diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 95a0b61..8c8b75d 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -146,22 +146,23 @@
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
-         * By default, clamps bottom and right edge of texture.
-         * Change to 0 if you texture has repeated right and bottom lines, that leads to smoother borders
-         * @default 1
+         * Change to 1.5 if you tex ture has repeated right and bottom lines, that leads to smoother borders
+         * IN REAL PIXELS
+         * @default 0
          * @member {number}
          */
-        this.smoothEdge1 = 1;
+        this.clampOffset = 0;
 
         /**
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
          * Change to 0 to add a pixel to the edge, recommended for transparent trimmed textures in atlas
-         * @default 0
+         * IN REAL PIXELS
+         * @default 0.5
          * @member {number}
          */
-        this.smoothEdge2 = 0;
+        this.clampMargin = 0.5;
     }
 
     /**

diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 95a0b61..8c8b75d 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -146,22 +146,23 @@
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
-         * By default, clamps bottom and right edge of texture.
-         * Change to 0 if you texture has repeated right and bottom lines, that leads to smoother borders
-         * @default 1
+         * Change to 1.5 if you tex ture has repeated right and bottom lines, that leads to smoother borders
+         * IN REAL PIXELS
+         * @default 0
          * @member {number}
          */
-        this.smoothEdge1 = 1;
+        this.clampOffset = 0;
 
         /**
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
          * Change to 0 to add a pixel to the edge, recommended for transparent trimmed textures in atlas
-         * @default 0
+         * IN REAL PIXELS
+         * @default 0.5
          * @member {number}
          */
-        this.smoothEdge2 = 0;
+        this.clampMargin = 0.5;
     }
 
     /**
diff --git a/src/core/textures/TextureTransform.js b/src/core/textures/TextureTransform.js
index 6dfa2d9..f914c18 100644
--- a/src/core/textures/TextureTransform.js
+++ b/src/core/textures/TextureTransform.js
@@ -17,7 +17,9 @@
 
         this.mapCoord = new Matrix();
 
-        this.frameClamp = new Float32Array(4);
+        this.clampFrame = new Float32Array(4);
+
+        this.clampOffset = new Float32Array(2);
 
         this._lastTextureID = -1;
 
@@ -80,11 +82,14 @@
         }
 
         const texBase = tex.baseTexture;
-        const frame = this.frameClamp;
+        const frame = this.clampFrame;
+        const margin = tex.clampMargin / texBase.resolution;
 
-        frame[0] = (tex._frame.x + tex.smoothEdge2) / texBase.width;
-        frame[1] = (tex._frame.y + tex.smoothEdge2) / texBase.height;
-        frame[2] = (tex._frame.x + tex._frame.width - tex.smoothEdge1 + tex.smoothEdge2) / texBase.width;
-        frame[3] = (tex._frame.y + tex._frame.height - tex.smoothEdge1 + tex.smoothEdge2) / texBase.height;
+        frame[0] = (tex._frame.x + margin) / texBase.width;
+        frame[1] = (tex._frame.y + margin) / texBase.height;
+        frame[2] = (tex._frame.x + tex._frame.width - margin) / texBase.width;
+        frame[3] = (tex._frame.y + tex._frame.height - margin) / texBase.height;
+        this.clampOffset[0] = tex.clampOffset / texBase.realWidth;
+        this.clampOffset[1] = tex.clampOffset / texBase.realHeight;
     }
 }

diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 95a0b61..8c8b75d 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -146,22 +146,23 @@
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
-         * By default, clamps bottom and right edge of texture.
-         * Change to 0 if you texture has repeated right and bottom lines, that leads to smoother borders
-         * @default 1
+         * Change to 1.5 if you tex ture has repeated right and bottom lines, that leads to smoother borders
+         * IN REAL PIXELS
+         * @default 0
          * @member {number}
          */
-        this.smoothEdge1 = 1;
+        this.clampOffset = 0;
 
         /**
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
          * Change to 0 to add a pixel to the edge, recommended for transparent trimmed textures in atlas
-         * @default 0
+         * IN REAL PIXELS
+         * @default 0.5
          * @member {number}
          */
-        this.smoothEdge2 = 0;
+        this.clampMargin = 0.5;
     }
 
     /**
diff --git a/src/core/textures/TextureTransform.js b/src/core/textures/TextureTransform.js
index 6dfa2d9..f914c18 100644
--- a/src/core/textures/TextureTransform.js
+++ b/src/core/textures/TextureTransform.js
@@ -17,7 +17,9 @@
 
         this.mapCoord = new Matrix();
 
-        this.frameClamp = new Float32Array(4);
+        this.clampFrame = new Float32Array(4);
+
+        this.clampOffset = new Float32Array(2);
 
         this._lastTextureID = -1;
 
@@ -80,11 +82,14 @@
         }
 
         const texBase = tex.baseTexture;
-        const frame = this.frameClamp;
+        const frame = this.clampFrame;
+        const margin = tex.clampMargin / texBase.resolution;
 
-        frame[0] = (tex._frame.x + tex.smoothEdge2) / texBase.width;
-        frame[1] = (tex._frame.y + tex.smoothEdge2) / texBase.height;
-        frame[2] = (tex._frame.x + tex._frame.width - tex.smoothEdge1 + tex.smoothEdge2) / texBase.width;
-        frame[3] = (tex._frame.y + tex._frame.height - tex.smoothEdge1 + tex.smoothEdge2) / texBase.height;
+        frame[0] = (tex._frame.x + margin) / texBase.width;
+        frame[1] = (tex._frame.y + margin) / texBase.height;
+        frame[2] = (tex._frame.x + tex._frame.width - margin) / texBase.width;
+        frame[3] = (tex._frame.y + tex._frame.height - margin) / texBase.height;
+        this.clampOffset[0] = tex.clampOffset / texBase.realWidth;
+        this.clampOffset[1] = tex.clampOffset / texBase.realHeight;
     }
 }
diff --git a/src/extras/webgl/TilingRenderer.js b/src/extras/webgl/TilingRenderer.js
index c6634ed..32e6ea3 100644
--- a/src/extras/webgl/TilingRenderer.js
+++ b/src/extras/webgl/TilingRenderer.js
@@ -74,7 +74,8 @@
         const baseTex = tex.baseTexture;
         const lt = ts.tileTransform.localTransform;
         const uv = ts.uvTransform;
-        let isSimple = tex.frame.width === baseTex.width && tex.frame.height === baseTex.height;
+        let isSimple = baseTex.isPowerOfTwo
+            && tex.frame.width === baseTex.width && tex.frame.height === baseTex.height;
 
         // auto, force repeat wrapMode for big tiling textures
         if (isSimple)
@@ -123,6 +124,7 @@
         {
             shader.uniforms.uMapCoord = uv.mapCoord.toArray(true);
             shader.uniforms.uFrame = uv.frameClamp;
+            shader.uniforms.uClampOffset = tex.uClampOffset;
         }
         shader.uniforms.uTransform = tempMat.toArray(true);
 

diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 95a0b61..8c8b75d 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -146,22 +146,23 @@
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
-         * By default, clamps bottom and right edge of texture.
-         * Change to 0 if you texture has repeated right and bottom lines, that leads to smoother borders
-         * @default 1
+         * Change to 1.5 if you tex ture has repeated right and bottom lines, that leads to smoother borders
+         * IN REAL PIXELS
+         * @default 0
          * @member {number}
          */
-        this.smoothEdge1 = 1;
+        this.clampOffset = 0;
 
         /**
          * Experimental!
          * Changes frame clamping
          * Works with TilingSprite and Mesh
          * Change to 0 to add a pixel to the edge, recommended for transparent trimmed textures in atlas
-         * @default 0
+         * IN REAL PIXELS
+         * @default 0.5
          * @member {number}
          */
-        this.smoothEdge2 = 0;
+        this.clampMargin = 0.5;
     }
 
     /**
diff --git a/src/core/textures/TextureTransform.js b/src/core/textures/TextureTransform.js
index 6dfa2d9..f914c18 100644
--- a/src/core/textures/TextureTransform.js
+++ b/src/core/textures/TextureTransform.js
@@ -17,7 +17,9 @@
 
         this.mapCoord = new Matrix();
 
-        this.frameClamp = new Float32Array(4);
+        this.clampFrame = new Float32Array(4);
+
+        this.clampOffset = new Float32Array(2);
 
         this._lastTextureID = -1;
 
@@ -80,11 +82,14 @@
         }
 
         const texBase = tex.baseTexture;
-        const frame = this.frameClamp;
+        const frame = this.clampFrame;
+        const margin = tex.clampMargin / texBase.resolution;
 
-        frame[0] = (tex._frame.x + tex.smoothEdge2) / texBase.width;
-        frame[1] = (tex._frame.y + tex.smoothEdge2) / texBase.height;
-        frame[2] = (tex._frame.x + tex._frame.width - tex.smoothEdge1 + tex.smoothEdge2) / texBase.width;
-        frame[3] = (tex._frame.y + tex._frame.height - tex.smoothEdge1 + tex.smoothEdge2) / texBase.height;
+        frame[0] = (tex._frame.x + margin) / texBase.width;
+        frame[1] = (tex._frame.y + margin) / texBase.height;
+        frame[2] = (tex._frame.x + tex._frame.width - margin) / texBase.width;
+        frame[3] = (tex._frame.y + tex._frame.height - margin) / texBase.height;
+        this.clampOffset[0] = tex.clampOffset / texBase.realWidth;
+        this.clampOffset[1] = tex.clampOffset / texBase.realHeight;
     }
 }
diff --git a/src/extras/webgl/TilingRenderer.js b/src/extras/webgl/TilingRenderer.js
index c6634ed..32e6ea3 100644
--- a/src/extras/webgl/TilingRenderer.js
+++ b/src/extras/webgl/TilingRenderer.js
@@ -74,7 +74,8 @@
         const baseTex = tex.baseTexture;
         const lt = ts.tileTransform.localTransform;
         const uv = ts.uvTransform;
-        let isSimple = tex.frame.width === baseTex.width && tex.frame.height === baseTex.height;
+        let isSimple = baseTex.isPowerOfTwo
+            && tex.frame.width === baseTex.width && tex.frame.height === baseTex.height;
 
         // auto, force repeat wrapMode for big tiling textures
         if (isSimple)
@@ -123,6 +124,7 @@
         {
             shader.uniforms.uMapCoord = uv.mapCoord.toArray(true);
             shader.uniforms.uFrame = uv.frameClamp;
+            shader.uniforms.uClampOffset = tex.uClampOffset;
         }
         shader.uniforms.uTransform = tempMat.toArray(true);
 
diff --git a/src/extras/webgl/tilingSprite.frag b/src/extras/webgl/tilingSprite.frag
index 1e70b07..13fb147 100644
--- a/src/extras/webgl/tilingSprite.frag
+++ b/src/extras/webgl/tilingSprite.frag
@@ -4,11 +4,11 @@
 uniform vec4 uColor;
 uniform mat3 uMapCoord;
 uniform vec4 uFrame;
-uniform vec2 uPixelSize;
+uniform vec2 uClampOffset;
 
 void main(void)
 {
-    vec2 coord = mod(vTextureCoord, vec2(1.0, 1.0));
+    vec2 coord = mod(vTextureCoord - uClampOffset, vec2(1.0, 1.0)) + uClampOffset;
     coord = (uMapCoord * vec3(coord, 1.0)).xy;
     coord = clamp(coord, uFrame.xy, uFrame.zw);