Lumina-GI/Runtime/HDRP/Scripts/CopyPass/CustomCopy.shader

Shader "Hidden/FullScreen/CustomCopy"
{
    HLSLINCLUDE

  

   

    ENDHLSL


    SubShader
    {
        Pass
        {
            Name "Normal"

            ZWrite Off
            ZTest Always
            Blend Off
            Cull Off

            HLSLPROGRAM
		  #pragma vertex Vert

	#pragma target 4.5
	#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch
		 #include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassCommon.hlsl"

	float4 _Scale;
	float4 SampleBuffer(PositionInputs posInput);

	float4 FullScreenPass(Varyings varyings) : SV_Target
	{
		UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(varyings);
		float depth = LoadCameraDepth(varyings.positionCS.xy);
		PositionInputs posInput = GetPositionInput(varyings.positionCS.xy, _ScreenSize.zw, depth, UNITY_MATRIX_I_VP, UNITY_MATRIX_V);

		return SampleBuffer(posInput);
	}

            #pragma fragment FullScreenPass

            #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/NormalBuffer.hlsl"
            float4 SampleBuffer(PositionInputs posInput)
            {
                NormalData normalData;
                DecodeFromNormalBuffer(posInput.positionSS.xy*_Scale, normalData);//v1.0k

                return float4(normalData.normalWS, 1);
            }

            ENDHLSL
        }

        Pass
        {
            Name "Roughness"

            ZWrite Off
            ZTest Always
            Blend Off
            Cull Off

            HLSLPROGRAM
				  #pragma vertex Vert

	#pragma target 4.5
	#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch
				 #include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassCommon.hlsl"

	float4 _Scale;
	float4 SampleBuffer(PositionInputs posInput);

	float4 FullScreenPass(Varyings varyings) : SV_Target
	{
		UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(varyings);
		float depth = LoadCameraDepth(varyings.positionCS.xy);
		PositionInputs posInput = GetPositionInput(varyings.positionCS.xy, _ScreenSize.zw, depth, UNITY_MATRIX_I_VP, UNITY_MATRIX_V);

		return SampleBuffer(posInput);
	}

            #pragma fragment FullScreenPass

            #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/NormalBuffer.hlsl"
            float4 SampleBuffer(PositionInputs posInput)
            {
                NormalData normalData;
                DecodeFromNormalBuffer(posInput.positionSS.xy*_Scale, normalData);//v1.0k

                return float4(normalData.perceptualRoughness, 0, 0, 1);
            }

            ENDHLSL
        }

        Pass
			{
				Name "Depth"

				ZWrite Off
				ZTest Always
				Blend Off
				Cull Off

				HLSLPROGRAM


				/*
				//#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
				#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/API/D3D11.hlsl"
					#include "UnityCG.cginc"
					#pragma vertex vert
					#pragma fragment frag
				struct v2f
				{
					float4 pos : SV_POSITION;
					float4 uv : TEXCOORD0;

					#if UNITY_UV_STARTS_AT_TOP
					half4 uv2 : TEXCOORD1;
					#endif
				};

				v2f vert(appdata_img v)
				{
					v2f o;

					o.pos = UnityObjectToClipPos(v.vertex);
					o.uv = float4(v.texcoord.xy, 1, 1);
					//o.uv = ComputeScreenPos(o.pos);

					#if UNITY_UV_STARTS_AT_TOP
						o.uv2 = float4(v.texcoord.xy, 1, 1);
						//if (_MainTex_TexelSize.y < 0.0)
						//	o.uv.y = 1.0 - o.uv.y;
					#endif

					return o;
		}

					//sampler2D _CameraDepthTexture;
					sampler2D sampler_CameraDepthTexture;
					TEXTURE2D_ARRAY(_CameraDepthTexture);
					//TEXTURE2D_SAMPLER2D(_CameraDepthTexture, sampler_CameraDepthTexture);

			//	float GetDepthTexture(float2 coord)
				//{
	//#if defined(UNITY_REVERSED_Z)
	//				return 1.0 - tex2Dlod(_CameraDepthTexture, float4(coord.x, coord.y, 0.0, 0.0)).x;
	//#else
	//				return tex2Dlod(_CameraDepthTexture, float4(coord.x, coord.y, 0.0, 0.0)).x;
	//#endif
	//			}
//#define LOAD_TEXTURE2D_ARRAY(textureName, unCoord2, index)                      textureName.Load(int4(unCoord2, index, 0))
				//#define SAMPLE_DEPTH_TEXTURE(textureName, samplerName, coord2)          SAMPLE_TEXTURE2D(textureName, samplerName, coord2).r
				float4 frag(v2f input) : SV_Target
				{
					//float depth = GetDepthTexture(input.uv);
					
				float2 uv = input.uv.xy / input.uv.w;
				float depth = LOAD_TEXTURE2D_ARRAY(_CameraDepthTexture, uv* float2(1073,632),0 );// SAMPLE_DEPTH_TEXTURE(_CameraDepthTexture, uv);
				//float depth = UNITY_SAMPLE_TEX2DARRAY_LOD(_CameraDepthTexture, float4(uv* float2(1073, 632),0,0),0);
				//float depth = SAMPLE_DEPTH_TEXTURE_LOD(_CameraDepthTexture, sampler_CameraDepthTexture, uv* float2(1073, 632),0);
				float linearDepth = 1-pow(Linear01Depth(depth),0.02);

				return float4(1, 1, 1, 1)*linearDepth;
				}
				*/


							  #pragma vertex Vert

	#pragma target 4.5
	#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch
				 #include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassCommon.hlsl"

	float4 _Scale;
	float4 SampleBuffer(PositionInputs posInput);

	float4 FullScreenPass(Varyings varyings) : SV_Target
	{
		UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(varyings);
		float depth = LoadCameraDepth(varyings.positionCS.xy);
		PositionInputs posInput = GetPositionInput(varyings.positionCS.xy, _ScreenSize.zw, depth, UNITY_MATRIX_I_VP, UNITY_MATRIX_V);
		float linearDepth = Linear01Depth(depth, _ZBufferParams);
		return depth * float4(1, 1, 1, 1);

		return SampleBuffer(posInput);
	}
			


            #pragma fragment FullScreenPass

            #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/NormalBuffer.hlsl"				

			//	sampler2D _CameraDepthTexture;
            float4 SampleBuffer(PositionInputs posInput)
            {
				

				return float4(posInput.linearDepth, 0, 0, 1);
            }
			

            ENDHLSL
        }
    }
    Fallback Off
}