JohannesMP

Shader "Custom/UIBlur"
{

    Properties
    {
        [Toggle(IS_BLUR_ALPHA_MASKED)] _IsAlphaMasked("Image Alpha Masks Blur", Float) = 1
        [Toggle(IS_SPRITE_VISIBLE)] _IsSpriteVisible("Show Image", Float) = 1

        // Internally enforced by MAX_RADIUS
        _Radius("Blur Radius", Range(0, 64)) = 1

unitycoder

public LayerMask layerMask = 1 << 0; // default layer (0)
public LayerMask layerMask2 = ~0; // everything
public LayerMask layerMask2b = -1; // everything
public LayerMask layerMask3 = default;// nothing
public LayerMask layerMask4 = 0;// nothing
public LayerMask layerMask4b; // nothing
public LayerMask layerMask5 = 1 << 5;// layer 5 (UI)
public LayerMask layerMask6 = 1 << 2 | 1 << 5;// Ignore Raycast (Layer 2) AND UI (Layer 5)
public LayerMask layerMask7 = ~(1 << 4 | 1 << 5); // all except layer 4 and 5
public LayerMask layerMask8 = ~(1 << 4); // all except layer 4

thelucre

// Source: http://forum.unity3d.com/threads/webgl-transparent-background.284699/#post-1880667
// Clears the WebGL context alpha so you can have a transparent Unity canvas above DOM content
// Add this .jslib to your project et voila!
var LibraryGLClear = {
		glClear: function(mask)
		{
				if (mask == 0x00004000)
				{
						var v = GLctx.getParameter(GLctx.COLOR_WRITEMASK);
						if (!v[0] && !v[1] && !v[2] && v[3])