diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index a9afea0..fef5ef9 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -398,6 +398,8 @@
     {
         this.children[i].updateTransform();
     }
+
+    this._currentBounds = null;
 };
 
 // performance increase to avoid using call.. (10x faster)

diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index a9afea0..fef5ef9 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -398,6 +398,8 @@
     {
         this.children[i].updateTransform();
     }
+
+    this._currentBounds = null;
 };
 
 // performance increase to avoid using call.. (10x faster)
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index a22781c..f112b5e 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -275,9 +275,9 @@
     // fill in here..
 }
 
-WebGLRenderer.prototype.clear = function ()
+WebGLRenderer.prototype.clear = function (clearColor)
 {
-    this._activeRenderTarget.clear();
+    this._activeRenderTarget.clear(clearColor);
 }
 
 //TOOD - required?

diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index a9afea0..fef5ef9 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -398,6 +398,8 @@
     {
         this.children[i].updateTransform();
     }
+
+    this._currentBounds = null;
 };
 
 // performance increase to avoid using call.. (10x faster)
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index a22781c..f112b5e 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -275,9 +275,9 @@
     // fill in here..
 }
 
-WebGLRenderer.prototype.clear = function ()
+WebGLRenderer.prototype.clear = function (clearColor)
 {
-    this._activeRenderTarget.clear();
+    this._activeRenderTarget.clear(clearColor);
 }
 
 //TOOD - required?
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 0cc04a5..765e993 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -42,7 +42,10 @@
     // this.uniforms = 
     // this is where we store shader references..
     // TODO we could cache this!
-    this.glShaders = [];
+    this.glShaders = [];   
+    this.resolution = 1;
+
+    //this.canBeUsedDirectl
 }
 
 // constructor

diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index a9afea0..fef5ef9 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -398,6 +398,8 @@
     {
         this.children[i].updateTransform();
     }
+
+    this._currentBounds = null;
 };
 
 // performance increase to avoid using call.. (10x faster)
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index a22781c..f112b5e 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -275,9 +275,9 @@
     // fill in here..
 }
 
-WebGLRenderer.prototype.clear = function ()
+WebGLRenderer.prototype.clear = function (clearColor)
 {
-    this._activeRenderTarget.clear();
+    this._activeRenderTarget.clear(clearColor);
 }
 
 //TOOD - required?
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 0cc04a5..765e993 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -42,7 +42,10 @@
     // this.uniforms = 
     // this is where we store shader references..
     // TODO we could cache this!
-    this.glShaders = [];
+    this.glShaders = [];   
+    this.resolution = 1;
+
+    //this.canBeUsedDirectl
 }
 
 // constructor
diff --git a/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js b/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
index efa8173..0281a38 100644
--- a/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
+++ b/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
@@ -37,13 +37,20 @@
 
 FilterManager.prototype.pushFilter = function(target, filters)
 {
+    var resolution = filters[0].resolution;
 
-    var bounds = target.getBounds();
-    bounds.pad(4);
+    var bounds = target.getBounds().clone();
+
+    //TODO - should this be rounded to reoultion? not 1?
+    bounds.x = bounds.x | 0;
+    bounds.y = bounds.y | 0;
+    bounds.width = bounds.width | 0;
+    bounds.height = bounds.height | 0;
+    bounds.pad(4 / resolution);
     bounds.fit(new PIXI.Rectangle(0,0,800, 800)) //TODO - output.size?
 
-    var renderTarget = FilterManager.getPotRenderTarget(this.renderer.gl, bounds.width, bounds.height);
-    
+    var renderTarget = FilterManager.getPotRenderTarget(this.renderer.gl, bounds.width, bounds.height, resolution);
+
     this.stackIndex++;
 
     if(!this.stack[this.stackIndex])
@@ -100,6 +107,12 @@
     }
     
     this.renderer.bindRenderTarget(output);
+    
+    if(clear)
+    {
+        this.renderer.clear();
+    }
+
     this.renderer.bindShader(shader);
 
     this.syncUniforms(shader, filter);
@@ -208,22 +221,34 @@
 }
 
 //TODO move to a seperate class could be on renderer?
-FilterManager.getPotRenderTarget = function(gl, minWidth, minHeight)
+FilterManager.getPotRenderTarget = function(gl, minWidth, minHeight, resolution)
 {
     //TODO you coud return a bigger texture if there is not one in the pool?
-    minWidth = utils.getNextPowerOfTwo(minWidth);
-    minHeight = utils.getNextPowerOfTwo(minHeight);
-
+    minWidth = utils.getNextPowerOfTwo(minWidth * resolution) | 0;
+    minHeight = utils.getNextPowerOfTwo(minHeight * resolution) | 0;
+    
     var key = ((minWidth & 0xFFFF) << 16) | ( minHeight & 0xFFFF);
 
     if(!FilterManager.pool[key])FilterManager.pool[key] = [];
 
-    return FilterManager.pool[key].pop() || new RenderTarget(gl, minWidth, minHeight);
+    var renderTarget = FilterManager.pool[key].pop() || new RenderTarget(gl, minWidth, minHeight, null, 1);
+    
+    
+    //manually tweak the resolution...
+    //this will not modify the size of the frame buffer, just its resolution.
+    renderTarget.resolution = resolution;
+    renderTarget.defaultFrame.width = renderTarget.size.width = minWidth / resolution;
+    renderTarget.defaultFrame.height = renderTarget.size.height = minHeight / resolution;
+
+    return renderTarget;
 }
 
 FilterManager.freePotRenderTarget = function(renderTarget)
 {
-    var key = ((renderTarget.size.width & 0xFFFF) << 16) | ( renderTarget.size.height & 0xFFFF);
+    var minWidth = renderTarget.size.width * renderTarget.resolution;
+    var minHeight = renderTarget.size.height * renderTarget.resolution;
+
+    var key = ((minWidth & 0xFFFF) << 16) | (minHeight & 0xFFFF);
     FilterManager.pool[key].push(renderTarget)
 }
 

diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index a9afea0..fef5ef9 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -398,6 +398,8 @@
     {
         this.children[i].updateTransform();
     }
+
+    this._currentBounds = null;
 };
 
 // performance increase to avoid using call.. (10x faster)
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index a22781c..f112b5e 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -275,9 +275,9 @@
     // fill in here..
 }
 
-WebGLRenderer.prototype.clear = function ()
+WebGLRenderer.prototype.clear = function (clearColor)
 {
-    this._activeRenderTarget.clear();
+    this._activeRenderTarget.clear(clearColor);
 }
 
 //TOOD - required?
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 0cc04a5..765e993 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -42,7 +42,10 @@
     // this.uniforms = 
     // this is where we store shader references..
     // TODO we could cache this!
-    this.glShaders = [];
+    this.glShaders = [];   
+    this.resolution = 1;
+
+    //this.canBeUsedDirectl
 }
 
 // constructor
diff --git a/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js b/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
index efa8173..0281a38 100644
--- a/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
+++ b/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
@@ -37,13 +37,20 @@
 
 FilterManager.prototype.pushFilter = function(target, filters)
 {
+    var resolution = filters[0].resolution;
 
-    var bounds = target.getBounds();
-    bounds.pad(4);
+    var bounds = target.getBounds().clone();
+
+    //TODO - should this be rounded to reoultion? not 1?
+    bounds.x = bounds.x | 0;
+    bounds.y = bounds.y | 0;
+    bounds.width = bounds.width | 0;
+    bounds.height = bounds.height | 0;
+    bounds.pad(4 / resolution);
     bounds.fit(new PIXI.Rectangle(0,0,800, 800)) //TODO - output.size?
 
-    var renderTarget = FilterManager.getPotRenderTarget(this.renderer.gl, bounds.width, bounds.height);
-    
+    var renderTarget = FilterManager.getPotRenderTarget(this.renderer.gl, bounds.width, bounds.height, resolution);
+
     this.stackIndex++;
 
     if(!this.stack[this.stackIndex])
@@ -100,6 +107,12 @@
     }
     
     this.renderer.bindRenderTarget(output);
+    
+    if(clear)
+    {
+        this.renderer.clear();
+    }
+
     this.renderer.bindShader(shader);
 
     this.syncUniforms(shader, filter);
@@ -208,22 +221,34 @@
 }
 
 //TODO move to a seperate class could be on renderer?
-FilterManager.getPotRenderTarget = function(gl, minWidth, minHeight)
+FilterManager.getPotRenderTarget = function(gl, minWidth, minHeight, resolution)
 {
     //TODO you coud return a bigger texture if there is not one in the pool?
-    minWidth = utils.getNextPowerOfTwo(minWidth);
-    minHeight = utils.getNextPowerOfTwo(minHeight);
-
+    minWidth = utils.getNextPowerOfTwo(minWidth * resolution) | 0;
+    minHeight = utils.getNextPowerOfTwo(minHeight * resolution) | 0;
+    
     var key = ((minWidth & 0xFFFF) << 16) | ( minHeight & 0xFFFF);
 
     if(!FilterManager.pool[key])FilterManager.pool[key] = [];
 
-    return FilterManager.pool[key].pop() || new RenderTarget(gl, minWidth, minHeight);
+    var renderTarget = FilterManager.pool[key].pop() || new RenderTarget(gl, minWidth, minHeight, null, 1);
+    
+    
+    //manually tweak the resolution...
+    //this will not modify the size of the frame buffer, just its resolution.
+    renderTarget.resolution = resolution;
+    renderTarget.defaultFrame.width = renderTarget.size.width = minWidth / resolution;
+    renderTarget.defaultFrame.height = renderTarget.size.height = minHeight / resolution;
+
+    return renderTarget;
 }
 
 FilterManager.freePotRenderTarget = function(renderTarget)
 {
-    var key = ((renderTarget.size.width & 0xFFFF) << 16) | ( renderTarget.size.height & 0xFFFF);
+    var minWidth = renderTarget.size.width * renderTarget.resolution;
+    var minHeight = renderTarget.size.height * renderTarget.resolution;
+
+    var key = ((minWidth & 0xFFFF) << 16) | (minHeight & 0xFFFF);
     FilterManager.pool[key].push(renderTarget)
 }
 
diff --git a/src/core/renderers/webgl/utils/RenderTarget.js b/src/core/renderers/webgl/utils/RenderTarget.js
index e9df73b..b42b0c0 100644
--- a/src/core/renderers/webgl/utils/RenderTarget.js
+++ b/src/core/renderers/webgl/utils/RenderTarget.js
@@ -213,7 +213,7 @@
     if(this.destinationFrame !== this.sourceFrame)
     {
         gl.enable(gl.SCISSOR_TEST);
-        gl.scissor(this.destinationFrame.x,0, this.destinationFrame.width* this.resolution, this.destinationFrame.height* this.resolution);
+        gl.scissor(this.destinationFrame.x | 0,this.destinationFrame.y | 0, (this.destinationFrame.width * this.resolution) | 0, (this.destinationFrame.height* this.resolution) | 0);
     }
     else
     {
@@ -222,7 +222,7 @@
 
 
     // TODO - does not need to be updated all the time??
-    gl.viewport(this.destinationFrame.x,this.destinationFrame.y, this.destinationFrame.width * this.resolution, this.destinationFrame.height * this.resolution);
+    gl.viewport(this.destinationFrame.x | 0,this.destinationFrame.y | 0, (this.destinationFrame.width * this.resolution) | 0, (this.destinationFrame.height * this.resolution)|0);
 
 
 };

diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index a9afea0..fef5ef9 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -398,6 +398,8 @@
     {
         this.children[i].updateTransform();
     }
+
+    this._currentBounds = null;
 };
 
 // performance increase to avoid using call.. (10x faster)
diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index a22781c..f112b5e 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -275,9 +275,9 @@
     // fill in here..
 }
 
-WebGLRenderer.prototype.clear = function ()
+WebGLRenderer.prototype.clear = function (clearColor)
 {
-    this._activeRenderTarget.clear();
+    this._activeRenderTarget.clear(clearColor);
 }
 
 //TOOD - required?
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 0cc04a5..765e993 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -42,7 +42,10 @@
     // this.uniforms = 
     // this is where we store shader references..
     // TODO we could cache this!
-    this.glShaders = [];
+    this.glShaders = [];   
+    this.resolution = 1;
+
+    //this.canBeUsedDirectl
 }
 
 // constructor
diff --git a/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js b/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
index efa8173..0281a38 100644
--- a/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
+++ b/src/core/renderers/webgl/managers/FilterManagerRoundTwo.js
@@ -37,13 +37,20 @@
 
 FilterManager.prototype.pushFilter = function(target, filters)
 {
+    var resolution = filters[0].resolution;
 
-    var bounds = target.getBounds();
-    bounds.pad(4);
+    var bounds = target.getBounds().clone();
+
+    //TODO - should this be rounded to reoultion? not 1?
+    bounds.x = bounds.x | 0;
+    bounds.y = bounds.y | 0;
+    bounds.width = bounds.width | 0;
+    bounds.height = bounds.height | 0;
+    bounds.pad(4 / resolution);
     bounds.fit(new PIXI.Rectangle(0,0,800, 800)) //TODO - output.size?
 
-    var renderTarget = FilterManager.getPotRenderTarget(this.renderer.gl, bounds.width, bounds.height);
-    
+    var renderTarget = FilterManager.getPotRenderTarget(this.renderer.gl, bounds.width, bounds.height, resolution);
+
     this.stackIndex++;
 
     if(!this.stack[this.stackIndex])
@@ -100,6 +107,12 @@
     }
     
     this.renderer.bindRenderTarget(output);
+    
+    if(clear)
+    {
+        this.renderer.clear();
+    }
+
     this.renderer.bindShader(shader);
 
     this.syncUniforms(shader, filter);
@@ -208,22 +221,34 @@
 }
 
 //TODO move to a seperate class could be on renderer?
-FilterManager.getPotRenderTarget = function(gl, minWidth, minHeight)
+FilterManager.getPotRenderTarget = function(gl, minWidth, minHeight, resolution)
 {
     //TODO you coud return a bigger texture if there is not one in the pool?
-    minWidth = utils.getNextPowerOfTwo(minWidth);
-    minHeight = utils.getNextPowerOfTwo(minHeight);
-
+    minWidth = utils.getNextPowerOfTwo(minWidth * resolution) | 0;
+    minHeight = utils.getNextPowerOfTwo(minHeight * resolution) | 0;
+    
     var key = ((minWidth & 0xFFFF) << 16) | ( minHeight & 0xFFFF);
 
     if(!FilterManager.pool[key])FilterManager.pool[key] = [];
 
-    return FilterManager.pool[key].pop() || new RenderTarget(gl, minWidth, minHeight);
+    var renderTarget = FilterManager.pool[key].pop() || new RenderTarget(gl, minWidth, minHeight, null, 1);
+    
+    
+    //manually tweak the resolution...
+    //this will not modify the size of the frame buffer, just its resolution.
+    renderTarget.resolution = resolution;
+    renderTarget.defaultFrame.width = renderTarget.size.width = minWidth / resolution;
+    renderTarget.defaultFrame.height = renderTarget.size.height = minHeight / resolution;
+
+    return renderTarget;
 }
 
 FilterManager.freePotRenderTarget = function(renderTarget)
 {
-    var key = ((renderTarget.size.width & 0xFFFF) << 16) | ( renderTarget.size.height & 0xFFFF);
+    var minWidth = renderTarget.size.width * renderTarget.resolution;
+    var minHeight = renderTarget.size.height * renderTarget.resolution;
+
+    var key = ((minWidth & 0xFFFF) << 16) | (minHeight & 0xFFFF);
     FilterManager.pool[key].push(renderTarget)
 }
 
diff --git a/src/core/renderers/webgl/utils/RenderTarget.js b/src/core/renderers/webgl/utils/RenderTarget.js
index e9df73b..b42b0c0 100644
--- a/src/core/renderers/webgl/utils/RenderTarget.js
+++ b/src/core/renderers/webgl/utils/RenderTarget.js
@@ -213,7 +213,7 @@
     if(this.destinationFrame !== this.sourceFrame)
     {
         gl.enable(gl.SCISSOR_TEST);
-        gl.scissor(this.destinationFrame.x,0, this.destinationFrame.width* this.resolution, this.destinationFrame.height* this.resolution);
+        gl.scissor(this.destinationFrame.x | 0,this.destinationFrame.y | 0, (this.destinationFrame.width * this.resolution) | 0, (this.destinationFrame.height* this.resolution) | 0);
     }
     else
     {
@@ -222,7 +222,7 @@
 
 
     // TODO - does not need to be updated all the time??
-    gl.viewport(this.destinationFrame.x,this.destinationFrame.y, this.destinationFrame.width * this.resolution, this.destinationFrame.height * this.resolution);
+    gl.viewport(this.destinationFrame.x | 0,this.destinationFrame.y | 0, (this.destinationFrame.width * this.resolution) | 0, (this.destinationFrame.height * this.resolution)|0);
 
 
 };
diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index 9531bed..b174736 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -276,7 +276,7 @@
 Sprite.prototype.getBounds = function (matrix)
 {
     //TODO lookinto caching..
-    //if(!this._currentBounds)
+    if(!this._currentBounds)
     {
        // if(this.vertexDirty)
         {