-/*
- * Copyright (c) 2021 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// CLASS HEADER
-#include <dali-toolkit/internal/visuals/texture-manager-impl.h>
-
-// EXTERNAL HEADERS
-#include <dali/devel-api/adaptor-framework/environment-variable.h>
-#include <dali/devel-api/adaptor-framework/image-loading.h>
-#include <dali/devel-api/adaptor-framework/pixel-buffer.h>
-#include <dali/devel-api/common/hash.h>
-#include <dali/integration-api/debug.h>
-#include <dali/public-api/math/vector4.h>
-#include <dali/public-api/rendering/geometry.h>
-#include <cstdlib>
-#include <string>
-
-// INTERNAL HEADERS
-#include <dali-toolkit/internal/image-loader/async-image-loader-impl.h>
-#include <dali-toolkit/internal/image-loader/image-atlas-impl.h>
-#include <dali-toolkit/internal/visuals/image-atlas-manager.h>
-#include <dali-toolkit/internal/visuals/rendering-addon.h>
-#include <dali-toolkit/public-api/image-loader/sync-image-loader.h>
-
-namespace
-{
-constexpr auto INITIAL_CACHE_NUMBER = size_t{0u};
-constexpr auto DEFAULT_NUMBER_OF_LOCAL_LOADER_THREADS = size_t{4u};
-constexpr auto DEFAULT_NUMBER_OF_REMOTE_LOADER_THREADS = size_t{8u};
-
-constexpr auto NUMBER_OF_LOCAL_LOADER_THREADS_ENV = "DALI_TEXTURE_LOCAL_THREADS";
-constexpr auto NUMBER_OF_REMOTE_LOADER_THREADS_ENV = "DALI_TEXTURE_REMOTE_THREADS";
-
-size_t GetNumberOfThreads(const char* environmentVariable, size_t defaultValue)
-{
- using Dali::EnvironmentVariable::GetEnvironmentVariable;
- auto numberString = GetEnvironmentVariable(environmentVariable);
- auto numberOfThreads = numberString ? std::strtoul(numberString, nullptr, 10) : 0;
- constexpr auto MAX_NUMBER_OF_THREADS = 100u;
- DALI_ASSERT_DEBUG(numberOfThreads < MAX_NUMBER_OF_THREADS);
- return (numberOfThreads > 0 && numberOfThreads < MAX_NUMBER_OF_THREADS) ? numberOfThreads : defaultValue;
-}
-
-size_t GetNumberOfLocalLoaderThreads()
-{
- return GetNumberOfThreads(NUMBER_OF_LOCAL_LOADER_THREADS_ENV, DEFAULT_NUMBER_OF_LOCAL_LOADER_THREADS);
-}
-
-size_t GetNumberOfRemoteLoaderThreads()
-{
- return GetNumberOfThreads(NUMBER_OF_REMOTE_LOADER_THREADS_ENV, DEFAULT_NUMBER_OF_REMOTE_LOADER_THREADS);
-}
-
-} // namespace
-
-namespace Dali
-{
-namespace Toolkit
-{
-namespace Internal
-{
-namespace
-{
-#ifdef DEBUG_ENABLED
-Debug::Filter* gTextureManagerLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_TEXTURE_MANAGER");
-
-#define GET_LOAD_STATE_STRING(loadState) \
- loadState == TextureManager::LoadState::NOT_STARTED ? "NOT_STARTED" : loadState == TextureManager::LoadState::LOADING ? "LOADING" \
- : loadState == TextureManager::LoadState::LOAD_FINISHED ? "LOAD_FINISHED" \
- : loadState == TextureManager::LoadState::WAITING_FOR_MASK ? "WAITING_FOR_MASK" \
- : loadState == TextureManager::LoadState::MASK_APPLYING ? "MASK_APPLYING" \
- : loadState == TextureManager::LoadState::MASK_APPLIED ? "MASK_APPLIED" \
- : loadState == TextureManager::LoadState::UPLOADED ? "UPLOADED" \
- : loadState == TextureManager::LoadState::CANCELLED ? "CANCELLED" \
- : loadState == TextureManager::LoadState::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 int INVALID_INDEX(-1); ///< Invalid index used to represent a non-existant TextureInfo struct
-const int INVALID_CACHE_INDEX(-1); ///< Invalid Cache index
-
-void PreMultiply(Devel::PixelBuffer pixelBuffer, TextureManager::MultiplyOnLoad& preMultiplyOnLoad)
-{
- if(Pixel::HasAlpha(pixelBuffer.GetPixelFormat()))
- {
- if(preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD)
- {
- pixelBuffer.MultiplyColorByAlpha();
- }
- }
- else
- {
- preMultiplyOnLoad = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
- }
-}
-
-} // Anonymous namespace
-
-TextureManager::MaskingData::MaskingData()
-: mAlphaMaskUrl(),
- mAlphaMaskId(INVALID_TEXTURE_ID),
- mContentScaleFactor(1.0f),
- mCropToMask(true)
-{
-}
-
-TextureManager::TextureManager()
-: mAsyncLocalLoaders(GetNumberOfLocalLoaderThreads(), [&]()
- { return AsyncLoadingHelper(*this); }),
- mAsyncRemoteLoaders(GetNumberOfRemoteLoaderThreads(), [&]()
- { return AsyncLoadingHelper(*this); }),
- mExternalTextures(),
- mLifecycleObservers(),
- mLoadQueue(),
- mCurrentTextureId(0),
- mQueueLoadFlag(false)
-{
- // Initialize the AddOn
- RenderingAddOn::Get();
-}
-
-TextureManager::~TextureManager()
-{
- for(auto iter = mLifecycleObservers.Begin(), endIter = mLifecycleObservers.End(); iter != endIter; ++iter)
- {
- (*iter)->TextureManagerDestroyed();
- }
-}
-
-TextureSet TextureManager::LoadAnimatedImageTexture(
- Dali::AnimatedImageLoading animatedImageLoading, uint32_t frameIndex, Dali::SamplingMode::Type samplingMode, bool synchronousLoading, TextureManager::TextureId& textureId, Dali::WrapMode::Type wrapModeU, Dali::WrapMode::Type wrapModeV, TextureUploadObserver* textureObserver)
-{
- TextureSet textureSet;
-
- if(synchronousLoading)
- {
- Devel::PixelBuffer pixelBuffer;
- if(animatedImageLoading)
- {
- pixelBuffer = animatedImageLoading.LoadFrame(frameIndex);
- }
- if(!pixelBuffer)
- {
- DALI_LOG_ERROR("TextureManager::LoadAnimatedImageTexture: Synchronous loading is failed\n");
- }
- else
- {
- PixelData pixelData = Devel::PixelBuffer::Convert(pixelBuffer); // takes ownership of buffer
- if(!textureSet)
- {
- Texture texture = Texture::New(Dali::TextureType::TEXTURE_2D, pixelData.GetPixelFormat(), pixelData.GetWidth(), pixelData.GetHeight());
- texture.Upload(pixelData);
- textureSet = TextureSet::New();
- textureSet.SetTexture(0u, texture);
- }
- }
- }
- else
- {
- auto preMultiply = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
- textureId = RequestLoadInternal(animatedImageLoading.GetUrl(), INVALID_TEXTURE_ID, 1.0f, ImageDimensions(), FittingMode::SCALE_TO_FILL, SamplingMode::BOX_THEN_LINEAR, TextureManager::NO_ATLAS, false, StorageType::UPLOAD_TO_TEXTURE, textureObserver, true, TextureManager::ReloadPolicy::CACHED, preMultiply, animatedImageLoading, frameIndex, false);
- TextureManager::LoadState loadState = GetTextureStateInternal(textureId);
- if(loadState == TextureManager::LoadState::UPLOADED)
- {
- // LoadComplete has already been called - keep the same texture set
- textureSet = GetTextureSet(textureId);
- }
- }
-
- if(textureSet)
- {
- Sampler sampler = Sampler::New();
- sampler.SetWrapMode(wrapModeU, wrapModeV);
- textureSet.SetSampler(0u, sampler);
- }
-
- return textureSet;
-}
-
-Devel::PixelBuffer TextureManager::LoadPixelBuffer(
- const VisualUrl& url, Dali::ImageDimensions desiredSize, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode, bool synchronousLoading, TextureUploadObserver* textureObserver, bool orientationCorrection, TextureManager::MultiplyOnLoad& preMultiplyOnLoad)
-{
- Devel::PixelBuffer pixelBuffer;
- if(synchronousLoading)
- {
- if(url.IsValid())
- {
- if(url.IsBufferResource())
- {
- const EncodedImageBuffer& encodedImageBuffer = GetEncodedImageBuffer(url.GetUrl());
- if(encodedImageBuffer)
- {
- pixelBuffer = LoadImageFromBuffer(encodedImageBuffer.GetRawBuffer(), desiredSize, fittingMode, samplingMode, orientationCorrection);
- }
- }
- else
- {
- pixelBuffer = LoadImageFromFile(url.GetUrl(), desiredSize, fittingMode, samplingMode, orientationCorrection);
- }
- if(pixelBuffer && preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD)
- {
- PreMultiply(pixelBuffer, preMultiplyOnLoad);
- }
- }
- }
- else
- {
- RequestLoadInternal(url, INVALID_TEXTURE_ID, 1.0f, desiredSize, fittingMode, samplingMode, TextureManager::NO_ATLAS, false, StorageType::RETURN_PIXEL_BUFFER, textureObserver, orientationCorrection, TextureManager::ReloadPolicy::FORCED, preMultiplyOnLoad, Dali::AnimatedImageLoading(), 0u, false);
- }
-
- return pixelBuffer;
-}
-
-TextureSet TextureManager::LoadTexture(
- const VisualUrl& url, Dali::ImageDimensions desiredSize, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode, 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;
-
- loadingStatus = false;
- textureRect = FULL_ATLAS_RECT;
-
- if(VisualUrl::TEXTURE == url.GetProtocolType())
- {
- std::string location = url.GetLocation();
- if(location.size() > 0u)
- {
- TextureId id = std::stoi(location);
- for(auto&& elem : mExternalTextures)
- {
- if(elem.textureId == id)
- {
- preMultiplyOnLoad = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
- textureId = elem.textureId;
- return elem.textureSet;
- }
- }
- }
- }
- else
- {
- // For Atlas
- if(synchronousLoading && atlasingStatus && imageAtlasManager->CheckAtlasAvailable(url, desiredSize))
- {
- Devel::PixelBuffer pixelBuffer = LoadImageSynchronously(url, desiredSize, fittingMode, samplingMode, orientationCorrection);
-
- if(maskInfo && maskInfo->mAlphaMaskUrl.IsValid())
- {
- Devel::PixelBuffer maskPixelBuffer = LoadImageSynchronously(maskInfo->mAlphaMaskUrl.GetUrl(), ImageDimensions(), FittingMode::SCALE_TO_FILL, SamplingMode::NO_FILTER, true);
- if(maskPixelBuffer)
- {
- pixelBuffer.ApplyMask(maskPixelBuffer, maskInfo->mContentScaleFactor, maskInfo->mCropToMask);
- }
- }
-
- PixelData data;
- if(pixelBuffer)
- {
- PreMultiply(pixelBuffer, preMultiplyOnLoad);
- data = Devel::PixelBuffer::Convert(pixelBuffer); // takes ownership of buffer
-
- if(data)
- {
- textureSet = imageAtlasManager->Add(textureRect, data);
- if(textureSet)
- {
- textureRectSize.SetWidth(data.GetWidth());
- textureRectSize.SetHeight(data.GetHeight());
- }
- }
- else
- {
- DALI_LOG_ERROR("TextureManager::LoadTexture: Synchronous Texture loading with atlasing is failed.\n");
- }
- }
- if(!textureSet)
- {
- atlasingStatus = false;
- }
- }
-
- if(!textureSet)
- {
- loadingStatus = true;
- if(atlasingStatus)
- {
- textureSet = imageAtlasManager->Add(textureRect, url.GetUrl(), desiredSize, fittingMode, true, atlasObserver);
- }
- if(!textureSet) // big image, no atlasing or atlasing failed
- {
- atlasingStatus = false;
- if(!maskInfo || !maskInfo->mAlphaMaskUrl.IsValid())
- {
- textureId = RequestLoad(url, desiredSize, fittingMode, samplingMode, TextureManager::NO_ATLAS, textureObserver, orientationCorrection, reloadPolicy, preMultiplyOnLoad, synchronousLoading);
- }
- else
- {
- maskInfo->mAlphaMaskId = RequestMaskLoad(maskInfo->mAlphaMaskUrl, synchronousLoading);
- textureId = RequestLoad(url,
- maskInfo->mAlphaMaskId,
- maskInfo->mContentScaleFactor,
- desiredSize,
- fittingMode,
- samplingMode,
- TextureManager::NO_ATLAS,
- maskInfo->mCropToMask,
- textureObserver,
- orientationCorrection,
- reloadPolicy,
- preMultiplyOnLoad,
- synchronousLoading);
- }
-
- TextureManager::LoadState loadState = GetTextureStateInternal(textureId);
- if(loadState == TextureManager::LoadState::UPLOADED)
- {
- // LoadComplete 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::LoadState::LOADING ||
- loadState == TextureManager::LoadState::WAITING_FOR_MASK ||
- loadState == TextureManager::LoadState::MASK_APPLYING ||
- loadState == TextureManager::LoadState::MASK_APPLIED ||
- loadState == TextureManager::LoadState::NOT_STARTED ||
- mQueueLoadFlag);
- }
- else
- {
- textureRectSize = desiredSize;
- }
- }
- }
-
- if(!atlasingStatus && textureSet)
- {
- Sampler sampler = Sampler::New();
- sampler.SetWrapMode(wrapModeU, wrapModeV);
- textureSet.SetSampler(0u, sampler);
- }
-
- if(synchronousLoading)
- {
- loadingStatus = false;
- }
-
- return textureSet;
-}
-
-TextureManager::TextureId TextureManager::RequestLoad(
- const VisualUrl& url,
- const ImageDimensions desiredSize,
- FittingMode::Type fittingMode,
- Dali::SamplingMode::Type samplingMode,
- const UseAtlas useAtlas,
- TextureUploadObserver* observer,
- bool orientationCorrection,
- TextureManager::ReloadPolicy reloadPolicy,
- TextureManager::MultiplyOnLoad& preMultiplyOnLoad,
- bool synchronousLoading)
-{
- return RequestLoadInternal(url, INVALID_TEXTURE_ID, 1.0f, desiredSize, fittingMode, samplingMode, useAtlas, false, StorageType::UPLOAD_TO_TEXTURE, observer, orientationCorrection, reloadPolicy, preMultiplyOnLoad, Dali::AnimatedImageLoading(), 0u, synchronousLoading);
-}
-
-TextureManager::TextureId TextureManager::RequestLoad(
- const VisualUrl& url,
- TextureId maskTextureId,
- float contentScale,
- const ImageDimensions desiredSize,
- FittingMode::Type fittingMode,
- Dali::SamplingMode::Type samplingMode,
- const UseAtlas useAtlas,
- bool cropToMask,
- TextureUploadObserver* observer,
- bool orientationCorrection,
- TextureManager::ReloadPolicy reloadPolicy,
- TextureManager::MultiplyOnLoad& preMultiplyOnLoad,
- bool synchronousLoading)
-{
- return RequestLoadInternal(url, maskTextureId, contentScale, desiredSize, fittingMode, samplingMode, useAtlas, cropToMask, StorageType::UPLOAD_TO_TEXTURE, observer, orientationCorrection, reloadPolicy, preMultiplyOnLoad, Dali::AnimatedImageLoading(), 0u, synchronousLoading);
-}
-
-TextureManager::TextureId TextureManager::RequestMaskLoad(const VisualUrl& maskUrl, bool synchronousLoading)
-{
- // Use the normal load procedure to get the alpha mask.
- auto preMultiply = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
- return RequestLoadInternal(maskUrl, INVALID_TEXTURE_ID, 1.0f, ImageDimensions(), FittingMode::SCALE_TO_FILL, SamplingMode::NO_FILTER, NO_ATLAS, false, StorageType::KEEP_PIXEL_BUFFER, NULL, true, TextureManager::ReloadPolicy::CACHED, preMultiply, Dali::AnimatedImageLoading(), 0u, synchronousLoading);
-}
-
-TextureManager::TextureId TextureManager::RequestLoadInternal(
- const VisualUrl& url,
- TextureId maskTextureId,
- float contentScale,
- const ImageDimensions desiredSize,
- FittingMode::Type fittingMode,
- Dali::SamplingMode::Type samplingMode,
- UseAtlas useAtlas,
- bool cropToMask,
- StorageType storageType,
- TextureUploadObserver* observer,
- bool orientationCorrection,
- TextureManager::ReloadPolicy reloadPolicy,
- TextureManager::MultiplyOnLoad& preMultiplyOnLoad,
- Dali::AnimatedImageLoading animatedImageLoading,
- uint32_t frameIndex,
- bool synchronousLoading)
-{
- // First check if the requested Texture is cached.
- bool isAnimatedImage = (animatedImageLoading) ? true : false;
-
- TextureHash textureHash = INITIAL_CACHE_NUMBER;
- int cacheIndex = INVALID_CACHE_INDEX;
- if(storageType != StorageType::RETURN_PIXEL_BUFFER && !isAnimatedImage)
- {
- textureHash = GenerateHash(url.GetUrl(), desiredSize, fittingMode, samplingMode, useAtlas, maskTextureId);
-
- // Look up the texture by hash. Note: The extra parameters are used in case of a hash collision.
- cacheIndex = FindCachedTexture(textureHash, url.GetUrl(), desiredSize, fittingMode, samplingMode, useAtlas, maskTextureId, preMultiplyOnLoad);
- }
-
- TextureManager::TextureId textureId = INVALID_TEXTURE_ID;
- // Check if the requested Texture exists in the cache.
- if(cacheIndex != INVALID_CACHE_INDEX)
- {
- if(TextureManager::ReloadPolicy::CACHED == reloadPolicy)
- {
- // Mark this texture being used by another client resource. Forced reload would replace the current texture
- // without the need for incrementing the reference count.
- ++(mTextureInfoContainer[cacheIndex].referenceCount);
- }
- textureId = mTextureInfoContainer[cacheIndex].textureId;
-
- // 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);
- }
-
- if(textureId == INVALID_TEXTURE_ID) // There was no caching, or caching not required
- {
- if(VisualUrl::BUFFER == url.GetProtocolType())
- {
- std::string location = url.GetLocation();
- if(location.size() > 0u)
- {
- TextureId targetId = std::stoi(location);
- const EncodedImageBuffer& encodedImageBuffer = GetEncodedImageBuffer(targetId);
- if(encodedImageBuffer)
- {
- textureId = targetId;
-
- // Increase EncodedImageBuffer reference during it contains mTextureInfoContainer.
- UseExternalResource(url.GetUrl());
- }
- }
- }
-
- if(textureId == INVALID_TEXTURE_ID)
- {
- textureId = GenerateUniqueTextureId();
- }
-
- bool preMultiply = (preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD);
- mTextureInfoContainer.push_back(TextureInfo(textureId, maskTextureId, url, desiredSize, contentScale, fittingMode, samplingMode, false, cropToMask, useAtlas, textureHash, orientationCorrection, preMultiply, animatedImageLoading, frameIndex));
- cacheIndex = mTextureInfoContainer.size() - 1u;
-
- 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);
- }
-
- // The below code path is common whether we are using the cache or not.
- // The textureInfoIndex now refers to either a pre-existing cached TextureInfo,
- // or a new TextureInfo just created.
- TextureInfo& textureInfo(mTextureInfoContainer[cacheIndex]);
- textureInfo.maskTextureId = maskTextureId;
- textureInfo.storageType = storageType;
- textureInfo.orientationCorrection = orientationCorrection;
-
- 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::LoadState::LOADING != textureInfo.loadState &&
- TextureManager::LoadState::WAITING_FOR_MASK != textureInfo.loadState &&
- TextureManager::LoadState::MASK_APPLYING != textureInfo.loadState &&
- TextureManager::LoadState::MASK_APPLIED != textureInfo.loadState &&
- TextureManager::LoadState::CANCELLED != textureInfo.loadState)
- {
- DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Verbose, "TextureManager::RequestLoad( url=%s observer=%p ) ForcedReload cacheIndex:%d, textureId=%d\n", url.GetUrl().c_str(), observer, cacheIndex, textureId);
-
- textureInfo.loadState = TextureManager::LoadState::NOT_STARTED;
- }
-
- if(!synchronousLoading)
- {
- // Check if we should add the observer.
- // Only do this if we have not loaded yet and it will not have loaded by the end of this method.
- switch(textureInfo.loadState)
- {
- case TextureManager::LoadState::LOAD_FAILED: // Failed notifies observer which then stops observing.
- case TextureManager::LoadState::NOT_STARTED:
- {
- LoadOrQueueTexture(textureInfo, observer); // If called inside NotifyObservers, queues until afterwards
- break;
- }
- case TextureManager::LoadState::LOADING:
- case TextureManager::LoadState::WAITING_FOR_MASK:
- case TextureManager::LoadState::MASK_APPLYING:
- case TextureManager::LoadState::MASK_APPLIED:
- {
- ObserveTexture(textureInfo, observer);
- break;
- }
- case TextureManager::LoadState::UPLOADED:
- {
- if(observer)
- {
- LoadOrQueueTexture(textureInfo, observer);
- }
- break;
- }
- case TextureManager::LoadState::CANCELLED:
- {
- // A cancelled texture hasn't finished loading yet. Treat as a loading texture
- // (it's ref count has already been incremented, above)
- textureInfo.loadState = TextureManager::LoadState::LOADING;
- ObserveTexture(textureInfo, observer);
- break;
- }
- case TextureManager::LoadState::LOAD_FINISHED:
- {
- // Loading has already completed.
- if(observer && textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER)
- {
- LoadOrQueueTexture(textureInfo, observer);
- }
- break;
- }
- }
- }
- else
- {
- // If the image is already finished to load, use cached texture.
- // We don't need to consider Observer becaouse this is synchronous loading.
- if(textureInfo.loadState == TextureManager::LoadState::UPLOADED ||
- textureInfo.loadState == TextureManager::LoadState::LOAD_FINISHED)
- {
- return textureId;
- }
- else
- {
- Devel::PixelBuffer pixelBuffer = LoadImageSynchronously(url, desiredSize, fittingMode, samplingMode, orientationCorrection);;
-
- if(!pixelBuffer)
- {
- // If pixelBuffer loading is failed in synchronously, call Remove() method.
- Remove(textureId, nullptr);
- return INVALID_TEXTURE_ID;
- }
-
- if(storageType == StorageType::KEEP_PIXEL_BUFFER) // For the mask image loading.
- {
- textureInfo.pixelBuffer = pixelBuffer; // Store the pixel data
- textureInfo.loadState = LoadState::LOAD_FINISHED;
- }
- else // For the image loading.
- {
- if(maskTextureId != INVALID_TEXTURE_ID)
- {
- int maskCacheIndex = GetCacheIndexFromId(maskTextureId);
- if(maskCacheIndex != INVALID_CACHE_INDEX)
- {
- Devel::PixelBuffer maskPixelBuffer = mTextureInfoContainer[maskCacheIndex].pixelBuffer;
- if(maskPixelBuffer)
- {
- pixelBuffer.ApplyMask(maskPixelBuffer, contentScale, cropToMask);
- }
- }
- else
- {
- DALI_LOG_ERROR("Mask image is not stored in cache.\n");
- }
- }
- PreMultiply(pixelBuffer, preMultiplyOnLoad);
-
- // Upload texture
- UploadTexture(pixelBuffer, textureInfo);
- }
- }
- }
-
- // Return the TextureId for which this Texture can now be referenced by externally.
- return textureId;
-}
-
-void TextureManager::Remove(const TextureManager::TextureId textureId, TextureUploadObserver* observer)
-{
- int textureInfoIndex = GetCacheIndexFromId(textureId);
-
- if(textureInfoIndex != INVALID_INDEX)
- {
- TextureInfo& textureInfo(mTextureInfoContainer[textureInfoIndex]);
-
- DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureManager::Remove(%d) url:%s\n cacheIdx:%d loadState:%s reference count = %d\n", textureId, textureInfo.url.GetUrl().c_str(), textureInfoIndex, GET_LOAD_STATE_STRING(textureInfo.loadState), textureInfo.referenceCount);
-
- // Decrement the reference count and check if this is the last user of this Texture.
- if(--textureInfo.referenceCount <= 0)
- {
- // This is the last remove for this Texture.
- textureInfo.referenceCount = 0;
- bool removeTextureInfo = false;
-
- // If loaded, we can remove the TextureInfo and the Atlas (if atlased).
- if(textureInfo.loadState == LoadState::UPLOADED)
- {
- if(textureInfo.atlas)
- {
- textureInfo.atlas.Remove(textureInfo.atlasRect);
- }
- removeTextureInfo = true;
- }
- else if(textureInfo.loadState == LoadState::LOADING)
- {
- // We mark the textureInfo for removal.
- // Once the load has completed, this method will be called again.
- textureInfo.loadState = LoadState::CANCELLED;
- }
- else
- {
- // In other states, we are not waiting for a load so we are safe to remove the TextureInfo data.
- removeTextureInfo = true;
- }
-
- // If the state allows us to remove the TextureInfo data, we do so.
- if(removeTextureInfo)
- {
- // If url location is BUFFER, decrease reference count of EncodedImageBuffer.
- if(textureInfo.url.IsBufferResource())
- {
- RemoveExternalEncodedImageBuffer(textureInfo.url.GetUrl());
- }
- // Permanently remove the textureInfo struct.
- mTextureInfoContainer.erase(mTextureInfoContainer.begin() + textureInfoIndex);
- }
- }
-
- if(observer)
- {
- // Remove element from the LoadQueue
- for(auto&& element : mLoadQueue)
- {
- if(element.mObserver == observer)
- {
- // Do not erase the item. We will clear it later in ProcessQueuedTextures().
- element.mObserver = nullptr;
- break;
- }
- }
- }
- }
-}
-
-VisualUrl TextureManager::GetVisualUrl(TextureId textureId)
-{
- VisualUrl visualUrl("");
- int cacheIndex = GetCacheIndexFromId(textureId);
-
- 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)
-{
- LoadState loadState = TextureManager::LoadState::NOT_STARTED;
-
- int cacheIndex = GetCacheIndexFromId(textureId);
- if(cacheIndex != INVALID_CACHE_INDEX)
- {
- TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex]);
- loadState = cachedTextureInfo.loadState;
- }
- else
- {
- for(auto&& elem : mExternalTextures)
- {
- if(elem.textureId == textureId)
- {
- loadState = LoadState::UPLOADED;
- break;
- }
- }
- }
- return loadState;
-}
-
-TextureManager::LoadState TextureManager::GetTextureStateInternal(TextureId textureId)
-{
- LoadState loadState = TextureManager::LoadState::NOT_STARTED;
-
- int cacheIndex = GetCacheIndexFromId(textureId);
- if(cacheIndex != INVALID_CACHE_INDEX)
- {
- TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex]);
- loadState = cachedTextureInfo.loadState;
- }
-
- return loadState;
-}
-
-Devel::PixelBuffer TextureManager::LoadImageSynchronously(const VisualUrl& url,
- const ImageDimensions desiredSize,
- FittingMode::Type fittingMode,
- Dali::SamplingMode::Type samplingMode,
- bool orientationCorrection)
-{
- Devel::PixelBuffer pixelBuffer;
- if(url.IsBufferResource())
- {
- const EncodedImageBuffer& encodedImageBuffer = GetEncodedImageBuffer(url.GetUrl());
- if(encodedImageBuffer)
- {
- pixelBuffer = LoadImageFromBuffer(encodedImageBuffer.GetRawBuffer(), desiredSize, fittingMode, samplingMode, orientationCorrection);
- }
- }
- else
- {
- pixelBuffer = LoadImageFromFile(url.GetUrl(), desiredSize, fittingMode, samplingMode, orientationCorrection);
- }
- return pixelBuffer;
-}
-
-TextureSet TextureManager::GetTextureSet(TextureId textureId)
-{
- TextureSet textureSet; // empty handle
-
- int cacheIndex = GetCacheIndexFromId(textureId);
- if(cacheIndex != INVALID_CACHE_INDEX)
- {
- TextureInfo& cachedTextureInfo(mTextureInfoContainer[cacheIndex]);
- textureSet = cachedTextureInfo.textureSet;
- }
- else
- {
- for(auto&& elem : mExternalTextures)
- {
- if(elem.textureId == textureId)
- {
- textureSet = elem.textureSet;
- break;
- }
- }
- }
- return textureSet;
-}
-
-EncodedImageBuffer TextureManager::GetEncodedImageBuffer(TextureId textureId)
-{
- EncodedImageBuffer encodedImageBuffer; // empty handle
- for(auto&& elem : mEncodedBufferTextures)
- {
- if(elem.textureId == textureId)
- {
- encodedImageBuffer = elem.encodedImageBuffer;
- break;
- }
- }
- return encodedImageBuffer;
-}
-
-EncodedImageBuffer TextureManager::GetEncodedImageBuffer(const std::string& url)
-{
- EncodedImageBuffer encodedImageBuffer; // empty handle
- if(url.size() > 0 && VisualUrl::BUFFER == VisualUrl::GetProtocolType(url))
- {
- std::string location = VisualUrl::GetLocation(url);
- if(location.size() > 0u)
- {
- TextureId targetId = std::stoi(location);
- return GetEncodedImageBuffer(targetId);
- }
- }
- return encodedImageBuffer;
-}
-
-std::string TextureManager::AddExternalTexture(TextureSet& textureSet)
-{
- TextureManager::ExternalTextureInfo info;
- info.textureId = GenerateUniqueTextureId();
- info.textureSet = textureSet;
- mExternalTextures.emplace_back(info);
-
- return VisualUrl::CreateTextureUrl(std::to_string(info.textureId));
-}
-
-std::string TextureManager::AddExternalEncodedImageBuffer(const EncodedImageBuffer& encodedImageBuffer)
-{
- // Duplication check
- for(auto&& elem : mEncodedBufferTextures)
- {
- if(elem.encodedImageBuffer == encodedImageBuffer)
- {
- // If same buffer added, increase reference count and return.
- elem.referenceCount++;
- return VisualUrl::CreateBufferUrl(std::to_string(elem.textureId));
- }
- }
- TextureManager::EncodedBufferTextureInfo info(GenerateUniqueTextureId(), encodedImageBuffer);
- mEncodedBufferTextures.emplace_back(info);
- return VisualUrl::CreateBufferUrl(std::to_string(info.textureId));
-}
-
-TextureSet TextureManager::RemoveExternalTexture(const std::string& url)
-{
- if(url.size() > 0u)
- {
- if(VisualUrl::TEXTURE == VisualUrl::GetProtocolType(url))
- {
- // get the location from the Url
- std::string location = VisualUrl::GetLocation(url);
- if(location.size() > 0u)
- {
- TextureId id = std::stoi(location);
- const auto end = mExternalTextures.end();
- for(auto iter = mExternalTextures.begin(); iter != end; ++iter)
- {
- if(iter->textureId == id)
- {
- auto textureSet = iter->textureSet;
- if(--(iter->referenceCount) <= 0)
- {
- mExternalTextures.erase(iter);
- }
- return textureSet;
- }
- }
- }
- }
- }
- return TextureSet();
-}
-
-EncodedImageBuffer TextureManager::RemoveExternalEncodedImageBuffer(const std::string& url)
-{
- if(url.size() > 0u)
- {
- if(VisualUrl::BUFFER == VisualUrl::GetProtocolType(url))
- {
- // get the location from the Url
- std::string location = VisualUrl::GetLocation(url);
- if(location.size() > 0u)
- {
- TextureId id = std::stoi(location);
- const auto end = mEncodedBufferTextures.end();
- for(auto iter = mEncodedBufferTextures.begin(); iter != end; ++iter)
- {
- if(iter->textureId == id)
- {
- auto encodedImageBuffer = iter->encodedImageBuffer;
- if(--(iter->referenceCount) <= 0)
- {
- mEncodedBufferTextures.erase(iter);
- }
- return encodedImageBuffer;
- }
- }
- }
- }
- }
- return EncodedImageBuffer();
-}
-
-void TextureManager::UseExternalResource(const VisualUrl& url)
-{
- if(VisualUrl::TEXTURE == url.GetProtocolType())
- {
- std::string location = url.GetLocation();
- if(location.size() > 0u)
- {
- TextureId id = std::stoi(location);
- for(auto&& elem : mExternalTextures)
- {
- if(elem.textureId == id)
- {
- elem.referenceCount++;
- return;
- }
- }
- }
- }
- else if(VisualUrl::BUFFER == url.GetProtocolType())
- {
- std::string location = url.GetLocation();
- if(location.size() > 0u)
- {
- TextureId id = std::stoi(location);
- for(auto&& elem : mEncodedBufferTextures)
- {
- if(elem.textureId == id)
- {
- elem.referenceCount++;
- return;
- }
- }
- }
- }
-}
-
-void TextureManager::AddObserver(TextureManager::LifecycleObserver& observer)
-{
- // make sure an observer doesn't observe the same object twice
- // otherwise it will get multiple calls to ObjectDestroyed()
- DALI_ASSERT_DEBUG(mLifecycleObservers.End() == std::find(mLifecycleObservers.Begin(), mLifecycleObservers.End(), &observer));
- mLifecycleObservers.PushBack(&observer);
-}
-
-void TextureManager::RemoveObserver(TextureManager::LifecycleObserver& observer)
-{
- // Find the observer...
- auto endIter = mLifecycleObservers.End();
- for(auto iter = mLifecycleObservers.Begin(); iter != endIter; ++iter)
- {
- if((*iter) == &observer)
- {
- mLifecycleObservers.Erase(iter);
- break;
- }
- }
- DALI_ASSERT_DEBUG(endIter != mLifecycleObservers.End());
-}
-
-void TextureManager::LoadOrQueueTexture(TextureInfo& textureInfo, TextureUploadObserver* observer)
-{
- switch(textureInfo.loadState)
- {
- case LoadState::NOT_STARTED:
- case LoadState::LOAD_FAILED:
- {
- if(mQueueLoadFlag)
- {
- QueueLoadTexture(textureInfo, observer);
- }
- else
- {
- LoadTexture(textureInfo, observer);
- }
- break;
- }
- case LoadState::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->LoadComplete(true, TextureUploadObserver::TextureInformation(TextureUploadObserver::ReturnType::TEXTURE, textureInfo.textureId, textureInfo.textureSet, textureInfo.useAtlas, textureInfo.atlasRect, textureInfo.preMultiplied));
- }
- break;
- }
- case LoadState::LOADING:
- case LoadState::CANCELLED:
- case LoadState::LOAD_FINISHED:
- case LoadState::WAITING_FOR_MASK:
- case LoadState::MASK_APPLYING:
- case LoadState::MASK_APPLIED:
- {
- break;
- }
- }
-}
-
-void TextureManager::QueueLoadTexture(TextureInfo& textureInfo, TextureUploadObserver* observer)
-{
- auto textureId = textureInfo.textureId;
- mLoadQueue.PushBack(LoadQueueElement(textureId, observer));
-
- observer->DestructionSignal().Connect(this, &TextureManager::ObserverDestroyed);
-}
-
-void TextureManager::LoadTexture(TextureInfo& textureInfo, TextureUploadObserver* observer)
-{
- DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureManager::LoadTexture(): url:%s sync:%s\n", textureInfo.url.GetUrl().c_str(), textureInfo.loadSynchronously ? "T" : "F");
-
- textureInfo.loadState = LoadState::LOADING;
- if(!textureInfo.loadSynchronously)
- {
- auto& loadersContainer = (textureInfo.url.IsLocalResource() || textureInfo.url.IsBufferResource()) ? 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());
- if(textureInfo.animatedImageLoading)
- {
- loadingHelperIt->LoadAnimatedImage(textureInfo.textureId, textureInfo.animatedImageLoading, textureInfo.frameIndex);
- }
- else
- {
- loadingHelperIt->Load(textureInfo.textureId, textureInfo.url, textureInfo.desiredSize, textureInfo.fittingMode, textureInfo.samplingMode, textureInfo.orientationCorrection, premultiplyOnLoad);
- }
- }
- ObserveTexture(textureInfo, observer);
-}
-
-void TextureManager::ProcessQueuedTextures()
-{
- for(auto&& element : mLoadQueue)
- {
- if(!element.mObserver)
- {
- continue;
- }
-
- int cacheIndex = GetCacheIndexFromId(element.mTextureId);
- if(cacheIndex != INVALID_CACHE_INDEX)
- {
- TextureInfo& textureInfo(mTextureInfoContainer[cacheIndex]);
- if(textureInfo.loadState == LoadState::UPLOADED)
- {
- element.mObserver->LoadComplete(true, TextureUploadObserver::TextureInformation(TextureUploadObserver::ReturnType::TEXTURE, textureInfo.textureId, textureInfo.textureSet, textureInfo.useAtlas, textureInfo.atlasRect, textureInfo.preMultiplied));
- }
- else if(textureInfo.loadState == LoadState::LOAD_FINISHED && textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER)
- {
- element.mObserver->LoadComplete(true, TextureUploadObserver::TextureInformation(TextureUploadObserver::ReturnType::PIXEL_BUFFER, textureInfo.pixelBuffer, textureInfo.url.GetUrl(), textureInfo.preMultiplied));
- }
- else
- {
- LoadTexture(textureInfo, element.mObserver);
- }
- }
- }
- 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);
- observer->DestructionSignal().Connect(this, &TextureManager::ObserverDestroyed);
- }
-}
-
-void TextureManager::AsyncLoadComplete(AsyncLoadingInfoContainerType& loadingContainer, uint32_t id, Devel::PixelBuffer pixelBuffer)
-{
- DALI_LOG_INFO(gTextureManagerLogFilter, Debug::Concise, "TextureManager::AsyncLoadComplete( id:%d )\n", id);
-
- if(loadingContainer.size() >= 1u)
- {
- AsyncLoadingInfo loadingInfo = loadingContainer.front();
-
- if(loadingInfo.loadId == id)
- {
- int cacheIndex = GetCacheIndexFromId(loadingInfo.textureId);
- if(cacheIndex != INVALID_CACHE_INDEX)
- {
- TextureInfo& textureInfo(mTextureInfoContainer[cacheIndex]);
-
- 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 != LoadState::CANCELLED)
- {
- // textureInfo can be invalidated after this call (as the mTextureInfoContainer may be modified)
- PostLoad(textureInfo, pixelBuffer);
- }
- else
- {
- Remove(textureInfo.textureId, nullptr);
- }
- }
- }
-
- loadingContainer.pop_front();
- }
-}
-
-void TextureManager::PostLoad(TextureInfo& textureInfo, Devel::PixelBuffer& pixelBuffer)
-{
- // Was the load successful?
- if(pixelBuffer && (pixelBuffer.GetWidth() != 0) && (pixelBuffer.GetHeight() != 0))
- {
- // No atlas support for now
- textureInfo.useAtlas = NO_ATLAS;
- textureInfo.preMultiplied = pixelBuffer.IsAlphaPreMultiplied();
-
- if(textureInfo.storageType == StorageType::UPLOAD_TO_TEXTURE)
- {
- // If there is a mask texture ID associated with this texture, then apply the mask
- // if it's already loaded. If it hasn't, and the mask is still loading,
- // wait for the mask to finish loading.
- // note, If the texture is already uploaded synchronously during loading,
- // we don't need to apply mask.
- if(textureInfo.loadState != LoadState::UPLOADED &&
- textureInfo.maskTextureId != INVALID_TEXTURE_ID)
- {
- if(textureInfo.loadState == LoadState::MASK_APPLYING)
- {
- textureInfo.loadState = 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 == LoadState::LOADING)
- {
- textureInfo.loadState = LoadState::WAITING_FOR_MASK;
- }
- else if(maskLoadState == LoadState::LOAD_FINISHED)
- {
- // Send New Task to Thread
- ApplyMask(textureInfo, textureInfo.maskTextureId);
- }
- }
- }
- else
- {
- UploadTexture(pixelBuffer, textureInfo);
- NotifyObservers(textureInfo, true);
- }
- }
- else
- {
- textureInfo.pixelBuffer = pixelBuffer; // Store the pixel data
- textureInfo.loadState = LoadState::LOAD_FINISHED;
-
- if(textureInfo.storageType == StorageType::RETURN_PIXEL_BUFFER)
- {
- NotifyObservers(textureInfo, true);
- }
- else
- {
- // Check if there was another texture waiting for this load to complete
- // (e.g. if this was an image mask, and its load is on a different thread)
- CheckForWaitingTexture(textureInfo);
- }
- }
- }
- else
- {
- textureInfo.loadState = LoadState::LOAD_FAILED;
- CheckForWaitingTexture(textureInfo);
- NotifyObservers(textureInfo, false);
- }
-}
-
-void TextureManager::CheckForWaitingTexture(TextureInfo& maskTextureInfo)
-{
- // Search the cache, checking if any texture has this texture id as a
- // maskTextureId:
- const unsigned int size = mTextureInfoContainer.size();
-
- for(unsigned int cacheIndex = 0; cacheIndex < size; ++cacheIndex)
- {
- if(mTextureInfoContainer[cacheIndex].maskTextureId == maskTextureInfo.textureId &&
- mTextureInfoContainer[cacheIndex].loadState == LoadState::WAITING_FOR_MASK)
- {
- TextureInfo& textureInfo(mTextureInfoContainer[cacheIndex]);
-
- if(maskTextureInfo.loadState == LoadState::LOAD_FINISHED)
- {
- // Send New Task to Thread
- ApplyMask(textureInfo, maskTextureInfo.textureId);
- }
- else
- {
- textureInfo.pixelBuffer.Reset();
- textureInfo.loadState = LoadState::LOAD_FAILED;
- NotifyObservers(textureInfo, false);
- }
- }
- }
-}
-
-void TextureManager::ApplyMask(TextureInfo& textureInfo, TextureId maskTextureId)
-{
- int maskCacheIndex = GetCacheIndexFromId(maskTextureId);
- 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 = LoadState::MASK_APPLYING;
- auto& loadersContainer = (textureInfo.url.IsLocalResource() || textureInfo.url.IsBufferResource()) ? 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.loadState != LoadState::UPLOADED && textureInfo.useAtlas != USE_ATLAS)
- {
- DALI_LOG_INFO(gTextureManagerLogFilter, Debug::General, " TextureManager::UploadTexture() New Texture for textureId:%d\n", textureInfo.textureId);
-
- // Check if this pixelBuffer is premultiplied
- textureInfo.preMultiplied = pixelBuffer.IsAlphaPreMultiplied();
-
- auto& renderingAddOn = RenderingAddOn::Get();
- if(renderingAddOn.IsValid())
- {
- renderingAddOn.CreateGeometry(textureInfo.textureId, pixelBuffer);
- }
-
- Texture texture = Texture::New(Dali::TextureType::TEXTURE_2D, pixelBuffer.GetPixelFormat(), pixelBuffer.GetWidth(), pixelBuffer.GetHeight());
-
- PixelData pixelData = Devel::PixelBuffer::Convert(pixelBuffer);
- texture.Upload(pixelData);
- if(!textureInfo.textureSet)
- {
- textureInfo.textureSet = TextureSet::New();
- }
- textureInfo.textureSet.SetTexture(0u, texture);
- }
-
- // Update the load state.
- // Note: This is regardless of success as we care about whether a
- // load attempt is in progress or not. If unsuccessful, a broken
- // image is still loaded.
- textureInfo.loadState = LoadState::UPLOADED;
-}
-
-void TextureManager::NotifyObservers(TextureInfo& textureInfo, bool success)
-{
- TextureId textureId = textureInfo.textureId;
-
- // If there is an observer: Notify the load is complete, whether successful or not,
- // and erase it from the list
- TextureInfo* info = &textureInfo;
-
- mQueueLoadFlag = true;
-
- while(info->observerList.Count())
- {
- TextureUploadObserver* observer = info->observerList[0];
-
- // During LoadComplete() a Control ResourceReady() signal is emitted.
- // During that signal the app may add remove /add Textures (e.g. via
- // 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));
-
- // It is possible for the observer to be deleted.
- // Disconnect and remove the observer first.
- observer->DestructionSignal().Disconnect(this, &TextureManager::ObserverDestroyed);
-
- info->observerList.Erase(info->observerList.begin());
-
- if(info->storageType == StorageType::RETURN_PIXEL_BUFFER)
- {
- observer->LoadComplete(success, TextureUploadObserver::TextureInformation(TextureUploadObserver::ReturnType::PIXEL_BUFFER, info->pixelBuffer, info->url.GetUrl(), info->preMultiplied));
- }
- else
- {
- observer->LoadComplete(success, TextureUploadObserver::TextureInformation(TextureUploadObserver::ReturnType::TEXTURE, info->textureId, info->textureSet, info->useAtlas, info->atlasRect, info->preMultiplied));
- }
-
- // Get the textureInfo from the container again as it may have been invalidated.
- int textureInfoIndex = GetCacheIndexFromId(textureId);
- if(textureInfoIndex == INVALID_CACHE_INDEX)
- {
- break; // texture has been removed - can stop.
- }
- info = &mTextureInfoContainer[textureInfoIndex];
- }
-
- mQueueLoadFlag = false;
- ProcessQueuedTextures();
-
- if(info->storageType == StorageType::RETURN_PIXEL_BUFFER && info->observerList.Count() == 0)
- {
- Remove(info->textureId, nullptr);
- }
-}
-
-TextureManager::TextureId TextureManager::GenerateUniqueTextureId()
-{
- return mCurrentTextureId++;
-}
-
-int TextureManager::GetCacheIndexFromId(const TextureId textureId)
-{
- const unsigned int size = mTextureInfoContainer.size();
-
- for(unsigned int i = 0; i < size; ++i)
- {
- if(mTextureInfoContainer[i].textureId == textureId)
- {
- return i;
- }
- }
-
- return INVALID_CACHE_INDEX;
-}
-
-TextureManager::TextureHash TextureManager::GenerateHash(
- const std::string& url,
- const ImageDimensions size,
- const FittingMode::Type fittingMode,
- const Dali::SamplingMode::Type samplingMode,
- const UseAtlas useAtlas,
- TextureId maskTextureId)
-{
- std::string hashTarget(url);
- const size_t urlLength = hashTarget.length();
- const uint16_t width = size.GetWidth();
- const uint16_t height = size.GetWidth();
-
- // If either the width or height has been specified, include the resizing options in the hash
- if(width != 0 || height != 0)
- {
- // We are appending 5 bytes to the URL to form the hash input.
- hashTarget.resize(urlLength + 5u);
- char* hashTargetPtr = &(hashTarget[urlLength]);
-
- // Pack the width and height (4 bytes total).
- *hashTargetPtr++ = size.GetWidth() & 0xff;
- *hashTargetPtr++ = (size.GetWidth() >> 8u) & 0xff;
- *hashTargetPtr++ = size.GetHeight() & 0xff;
- *hashTargetPtr++ = (size.GetHeight() >> 8u) & 0xff;
-
- // Bit-pack the FittingMode, SamplingMode and atlasing.
- // FittingMode=2bits, SamplingMode=3bits, useAtlas=1bit
- *hashTargetPtr = (fittingMode << 4u) | (samplingMode << 1) | useAtlas;
- }
- else
- {
- // 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.
- switch(useAtlas)
- {
- case UseAtlas::NO_ATLAS:
- {
- hashTarget[urlLength] = 'f';
- break;
- }
- case UseAtlas::USE_ATLAS:
- {
- hashTarget[urlLength] = 't';
- break;
- }
- }
- }
-
- if(maskTextureId != INVALID_TEXTURE_ID)
- {
- auto textureIdIndex = hashTarget.length();
- hashTarget.resize(hashTarget.length() + sizeof(TextureId));
- unsigned char* hashTargetPtr = reinterpret_cast<unsigned char*>(&(hashTarget[textureIdIndex]));
-
- // Append the texture id to the end of the URL byte by byte:
- // (to avoid SIGBUS / alignment issues)
- for(size_t byteIter = 0; byteIter < sizeof(TextureId); ++byteIter)
- {
- *hashTargetPtr++ = maskTextureId & 0xff;
- maskTextureId >>= 8u;
- }
- }
-
- return Dali::CalculateHash(hashTarget);
-}
-
-int TextureManager::FindCachedTexture(
- const TextureManager::TextureHash hash,
- const std::string& url,
- const ImageDimensions size,
- const FittingMode::Type fittingMode,
- const Dali::SamplingMode::Type samplingMode,
- const bool useAtlas,
- TextureId maskTextureId,
- TextureManager::MultiplyOnLoad preMultiplyOnLoad)
-{
- // Default to an invalid ID, in case we do not find a match.
- int cacheIndex = INVALID_CACHE_INDEX;
-
- // Iterate through our hashes to find a match.
- const unsigned int count = mTextureInfoContainer.size();
- for(unsigned int i = 0u; i < count; ++i)
- {
- if(mTextureInfoContainer[i].hash == hash)
- {
- // We have a match, now we check all the original parameters in case of a hash collision.
- TextureInfo& textureInfo(mTextureInfoContainer[i]);
-
- if((url == textureInfo.url.GetUrl()) &&
- (useAtlas == textureInfo.useAtlas) &&
- (maskTextureId == textureInfo.maskTextureId) &&
- (size == textureInfo.desiredSize) &&
- ((size.GetWidth() == 0 && size.GetHeight() == 0) ||
- (fittingMode == textureInfo.fittingMode &&
- samplingMode == textureInfo.samplingMode)))
- {
- // 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;
- }
- }
- }
- }
-
- return cacheIndex;
-}
-
-void TextureManager::ObserverDestroyed(TextureUploadObserver* observer)
-{
- const unsigned int count = mTextureInfoContainer.size();
- for(unsigned int i = 0; i < count; ++i)
- {
- TextureInfo& textureInfo(mTextureInfoContainer[i]);
- for(TextureInfo::ObserverListType::Iterator j = textureInfo.observerList.Begin();
- j != textureInfo.observerList.End();)
- {
- if(*j == observer)
- {
- j = textureInfo.observerList.Erase(j);
- }
- else
- {
- ++j;
- }
- }
- }
-
- // Remove element from the LoadQueue
- for(auto&& element : mLoadQueue)
- {
- if(element.mObserver == observer)
- {
- element.mObserver = nullptr;
- }
- }
-}
-
-TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(TextureManager& textureManager)
-: AsyncLoadingHelper(Toolkit::AsyncImageLoader::New(), textureManager, AsyncLoadingInfoContainerType())
-{
-}
-
-void TextureManager::AsyncLoadingHelper::LoadAnimatedImage(TextureId textureId,
- Dali::AnimatedImageLoading animatedImageLoading,
- uint32_t frameIndex)
-{
- mLoadingInfoContainer.push_back(AsyncLoadingInfo(textureId));
- auto id = GetImplementation(mLoader).LoadAnimatedImage(animatedImageLoading, frameIndex);
- mLoadingInfoContainer.back().loadId = id;
-}
-
-void TextureManager::AsyncLoadingHelper::Load(TextureId textureId,
- const VisualUrl& url,
- ImageDimensions desiredSize,
- FittingMode::Type fittingMode,
- SamplingMode::Type samplingMode,
- bool orientationCorrection,
- DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad)
-{
- mLoadingInfoContainer.push_back(AsyncLoadingInfo(textureId));
- if(DALI_UNLIKELY(url.IsBufferResource()))
- {
- auto id = GetImplementation(mLoader).LoadEncodedImageBuffer(mTextureManager.GetEncodedImageBuffer(url.GetUrl()), desiredSize, fittingMode, samplingMode, orientationCorrection, preMultiplyOnLoad);
- mLoadingInfoContainer.back().loadId = id;
- }
- else
- {
- auto id = GetImplementation(mLoader).Load(url, 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 = GetImplementation(mLoader).ApplyMask(pixelBuffer, maskPixelBuffer, contentScale, cropToMask, preMultiplyOnLoad);
- mLoadingInfoContainer.back().loadId = id;
-}
-
-TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(AsyncLoadingHelper&& rhs)
-: AsyncLoadingHelper(rhs.mLoader, rhs.mTextureManager, std::move(rhs.mLoadingInfoContainer))
-{
-}
-
-TextureManager::AsyncLoadingHelper::AsyncLoadingHelper(
- Toolkit::AsyncImageLoader loader,
- TextureManager& textureManager,
- AsyncLoadingInfoContainerType&& loadingInfoContainer)
-: mLoader(loader),
- mTextureManager(textureManager),
- mLoadingInfoContainer(std::move(loadingInfoContainer))
-{
- DevelAsyncImageLoader::PixelBufferLoadedSignal(mLoader).Connect(
- this, &AsyncLoadingHelper::AsyncLoadComplete);
-}
-
-void TextureManager::AsyncLoadingHelper::AsyncLoadComplete(uint32_t id,
- Devel::PixelBuffer pixelBuffer)
-{
- mTextureManager.AsyncLoadComplete(mLoadingInfoContainer, id, pixelBuffer);
-}
-
-Geometry TextureManager::GetRenderGeometry(TextureId textureId, uint32_t& frontElements, uint32_t& backElements)
-{
- return RenderingAddOn::Get().IsValid() ? RenderingAddOn::Get().GetGeometry(textureId, frontElements, backElements) : Geometry();
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / commitdiff