diff --git a/src/content_script/fcn_bindings.js b/src/content_script/fcn_bindings.js
index af00174..5be6f75 100644
--- a/src/content_script/fcn_bindings.js
+++ b/src/content_script/fcn_bindings.js
@@ -189,6 +189,7 @@ var glpFcnBindings = {
     },
     bindFramebuffer: function(original, args, name) {
       this.glp().bufferViewer.bindFramebuffer(args[1]);
+      this.glp().pixelInspector.bindFrameBuffer(args[1])
       return original.apply(this, args);
     },
     unbindFramebuffer: function(original, args, name) {
@@ -209,6 +210,7 @@ var glpFcnBindings = {
     },
     bindRenderbuffer: function(original, args, name) {
       this.glp().bufferViewer.bindRenderbuffer(args[1]);
+      this.glp().pixelInspector.bindRenderBuffer(args[1])
       return original.apply(this, args);
     },
     unbindRenderbuffer: function(original, args, name) {
diff --git a/src/content_script/pixel_inspector.js b/src/content_script/pixel_inspector.js
index 3059a90..1f298b8 100644
--- a/src/content_script/pixel_inspector.js
+++ b/src/content_script/pixel_inspector.js
@@ -14,6 +14,8 @@ var glpPixelInspector = function (gl) {
   this.originalPrograms = {};
   this.locationMap = {};
   this.enabled = false;
+  this.framebufferIsBound = false;
+  this.renderbufferIsBound = false;
 }
 
 /**
@@ -94,6 +96,9 @@ glpPixelInspector.prototype.applyUniform = function (uniform) {
  * @return {WebGLShader} Pixel Inspector Shader
  */
 glpPixelInspector.prototype.enable = function() {
+    if (this.framebufferIsBound || this.renderbufferIsBound) {
+      return;
+    }
     this.blendProp = this.gl.getParameter(this.gl.BLEND);
     this.gl.enable(this.gl.BLEND);
 
@@ -146,6 +151,28 @@ glpPixelInspector.prototype.disable = function() {
     }
 }
 
+glpPixelInspector.prototype.bindFrameBuffer = function(enable) {
+  this.framebufferIsBound = !!enable;
+  this.toggleByBuffer(!!enable);
+}
+
+glpPixelInspector.prototype.bindRenderBuffer = function(enable) {
+  this.renderbufferIsBound = !!enable;
+  this.toggleByBuffer(!!enable);
+}
+
+glpPixelInspector.prototype.toggleByBuffer = function(enable) {
+  if (!this.enabled) {
+    return;
+  }
+
+  if (!this.framebufferIsBound && !this.renderbufferIsBound) {
+    this.enable();
+  } else {
+    this.disable();
+  }
+}
+
 /**
  * Copies uniforms from oldProgram to newProgram
  */