Firts commit.

Author: przemyslawzaworski

filmic_tonemapping.shader

@@ -0,0 +1,49 @@
+//reference: "Filmic Tonemapping for Real-time Rendering" Siggraph 2010 Course by Haarm-Pieter Duiker.
+Shader "Filmic tonemapping"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+	}
+	Subshader
+	{	
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vertex_shader
+			#pragma fragment pixel_shader
+			#pragma target 3.0
+
+			sampler2D _MainTex;
+			
+			struct custom_type
+			{
+				float4 vertex : SV_POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			float4 filmic_tonemapping(float3 x)
+			{
+				x = max(float3(0,0,0), x - float3(0.004,0.004,0.004));
+				x = (x * (6.2 * x + .5)) / (x * (6.2 * x + 1.7) + 0.06);
+				return float4(x,1.0);
+			}
+
+			custom_type vertex_shader (float4 vertex:POSITION, float2 uv:TEXCOORD0)
+			{
+				custom_type vs;
+				vs.vertex = mul (UNITY_MATRIX_MVP,vertex);
+				vs.uv = uv;
+				return vs;
+			}
+
+			float4 pixel_shader (custom_type ps) : COLOR
+			{
+				float2 u = ps.uv.xy;
+				float4 color = tex2D(_MainTex,u);
+				return filmic_tonemapping(color);
+			}
+			ENDCG
+		}
+	}
+}