Init

Packages/PICO Unity Integration SDK-3.3.2-20251111/Assets/Resources/Shader/PXR_Texture2DBlit.shader

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+Shader "PXR_SDK/PXR_Texture2DBlit" {
+    Properties{
+        _MainTex("Base (RGB) Trans (A)", 2D) = "white" {}
+        _premultiply("Pre-multiply alpha", Int) = 0
+        _Gamma("Gamma", Range(0.1, 5)) = 1.0
+
+    }
+    SubShader{
+        Tags{ "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" }
+
+        Pass{            
+            ZTest Always
+            ZWrite Off            
+            Cull Off
+
+            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;
+                float _Gamma;
+
+                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 (_premultiply)
+                        col.rgb *= col.a;
+
+                    if(_Gamma != 1)
+                        col.rgb = pow(col.rgb, _Gamma);
+
+                    return col;
+                }
+            ENDCG
+        }
+    }
+}