/*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#ifdef DEBUG_ENABLED
Debug::Filter* gTextureManagerLogFilter = Debug::Filter::New( Debug::NoLogging, false, "LOG_TEXTURE_MANAGER" );
+
+#define GET_LOAD_STATE_STRING( loadState ) \
+ loadState == TextureManager::NOT_STARTED ? "NOT_STARTED" : \
+ loadState == TextureManager::LOADING ? "LOADING" : \
+ loadState == TextureManager::LOAD_FINISHED ? "LOAD_FINISHED" : \
+ loadState == TextureManager::WAITING_FOR_MASK ? "WAITING_FOR_MASK" : \
+ loadState == TextureManager::MASK_APPLYING ? "MASK_APPLYING" : \
+ loadState == TextureManager::MASK_APPLIED ? "MASK_APPLIED" : \
+ loadState == TextureManager::UPLOADED ? "UPLOADED" : \
+ loadState == TextureManager::CANCELLED ? "CANCELLED" : \
+ loadState == TextureManager::LOAD_FAILED ? "LOAD_FAILED" : "Unknown"
+
#endif
const uint32_t DEFAULT_ATLAS_SIZE( 1024u ); ///< This size can fit 8 by 8 images of average size 128 * 128
const Vector4 FULL_ATLAS_RECT( 0.0f, 0.0f, 1.0f, 1.0f ); ///< UV Rectangle that covers the full Texture
-const char * const BROKEN_IMAGE_URL( DALI_IMAGE_DIR "broken.png" ); ///< URL For the broken image placeholder
const int INVALID_INDEX( -1 ); ///< Invalid index used to represent a non-existant TextureInfo struct
const int INVALID_CACHE_INDEX( -1 ); ///< Invalid Cache index
TextureManager::TextureManager()
: mAsyncLocalLoaders( GetNumberOfLocalLoaderThreads(), [&]() { return AsyncLoadingHelper(*this); } ),
mAsyncRemoteLoaders( GetNumberOfRemoteLoaderThreads(), [&]() { return AsyncLoadingHelper(*this); } ),
- mCurrentTextureId( 0 )
+ mExternalTextures(),
+ mLifecycleObservers(),
+ mLoadQueue(),
+ mBrokenImageUrl(""),
+ mCurrentTextureId( 0 ),
+ mQueueLoadFlag(false)
{
}
}
TextureSet TextureManager::LoadTexture(
- const VisualUrl& url, Dali::ImageDimensions desiredSize, Dali::FittingMode::Type fittingMode,
- Dali::SamplingMode::Type samplingMode, const MaskingDataPointer& maskInfo,
- bool synchronousLoading, TextureManager::TextureId& textureId, Vector4& textureRect,
- bool& atlasingStatus, bool& loadingStatus, Dali::WrapMode::Type wrapModeU,
- Dali::WrapMode::Type wrapModeV, TextureUploadObserver* textureObserver,
- AtlasUploadObserver* atlasObserver, ImageAtlasManagerPtr imageAtlasManager, bool orientationCorrection,
- TextureManager::ReloadPolicy reloadPolicy, TextureManager::MultiplyOnLoad& preMultiplyOnLoad )
+ const VisualUrl& url, Dali::ImageDimensions desiredSize, Dali::FittingMode::Type fittingMode,
+ Dali::SamplingMode::Type samplingMode, const MaskingDataPointer& maskInfo,
+ bool synchronousLoading, TextureManager::TextureId& textureId, Vector4& textureRect,
+ Dali::ImageDimensions& textureRectSize, bool& atlasingStatus, bool& loadingStatus,
+ Dali::WrapMode::Type wrapModeU, Dali::WrapMode::Type wrapModeV, TextureUploadObserver* textureObserver,
+ AtlasUploadObserver* atlasObserver, ImageAtlasManagerPtr imageAtlasManager, bool orientationCorrection,
+ TextureManager::ReloadPolicy reloadPolicy, TextureManager::MultiplyOnLoad& preMultiplyOnLoad )
{
TextureSet textureSet;
{
Devel::PixelBuffer pixelBuffer = LoadImageFromFile( url.GetUrl(), desiredSize, fittingMode, samplingMode,
orientationCorrection );
+ if( maskInfo )
+ {
+ Devel::PixelBuffer maskPixelBuffer = LoadImageFromFile( maskInfo->mAlphaMaskUrl.GetUrl(), ImageDimensions(),
+ FittingMode::SCALE_TO_FILL, SamplingMode::NO_FILTER, true );
+ if( maskPixelBuffer )
+ {
+ pixelBuffer.ApplyMask( maskPixelBuffer, maskInfo->mContentScaleFactor, maskInfo->mCropToMask );
+ }
+ }
if( pixelBuffer )
{
PreMultiply( pixelBuffer, preMultiplyOnLoad );
{
// use broken image
textureSet = TextureSet::New();
- Devel::PixelBuffer pixelBuffer = LoadImageFromFile( BROKEN_IMAGE_URL );
+ Devel::PixelBuffer pixelBuffer = LoadImageFromFile( mBrokenImageUrl );
if( pixelBuffer )
{
PreMultiply( pixelBuffer, preMultiplyOnLoad );
textureSet = TextureSet::New();
textureSet.SetTexture( 0u, texture );
}
+ else
+ {
+ textureRectSize.SetWidth(data.GetWidth());
+ textureRectSize.SetHeight(data.GetHeight());
+ }
}
}
else
loadingStatus = true;
if( atlasingStatus )
{
- textureSet = imageAtlasManager->Add( textureRect, url.GetUrl(), desiredSize, fittingMode, true, atlasObserver );
+ textureSet = imageAtlasManager->Add( textureRect, url.GetUrl(), desiredSize, fittingMode, true, atlasObserver);
}
if( !textureSet ) // big image, no atlasing or atlasing failed
{
}
else
{
+ TextureId alphaMaskId = RequestMaskLoad( maskInfo->mAlphaMaskUrl );
textureId = RequestLoad( url,
- maskInfo->mAlphaMaskId,
+ alphaMaskId,
maskInfo->mContentScaleFactor,
desiredSize,
fittingMode, samplingMode,
}
TextureManager::LoadState loadState = GetTextureStateInternal( textureId );
- loadingStatus = ( loadState == TextureManager::LOADING );
-
if( loadState == TextureManager::UPLOADED )
{
// UploadComplete has already been called - keep the same texture set
textureSet = GetTextureSet( textureId );
}
+
+ // If we are loading the texture, or waiting for the ready signal handler to complete, inform
+ // caller that they need to wait.
+ loadingStatus = ( loadState == TextureManager::LOADING ||
+ loadState == TextureManager::WAITING_FOR_MASK ||
+ loadState == TextureManager::MASK_APPLYING ||
+ loadState == TextureManager::MASK_APPLIED ||
+ loadState == TextureManager::NOT_STARTED ||
+ mQueueLoadFlag );
+
+ }
+ else
+ {
+ textureRectSize = desiredSize;
}
}
{
// First check if the requested Texture is cached.
const TextureHash textureHash = GenerateHash( url.GetUrl(), desiredSize, fittingMode, samplingMode, useAtlas,
- maskTextureId, preMultiplyOnLoad );
+ maskTextureId );
TextureManager::TextureId textureId = INVALID_TEXTURE_ID;
++( mTextureInfoContainer[ cacheIndex ].referenceCount );
}
textureId = mTextureInfoContainer[ cacheIndex ].textureId;
- DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::RequestLoad( url=%s observer=%p ) Using cached texture id@%d, textureId=%d\n",
+
+ // Update preMultiplyOnLoad value. It should be changed according to preMultiplied value of the cached info.
+ preMultiplyOnLoad = mTextureInfoContainer[ cacheIndex ].preMultiplied ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
+
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureManager::RequestLoad( url=%s observer=%p ) Using cached texture id@%d, textureId=%d\n",
url.GetUrl().c_str(), observer, cacheIndex, textureId );
}
preMultiply ) );
cacheIndex = mTextureInfoContainer.size() - 1u;
- DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::RequestLoad( url=%s observer=%p ) New texture, cacheIndex:%d, textureId=%d\n",
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureManager::RequestLoad( url=%s observer=%p ) New texture, cacheIndex:%d, textureId=%d\n",
url.GetUrl().c_str(), observer, cacheIndex, textureId );
}
textureInfo.storageType = storageType;
textureInfo.orientationCorrection = orientationCorrection;
- DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureInfo loadState:%s\n",
- textureInfo.loadState == TextureManager::NOT_STARTED ? "NOT_STARTED" :
- textureInfo.loadState == TextureManager::LOADING ? "LOADING" :
- textureInfo.loadState == TextureManager::UPLOADED ? "UPLOADED" :
- textureInfo.loadState == TextureManager::CANCELLED ? "CANCELLED" : "Unknown" );
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, "TextureInfo loadState:%s\n",
+ GET_LOAD_STATE_STRING(textureInfo.loadState ) );
// Force reloading of texture by setting loadState unless already loading or cancelled.
- if ( TextureManager::ReloadPolicy::FORCED == reloadPolicy && TextureManager::LOADING != textureInfo.loadState &&
+ if ( TextureManager::ReloadPolicy::FORCED == reloadPolicy &&
+ TextureManager::LOADING != textureInfo.loadState &&
+ TextureManager::WAITING_FOR_MASK != textureInfo.loadState &&
+ TextureManager::MASK_APPLYING != textureInfo.loadState &&
+ TextureManager::MASK_APPLIED != textureInfo.loadState &&
TextureManager::CANCELLED != textureInfo.loadState )
{
DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Verbose, "TextureManager::RequestLoad( url=%s observer=%p ) ForcedReload cacheIndex:%d, textureId=%d\n",
case TextureManager::LOAD_FAILED: // Failed notifies observer which then stops observing.
case TextureManager::NOT_STARTED:
{
- LoadTexture( textureInfo );
- ObserveTexture( textureInfo, observer );
+ LoadOrQueueTexture( textureInfo, observer ); // If called inside NotifyObservers, queues until afterwards
break;
}
case TextureManager::LOADING:
+ case TextureManager::WAITING_FOR_MASK:
+ case TextureManager::MASK_APPLYING:
+ case TextureManager::MASK_APPLIED:
{
ObserveTexture( textureInfo, observer );
break;
{
if( observer )
{
- // The Texture has already loaded. The other observers have already been notified.
- // We need to send a "late" loaded notification for this observer.
- observer->UploadComplete( true, textureInfo.textureId, textureInfo.textureSet,
- textureInfo.useAtlas, textureInfo.atlasRect,
- textureInfo.preMultiplied );
+ LoadOrQueueTexture( textureInfo, observer );
}
break;
}
break;
}
case TextureManager::LOAD_FINISHED:
- case TextureManager::WAITING_FOR_MASK:
// Loading has already completed. Do nothing.
break;
}
{
TextureInfo& textureInfo( mTextureInfoContainer[ textureInfoIndex ] );
- DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::Remove(%d) cacheIdx:%d loadState:%s\n",
- textureId, textureInfoIndex,
- textureInfo.loadState == TextureManager::NOT_STARTED ? "NOT_STARTED" :
- textureInfo.loadState == TextureManager::LOADING ? "LOADING" :
- textureInfo.loadState == TextureManager::UPLOADED ? "UPLOADED" :
- textureInfo.loadState == TextureManager::CANCELLED ? "CANCELLED" : "Unknown" );
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise,
+ "TextureManager::Remove(%d) url:%s\n cacheIdx:%d loadState:%s\n",
+ textureId, textureInfo.url.GetUrl().c_str(),
+ textureInfoIndex, GET_LOAD_STATE_STRING( textureInfo.loadState ) );
// Decrement the reference count and check if this is the last user of this Texture.
if( --textureInfo.referenceCount <= 0 )
}
}
-const VisualUrl& TextureManager::GetVisualUrl( TextureId textureId )
+VisualUrl TextureManager::GetVisualUrl( TextureId textureId )
{
+ VisualUrl visualUrl("");
int cacheIndex = GetCacheIndexFromId( textureId );
- DALI_ASSERT_DEBUG( cacheIndex != INVALID_CACHE_INDEX && "TextureId out of range");
- TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
- return cachedTextureInfo.url;
+ if( cacheIndex != INVALID_CACHE_INDEX )
+ {
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::GetVisualUrl. Using cached texture id=%d, textureId=%d\n",
+ cacheIndex, textureId );
+
+ TextureInfo& cachedTextureInfo( mTextureInfoContainer[ cacheIndex ] );
+ visualUrl = cachedTextureInfo.url;
+ }
+ return visualUrl;
}
TextureManager::LoadState TextureManager::GetTextureState( TextureId textureId )
DALI_ASSERT_DEBUG(endIter != mLifecycleObservers.End());
}
+void TextureManager::LoadOrQueueTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
+{
+ switch( textureInfo.loadState )
+ {
+ case NOT_STARTED:
+ case LOAD_FAILED:
+ {
+ if( mQueueLoadFlag )
+ {
+ QueueLoadTexture( textureInfo, observer );
+ }
+ else
+ {
+ LoadTexture( textureInfo, observer );
+ }
+ break;
+ }
+ case UPLOADED:
+ {
+ if( mQueueLoadFlag )
+ {
+ QueueLoadTexture( textureInfo, observer );
+ }
+ else
+ {
+ // The Texture has already loaded. The other observers have already been notified.
+ // We need to send a "late" loaded notification for this observer.
+ observer->UploadComplete( true, textureInfo.textureId, textureInfo.textureSet,
+ textureInfo.useAtlas, textureInfo.atlasRect,
+ textureInfo.preMultiplied );
+ }
+ break;
+ }
+ case LOADING:
+ case CANCELLED:
+ case LOAD_FINISHED:
+ case WAITING_FOR_MASK:
+ case MASK_APPLYING:
+ case MASK_APPLIED:
+ {
+ break;
+ }
+ }
+}
+
+void TextureManager::QueueLoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
+{
+ auto textureId = textureInfo.textureId;
+ mLoadQueue.PushBack( LoadQueueElement( textureId, observer) );
+}
-bool TextureManager::LoadTexture( TextureInfo& textureInfo )
+void TextureManager::LoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer )
{
- bool success = true;
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::LoadTexture(): url:%s sync:%s\n",
+ textureInfo.url.GetUrl().c_str(), textureInfo.loadSynchronously?"T":"F" );
- if( textureInfo.loadState == NOT_STARTED )
+ textureInfo.loadState = LOADING;
+ if( !textureInfo.loadSynchronously )
{
- textureInfo.loadState = LOADING;
+ auto& loadersContainer = textureInfo.url.IsLocalResource() ? mAsyncLocalLoaders : mAsyncRemoteLoaders;
+ auto loadingHelperIt = loadersContainer.GetNext();
+ auto premultiplyOnLoad = ( textureInfo.preMultiplyOnLoad && textureInfo.maskTextureId == INVALID_TEXTURE_ID ) ?
+ DevelAsyncImageLoader::PreMultiplyOnLoad::ON : DevelAsyncImageLoader::PreMultiplyOnLoad::OFF;
+ DALI_ASSERT_ALWAYS(loadingHelperIt != loadersContainer.End());
+ loadingHelperIt->Load(textureInfo.textureId, textureInfo.url,
+ textureInfo.desiredSize, textureInfo.fittingMode,
+ textureInfo.samplingMode, textureInfo.orientationCorrection,
+ premultiplyOnLoad );
+ }
+ ObserveTexture( textureInfo, observer );
+}
- if( !textureInfo.loadSynchronously )
+void TextureManager::ProcessQueuedTextures()
+{
+ for( auto&& element : mLoadQueue )
+ {
+ int cacheIndex = GetCacheIndexFromId( element.mTextureId );
+ if( cacheIndex != INVALID_CACHE_INDEX )
{
- auto& loadersContainer = textureInfo.url.IsLocalResource() ? mAsyncLocalLoaders : mAsyncRemoteLoaders;
- auto loadingHelperIt = loadersContainer.GetNext();
- DALI_ASSERT_ALWAYS(loadingHelperIt != loadersContainer.End());
- loadingHelperIt->Load(textureInfo.textureId, textureInfo.url,
- textureInfo.desiredSize, textureInfo.fittingMode,
- textureInfo.samplingMode, textureInfo.orientationCorrection );
+ TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
+ if( textureInfo.loadState == UPLOADED )
+ {
+ element.mObserver->UploadComplete( true, textureInfo.textureId, textureInfo.textureSet,
+ textureInfo.useAtlas, textureInfo.atlasRect,
+ textureInfo.preMultiplied );
+ }
+ else
+ {
+ LoadTexture( textureInfo, element.mObserver );
+ }
}
}
-
- return success;
+ mLoadQueue.Clear();
}
void TextureManager::ObserveTexture( TextureInfo& textureInfo,
TextureUploadObserver* observer )
{
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::ObserveTexture(): url:%s observer:%p\n",
+ textureInfo.url.GetUrl().c_str(), observer );
+
if( observer )
{
textureInfo.observerList.PushBack( observer );
{
TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
- DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, " CacheIndex:%d LoadState: %d\n", cacheIndex, textureInfo.loadState );
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise,
+ " textureId:%d Url:%s CacheIndex:%d LoadState: %d\n",
+ textureInfo.textureId, textureInfo.url.GetUrl().c_str(), cacheIndex, textureInfo.loadState );
if( textureInfo.loadState != CANCELLED )
{
// wait for the mask to finish loading.
if( textureInfo.maskTextureId != INVALID_TEXTURE_ID )
{
- LoadState maskLoadState = GetTextureStateInternal( textureInfo.maskTextureId );
- if( maskLoadState == LOADING )
+ if( textureInfo.loadState == MASK_APPLYING )
{
- textureInfo.pixelBuffer = pixelBuffer; // Store the pixel buffer temporarily
- textureInfo.loadState = WAITING_FOR_MASK;
- }
- else if( maskLoadState == LOAD_FINISHED )
- {
- ApplyMask( pixelBuffer, textureInfo.maskTextureId, textureInfo.scaleFactor, textureInfo.cropToMask );
+ textureInfo.loadState = MASK_APPLIED;
UploadTexture( pixelBuffer, textureInfo );
NotifyObservers( textureInfo, true );
}
+ else
+ {
+ LoadState maskLoadState = GetTextureStateInternal( textureInfo.maskTextureId );
+ textureInfo.pixelBuffer = pixelBuffer; // Store the pixel buffer temporarily
+ if( maskLoadState == LOADING )
+ {
+ textureInfo.loadState = WAITING_FOR_MASK;
+ }
+ else if( maskLoadState == LOAD_FINISHED )
+ {
+ // Send New Task to Thread
+ ApplyMask( textureInfo, textureInfo.maskTextureId );
+ }
+ }
}
else
{
}
else
{
- DALI_LOG_ERROR( "TextureManager::AsyncImageLoad(%s) failed\n", textureInfo.url.GetUrl().c_str() );
// @todo If the load was unsuccessful, upload the broken image.
textureInfo.loadState = LOAD_FAILED;
CheckForWaitingTexture( textureInfo );
mTextureInfoContainer[cacheIndex].loadState == WAITING_FOR_MASK )
{
TextureInfo& textureInfo( mTextureInfoContainer[cacheIndex] );
- Devel::PixelBuffer pixelBuffer = textureInfo.pixelBuffer;
- textureInfo.pixelBuffer.Reset();
if( maskTextureInfo.loadState == LOAD_FINISHED )
{
- ApplyMask( pixelBuffer, maskTextureInfo.textureId, textureInfo.scaleFactor, textureInfo.cropToMask );
- UploadTexture( pixelBuffer, textureInfo );
- NotifyObservers( textureInfo, true );
+ // Send New Task to Thread
+ ApplyMask( textureInfo, maskTextureInfo.textureId );
}
else
{
- DALI_LOG_ERROR( "TextureManager::ApplyMask to %s failed\n", textureInfo.url.GetUrl().c_str() );
+ textureInfo.pixelBuffer.Reset();
textureInfo.loadState = LOAD_FAILED;
NotifyObservers( textureInfo, false );
}
}
}
-void TextureManager::ApplyMask(
- Devel::PixelBuffer& pixelBuffer, TextureId maskTextureId,
- float contentScale, bool cropToMask )
+void TextureManager::ApplyMask( TextureInfo& textureInfo, TextureId maskTextureId )
{
int maskCacheIndex = GetCacheIndexFromId( maskTextureId );
- Devel::PixelBuffer maskPixelBuffer = mTextureInfoContainer[maskCacheIndex].pixelBuffer;
- pixelBuffer.ApplyMask( maskPixelBuffer, contentScale, cropToMask );
+ if( maskCacheIndex != INVALID_CACHE_INDEX )
+ {
+ Devel::PixelBuffer maskPixelBuffer = mTextureInfoContainer[maskCacheIndex].pixelBuffer;
+ Devel::PixelBuffer pixelBuffer = textureInfo.pixelBuffer;
+ textureInfo.pixelBuffer.Reset();
+
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "TextureManager::ApplyMask(): url:%s sync:%s\n",
+ textureInfo.url.GetUrl().c_str(), textureInfo.loadSynchronously?"T":"F" );
+
+ textureInfo.loadState = MASK_APPLYING;
+ auto& loadersContainer = textureInfo.url.IsLocalResource() ? mAsyncLocalLoaders : mAsyncRemoteLoaders;
+ auto loadingHelperIt = loadersContainer.GetNext();
+ auto premultiplyOnLoad = textureInfo.preMultiplyOnLoad ? DevelAsyncImageLoader::PreMultiplyOnLoad::ON : DevelAsyncImageLoader::PreMultiplyOnLoad::OFF;
+ DALI_ASSERT_ALWAYS(loadingHelperIt != loadersContainer.End());
+ loadingHelperIt->ApplyMask( textureInfo.textureId, pixelBuffer, maskPixelBuffer, textureInfo.scaleFactor, textureInfo.cropToMask, premultiplyOnLoad );
+ }
}
-
void TextureManager::UploadTexture( Devel::PixelBuffer& pixelBuffer, TextureInfo& textureInfo )
{
if( textureInfo.useAtlas != USE_ATLAS )
{
- DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, " TextureManager::UploadTexture() New Texture for textureId:%d\n", textureInfo.textureId );
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::General, " TextureManager::UploadTexture() New Texture for textureId:%d\n", textureInfo.textureId );
- // If the texture doesn't have an alpha channel, can't pre-multiply it.
- // Ensure that we don't change the load parameter (it's used for hashing), and instead set
- // the status for use in the observer.
- auto preMultiply = textureInfo.preMultiplyOnLoad ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD :
- TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
- PreMultiply( pixelBuffer, preMultiply );
- textureInfo.preMultiplied = (preMultiply == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD );
+ // Check if this pixelBuffer is premultiplied
+ textureInfo.preMultiplied = pixelBuffer.IsAlphaPreMultiplied();
Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, pixelBuffer.GetPixelFormat(),
pixelBuffer.GetWidth(), pixelBuffer.GetHeight() );
// If there is an observer: Notify the load is complete, whether successful or not,
// and erase it from the list
- unsigned int observerCount = textureInfo.observerList.Count();
TextureInfo* info = &textureInfo;
- while( observerCount )
+ mQueueLoadFlag = true;
+
+ while( info->observerList.Count() )
{
TextureUploadObserver* observer = info->observerList[0];
// During UploadComplete() a Control ResourceReady() signal is emitted.
// During that signal the app may add remove /add Textures (e.g. via
- // ImageViews). At this point no more observers can be added to the
- // observerList, because textureInfo.loadState = UPLOADED. However it is
- // possible for observers to be removed, hence we check the observer list
- // count every iteration.
-
- // The reference to the textureInfo struct can also become invalidated,
- // because new load requests can modify the mTextureInfoContainer list
- // (e.g. if more requests are pushed back it can cause the list to be
- // resized invalidating the reference to the TextureInfo ).
+ // ImageViews).
+ // It is possible for observers to be removed from the observer list,
+ // and it is also possible for the mTextureInfoContainer to be modified,
+ // invalidating the reference to the textureInfo struct.
+ // Texture load requests for the same URL are deferred until the end of this
+ // method.
+ DALI_LOG_INFO( gTextureManagerLogFilter, Debug::Concise, "NotifyObservers() url:%s loadState:%s\n",
+ textureInfo.url.GetUrl().c_str(), GET_LOAD_STATE_STRING(textureInfo.loadState ) );
+
observer->UploadComplete( success, info->textureId, info->textureSet, info->useAtlas, info->atlasRect,
info->preMultiplied );
observer->DestructionSignal().Disconnect( this, &TextureManager::ObserverDestroyed );
- // Get the textureInfo from the container again as it may have been
- // invalidated,
-
+ // Get the textureInfo from the container again as it may have been invalidated.
int textureInfoIndex = GetCacheIndexFromId( textureId );
if( textureInfoIndex == INVALID_CACHE_INDEX)
{
- return; // texture has been removed - can stop.
+ break; // texture has been removed - can stop.
}
-
info = &mTextureInfoContainer[ textureInfoIndex ];
- observerCount = info->observerList.Count();
- if ( observerCount > 0 )
+
+ // remove the observer that was just triggered if it's still in the list
+ for( TextureInfo::ObserverListType::Iterator j = info->observerList.Begin(); j != info->observerList.End(); ++j )
{
- // remove the observer that was just triggered if it's still in the list
- for( TextureInfo::ObserverListType::Iterator j = info->observerList.Begin(); j != info->observerList.End(); ++j )
+ if( *j == observer )
{
- if( *j == observer )
- {
- info->observerList.Erase( j );
- observerCount--;
- break;
- }
+ info->observerList.Erase( j );
+ break;
}
}
}
+
+ mQueueLoadFlag = false;
+ ProcessQueuedTextures();
}
TextureManager::TextureId TextureManager::GenerateUniqueTextureId()
const FittingMode::Type fittingMode,
const Dali::SamplingMode::Type samplingMode,
const UseAtlas useAtlas,
- TextureId maskTextureId,
- TextureManager::MultiplyOnLoad preMultiplyOnLoad)
+ TextureId maskTextureId )
{
std::string hashTarget( url );
const size_t urlLength = hashTarget.length();
{
// We are not including sizing information, but we still need an extra byte for atlasing.
hashTarget.resize( urlLength + 1u );
+
// Add the atlasing to the hash input.
- hashTarget[ urlLength ] = useAtlas;
+ switch( useAtlas )
+ {
+ case UseAtlas::NO_ATLAS:
+ {
+ hashTarget[ urlLength ] = 'f';
+ break;
+ }
+ case UseAtlas::USE_ATLAS:
+ {
+ hashTarget[ urlLength ] = 't';
+ break;
+ }
+ }
}
if( maskTextureId != INVALID_TEXTURE_ID )
}
}
- auto premultipliedIndex = hashTarget.length();
- hashTarget.resize( premultipliedIndex + 1 );
- switch( preMultiplyOnLoad )
- {
- case TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD:
- {
- hashTarget[ premultipliedIndex ] = 't';
- break;
- }
- case TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY:
- {
- hashTarget[ premultipliedIndex ] = 'f';
- break;
- }
- }
-
return Dali::CalculateHash( hashTarget );
}
{
// We have a match, now we check all the original parameters in case of a hash collision.
TextureInfo& textureInfo( mTextureInfoContainer[i] );
- auto multiplyOnLoad = textureInfo.preMultiplyOnLoad ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD :
- TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
if( ( url == textureInfo.url.GetUrl() ) &&
( useAtlas == textureInfo.useAtlas ) &&
( maskTextureId == textureInfo.maskTextureId ) &&
( size == textureInfo.desiredSize ) &&
- ( preMultiplyOnLoad == multiplyOnLoad ) &&
( ( size.GetWidth() == 0 && size.GetHeight() == 0 ) ||
( fittingMode == textureInfo.fittingMode &&
samplingMode == textureInfo.samplingMode ) ) )
{
- // The found Texture is a match.
- cacheIndex = i;
- break;
+ // 1. If preMultiplyOnLoad is MULTIPLY_ON_LOAD, then textureInfo.preMultiplyOnLoad should be true. The premultiplication result can be different.
+ // 2. If preMultiplyOnLoad is LOAD_WITHOUT_MULTIPLY, then textureInfo.preMultiplied should be false.
+ if( ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD && textureInfo.preMultiplyOnLoad )
+ || ( preMultiplyOnLoad == TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY && !textureInfo.preMultiplied ) )
+ {
+ // The found Texture is a match.
+ cacheIndex = i;
+ break;
+ }
}
}
}
ImageDimensions desiredSize,
FittingMode::Type fittingMode,
SamplingMode::Type samplingMode,
- bool orientationCorrection)
+ bool orientationCorrection,
+ DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad)
{
mLoadingInfoContainer.push_back(AsyncLoadingInfo(textureId));
- auto id = mLoader.Load(url.GetUrl(), desiredSize, fittingMode, samplingMode, orientationCorrection);
+ auto id = DevelAsyncImageLoader::Load( mLoader, url.GetUrl(), desiredSize, fittingMode, samplingMode, orientationCorrection, preMultiplyOnLoad );
+ mLoadingInfoContainer.back().loadId = id;
+}
+
+void TextureManager::AsyncLoadingHelper::ApplyMask( TextureId textureId,
+ Devel::PixelBuffer pixelBuffer,
+ Devel::PixelBuffer maskPixelBuffer,
+ float contentScale,
+ bool cropToMask,
+ DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad )
+{
+ mLoadingInfoContainer.push_back(AsyncLoadingInfo(textureId));
+ auto id = DevelAsyncImageLoader::ApplyMask( mLoader, pixelBuffer, maskPixelBuffer, contentScale, cropToMask, preMultiplyOnLoad );
mLoadingInfoContainer.back().loadId = id;
}
}
void TextureManager::AsyncLoadingHelper::AsyncLoadComplete(uint32_t id,
- Devel::PixelBuffer pixelBuffer)
+ Devel::PixelBuffer pixelBuffer )
+{
+ mTextureManager.AsyncLoadComplete( mLoadingInfoContainer, id, pixelBuffer );
+}
+
+void TextureManager::SetBrokenImageUrl(const std::string& brokenImageUrl)
{
- mTextureManager.AsyncLoadComplete(mLoadingInfoContainer, id, pixelBuffer);
+ mBrokenImageUrl = brokenImageUrl;
}
} // namespace Internal