[4.0] Fix to avoid render-task waiting forever

[platform/core/uifw/dali-core.git] / dali / internal / update / render-tasks / scene-graph-render-task.cpp

diff --git a/dali/internal/update/render-tasks/scene-graph-render-task.cpp b/dali/internal/update/render-tasks/scene-graph-render-task.cpp
index 96dfbc9..d4305b9 100644 (file)
--- a/dali/internal/update/render-tasks/scene-graph-render-task.cpp
+++ b/dali/internal/update/render-tasks/scene-graph-render-task.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 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.
@@ -201,28 +201,26 @@ bool RenderTask::ReadyToRender( BufferIndex updateBufferIndex )
   // If the source node of the render task is invisible we should still render
   // We want the render task to complete and possible clear colors to happen
 
-  // Check source node
-  if ( NULL == mSourceNode ||
-       ( !mSourceNode->IsRoot() && NULL == mSourceNode->GetParent() ) )
+  // Check the source node.
+  if( NULL == mSourceNode ||
+      ( !mSourceNode->IsRoot() && NULL == mSourceNode->GetParent() ) )
   {
-    TASK_LOG_FMT(Debug::General, " =F  No source actor  FC:%d\n", mFrameCounter );
+    TASK_LOG_FMT( Debug::General, " Source actor not on stage.  Frame counter: %d\n", mFrameCounter );
 
-    // Source node is missing or disconnected
+    // The source node is missing or disconnected.
     return false;
   }
 
   // Check camera node
-  if ( NULL == mCameraNode ||
-       NULL == mCameraNode->GetParent() ||
-       NULL == mCamera )
+  if( NULL == mCameraNode ||
+      NULL == mCameraNode->GetParent() ||
+      NULL == mCamera )
   {
-    // Camera node is missing or disconnected
+    // The camera node is missing or disconnected.
     TASK_LOG_FMT(Debug::General, " =F  No Camera  FC:%d\n", mFrameCounter );
-
     return false;
   }
 
-  mCamera->Update( updateBufferIndex, *mCameraNode );
   return true;
 }
 
@@ -254,17 +252,11 @@ bool RenderTask::IsRenderRequired()
   return required;
 }
 
-void RenderTask::SetResourcesFinished( bool resourcesFinished )
-{
-  // resourcesFinished tells us that this render task will render to its FBO
-  mResourcesFinished = resourcesFinished;
-}
-
 // Called every frame regardless of whether render was required.
 // If render was not required, ignore resourcesFinished.
 void RenderTask::UpdateState()
 {
-  TASK_LOG_FMT( Debug::General, "(mResourcesFinished:%s)  FC:%d State:%s RR:%d\n", mResourcesFinished?"T":"F", mFrameCounter, STATE_STRING(mState), mRefreshRate );
+  TASK_LOG_FMT( Debug::General, "FC:%d State:%s RR:%d\n", mFrameCounter, STATE_STRING(mState), mRefreshRate );
 
   switch( mState )
   {
@@ -274,10 +266,7 @@ void RenderTask::UpdateState()
       {
         if( mFrameCounter == 0 )
         {
-          if( mResourcesFinished )
-          {
-            ++mFrameCounter; // Only start skipping frames when resources are loaded
-          }
+          ++mFrameCounter; // Only start skipping frames when resources are loaded
         }
         else // Continue counting to skip frames
         {
@@ -294,10 +283,7 @@ void RenderTask::UpdateState()
 
     case RENDER_ONCE_WAITING_FOR_RESOURCES:
     {
-      if( mResourcesFinished )
-      {
-        mState = RENDERED_ONCE;
-      }
+      mState = RENDERED_ONCE;
     }
     break;
 
@@ -315,6 +301,7 @@ void RenderTask::UpdateState()
       }
       else
       {
+        mWaitingToRender = false;
         mNotifyTrigger = true;
       }
     }
@@ -390,8 +377,7 @@ void RenderTask::PrepareRenderInstruction( RenderInstruction& instruction, Buffe
                      mClearEnabled ? &GetClearColor( updateBufferIndex ) : NULL );
 
   if( mRequiresSync &&
-      mRefreshRate == Dali::RenderTask::REFRESH_ONCE &&
-      mResourcesFinished )
+      mRefreshRate == Dali::RenderTask::REFRESH_ONCE )
   {
     // create tracker if one doesn't yet exist.
     if( !mRenderSyncTracker )
@@ -466,13 +452,6 @@ void RenderTask::SetSyncRequired( bool requiresSync )
   mRequiresSync = requiresSync;
 }
 
-void RenderTask::ResetDefaultProperties( BufferIndex updateBufferIndex )
-{
-  // Reset default properties
-  mViewportPosition.ResetToBaseValue( updateBufferIndex );
-  mViewportSize.ResetToBaseValue( updateBufferIndex );
-  mClearColor.ResetToBaseValue( updateBufferIndex );
-}
 
 RenderTask::RenderTask()
 : mViewportPosition( Vector2::ZERO),
@@ -484,13 +463,11 @@ RenderTask::RenderTask()
   mCameraNode( NULL ),
   mCamera( NULL ),
   mFrameBuffer(0),
-  mResourcesFinished( false ),
   mWaitingToRender( false ),
   mNotifyTrigger( false ),
   mExclusive( Dali::RenderTask::DEFAULT_EXCLUSIVE ),
   mClearEnabled( Dali::RenderTask::DEFAULT_CLEAR_ENABLED ),
   mCullMode( Dali::RenderTask::DEFAULT_CULL_MODE ),
-  mRenderTarget( NULL ),
   mState( (Dali::RenderTask::DEFAULT_REFRESH_RATE == Dali::RenderTask::REFRESH_ALWAYS)
           ? RENDER_CONTINUOUSLY
           : RENDER_ONCE_WAITING_FOR_RESOURCES ),