diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index c6a4433..0ff4057 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -493,3 +493,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 Texture.EMPTY.destroy = function() {}
+Texture.EMPTY.on = function() {};
+Texture.EMPTY.once = function() {};
+Texture.EMPTY.emit = function() {};
+

diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index c6a4433..0ff4057 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -493,3 +493,7 @@
  */
 Texture.EMPTY = new Texture(new BaseTexture());
 Texture.EMPTY.destroy = function() {}
+Texture.EMPTY.on = function() {};
+Texture.EMPTY.once = function() {};
+Texture.EMPTY.emit = function() {};
+
diff --git a/src/filters/blur/generateBlurVertSource.js b/src/filters/blur/generateBlurVertSource.js
index 9238ae0..ced96b6 100644
--- a/src/filters/blur/generateBlurVertSource.js
+++ b/src/filters/blur/generateBlurVertSource.js
@@ -27,11 +27,11 @@
 
     if(x)
     {
-    	template = 'vBlurTexCoords[%index%] = aTextureCoord + vec2(%samlpeIndex% * strength, 0.0);';
+    	template = 'vBlurTexCoords[%index%] = aTextureCoord + vec2(%sampleIndex% * strength, 0.0);';
     }
     else
     {
-    	template = 'vBlurTexCoords[%index%] = aTextureCoord + vec2(0.0, %samlpeIndex% * strength);';
+    	template = 'vBlurTexCoords[%index%] = aTextureCoord + vec2(0.0, %sampleIndex% * strength);';
 
     }
 
@@ -47,7 +47,7 @@
     		value = kernelSize - i - 1;
     	}
 
-    	blur = blur.replace('%samlpeIndex%', (i - (halfLength-1)) + '.0');
+    	blur = blur.replace('%sampleIndex%', (i - (halfLength-1)) + '.0');
 
     	blurLoop += blur;
     	blurLoop += '\n';