId );
662 if( cacheIndex != INVALID_CACHE_INDEX )
664 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
665 loadState = cachedTextureInfo.loadState;
669 for( auto&& elem : mExternalTextures )
671 if( elem.textureId == textureId )
673 loadState = LoadState::UPLOADED;
681 TextureManager::LoadState TextureManager::GetTextureStateInternal( TextureId textureId )
683 LoadState loadState = TextureManager::LoadState::NOT_STARTED;
685 int cacheIndex = GetCacheIndexFromId( textureId );
686 if( cacheIndex != INVALID_CACHE_INDEX )
688 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
689 loadState = cachedTextureInfo.loadState;
695 TextureSet TextureManager::GetTextureSet( TextureId textureId )
697 TextureSet textureSet;// empty handle
699 int cacheIndex = GetCacheIndexFromId( textureId );
700 if( cacheIndex != INVALID_CACHE_INDEX )
702 TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
703 textureSet = cachedTextureInfo.textureSet;
707 for( auto&& elem : mExternalTextures )
709 if( elem.textureId == textureId )
711 textureSet = elem.textureSet;
719 std::string TextureManager::AddExternalTexture( TextureSet& textureSet )
721 TextureManager::ExternalTextureInfo info;
722 info.textureId = GenerateUniqueTextureId();
723 info.textureSet = textureSet;
724 mExternalTextures.emplace_back( info );
725 return VisualUrl::CreateTextureUrl( std::to_string( info.textureId ) );
728 TextureSet TextureManager::RemoveExternalTexture( const std::string& url )
730 if( url.size() > 0u )
732 // get the location from the Url
733 VisualUrl parseUrl( url );
734 if( VisualUrl::TEXTURE == parseUrl.GetProtocolType() )
736 std::string location = parseUrl.GetLocation();
737 if( location.size() > 0u )
739 TextureId id = std::stoi( location );
740 const auto end = mExternalTextures.end();
741 for( auto iter = mExternalTextures.begin(); iter != end; ++iter )
743 if( iter->textureId == id )
745 auto textureSet = iter->textureSet;
746 mExternalTextures.erase( iter );
756 void TextureManager::AddObserver( TextureManager::LifecycleObserver& observer )
758 // make sure an observer doesn't observe the same object twice
759 // otherwise it will get multiple calls to ObjectDestroyed()
760 DALI_ASSERT_DEBUG( mLifecycleObservers.End() == std::find( mLifecycleObservers.Begin(), mLifecycleObservers.End(), &observer));
761 mLifecycleObservers.PushBack( &observer );
764 void TextureManager::RemoveObserver( TextureManager::LifecycleObserver& observer)
766 // Find the observer...
767 auto endIter = mLifecycleObservers.End();
768 for( auto iter = mLifecycleObservers.Begin(); iter != endIter; ++iter)
770 if( (*iter) == &observer)
772 mLifecycleObservers.Erase( iter );
776 DALI_ASSERT_DEBUG(endIter != mLifecycleObservers.End());
779 void TextureManager::LoadOrQueueTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
781 switch( textureInfo.loadState )
783 case LoadState::NOT_STARTED:
784 case LoadState::LOAD_FAILED:
788 QueueLoadTexture( textureInfo, observer );
792 LoadTexture( textureInfo, observer );
796 case LoadState::UPLOADED:
800 QueueLoadTexture( textureInfo, observer );
804 // The Texture has already loaded. The other observers have already been notified.
805 // We need to send a "late" loaded notification for this observer.
806 observer->UploadComplete( true, textureInfo.textureId, textureInfo.textureSet,
807 textureInfo.useAtlas, textureInfo.atlasRect,
808 textureInfo.preMultiplied );
812 case LoadState::LOADING:
813 case LoadState::CANCELLED:
814 case LoadState::LOAD_FINISHED:
815 case LoadState::WAITING_FOR_MASK:
816 case LoadState::MASK_APPLYING:
817 case LoadState::MASK_APPLIED:
824 void TextureManager::QueueLoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
826 auto textureId = textureInfo.textureId;
827 mLoadQueue.PushBack( LoadQueueElement( textureId, observer) );
829 observer->DestructionSignal().Connect( this, &TextureManager::ObserverDestroyed );
832 void TextureManager::LoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
834 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::LoadTexture(): url:%s sync:%s\n",
835 textureInfo.url.GetUrl().c_str(), textureInfo.loadSynchronously?"T":"F" );
837 textureInfo.loadState = LoadState::LOADING;
838 if( !textureInfo.loadSynchronously )
840 auto& loadersContainer = textureInfo.url.IsLocalResource() ? mAsyncLocalLoaders : mAsyncRemoteLoaders;
841 auto loadingHelperIt = loadersContainer.GetNext();
842 auto premultiplyOnLoad = ( textureInfo.preMultiplyOnLoad && textureInfo.maskTextureId == INVALID_TEXTURE_ID ) ?
843 DevelAsyncImageLoader::PreMultiplyOnLoad::ON : DevelAsyncImageLoader::PreMultiplyOnLoad::OFF;
844 DALI_ASSERT_ALWAYS(loadingHelperIt != loadersContainer.End());
845 if( textureInfo.animatedImageLoading )
847 loadingHelperIt->LoadAnimatedImage( textureInfo.textureId, textureInfo.animatedImageLoading, textureInfo.frameIndex );
851 loadingHelperIt->Load(textureInfo.textureId, textureInfo.url,
852 textureInfo.desiredSize, textureInfo.fittingMode,
853 textureInfo.samplingMode, textureInfo.orientationCorrection,
857 ObserveTexture( textureInfo, observer );
860 void TextureManager::ProcessQueuedTextures()
862 for( auto&& element : mLoadQueue )
864 if( !element.mObserver )
869 int cacheIndex = GetCacheIndexFromId( element.mTextureId );
870 if( cacheIndex != INVALID_CACHE_INDEX )
872 TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
873 if( textureInfo.loadState == LoadState::UPLOADED )
875 element.mObserver->UploadComplete( true, textureInfo.textureId, textureInfo.textureSet,
876 textureInfo.useAtlas, textureInfo.atlasRect,
877 textureInfo.preMultiplied );
879 else if ( textureInfo.loadState == LoadState::LOAD_FINISHED && textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER )
881 element.mObserver->LoadComplete( true, textureInfo.pixelBuffer, textureInfo.url, textureInfo.preMultiplied );
885 LoadTexture( textureInfo, element.mObserver );
892 void TextureManager::ObserveTexture( TextureInfo& textureInfo,
893 TextureUploadObserver* observer )
895 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::ObserveTexture(): url:%s observer:%p\n",
896 textureInfo.url.GetUrl().c_str(), observer );
900 textureInfo.observerList.PushBack( observer );
901 observer->DestructionSignal().Connect( this, &TextureManager::ObserverDestroyed );
905 void TextureManager::AsyncLoadComplete( AsyncLoadingInfoContainerType& loadingContainer, uint32_t id,
906 Devel::PixelBuffer pixelBuffer )
908 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::AsyncLoadComplete( id:%d )\n", id );
910 if( loadingContainer.size() >= 1u )
912 AsyncLoadingInfo loadingInfo = loadingContainer.front();
914 if( loadingInfo.loadId == id )
916 int cacheIndex = GetCacheIndexFromId( loadingInfo.textureId );
917 if( cacheIndex != INVALID_CACHE_INDEX )
919 TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
921 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise,
922 " textureId:%d Url:%s CacheIndex:%d LoadState: %d\n",
923 textureInfo.textureId, textureInfo.url.GetUrl().c_str(), cacheIndex, textureInfo.loadState );
925 if( textureInfo.loadState != LoadState::CANCELLED )
927 // textureInfo can be invalidated after this call (as the mTextureInfoContainer may be modified)
928 PostLoad( textureInfo, pixelBuffer );
932 Remove( textureInfo.textureId, nullptr );
937 loadingContainer.pop_front();
941 void TextureManager::PostLoad( TextureInfo& textureInfo, Devel::PixelBuffer& pixelBuffer )
943 // Was the load successful?
944 if( pixelBuffer && ( pixelBuffer.GetWidth() != 0 ) && ( pixelBuffer.GetHeight() != 0 ) )
946 // No atlas support for now
947 textureInfo.useAtlas = NO_ATLAS;
948 textureInfo.preMultiplied = pixelBuffer.IsAlphaPreMultiplied();
950 if( textureInfo.storageType == StorageType::UPLOAD_TO_TEXTURE )
952 // If there is a mask texture ID associated with this texture, then apply the mask
953 // if it's already loaded. If it hasn't, and the mask is still loading,
954 // wait for the mask to finish loading.
955 if( textureInfo.maskTextureId != INVALID_TEXTURE_ID )
957 if( textureInfo.loadState == LoadState::MASK_APPLYING )
959 textureInfo.loadState = LoadState::MASK_APPLIED;
960 UploadTexture( pixelBuffer, textureInfo );
961 NotifyObservers( textureInfo, true );
965 LoadState maskLoadState = GetTextureStateInternal( textureInfo.maskTextureId );
966 textureInfo.pixelBuffer = pixelBuffer; // Store the pixel buffer temporarily
967 if( maskLoadState == LoadState::LOADING )
969 textureInfo.loadState = LoadState::WAITING_FOR_MASK;
971 else if( maskLoadState == LoadState::LOAD_FINISHED )
973 // Send New Task to Thread
974 ApplyMask( textureInfo, textureInfo.maskTextureId );
980 UploadTexture( pixelBuffer, textureInfo );
981 NotifyObservers( textureInfo, true );
986 textureInfo.pixelBuffer = pixelBuffer; // Store the pixel data
987 textureInfo.loadState = LoadState::LOAD_FINISHED;
989 if( textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER )
991 NotifyObservers( textureInfo, true );
995 // Check if there was another texture waiting for this load to complete
996 // (e.g. if this was an image mask, and its load is on a different thread)
997 CheckForWaitingTexture( textureInfo );
1003 // @todo If the load was unsuccessful, upload the broken image.
1004 textureInfo.loadState = LoadState::LOAD_FAILED;
1005 CheckForWaitingTexture( textureInfo );
1006 NotifyObservers( textureInfo, false );
1010 void TextureManager::CheckForWaitingTexture( TextureInfo& maskTextureInfo )
1012 // Search the cache, checking if any texture has this texture id as a
1014 const unsigned int size = mTextureInfoContainer.size();
1016 for( unsigned int cacheIndex = 0; cacheIndex < size; ++cacheIndex )
1018 if( mTextureInfoContainer[cacheIndex].maskTextureId == maskTextureInfo.textureId &&
1019 mTextureInfoContainer[cacheIndex].loadState == LoadState::WAITING_FOR_MASK )
1021 TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
1023 if( maskTextureInfo.loadState == LoadState::LOAD_FINISHED )
1025 // Send New Task to Thread
1026 ApplyMask( textureInfo, maskTextureInfo.textureId );
1030 textureInfo.pixelBuffer.Reset();
1031 textureInfo.loadState = LoadState::LOAD_FAILED;
1032 NotifyObservers( textureInfo, false );
1038 void TextureManager::ApplyMask( TextureInfo& textureInfo, TextureId maskTextureId )
1040 int maskCacheIndex = GetCacheIndexFromId( maskTextureId );
1041 if( maskCacheIndex != INVALID_CACHE_INDEX )
1043 Devel::PixelBuffer maskPixelBuffer = mTextureInfoContainer[maskCacheIndex].pixelBuffer;
1044 Devel::PixelBuffer pixelBuffer = textureInfo.pixelBuffer;
1045 textureInfo.pixelBuffer.Reset();
1047 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::ApplyMask(): url:%s sync:%s\n",
1048 textureInfo.url.GetUrl().c_str(), textureInfo.loadSynchronously?"T":"F" );
1050 textureInfo.loadState = LoadState::MASK_APPLYING;
1051 auto& loadersContainer = textureInfo.url.IsLocalResource() ? mAsyncLocalLoaders : mAsyncRemoteLoaders;
1052 auto loadingHelperIt = loadersContainer.GetNext();
1053 auto premultiplyOnLoad = textureInfo.preMultiplyOnLoad ? DevelAsyncImageLoader::PreMultiplyOnLoad::ON : DevelAsyncImageLoader::PreMultiplyOnLoad::OFF;
1054 DALI_ASSERT_ALWAYS(loadingHelperIt != loadersContainer.End());
1055 loadingHelperIt->ApplyMask( textureInfo.textureId, pixelBuffer, maskPixelBuffer, textureInfo.scaleFactor, textureInfo.cropToMask, premultiplyOnLoad );
1059 void TextureManager::UploadTexture( Devel::PixelBuffer& pixelBuffer, TextureInfo& textureInfo )
1061 if( textureInfo.useAtlas != USE_ATLAS )
1063 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, " TextureManager::UploadTexture() New Texture for textureId:%d\n", textureInfo.textureId );
1065 // Check if this pixelBuffer is premultiplied
1066 textureInfo.preMultiplied = pixelBuffer.IsAlphaPreMultiplied();
1068 auto& renderingAddOn = RenderingAddOn::Get();
1069 if( renderingAddOn.IsValid() )
1071 renderingAddOn.CreateGeometry( textureInfo.textureId, pixelBuffer );
1074 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, pixelBuffer.GetPixelFormat(),
1075 pixelBuffer.GetWidth(), pixelBuffer.GetHeight() );
1077 PixelData pixelData = Devel::PixelBuffer::Convert( pixelBuffer );
1078 texture.Upload( pixelData );
1079 if ( ! textureInfo.textureSet )
1081 textureInfo.textureSet = TextureSet::New();
1083 textureInfo.textureSet.SetTexture( 0u, texture );
1086 // Update the load state.
1087 // Note: This is regardless of success as we care about whether a
1088 // load attempt is in progress or not. If unsuccessful, a broken
1089 // image is still loaded.
1090 textureInfo.loadState = LoadState::UPLOADED;
1093 void TextureManager::NotifyObservers( TextureInfo& textureInfo, bool success )
1095 TextureId textureId = textureInfo.textureId;
1097 // If there is an observer: Notify the load is complete, whether successful or not,
1098 // and erase it from the list
1099 TextureInfo* info = &textureInfo;
1101 mQueueLoadFlag = true;
1103 while( info->observerList.Count() )
1105 TextureUploadObserver* observer = info->observerList[0];
1107 // During UploadComplete() a Control ResourceReady() signal is emitted.
1108 // During that signal the app may add remove /add Textures (e.g. via
1110 // It is possible for observers to be removed from the observer list,
1111 // and it is also possible for the mTextureInfoContainer to be modified,
1112 // invalidating the reference to the textureInfo struct.
1113 // Texture load requests for the same URL are deferred until the end of this
1115 DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "NotifyObservers() url:%s loadState:%s\n",
1116 textureInfo.url.GetUrl().c_str(), GET_LOAD_STATE_STRING(textureInfo.loadState ) );
1118 // It is possible for the observer to be deleted.
1119 // Disconnect and remove the observer first.
1120 observer->DestructionSignal().Disconnect( this, &TextureManager::ObserverDestroyed );
1122 info->observerList.Erase( info->observerList.begin() );
1124 if( info->storageType == StorageType::RETURN_PIXEL_BUFFER )
1126 observer->LoadComplete( success, info->pixelBuffer, info->url, info->preMultiplied );
1130 observer->UploadComplete( success, info->textureId, info->textureSet, info->useAtlas, info->atlasRect,
1131 info->preMultiplied );
1134 // Get the textureInfo from the container again as it may have been invalidated.
1135 int textureInfoIndex = GetCacheIndexFromId( textureId );
1136 if( textureInfoIndex == INVALID_CACHE_INDEX)
1138 break; // texture has been removed - can stop.
1140 info = &mTextureInfoContainer[ textureInfoIndex ];
1143 mQueueLoadFlag = false;
1144 ProcessQueuedTextures();
1146 if( info->storageType == StorageType::RETURN_PIXEL_BUFFER && info->observerList.Count() == 0 )
1148 Remove( info->textureId, nullptr );
1152 TextureManager::TextureId TextureManager::GenerateUniqueTextureId()
1154 return mCurrentTextureId++;
1157 int TextureManager::GetCacheIndexFromId( const TextureId textureId )
1159 const unsigned int size = mTextureInfoContainer.size();
1161 for( unsigned int i = 0; i < size; ++i )
1163 if( mTextureInfoContainer[i].textureId == textureId )
1169 return INVALID_CACHE_INDEX;
1172 TextureManager::TextureHash TextureManager::GenerateHash(
1173 const std::string& url,
1174 const ImageDimensions size,
1175 const FittingMode::Type fittingMode,
1176 const Dali::SamplingMode::Type samplingMode,
1177 const UseAtlas useAtlas,
1178 TextureId maskTextureId,
1179 bool isAnimationImage,
1180 uint32_t frameIndex )
1182 std::string hashTarget( url );
1183 const size_t urlLength = hashTarget.length();
1184 const uint16_t width = size.GetWidth();
1185 const uint16_t height = size.GetWidth();
1187 // If either the width or height has been specified, include the resizing options in the hash
1188 if( width != 0 || height != 0 )
1190 // We are appending 5 bytes to the URL to form the hash input.
1191 hashTarget.resize( urlLength + 5u );
1192 char* hashTargetPtr = &( hashTarget[ urlLength ] );
1194 // Pack the width and height (4 bytes total).
1195 *hashTargetPtr++ = size.GetWidth() & 0xff;
1196 *hashTargetPtr++ = ( size.GetWidth() >> 8u ) & 0xff;
1197 *hashTargetPtr++ = size.GetHeight() & 0xff;
1198 *hashTargetPtr++ = ( size.GetHeight() >> 8u ) & 0xff;
1200 // Bit-pack the FittingMode, SamplingMode and atlasing.
1201 // FittingMode=2bits, SamplingMode=3bits, useAtlas=1bit
1202 *hashTargetPtr = ( fittingMode << 4u ) | ( samplingMode << 1 ) | useAtlas;
1206 // We are not including sizing information, but we still need an extra byte for atlasing.
1207 hashTarget.resize( urlLength + 1u );
1209 // Add the atlasing to the hash input.
1212 case UseAtlas::NO_ATLAS:
1214 hashTarget[ urlLength ] = 'f';
1217 case UseAtlas::USE_ATLAS:
1219 hashTarget[ urlLength ] = 't';
1225 if( isAnimationImage )
1227 auto textureIdIndex = hashTarget.length();
1228 hashTarget.resize( hashTarget.length() + sizeof( uint32_t ) );
1229 char* hashTargetPtr = &( hashTarget[ textureIdIndex ] );
1231 for( size_t byteIter = 0; byteIter < sizeof( uint32_t ); ++byteIter )
1233 *hashTargetPtr++ = frameIndex & 0xff;
1238 if( maskTextureId != INVALID_TEXTURE_ID )
1240 auto textureIdIndex = hashTarget.length();
1241 hashTarget.resize( hashTarget.length() + sizeof( TextureId ) );
1242 unsigned char* hashTargetPtr = reinterpret_cast<unsigned char*>(&( hashTarget[ textureIdIndex ] ));
1244 // Append the texture id to the end of the URL byte by byte:
1245 // (to avoid SIGBUS / alignment issues)
1246 for( size_t byteIter = 0; byteIter < sizeof( TextureId ); ++byteIter )
1248 *hashTargetPtr++ = maskTextureId & 0xff;
1249 maskTextureId >>= 8u;
1253 return Dali::CalculateHash( hashTarget );
1256 int TextureManager::FindCachedTexture(
1257 const TextureManager::TextureHash hash,
1258 const std::string& url,
1259 const ImageDimensions size,
1260 const FittingMode::Type fittingMode,
1261 const Dali::SamplingMode::Type samplingMode,
1262 const bool useAtlas,
1263 TextureId maskTextureId,
1264 TextureManager::MultiplyOnLoad preMultiplyOnLoad,
1265 bool isAnimatedImage,
1266 uint32_t frameIndex )
1268 // Default to an invalid ID, in case we do not find a match.
1269 int cacheIndex = INVALID_CACHE_INDEX;
1271 // Iterate through our hashes to find a match.
1272 const unsigned int count = mTextureInfoContainer.size();
1273 for( unsigned int i = 0u; i < count; ++i )
1275 if( mTextureInfoContainer[i].hash == hash )
1277 // We have a match, now we check all the original parameters in case of a hash collision.
1278 TextureInfo& textureInfo( mTextureInfoContainer[i] );
1280 if( ( url == textureInfo.url.GetUrl() ) &&
1281 ( useAtlas == textureInfo.useAtlas ) &&
1282 ( maskTextureId == textureInfo.maskTextureId ) &&
1283 ( size == textureInfo.desiredSize ) &&
1284 ( ( size.GetWidth() == 0 && size.GetHeight() == 0 ) ||
1285 ( fittingMode == textureInfo.fittingMode &&
1286 samplingMode == textureInfo.samplingMode ) ) &&
1287 ( isAnimatedImage == ( ( textureInfo.animatedImageLoading ) ? true : false ) ) &&
1288 ( frameIndex == textureInfo.frameIndex ) )
1290 // 1. If preMultiplyOnLoad is MULTIPLY_ON_LOAD, then textureInfo.preMultiplyOnLoad should be true. The premultiplication result can be different.
1291 // 2. If preMultiplyOnLoad is LOAD_WITHOUT_MULTIPLY, then textureInfo.preMultiplied should be false.
1292 if( ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD && textureInfo.preMultiplyOnLoad )
1293 || ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY && !textureInfo.preMultiplied ) )
1295 // The found Texture is a match.
1306 void TextureManager::ObserverDestroyed( TextureUploadObserver* observer )
1308 const unsigned int count = mTextureInfoContainer.size();
1309 for( unsigned int i = 0; i < count; ++i )
1311 TextureInfo& textureInfo( mTextureInfoContainer[i] );
1312 for( TextureInfo::ObserverListType::Iterator j = textureInfo.observerList.Begin();
1313 j != textureInfo.observerList.End(); )
1315 if( *j == observer )
1317 j = textureInfo.observerList.Erase( j );
1326 // Remove element from the LoadQueue
1327 for( auto&& element : mLoadQueue )
1329 if( element.mObserver == observer )
1331 element.mObserver = nullptr;
1337 TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(TextureManager& textureManager)
1338 : AsyncLoadingHelper(Toolkit::AsyncImageLoader::New(), textureManager,
1339 AsyncLoadingInfoContainerType())
1343 void TextureManager::AsyncLoadingHelper::LoadAnimatedImage( TextureId textureId,
1344 Dali::AnimatedImageLoading animatedImageLoading,
1345 uint32_t frameIndex )
1347 mLoadingInfoContainer.push_back( AsyncLoadingInfo( textureId ) );
1348 auto id = DevelAsyncImageLoader::LoadAnimatedImage( mLoader, animatedImageLoading, frameIndex );
1349 mLoadingInfoContainer.back().loadId = id;
1352 void TextureManager::AsyncLoadingHelper::Load( TextureId textureId,
1353 const VisualUrl& url,
1354 ImageDimensions desiredSize,
1355 FittingMode::Type fittingMode,
1356 SamplingMode::Type samplingMode,
1357 bool orientationCorrection,
1358 DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad )
1360 mLoadingInfoContainer.push_back( AsyncLoadingInfo( textureId ) );
1361 auto id = DevelAsyncImageLoader::Load( mLoader, url.GetUrl(), desiredSize, fittingMode, samplingMode, orientationCorrection, preMultiplyOnLoad );
1362 mLoadingInfoContainer.back().loadId = id;
1365 void TextureManager::AsyncLoadingHelper::ApplyMask( TextureId textureId,
1366 Devel::PixelBuffer pixelBuffer,
1367 Devel::PixelBuffer maskPixelBuffer,
1370 DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad )
1372 mLoadingInfoContainer.push_back( AsyncLoadingInfo( textureId ) );
1373 auto id = DevelAsyncImageLoader::ApplyMask( mLoader, pixelBuffer, maskPixelBuffer, contentScale, cropToMask, preMultiplyOnLoad );
1374 mLoadingInfoContainer.back().loadId = id;
1377 TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(AsyncLoadingHelper&& rhs)
1378 : AsyncLoadingHelper(rhs.mLoader, rhs.mTextureManager, std::move(rhs.mLoadingInfoContainer))
1382 TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(
1383 Toolkit::AsyncImageLoader loader,
1384 TextureManager& textureManager,
1385 AsyncLoadingInfoContainerType&& loadingInfoContainer)
1387 mTextureManager(textureManager),
1388 mLoadingInfoContainer(std::move(loadingInfoContainer))
1390 DevelAsyncImageLoader::PixelBufferLoadedSignal(mLoader).Connect(
1391 this, &AsyncLoadingHelper::AsyncLoadComplete);
1394 void TextureManager::AsyncLoadingHelper::AsyncLoadComplete(uint32_t id,
1395 Devel::PixelBuffer pixelBuffer )
1397 mTextureManager.AsyncLoadComplete( mLoadingInfoContainer, id, pixelBuffer );
1400 void TextureManager::SetBrokenImageUrl(const std::string& brokenImageUrl)
1402 mBrokenImageUrl = brokenImageUrl;
1405 const std::string TextureManager::GetBrokenImageUrl()
1407 return mBrokenImageUrl;
1410 Geometry TextureManager::GetRenderGeometry(TextureId textureId, uint32_t& frontElements, uint32_t& backElements )
1412 return RenderingAddOn::Get().IsValid() ?
1413 RenderingAddOn::Get().GetGeometry( textureId, frontElements, backElements) :
1417 } // namespace Internal
1419 } // namespace Toolkit