Initial Commit

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

@@ -0,0 +1,63 @@
+Shader "Oculus/Texture2D Blit" {
+    Properties{
+        _MainTex("Base (RGB) Trans (A)", 2D) = "white" {}
+        _premultiply("Pre-multiply alpha", Int) = 0
+        _flip("Y-Flip", 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 _premultiply;
+                int _flip;
+
+                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
+                {
+#if SHADER_API_D3D11
+                    if (_flip)
+                    {
+                            i.texcoord.y = 1.0f - i.texcoord.y;
+                    }
+#endif
+                    fixed4 col = tex2D(_MainTex, i.texcoord);
+
+                    if (_premultiply)
+                        col.rgb *= col.a;
+
+                    return col;
+                }
+            ENDCG
+        }
+    }
+}