void ShadowView::Activate()
{
DALI_ASSERT_ALWAYS( Self().OnStage() && "ShadowView should be on stage before calling Activate()\n" );
// make sure resources are allocated and start the render tasks processing
CreateRenderTasks();
}
void SpreadFilter::Enable()
{
mCameraActor = CameraActor::New();
mCameraActor.SetParentOrigin(ParentOrigin::CENTER);
// create actor to render input with applied emboss effect
mActorForInput = ImageActor::New( mInputImage );
mActorForInput.SetParentOrigin( ParentOrigin::CENTER );
mActorForInput.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) );
mActorForInput.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) );
// create internal offscreen for result of horizontal pass
mImageForHorz = FrameBufferImage::New( mTargetSize.width, mTargetSize.height, mPixelFormat, Image::Unused );
// create an actor to render mImageForHorz for vertical blur pass
mActorForHorz = ImageActor::New( mImageForHorz );
mActorForHorz.SetParentOrigin( ParentOrigin::CENTER );
mActorForHorz.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) );
mActorForHorz.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) );
mRootActor.Add( mActorForInput );
mRootActor.Add( mActorForHorz );
mRootActor.Add( mCameraActor );
std::ostringstream fragmentSource;
if( mDebugRender )
{
fragmentSource << "#define DEBUG_RENDER\n";
}
fragmentSource << SPREAD_FRAGMENT_SOURCE;
mShaderForHorz = ShaderEffect::New( "", fragmentSource.str() );
mActorForInput.SetShaderEffect( mShaderForHorz );
mShaderForHorz.SetUniform( "uSpread", mSpread );
mShaderForHorz.SetUniform( "uTexScale", Vector2( 1.0f / mTargetSize.width, 0.0f ) );
mShaderForVert = ShaderEffect::New( "", fragmentSource.str() );
mActorForHorz.SetShaderEffect( mShaderForVert );
mShaderForVert.SetUniform( "uSpread", mSpread );
mShaderForVert.SetUniform( "uTexScale", Vector2( 0.0f, 1.0f / mTargetSize.height ) );
SetupCamera();
CreateRenderTasks();
}
void GaussianBlurView::Activate()
{
// make sure resources are allocated and start the render tasks processing
AllocateResources();
CreateRenderTasks();
}
