Removed unnecessary internal ShaderEffectSources.

GaussianDirectionalBlur does not require source to
be ShaderEffectSource, it uses internal SourceProxy
when needed.

Change-Id: Ie6db1ddad5e245e7ae3a4563d07107b780eaa671
Reviewed-by: Kim Gronholm <kim.1.gronholm@nokia.com>

3 files changed, 5 insertions, 34 deletions

diff --git a/src/effects/internal/GaussianGlow.qml b/src/effects/internal/GaussianGlow.qml
index 7564226..467c4f3 100644
--- a/src/effects/internal/GaussianGlow.qml
+++ b/src/effects/internal/GaussianGlow.qml
@@ -72,21 +72,12 @@ Item {
         y: transparentBorder ? -maximumRadius - 1 : 0
         width: horizontalBlur.width
         height: horizontalBlur.height
-
         horizontalStep: 0.0
         verticalStep: 1.0 / parent.height
-
-        source: ShaderEffectSource {
-            sourceItem: horizontalBlur
-            hideSource: true
-            visible: false
-            smooth: true
-        }
-
+        source: horizontalBlur
         radius: rootItem.radius
         maximumRadius: rootItem.maximumRadius
         transparentBorder: rootItem.transparentBorder
-
         enableColor: true
         color: rootItem.color
         spread: rootItem.spread
@@ -96,10 +87,8 @@ Item {
         id: horizontalBlur
         width: transparentBorder ? parent.width + 2 * maximumRadius + 2 : parent.width
         height: transparentBorder ? parent.height + 2 * maximumRadius + 2  : parent.height
-
         horizontalStep: 1.0 / parent.width
         verticalStep: 0.0
-
         source: sourceProxy.output
         radius: rootItem.radius
         maximumRadius: rootItem.maximumRadius
diff --git a/src/effects/internal/GaussianInnerShadow.qml b/src/effects/internal/GaussianInnerShadow.qml
index b4b7190..0d185bd 100644
--- a/src/effects/internal/GaussianInnerShadow.qml
+++ b/src/effects/internal/GaussianInnerShadow.qml
@@ -75,6 +75,7 @@ Item {
         property real horizontalOffset: rootItem.horizontalOffset / rootItem.width
         property real verticalOffset: rootItem.verticalOffset / rootItem.height
 
+        visible: false
         fragmentShader: "
             uniform highp sampler2D original;
             uniform lowp float qt_Opacity;
@@ -97,14 +98,7 @@ Item {
         anchors.fill: parent
         horizontalStep: 0.0
         verticalStep: 1.0 / parent.height
-
-        source: ShaderEffectSource {
-            sourceItem: horizontalBlur
-            hideSource: true
-            visible: false
-            smooth: true
-        }
-
+        source: horizontalBlur
         radius: rootItem.radius
         maximumRadius: rootItem.maximumRadius
         visible: false
@@ -114,11 +108,9 @@ Item {
         id: horizontalBlur
         width: transparentBorder ? parent.width + 2 * maximumRadius : parent.width
         height: parent.height
-
         horizontalStep: 1.0 / parent.width
         verticalStep: 0.0
-
-        source: ShaderEffectSource { sourceItem: shadowItem; hideSource: true; smooth: true }
+        source: shadowItem
         radius: rootItem.radius
         maximumRadius: rootItem.maximumRadius
         visible: false
@@ -128,7 +120,6 @@ Item {
         id: blurredSource
         sourceItem: blurItem
         live: true
-        hideSource: true
         smooth: true
     }
 
diff --git a/src/effects/internal/GaussianMaskedBlur.qml b/src/effects/internal/GaussianMaskedBlur.qml
index 542c85e..a761668 100644
--- a/src/effects/internal/GaussianMaskedBlur.qml
+++ b/src/effects/internal/GaussianMaskedBlur.qml
@@ -77,16 +77,9 @@ Item {
         y: transparentBorder ? -maximumRadius - 1: 0
         width: horizontalBlur.width
         height: horizontalBlur.height
-
         horizontalStep: 0.0
         verticalStep: 1.0 / parent.height
-
-        source: ShaderEffectSource {
-            sourceItem: horizontalBlur
-            hideSource: true
-            visible: false
-            smooth: true
-        }
+        source: horizontalBlur
         enableMask: true
         maskSource: maskSourceProxy.output
         radius: rootItem.radius
@@ -98,10 +91,8 @@ Item {
         id: horizontalBlur
         width: transparentBorder ? parent.width + 2 * maximumRadius + 2 : parent.width
         height: transparentBorder ? parent.height + 2 * maximumRadius + 2  : parent.height
-
         horizontalStep: 1.0 / parent.width
         verticalStep: 0.0
-
         source: sourceProxy.output
         enableMask: true
         maskSource: maskSourceProxy.output