Initial Commit

Assets/Oculus/VR/Resources/Texture2D Blit.shader

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+Shader "Oculus/Texture2D Blit" {
+    Properties{
+        _MainTex("Base (RGB) Trans (A)", 2D) = "white" {}
+        _linearToSrgb("Perform linear-to-gamma conversion", Int) = 0
+        _premultiply("Pre-multiply alpha", Int) = 0
+    }
+    SubShader{
+        Tags{ "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" }
+
+        Pass{
+            ZWrite Off
+            ColorMask RGBA
+
+			CGPROGRAM
+				#pragma vertex vert
+				#pragma fragment frag
+				
+				#include "UnityCG.cginc"
+
+				struct appdata_t
+				{
+					float4 vertex : POSITION;
+					float2 texcoord : TEXCOORD0;
+				};
+
+				struct v2f
+				{
+					float4 vertex : SV_POSITION;
+					half2 texcoord : TEXCOORD0;
+				};
+
+				sampler2D _MainTex;
+				float4 _MainTex_ST;
+				int _linearToSrgb;
+				int _premultiply;
+
+				v2f vert (appdata_t v)
+				{
+					v2f o;
+					o.vertex = UnityObjectToClipPos(v.vertex);
+					o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
+					return o;
+				}
+				
+				fixed4 frag (v2f i) : COLOR
+				{
+					fixed4 col = tex2D(_MainTex, i.texcoord);
+					if (_linearToSrgb)
+					{
+						float3 S1 = sqrt(col.rgb);
+						float3 S2 = sqrt(S1);
+						float3 S3 = sqrt(S2);
+						col.rgb = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * col.rgb;
+					}
+
+					if (_premultiply)
+						col.rgb *= col.a;
+
+					return col;
+				}
+			ENDCG
+		}
+    }
+}