/*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * 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.
#include "svg-rasterize-thread.h"
// EXTERNAL INCLUDES
-#include <dali/devel-api/adaptor-framework/thread-settings.h>
#include <dali/devel-api/adaptor-framework/file-loader.h>
+#include <dali/devel-api/adaptor-framework/thread-settings.h>
#include <dali/integration-api/adaptor-framework/adaptor.h>
#include <dali/integration-api/debug.h>
namespace Dali
{
-
namespace Toolkit
{
-
namespace Internal
{
-
-RasterizingTask::RasterizingTask( SvgVisual* svgRenderer, VectorImageRenderer vectorRenderer, const VisualUrl& url, float dpi, unsigned int width, unsigned int height, bool loaded)
-: mSvgVisual( svgRenderer ),
- mVectorRenderer( vectorRenderer ),
- mUrl( url ),
- mDpi( dpi ),
- mWidth( width ),
- mHeight( height ),
- mLoaded( loaded )
+RasterizingTask::RasterizingTask(SvgVisual* svgRenderer, VectorImageRenderer vectorRenderer, const VisualUrl& url, float dpi, unsigned int width, unsigned int height)
+: mSvgVisual(svgRenderer),
+ mVectorRenderer(vectorRenderer),
+ mUrl(url),
+ mDpi(dpi),
+ mWidth(width),
+ mHeight(height),
+ mLoadSuccess(false)
{
-
}
RasterizingTask::~RasterizingTask()
void RasterizingTask::Load()
{
- if(!mLoaded && !mUrl.IsLocalResource())
+ if(!mUrl.IsLocalResource())
{
Dali::Vector<uint8_t> remoteBuffer;
if(!Dali::FileLoader::DownloadFileSynchronously(mUrl.GetUrl(), remoteBuffer))
return;
}
- mLoaded = true;
+ mLoadSuccess = true;
+ }
+ else
+ {
+ mLoadSuccess = true;
}
}
bool RasterizingTask::IsLoaded() const
{
- return mLoaded;
+ return mLoadSuccess;
}
SvgVisual* RasterizingTask::GetSvgVisual() const
return mPixelData;
}
-SvgRasterizeThread::SvgRasterizeThread( EventThreadCallback* trigger )
-: mTrigger( std::unique_ptr< EventThreadCallback >(trigger) ),
- mLogFactory( Dali::Adaptor::Get().GetLogFactory() ),
- mIsThreadWaiting( false )
+SvgRasterizeThread::SvgRasterizeThread()
+: mTrigger(new EventThreadCallback(MakeCallback(this, &SvgRasterizeThread::ApplyRasterizedSVGToSampler))),
+ mLogFactory(Dali::Adaptor::Get().GetLogFactory()),
+ mIsThreadWaiting(false),
+ mProcessorRegistered(false)
{
}
SvgRasterizeThread::~SvgRasterizeThread()
{
+ if(mProcessorRegistered)
+ {
+ Adaptor::Get().UnregisterProcessor(*this);
+ }
}
-void SvgRasterizeThread::TerminateThread( SvgRasterizeThread*& thread )
+void SvgRasterizeThread::TerminateThread(SvgRasterizeThread*& thread)
{
- if( thread )
+ if(thread)
{
// add an empty task would stop the thread from conditional wait.
- thread->AddTask( RasterizingTaskPtr() );
+ thread->AddTask(RasterizingTaskPtr());
// stop the thread
thread->Join();
// delete the thread
}
}
-void SvgRasterizeThread::AddTask( RasterizingTaskPtr task )
+void SvgRasterizeThread::AddTask(RasterizingTaskPtr task)
{
bool wasEmpty = false;
{
// Lock while adding task to the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
+ ConditionalWait::ScopedLock lock(mConditionalWait);
wasEmpty = mRasterizeTasks.empty();
- if( !wasEmpty && task != NULL)
+ if(!wasEmpty && task != NULL)
{
// Remove the tasks with the same renderer.
// Older task which waiting to rasterize and apply the svg to the same renderer is expired.
- for( std::vector< RasterizingTaskPtr >::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it )
+ for(std::vector<RasterizingTaskPtr>::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it)
{
- if( (*it) && (*it)->GetSvgVisual() == task->GetSvgVisual() )
+ if((*it) && (*it)->GetSvgVisual() == task->GetSvgVisual())
{
- mRasterizeTasks.erase( it );
+ mRasterizeTasks.erase(it);
break;
}
}
}
- mRasterizeTasks.push_back( task );
+ mRasterizeTasks.push_back(task);
+
+ if(!mProcessorRegistered)
+ {
+ Adaptor::Get().RegisterProcessor(*this);
+ mProcessorRegistered = true;
+ }
}
- if( wasEmpty)
+ if(wasEmpty)
{
// wake up the image loading thread
mConditionalWait.Notify();
RasterizingTaskPtr SvgRasterizeThread::NextCompletedTask()
{
// Lock while popping task out from the queue
- Mutex::ScopedLock lock( mMutex );
+ Mutex::ScopedLock lock(mMutex);
- if( mCompletedTasks.empty() )
+ if(mCompletedTasks.empty())
{
return RasterizingTaskPtr();
}
- std::vector< RasterizingTaskPtr >::iterator next = mCompletedTasks.begin();
- RasterizingTaskPtr nextTask = *next;
- mCompletedTasks.erase( next );
+ std::vector<RasterizingTaskPtr>::iterator next = mCompletedTasks.begin();
+ RasterizingTaskPtr nextTask = *next;
+ mCompletedTasks.erase(next);
return nextTask;
}
-void SvgRasterizeThread::RemoveTask( SvgVisual* visual )
+void SvgRasterizeThread::RemoveTask(SvgVisual* visual)
{
// Lock while remove task from the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
- if( !mRasterizeTasks.empty() )
+ ConditionalWait::ScopedLock lock(mConditionalWait);
+ if(!mRasterizeTasks.empty())
{
- for( std::vector< RasterizingTaskPtr >::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it )
+ for(std::vector<RasterizingTaskPtr>::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it)
{
- if( (*it) && (*it)->GetSvgVisual() == visual )
+ if((*it) && (*it)->GetSvgVisual() == visual)
{
- mRasterizeTasks.erase( it );
+ mRasterizeTasks.erase(it);
break;
}
}
}
-}
-
-void SvgRasterizeThread::DeleteImage( VectorImageRenderer vectorRenderer )
-{
- // Lock while adding image to the delete queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
- if( mIsThreadWaiting ) // no rasterization is ongoing, save to delete
- {
- // TODO: what?
- }
- else // wait to delete until current rasterization completed.
- {
- mDeleteSvg.PushBack( &vectorRenderer );
- }
+ UnregisterProcessor();
}
RasterizingTaskPtr SvgRasterizeThread::NextTaskToProcess()
{
// Lock while popping task out from the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
-
- // Delete the image here to make sure that it is not used in the nsvgRasterize()
- if( !mDeleteSvg.Empty() )
- {
- mDeleteSvg.Clear();
- }
+ ConditionalWait::ScopedLock lock(mConditionalWait);
// conditional wait
- while( mRasterizeTasks.empty() )
+ while(mRasterizeTasks.empty())
{
mIsThreadWaiting = true;
- mConditionalWait.Wait( lock );
+ mConditionalWait.Wait(lock);
}
mIsThreadWaiting = false;
// pop out the next task from the queue
- std::vector< RasterizingTaskPtr >::iterator next = mRasterizeTasks.begin();
- RasterizingTaskPtr nextTask = *next;
- mRasterizeTasks.erase( next );
+ std::vector<RasterizingTaskPtr>::iterator next = mRasterizeTasks.begin();
+ RasterizingTaskPtr nextTask = *next;
+ mRasterizeTasks.erase(next);
return nextTask;
}
-void SvgRasterizeThread::AddCompletedTask( RasterizingTaskPtr task )
+void SvgRasterizeThread::AddCompletedTask(RasterizingTaskPtr task)
{
// Lock while adding task to the queue
- Mutex::ScopedLock lock( mMutex );
- mCompletedTasks.push_back( task );
+ Mutex::ScopedLock lock(mMutex);
+ mCompletedTasks.push_back(task);
// wake up the main thread
mTrigger->Trigger();
void SvgRasterizeThread::Run()
{
- SetThreadName( "SVGThread" );
+ SetThreadName("SVGThread");
mLogFactory.InstallLogFunction();
- while( RasterizingTaskPtr task = NextTaskToProcess() )
+ while(RasterizingTaskPtr task = NextTaskToProcess())
+ {
+ task->Load();
+ task->Rasterize();
+ AddCompletedTask(task);
+ }
+}
+
+void SvgRasterizeThread::ApplyRasterizedSVGToSampler()
+{
+ while(RasterizingTaskPtr task = NextCompletedTask())
{
- task->Load( );
- task->Rasterize( );
- AddCompletedTask( task );
+ task->GetSvgVisual()->ApplyRasterizedImage(task->GetVectorRenderer(), task->GetPixelData(), task->IsLoaded());
+ }
+
+ UnregisterProcessor();
+}
+
+void SvgRasterizeThread::Process()
+{
+ ApplyRasterizedSVGToSampler();
+}
+
+void SvgRasterizeThread::UnregisterProcessor()
+{
+ if(mProcessorRegistered)
+ {
+ if(mRasterizeTasks.empty() && mCompletedTasks.empty())
+ {
+ Adaptor::Get().UnregisterProcessor(*this);
+ mProcessorRegistered = false;
+ }
}
}