Integer noise algorhitm.

Author: przemyslawzaworski

Diff for: integer_hash.shader

@@ -0,0 +1,46 @@
+//source: https://www.shadertoy.com/view/XlXcW4
+Shader "Integer Hash"
+{
+	Subshader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vertex_shader
+			#pragma fragment pixel_shader
+			#pragma target 4.0
+
+			static const uint k = 1103515245U;
+			
+			struct custom_type
+			{
+				float4 vertex : SV_POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			float3 hash( uint3 x )
+			{
+				x = ((x>>8U)^x.yzx)*k;
+				x = ((x>>8U)^x.yzx)*k;
+				x = ((x>>8U)^x.yzx)*k;				
+				return float3(x)*(1.0/float(0xffffffffU));
+			}
+			
+			custom_type vertex_shader (float4 vertex:POSITION, float2 uv:TEXCOORD0)
+			{
+				custom_type vs;
+				vs.vertex = UnityObjectToClipPos (vertex);
+				vs.uv = uv;
+				return vs;
+			}
+
+			float4 pixel_shader (custom_type ps) : COLOR
+			{
+				uint2 resolution = uint2 (1024,1024);
+				uint3 p = uint3(ps.uv.xy*resolution,_Time.g*60);
+				return float4(hash(p),1.0);	
+			}
+			ENDCG
+		}
+	}
+}