CPU Alpha Masking for Animated Image Visual

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / animated-image / rolling-image-cache.cpp

diff --git a/dali-toolkit/internal/visuals/animated-image/rolling-image-cache.cpp b/dali-toolkit/internal/visuals/animated-image/rolling-image-cache.cpp
index 08fe0d0..c0c598a 100644 (file)
--- a/dali-toolkit/internal/visuals/animated-image/rolling-image-cache.cpp
+++ b/dali-toolkit/internal/visuals/animated-image/rolling-image-cache.cpp
@@ -56,9 +56,14 @@ namespace Toolkit
 {
 namespace Internal
 {
-RollingImageCache::RollingImageCache(
-  TextureManager& textureManager, UrlList& urlList, ImageCache::FrameReadyObserver& observer, uint16_t cacheSize, uint16_t batchSize, uint32_t interval)
-: ImageCache(textureManager, observer, batchSize, interval),
+RollingImageCache::RollingImageCache(TextureManager&                     textureManager,
+                                     UrlList&                            urlList,
+                                     TextureManager::MaskingDataPointer& maskingData,
+                                     ImageCache::FrameReadyObserver&     observer,
+                                     uint16_t                            cacheSize,
+                                     uint16_t                            batchSize,
+                                     uint32_t                            interval)
+: ImageCache(textureManager, maskingData, observer, batchSize, interval),
   mImageUrls(urlList),
   mQueue(cacheSize)
 {
@@ -75,9 +80,7 @@ TextureSet RollingImageCache::Frame(uint32_t frameIndex)
   bool popExist = false;
   while(!mQueue.IsEmpty() && mQueue.Front().mUrlIndex != frameIndex)
   {
-    ImageFrame imageFrame = mQueue.PopFront();
-    mTextureManager.Remove(mImageUrls[imageFrame.mUrlIndex].mTextureId, this);
-    mImageUrls[imageFrame.mUrlIndex].mTextureId = TextureManager::INVALID_TEXTURE_ID;
+    PopFrontCache();
     popExist                                    = true;
   }
 
@@ -156,7 +159,6 @@ void RollingImageCache::LoadBatch(uint32_t frameIndex)
     bool                               synchronousLoading = false;
     bool                               atlasingStatus     = false;
     bool                               loadingStatus      = false;
-    TextureManager::MaskingDataPointer maskInfo           = nullptr;
     AtlasUploadObserver*               atlasObserver      = nullptr;
     ImageAtlasManagerPtr               imageAtlasManager  = nullptr;
     Vector4                            textureRect;
@@ -165,7 +167,7 @@ void RollingImageCache::LoadBatch(uint32_t frameIndex)
 
     TextureManager::TextureId loadTextureId = TextureManager::INVALID_TEXTURE_ID;
     TextureSet                textureSet    = mTextureManager.LoadTexture(
-      url, ImageDimensions(), FittingMode::SCALE_TO_FILL, SamplingMode::BOX_THEN_LINEAR, maskInfo, synchronousLoading, loadTextureId, textureRect, textureRectSize, atlasingStatus, loadingStatus, Dali::WrapMode::Type::DEFAULT, Dali::WrapMode::Type::DEFAULT, this, atlasObserver, imageAtlasManager, ENABLE_ORIENTATION_CORRECTION, TextureManager::ReloadPolicy::CACHED, preMultiply);
+      url, ImageDimensions(), FittingMode::SCALE_TO_FILL, SamplingMode::BOX_THEN_LINEAR, mMaskingData, synchronousLoading, loadTextureId, textureRect, textureRectSize, atlasingStatus, loadingStatus, Dali::WrapMode::Type::DEFAULT, Dali::WrapMode::Type::DEFAULT, this, atlasObserver, imageAtlasManager, ENABLE_ORIENTATION_CORRECTION, TextureManager::ReloadPolicy::CACHED, preMultiply);
     mImageUrls[imageFrame.mUrlIndex].mTextureId = loadTextureId;
 
     mRequestingLoad = false;
@@ -186,13 +188,27 @@ TextureManager::TextureId RollingImageCache::GetCachedTextureId(int index) const
   return mImageUrls[mQueue[index].mUrlIndex].mTextureId;
 }
 
+void RollingImageCache::PopFrontCache()
+{
+  ImageFrame imageFrame = mQueue.PopFront();
+  mTextureManager.Remove(mImageUrls[imageFrame.mUrlIndex].mTextureId, this);
+  mImageUrls[imageFrame.mUrlIndex].mTextureId = TextureManager::INVALID_TEXTURE_ID;
+
+  if(mMaskingData && mMaskingData->mAlphaMaskId != TextureManager::INVALID_TEXTURE_ID)
+  {
+    mTextureManager.Remove(mMaskingData->mAlphaMaskId, this);
+    if(mQueue.IsEmpty())
+    {
+      mMaskingData->mAlphaMaskId = TextureManager::INVALID_TEXTURE_ID;
+    }
+  }
+}
+
 void RollingImageCache::ClearCache()
 {
   while(mTextureManagerAlive && !mQueue.IsEmpty())
   {
-    ImageFrame imageFrame = mQueue.PopFront();
-    mTextureManager.Remove(mImageUrls[imageFrame.mUrlIndex].mTextureId, this);
-    mImageUrls[imageFrame.mUrlIndex].mTextureId = TextureManager::INVALID_TEXTURE_ID;
+    PopFrontCache();
   }
   mLoadState = TextureManager::LoadState::NOT_STARTED;
 }