diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 807b85b..6b95180 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -162,7 +162,9 @@
      */
     this._renderTargetStack = [];
 
-
+    this._activShader = null;
+    this._activeTextureLocation = null;
+    this._activeTexture = null;
 }
 
 // constructor
@@ -374,6 +376,21 @@
     }
 };
 
+WebGLRenderer.prototype.bindShader = function (shader)//projection, buffer)
+{
+    //TODO cache
+    if(this._activShader !== shader)
+    {
+        this._activShader = shader;
+
+        shader.bind();
+
+        // automatically set the projection matrix
+        shader.uniforms.projectionMatrix = this.currentRenderTarget.projectionMatrix.toArray(true);
+    }
+}
+
+
 WebGLRenderer.prototype.bindTexture = function (texture, location)
 {
     var gl = this.gl;

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 807b85b..6b95180 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -162,7 +162,9 @@
      */
     this._renderTargetStack = [];
 
-
+    this._activShader = null;
+    this._activeTextureLocation = null;
+    this._activeTexture = null;
 }
 
 // constructor
@@ -374,6 +376,21 @@
     }
 };
 
+WebGLRenderer.prototype.bindShader = function (shader)//projection, buffer)
+{
+    //TODO cache
+    if(this._activShader !== shader)
+    {
+        this._activShader = shader;
+
+        shader.bind();
+
+        // automatically set the projection matrix
+        shader.uniforms.projectionMatrix = this.currentRenderTarget.projectionMatrix.toArray(true);
+    }
+}
+
+
 WebGLRenderer.prototype.bindTexture = function (texture, location)
 {
     var gl = this.gl;
diff --git a/src/core/sprites/webgl/SpriteRenderer.js b/src/core/sprites/webgl/SpriteRenderer.js
index e483a7f..8795d01 100644
--- a/src/core/sprites/webgl/SpriteRenderer.js
+++ b/src/core/sprites/webgl/SpriteRenderer.js
@@ -305,12 +305,12 @@
     if (this.currentBatchSize > ( this.size * 0.5 ) )
     {
       //  gl.bufferSubData(gl.ARRAY_BUFFER, 0, this.vertices);
-        this.vertexBuffer.upload(this.vertices);
+        this.vertexBuffer.upload(this.vertices, 0, true);
     }
     else
     {
         var view = this.positions.subarray(0, this.currentBatchSize * this.vertByteSize);
-        this.vertexBuffer.upload(view);
+        this.vertexBuffer.upload(view, 0, true);
     }
 
     var nextTexture, nextBlendMode, nextShader;
@@ -368,10 +368,10 @@
                 // set shader function???
  //               this.renderer.shaderManager.setShader(shader);
 
-                this._shader.bind();
+                this.renderer.bindShader(this._shader);
               
                 //gl.enableVertexAttribArray(1);
-                this._shader.uniforms.projectionMatrix = this.renderer.currentRenderTarget.projectionMatrix.toArray(true);
+                //this._shader.uniforms.projectionMatrix = this.renderer.currentRenderTarget.projectionMatrix.toArray(true);
               
                 //TODO - i KNOW this can be optimised! Once v3 is stable il look at this next...
         //        shader.uniforms.projectionMatrix.value = this.renderer.currentRenderTarget.projectionMatrix.toArray(true);
@@ -380,7 +380,7 @@
 
                 //TODO investigate some kind of texture state managment??
                 // need to make sure this texture is the active one for all the batch swaps..
-                gl.activeTexture(gl.TEXTURE0);
+         //       gl.activeTexture(gl.TEXTURE0);
 
             }
         }