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Assets/Alloy/Shaders/Deferred/ReflectionAdd.cginc

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+// Alloy Physical Shader Framework
+// Copyright 2013-2017 RUST LLC.
+// http://www.alloy.rustltd.com/
+
+/////////////////////////////////////////////////////////////////////////////////
+/// @file ReflectionAdd.cginc
+/// @brief Deferred reflection buffer add pass vertex & fragment shaders.
+/////////////////////////////////////////////////////////////////////////////////
+
+#ifndef ALLOY_SHADERS_DEFERRED_REFLECTION_ADD_CGINC
+#define ALLOY_SHADERS_DEFERRED_REFLECTION_ADD_CGINC
+
+#include "UnityCG.cginc"
+
+sampler2D _CameraReflectionsTexture;
+
+struct AFragmentInput {
+    float2 uv : TEXCOORD0;
+    float4 pos : SV_POSITION;
+};
+
+AFragmentInput aMainVertexShader(
+    float3 vertex : POSITION)
+{
+    AFragmentInput o;
+    o.pos = UnityObjectToClipPos(vertex);
+    o.uv = ComputeScreenPos(o.pos).xy;
+    return o;
+}
+
+half4 aMainFragmentShader(
+    AFragmentInput i) : SV_Target
+{
+    half4 c = tex2D(_CameraReflectionsTexture, i.uv);
+#ifdef UNITY_HDR_ON
+    return float4(c.rgb, 0.0f);
+#else
+    return float4(exp2(-c.rgb), 0.0f);
+#endif
+}
+
+#endif // ALLOY_SHADERS_DEFERRED_REFLECTION_ADD_CGINC