UnityFullscreenShaderTemplate.shader

// Created based on the shadergraph for full screen shaders
// Read more: https://docs.unity3d.com/Packages/com.unity.render-pipelines.universal@16.0/manual/post-processing/post-processing-custom-effect-low-code.html
// This shader can be used in the place of the FullScreen Shader Graph
// Add your logic to "TODO: Add custom logic here"

Shader "CustomTemplate/FullscreenShader"
{
    Properties
    {
        // [HideInInspector][NoScaleOffset]unity_Lightmaps("unity_Lightmaps", 2DArray) = "" {}
        // [HideInInspector][NoScaleOffset]unity_LightmapsInd("unity_LightmapsInd", 2DArray) = "" {}
        // [HideInInspector][NoScaleOffset]unity_ShadowMasks("unity_ShadowMasks", 2DArray) = "" {}
    }
    SubShader
    {
        Tags
        {
            "RenderPipeline"="UniversalPipeline"
        }
        Pass
        {
            Name "FullscreenEffectPass"
        
        // Render State
        Cull Off
        Blend Off
        ZTest Off
        ZWrite Off
        
        // --------------------------------------------------
        // Pass
        
        HLSLPROGRAM
        
        // Pragmas
        #pragma target 3.0
        #pragma vertex vert
        #pragma fragment frag
        // #pragma enable_d3d11_debug_symbols
        
        
        // Defines
        #define ATTRIBUTES_NEED_TEXCOORD0
        #define ATTRIBUTES_NEED_TEXCOORD1
        #define ATTRIBUTES_NEED_VERTEXID
        #define VARYINGS_NEED_TEXCOORD0
        #define VARYINGS_NEED_TEXCOORD1
        
        // Includes
        #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
        
        // --------------------------------------------------
        // Structs and Packing
        
        struct Attributes
        {
            #if UNITY_ANY_INSTANCING_ENABLED || defined(ATTRIBUTES_NEED_INSTANCEID)
             uint instanceID : INSTANCEID_SEMANTIC;
            #endif
             uint vertexID : VERTEXID_SEMANTIC;
        };
        struct SurfaceDescriptionInputs
        {
             float2 NDCPosition;
        };
        struct Varyings
        {
             float4 positionCS : SV_POSITION;
             float4 texCoord0;
             float4 texCoord1;
            #if UNITY_ANY_INSTANCING_ENABLED || defined(VARYINGS_NEED_INSTANCEID)
             uint instanceID : CUSTOM_INSTANCE_ID;
            #endif
            #if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
             uint stereoTargetEyeIndexAsBlendIdx0 : BLENDINDICES0;
            #endif
            #if (defined(UNITY_STEREO_INSTANCING_ENABLED))
             uint stereoTargetEyeIndexAsRTArrayIdx : SV_RenderTargetArrayIndex;
            #endif
        };
        struct VertexDescriptionInputs
        {
        };
        struct PackedVaryings
        {
             float4 positionCS : SV_POSITION;
             float4 texCoord0 : INTERP0;
             float4 texCoord1 : INTERP1;
            #if UNITY_ANY_INSTANCING_ENABLED || defined(VARYINGS_NEED_INSTANCEID)
             uint instanceID : CUSTOM_INSTANCE_ID;
            #endif
            #if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
             uint stereoTargetEyeIndexAsBlendIdx0 : BLENDINDICES0;
            #endif
            #if (defined(UNITY_STEREO_INSTANCING_ENABLED))
             uint stereoTargetEyeIndexAsRTArrayIdx : SV_RenderTargetArrayIndex;
            #endif
        };
        
        PackedVaryings PackVaryings (Varyings input)
        {
            PackedVaryings output;
            ZERO_INITIALIZE(PackedVaryings, output);
            output.positionCS = input.positionCS;
            output.texCoord0.xyzw = input.texCoord0;
            output.texCoord1.xyzw = input.texCoord1;
            #if UNITY_ANY_INSTANCING_ENABLED || defined(VARYINGS_NEED_INSTANCEID)
            output.instanceID = input.instanceID;
            #endif
            #if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
            output.stereoTargetEyeIndexAsBlendIdx0 = input.stereoTargetEyeIndexAsBlendIdx0;
            #endif
            #if (defined(UNITY_STEREO_INSTANCING_ENABLED))
            output.stereoTargetEyeIndexAsRTArrayIdx = input.stereoTargetEyeIndexAsRTArrayIdx;
            #endif
            return output;
        }
        
        Varyings UnpackVaryings (PackedVaryings input)
        {
            Varyings output;
            output.positionCS = input.positionCS;
            output.texCoord0 = input.texCoord0.xyzw;
            output.texCoord1 = input.texCoord1.xyzw;
            #if UNITY_ANY_INSTANCING_ENABLED || defined(VARYINGS_NEED_INSTANCEID)
            output.instanceID = input.instanceID;
            #endif
            #if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
            output.stereoTargetEyeIndexAsBlendIdx0 = input.stereoTargetEyeIndexAsBlendIdx0;
            #endif
            #if (defined(UNITY_STEREO_INSTANCING_ENABLED))
            output.stereoTargetEyeIndexAsRTArrayIdx = input.stereoTargetEyeIndexAsRTArrayIdx;
            #endif
            return output;
        }
        
        
        // --------------------------------------------------
        // Graph
        
        // Graph Properties
        CBUFFER_START(UnityPerMaterial)
        // UNITY_TEXTURE_STREAMING_DEBUG_VARS;
        CBUFFER_END
        
        
        float _FlipY;
        
        TEXTURE2D_X(_BlitTexture);
        float4 URP_SampleBuffer_GetScreenTexture(float2 uv)
        {
            uint2 pixelCoords = uint2(uv * _ScreenSize.xy);
            return LOAD_TEXTURE2D_X_LOD(_BlitTexture, pixelCoords, 0);
        }
        
        // Graph Pixel
        struct SurfaceDescription
        {
            float3 BaseColor;
            float Alpha;
        };
        
        SurfaceDescription SurfaceDescriptionFunction(SurfaceDescriptionInputs IN)
        {
            SurfaceDescription surface = (SurfaceDescription)0;
            float2 uv = IN.NDCPosition.xy;
            float4 col = URP_SampleBuffer_GetScreenTexture(uv);

            // TODO: Add custom logic here

            surface.BaseColor = col.rgb + 0.5;
            surface.Alpha = float(1);
            return surface;
        }
        
        SurfaceDescriptionInputs BuildSurfaceDescriptionInputs(Varyings input)
        {
            SurfaceDescriptionInputs output;
            ZERO_INITIALIZE(SurfaceDescriptionInputs, output);
        
            output.NDCPosition = input.texCoord0.xy;
        
            return output;
        }
        
        // --------------------------------------------------
        // Main
        
        #include "Packages/com.unity.shadergraph/Editor/Generation/Targets/Fullscreen/Includes/FullscreenCommon.hlsl"
        #include "Packages/com.unity.shadergraph/Editor/Generation/Targets/Fullscreen/Includes/FullscreenDrawProcedural.hlsl"
        
        ENDHLSL
        }
    }
    CustomEditor "UnityEditor.Rendering.Fullscreen.ShaderGraph.FullscreenShaderGUI"
    FallBack "Hidden/Shader Graph/FallbackError"
}