diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 41db39a..8683eb5 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -216,7 +216,10 @@
         return;
     }
 
-    this._lastObjectRendered = displayObject;
+    if(!renderTexture)
+    {
+        this._lastObjectRendered = displayObject;
+    }
 
     if(!skipUpdateTransform)
     {

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 41db39a..8683eb5 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -216,7 +216,10 @@
         return;
     }
 
-    this._lastObjectRendered = displayObject;
+    if(!renderTexture)
+    {
+        this._lastObjectRendered = displayObject;
+    }
 
     if(!skipUpdateTransform)
     {
diff --git a/src/filters/displacement/displacement.frag b/src/filters/displacement/displacement.frag
index 5f3518a..51e942e 100644
--- a/src/filters/displacement/displacement.frag
+++ b/src/filters/displacement/displacement.frag
@@ -1,6 +1,5 @@
 varying vec2 vMapCoord;
 varying vec2 vTextureCoord;
-varying vec4 vColor;
 
 uniform vec2 scale;
 

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 41db39a..8683eb5 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -216,7 +216,10 @@
         return;
     }
 
-    this._lastObjectRendered = displayObject;
+    if(!renderTexture)
+    {
+        this._lastObjectRendered = displayObject;
+    }
 
     if(!skipUpdateTransform)
     {
diff --git a/src/filters/displacement/displacement.frag b/src/filters/displacement/displacement.frag
index 5f3518a..51e942e 100644
--- a/src/filters/displacement/displacement.frag
+++ b/src/filters/displacement/displacement.frag
@@ -1,6 +1,5 @@
 varying vec2 vMapCoord;
 varying vec2 vTextureCoord;
-varying vec4 vColor;
 
 uniform vec2 scale;
 
diff --git a/src/filters/displacement/displacement.vert b/src/filters/displacement/displacement.vert
index 02d7f64..42be4b6 100644
--- a/src/filters/displacement/displacement.vert
+++ b/src/filters/displacement/displacement.vert
@@ -1,18 +1,15 @@
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
-attribute vec4 aColor;
 
 uniform mat3 projectionMatrix;
 uniform mat3 otherMatrix;
 
 varying vec2 vMapCoord;
 varying vec2 vTextureCoord;
-varying vec4 vColor;
 
 void main(void)
 {
    gl_Position = vec4((projectionMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
    vTextureCoord = aTextureCoord;
    vMapCoord = ( otherMatrix * vec3( aTextureCoord, 1.0)  ).xy;
-   vColor = vec4(aColor.rgb * aColor.a, aColor.a);
 }