// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)' /** * Gaussian Blur * * Author(s): Flying Banana * Date Created: 25-Jul-2015 */ /** * This is a two-pass blur shader. Performance-wise this gives the best result. */ Shader "UI/Blur/UIBlur" { Properties { _TintColor ("Tint Color", Color) = (1, 1, 1, 0.2) _Size ("Spacing", Range(0, 10)) = 5.0 _Vibrancy ("Vibrancy", Range(0, 2)) = 0.2 [HideInInspector] _StencilComp ("Stencil Comparison", Float) = 8 [HideInInspector] _Stencil ("Stencil ID", Float) = 0 [HideInInspector] _StencilOp ("Stencil Operation", Float) = 0 [HideInInspector] _StencilWriteMask ("Stencil Write Mask", Float) = 255 [HideInInspector] _StencilReadMask ("Stencil Read Mask", Float) = 255 } Category { // We must be transparent, so other objects are drawn before this one. Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Opaque" } Stencil { Ref [_Stencil] Comp [_StencilComp] Pass [_StencilOp] ReadMask [_StencilReadMask] WriteMask [_StencilWriteMask] } SubShader { GrabPass { Tags { "LightMode" = "Always" } } // Vertical blur Pass { Name "VERTICAL" Tags { "LightMode" = "Always" } CGPROGRAM #pragma vertex vert #pragma fragment frag #pragma fragmentoption ARB_precision_hint_fastest #include "UnityCG.cginc" struct appdata_t { float4 vertex : POSITION; float2 texcoord: TEXCOORD0; }; struct v2f { float4 vertex : POSITION; float4 uvgrab : TEXCOORD0; }; v2f vert (appdata_t v) { v2f o; o.vertex = UnityObjectToClipPos(v.vertex); #if UNITY_UV_STARTS_AT_TOP float scale = -1.0; #else float scale = 1.0; #endif o.uvgrab.xy = (float2(o.vertex.x, o.vertex.y*scale) + o.vertex.w) * 0.5; o.uvgrab.zw = o.vertex.zw; return o; } sampler2D _GrabTexture; float4 _GrabTexture_TexelSize; float _Size; half4 frag( v2f i ) : COLOR { half4 sum = half4(0,0,0,0); #define GRABPIXEL(weight,kernely) tex2Dproj( _GrabTexture, UNITY_PROJ_COORD(float4(i.uvgrab.x, i.uvgrab.y + _GrabTexture_TexelSize.y * kernely * _Size * 1.61, i.uvgrab.z, i.uvgrab.w))) * weight sum += GRABPIXEL(0.05, -4.0); sum += GRABPIXEL(0.09, -3.0); sum += GRABPIXEL(0.12, -2.0); sum += GRABPIXEL(0.15, -1.0); sum += GRABPIXEL(0.18, 0.0); sum += GRABPIXEL(0.15, +1.0); sum += GRABPIXEL(0.12, +2.0); sum += GRABPIXEL(0.09, +3.0); sum += GRABPIXEL(0.05, +4.0); return sum; } ENDCG } GrabPass { Tags { "LightMode" = "Always" } } // Horizontal blur Pass { Name "HORIZONTAL" Tags { "LightMode" = "Always" } CGPROGRAM #pragma vertex vert #pragma fragment frag #pragma fragmentoption ARB_precision_hint_fastest #include "UnityCG.cginc" struct appdata_t { float4 vertex : POSITION; float2 texcoord: TEXCOORD0; }; struct v2f { float4 vertex : POSITION; float4 uvgrab : TEXCOORD0; }; v2f vert (appdata_t v) { v2f o; o.vertex = UnityObjectToClipPos(v.vertex); #if UNITY_UV_STARTS_AT_TOP float scale = -1.0; #else float scale = 1.0; #endif o.uvgrab.xy = (float2(o.vertex.x, o.vertex.y*scale) + o.vertex.w) * 0.5; o.uvgrab.zw = o.vertex.zw; return o; } sampler2D _GrabTexture; float4 _GrabTexture_TexelSize; float _Size; half4 frag( v2f i ) : COLOR { half4 sum = half4(0,0,0,0); #define GRABPIXEL(weight,kernelx) tex2Dproj( _GrabTexture, UNITY_PROJ_COORD(float4(i.uvgrab.x + _GrabTexture_TexelSize.x * kernelx * _Size * 1.61, i.uvgrab.y, i.uvgrab.z, i.uvgrab.w))) * weight sum += GRABPIXEL(0.05, -4.0); sum += GRABPIXEL(0.09, -3.0); sum += GRABPIXEL(0.12, -2.0); sum += GRABPIXEL(0.15, -1.0); sum += GRABPIXEL(0.18, 0.0); sum += GRABPIXEL(0.15, +1.0); sum += GRABPIXEL(0.12, +2.0); sum += GRABPIXEL(0.09, +3.0); sum += GRABPIXEL(0.05, +4.0); return sum; } ENDCG } GrabPass { Tags { "LightMode" = "Always" } } // Vertical blur Pass { Name "VERTICAL" Tags { "LightMode" = "Always" } CGPROGRAM #pragma vertex vert #pragma fragment frag #pragma fragmentoption ARB_precision_hint_fastest #include "UnityCG.cginc" struct appdata_t { float4 vertex : POSITION; float2 texcoord: TEXCOORD0; }; struct v2f { float4 vertex : POSITION; float4 uvgrab : TEXCOORD0; }; v2f vert (appdata_t v) { v2f o; o.vertex = UnityObjectToClipPos(v.vertex); #if UNITY_UV_STARTS_AT_TOP float scale = -1.0; #else float scale = 1.0; #endif o.uvgrab.xy = (float2(o.vertex.x, o.vertex.y*scale) + o.vertex.w) * 0.5; o.uvgrab.zw = o.vertex.zw; return o; } sampler2D _GrabTexture; float4 _GrabTexture_TexelSize; float _Size; half4 frag( v2f i ) : COLOR { half4 sum = half4(0,0,0,0); #define GRABPIXEL(weight,kernely) tex2Dproj( _GrabTexture, UNITY_PROJ_COORD(float4(i.uvgrab.x, i.uvgrab.y + _GrabTexture_TexelSize.y * kernely * _Size, i.uvgrab.z, i.uvgrab.w))) * weight sum += GRABPIXEL(0.05, -4.0); sum += GRABPIXEL(0.09, -3.0); sum += GRABPIXEL(0.12, -2.0); sum += GRABPIXEL(0.15, -1.0); sum += GRABPIXEL(0.18, 0.0); sum += GRABPIXEL(0.15, +1.0); sum += GRABPIXEL(0.12, +2.0); sum += GRABPIXEL(0.09, +3.0); sum += GRABPIXEL(0.05, +4.0); return sum; } ENDCG } GrabPass { Tags { "LightMode" = "Always" } } // Horizontal blur Pass { Name "HORIZONTAL" Tags { "LightMode" = "Always" } CGPROGRAM #pragma vertex vert #pragma fragment frag #pragma fragmentoption ARB_precision_hint_fastest #include "UnityCG.cginc" struct appdata_t { float4 vertex : POSITION; float2 texcoord: TEXCOORD0; }; struct v2f { float4 vertex : POSITION; float4 uvgrab : TEXCOORD0; }; v2f vert (appdata_t v) { v2f o; o.vertex = UnityObjectToClipPos(v.vertex); #if UNITY_UV_STARTS_AT_TOP float scale = -1.0; #else float scale = 1.0; #endif o.uvgrab.xy = (float2(o.vertex.x, o.vertex.y*scale) + o.vertex.w) * 0.5; o.uvgrab.zw = o.vertex.zw; return o; } sampler2D _GrabTexture; float4 _GrabTexture_TexelSize; float _Size; half4 frag( v2f i ) : COLOR { half4 sum = half4(0,0,0,0); #define GRABPIXEL(weight,kernelx) tex2Dproj(_GrabTexture, UNITY_PROJ_COORD(float4(i.uvgrab.x + _GrabTexture_TexelSize.x * kernelx * _Size, i.uvgrab.y, i.uvgrab.z, i.uvgrab.w))) * weight sum += GRABPIXEL(0.05, -4.0); sum += GRABPIXEL(0.09, -3.0); sum += GRABPIXEL(0.12, -2.0); sum += GRABPIXEL(0.15, -1.0); sum += GRABPIXEL(0.18, 0.0); sum += GRABPIXEL(0.15, +1.0); sum += GRABPIXEL(0.12, +2.0); sum += GRABPIXEL(0.09, +3.0); sum += GRABPIXEL(0.05, +4.0); return sum; } ENDCG } // Distortion GrabPass { Tags { "LightMode" = "Always" } } Pass { Tags { "LightMode" = "Always" } CGPROGRAM #pragma vertex vert #pragma fragment frag #pragma fragmentoption ARB_precision_hint_fastest #include "UnityCG.cginc" struct appdata_t { float4 vertex : POSITION; float2 texcoord: TEXCOORD0; }; struct v2f { float4 vertex : POSITION; float4 uvgrab : TEXCOORD0; }; v2f vert (appdata_t v) { v2f o; o.vertex = UnityObjectToClipPos(v.vertex); #if UNITY_UV_STARTS_AT_TOP float scale = -1.0; #else float scale = 1.0; #endif o.uvgrab.xy = (float2(o.vertex.x, o.vertex.y*scale) + o.vertex.w) * 0.5; o.uvgrab.zw = o.vertex.zw; return o; } half4 _TintColor; float _Vibrancy; sampler2D _GrabTexture; float4 _GrabTexture_TexelSize; half4 frag( v2f i ) : COLOR { half4 col = tex2Dproj( _GrabTexture, UNITY_PROJ_COORD(i.uvgrab)); col.xyz *= 1 + _Vibrancy; col = lerp (col, _TintColor, _TintColor.w); return col; } ENDCG } } } }