[Add] Synaptic AI Pro

https://assetstore.unity.com/packages/tools/generative-ai/synaptic-ai-pro-natural-language-control-for-unity-336030

Assets/Synaptic AI Pro/Shaders/SkySphere/SynapticSkySphere.shader

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+Shader "Synaptic/SkySphere"
+{
+    Properties
+    {
+        _MainTex ("Texture", 2D) = "white" {}
+        _Tint ("Tint Color", Color) = (1,1,1,1)
+    }
+
+    // URP SubShader
+    SubShader
+    {
+        PackageRequirements { "com.unity.render-pipelines.universal" }
+        Tags { "RenderType"="Background" "Queue"="Background" "RenderPipeline"="UniversalPipeline" }
+
+        Pass
+        {
+            Name "SkySphereURP"
+            Cull Front
+            ZWrite Off
+
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct Varyings
+            {
+                float4 positionCS : SV_POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            TEXTURE2D(_MainTex);
+            SAMPLER(sampler_MainTex);
+
+            CBUFFER_START(UnityPerMaterial)
+                float4 _MainTex_ST;
+                float4 _Tint;
+            CBUFFER_END
+
+            Varyings vert(Attributes IN)
+            {
+                Varyings OUT;
+                OUT.positionCS = TransformObjectToHClip(IN.positionOS.xyz);
+                OUT.uv = TRANSFORM_TEX(IN.uv, _MainTex);
+                return OUT;
+            }
+
+            half4 frag(Varyings IN) : SV_Target
+            {
+                half4 col = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv) * _Tint;
+                return col;
+            }
+            ENDHLSL
+        }
+    }
+
+    // HDRP SubShader
+    SubShader
+    {
+        PackageRequirements { "com.unity.render-pipelines.high-definition" }
+        Tags { "RenderType"="Background" "Queue"="Background" "RenderPipeline"="HDRenderPipeline" }
+
+        Pass
+        {
+            Name "SkySphereHDRP"
+            Cull Front
+            ZWrite Off
+
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
+            #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct Varyings
+            {
+                float4 positionCS : SV_POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            TEXTURE2D(_MainTex);
+            SAMPLER(sampler_MainTex);
+            float4 _MainTex_ST;
+            float4 _Tint;
+
+            Varyings vert(Attributes IN)
+            {
+                Varyings OUT;
+                OUT.positionCS = TransformObjectToHClip(IN.positionOS.xyz);
+                OUT.uv = IN.uv * _MainTex_ST.xy + _MainTex_ST.zw;
+                return OUT;
+            }
+
+            half4 frag(Varyings IN) : SV_Target
+            {
+                half4 col = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv) * _Tint;
+                return col;
+            }
+            ENDHLSL
+        }
+    }
+
+    // Built-in Render Pipeline fallback
+    SubShader
+    {
+        Tags { "RenderType"="Background" "Queue"="Background" }
+
+        Pass
+        {
+            Name "SkySphereBuiltIn"
+            Cull Front
+            ZWrite Off
+
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            sampler2D _MainTex;
+            float4 _MainTex_ST;
+            float4 _Tint;
+
+            v2f vert(appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+                return o;
+            }
+
+            fixed4 frag(v2f i) : SV_Target
+            {
+                fixed4 col = tex2D(_MainTex, i.uv) * _Tint;
+                return col;
+            }
+            ENDCG
+        }
+    }
+
+    FallBack Off
+}