Update Shader API Files

Add RW_TEXTURE2D_ARRAY
Add SAMPLE_TEXTURE2D_ARRAY_GRAD
Add GATHER_ALPHA_TEXTURE2D (skipped GL)
Remove offsets from GATHER to make it consistent across APIs

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/D3D11.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName) TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)       RWTexture2D<type> textureName
+#define RW_TEXTURE2D_ARRAY(type, textureName) RWTexture2DArray<type> textureName
 #define RW_TEXTURE3D(type, textureName)       RWTexture3D<type> textureName
 
 #define SAMPLER(samplerName)                  SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                           textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                  textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)          textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)              textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)     textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)   textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                         textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)              textureName.SampleBias(samplerName, coord3, bias)
-#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)            textureName.Sample(samplerName, float4(coord3, index))
-#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)   textureName.SampleLevel(samplerName, float4(coord3, index), lod)
-#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias) textureName.SampleBias(samplerName, float4(coord3, index), bias)
-#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                           textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                  textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                textureName.Sample(samplerName, float4(coord3, index))
+#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       textureName.SampleLevel(samplerName, float4(coord3, index), lod)
+#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     textureName.SampleBias(samplerName, float4(coord3, index), bias)
+#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      textureName.SampleLevel(samplerName, coord3, lod)
 
 #define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                    textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
 #define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)       textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
 #define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)                          textureName.Load(int4(unCoord3, lod))
 
 #define PLATFORM_SUPPORT_GATHER
-#define GATHER_TEXTURE2D(textureName, samplerName, coord2, offset)        textureName.Gather(samplerName, coord2, offset)
-#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index), offset)
+#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                textureName.Gather(samplerName, coord2)
+#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index))
-
-#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2, offset)      textureName.GatherRed(samplerName, coord2, offset)
-#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2, offset)    textureName.GatherGreen(samplerName, coord2, offset)
-#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2, offset)     textureName.GatherBlue(samplerName, coord2, offset)
+#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherRed(samplerName, coord2)
+#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherGreen(samplerName, coord2)
+#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)           textureName.GatherBlue(samplerName, coord2)
+#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherAlpha(samplerName, coord2)

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/GLCore.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName)   TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)         RWTexture2D<type> textureName
+#define RW_TEXTURE2D_ARRAY(type, textureName)   RWTexture2DArray<type> textureName
 #define RW_TEXTURE3D(type, textureName)         RWTexture3D<type> textureName
 
 #define SAMPLER(samplerName)                    SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                          textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                 textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)               textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, ddx, ddy)           textureName.SampleGrad(samplerName, coord2, ddx, ddy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)             textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)    textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)  textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                        textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)               textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)             textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, ddx, ddy)                textureName.SampleGrad(samplerName, coord2, ddx, ddy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
 #ifdef UNITY_NO_CUBEMAP_ARRAY
 #define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)           ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURECUBE_ARRAY)
 #define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)  ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURECUBE_ARRAY_LOD)
 #define GATHER_TEXTURECUBE(textureName, samplerName, coord3)                ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURECUBE)
 #define GATHER_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)   ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURECUBE_ARRAY)
 #endif
+

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/GLES2.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName)           TEXTURECUBE_SHADOW(textureName) // No support to texture array
 
 #define RW_TEXTURE2D(type, textureNam)                  ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture2D)
+#define RW_TEXTURE2D_ARRAY(type, textureName)           ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture2DArray)
 #define RW_TEXTURE3D(type, textureNam)                  ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture3D)
 
 #define SAMPLER(samplerName)
 #define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                     ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURE2D_ARRAY)
 #define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)            ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURE2D_ARRAY_LOD)
 #define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)          ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURE2D_ARRAY_BIAS)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy)    ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURE2D_ARRAY_GRAD)
 #define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                                texCUBE(textureName, coord3)
 // No lod support. Very poor approximation with bias.
 #define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                       SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, lod)

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/GLES3.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName)   TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)         ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture2D)
+#define RW_TEXTURE2D_ARRAY(type, textureName)   ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture2DArray)
 #define RW_TEXTURE3D(type, textureName)         ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture3D)
 
 #define SAMPLER(samplerName)                    SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                          textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                 textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)               textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, ddx, ddy)           textureName.SampleGrad(samplerName, coord2, ddx, ddy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)             textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)    textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)  textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                        textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)               textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)             textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, ddx, ddy)                textureName.SampleGrad(samplerName, coord2, ddx, ddy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
 
 #ifdef UNITY_NO_CUBEMAP_ARRAY
 #define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)           ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURECUBE_ARRAY)
 #define GATHER_TEXTURECUBE(textureName, samplerName, coord3)                ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURECUBE)
 #define GATHER_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)   ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURECUBE_ARRAY)
 #endif
+

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/Metal.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName) TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)       RWTexture2D<type> textureName
+#define RW_TEXTURE2D_ARRAY(type, textureName) RWTexture2DArray<type> textureName
 #define RW_TEXTURE3D(type, textureName)       RWTexture3D<type> textureName
 
 #define SAMPLER(samplerName)                  SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                           textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                  textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)          textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)              textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)     textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)   textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                         textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)              textureName.SampleBias(samplerName, coord3, bias)
-#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)            textureName.Sample(samplerName, float4(coord3, index))
-#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)   textureName.SampleLevel(samplerName, float4(coord3, index), lod)
-#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias) textureName.SampleBias(samplerName, float4(coord3, index), bias)
-#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                           textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                  textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                textureName.Sample(samplerName, float4(coord3, index))
+#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       textureName.SampleLevel(samplerName, float4(coord3, index), lod)
+#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     textureName.SampleBias(samplerName, float4(coord3, index), bias)
+#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      textureName.SampleLevel(samplerName, coord3, lod)
 
 #define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                    textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
 #define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)       textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
 #define LOAD_TEXTURE3D(textureName, unCoord3)                                   textureName.Load(int4(unCoord3, 0))
 #define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)                          textureName.Load(int4(unCoord3, lod))
 
+#define PLATFORM_SUPPORT_GATHER
-
-#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)              textureName.GatherRed(samplerName, coord2)
-#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherGreen(samplerName, coord2)
-#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)             textureName.GatherBlue(samplerName, coord2)
+#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherRed(samplerName, coord2)
+#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherGreen(samplerName, coord2)
+#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)           textureName.GatherBlue(samplerName, coord2)
+#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherAlpha(samplerName, coord2)

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/PSSL.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName) TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)       RW_Texture2D<type> textureName
+#define RW_TEXTURE2D_ARRAY(type, textureName) RW_Texture2D_Array<type> textureName
 #define RW_TEXTURE3D(type, textureName)       RW_Texture3D<type> textureName
 
 #define SAMPLER(samplerName)                  SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                           textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                  textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)          textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)              textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)     textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)   textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                         textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)              textureName.SampleBias(samplerName, coord3, bias)
-#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)            textureName.Sample(samplerName, float4(coord3, index))
-#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)   textureName.SampleLevel(samplerName, float4(coord3, index), lod)
-#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias) textureName.SampleBias(samplerName, float4(coord3, index), bias)
-#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                           textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                  textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                textureName.Sample(samplerName, float4(coord3, index))
+#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       textureName.SampleLevel(samplerName, float4(coord3, index), lod)
+#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     textureName.SampleBias(samplerName, float4(coord3, index), bias)
+#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      textureName.SampleLevel(samplerName, coord3, lod)
 
 #define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                    textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
 #define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)       textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
 #define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)                          textureName.Load(int4(unCoord3, lod))
 
 #define PLATFORM_SUPPORT_GATHER
-#define GATHER_TEXTURE2D(textureName, samplerName, coord2, offset)        textureName.Gather(samplerName, coord2, offset)
-#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index), offset)
+#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                textureName.Gather(samplerName, coord2)
+#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index))
-
-#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2, offset)      textureName.GatherRed(samplerName, coord2, offset)
-#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2, offset)    textureName.GatherGreen(samplerName, coord2, offset)
-#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2, offset)     textureName.GatherBlue(samplerName, coord2, offset)
+#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherRed(samplerName, coord2)
+#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherGreen(samplerName, coord2)
+#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)           textureName.GatherBlue(samplerName, coord2)
+#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherAlpha(samplerName, coord2)

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/Switch.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName) TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)       RWTexture2D<type> textureName
+#define RW_TEXTURE2D_ARRAY(type, textureName) RWTexture2DArray<type> textureName
 #define RW_TEXTURE3D(type, textureName)       RWTexture3D<type> textureName
 
 #define SAMPLER(samplerName)                  SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                           textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                  textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)          textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)              textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)     textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)   textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                         textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)              textureName.SampleBias(samplerName, coord3, bias)
-#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)            textureName.Sample(samplerName, float4(coord3, index))
-#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)   textureName.SampleLevel(samplerName, float4(coord3, index), lod)
-#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias) textureName.SampleBias(samplerName, float4(coord3, index), bias)
-#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                           textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                  textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                textureName.Sample(samplerName, float4(coord3, index))
+#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       textureName.SampleLevel(samplerName, float4(coord3, index), lod)
+#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     textureName.SampleBias(samplerName, float4(coord3, index), bias)
+#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      textureName.SampleLevel(samplerName, coord3, lod)
 
 #define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                    textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
 #define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)       textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
 #define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)              textureName.Load(int4(unCoord3, lod))
 
 #define PLATFORM_SUPPORT_GATHER
-#define GATHER_TEXTURE2D(textureName, samplerName, coord2, offset)        textureName.Gather(samplerName, coord2, offset)
-#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index), offset)
+#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                textureName.Gather(samplerName, coord2)
+#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index))
-
-#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2, offset)      textureName.GatherRed(samplerName, coord2, offset)
-#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2, offset)    textureName.GatherGreen(samplerName, coord2, offset)
-#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2, offset)     textureName.GatherBlue(samplerName, coord2, offset)
+#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherRed(samplerName, coord2)
+#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherGreen(samplerName, coord2)
+#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)           textureName.GatherBlue(samplerName, coord2)
+#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherAlpha(samplerName, coord2)

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/Vulkan.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName) TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)       RWTexture2D<type> textureName
+#define RW_TEXTURE2D_ARRAY(type, textureName) RWTexture2DArray<type> textureName
 #define RW_TEXTURE3D(type, textureName)       RWTexture3D<type> textureName
 
 #define SAMPLER(samplerName)                  SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                           textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                  textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)          textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)              textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)     textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)   textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                         textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)              textureName.SampleBias(samplerName, coord3, bias)
-#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)            textureName.Sample(samplerName, float4(coord3, index))
-#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)   textureName.SampleLevel(samplerName, float4(coord3, index), lod)
-#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias) textureName.SampleBias(samplerName, float4(coord3, index), bias)
-#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                           textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                  textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                textureName.Sample(samplerName, float4(coord3, index))
+#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       textureName.SampleLevel(samplerName, float4(coord3, index), lod)
+#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     textureName.SampleBias(samplerName, float4(coord3, index), bias)
+#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      textureName.SampleLevel(samplerName, coord3, lod)
 
 #define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                    textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
 #define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)       textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
 #define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)                          textureName.Load(int4(unCoord3, lod))
 
 #define PLATFORM_SUPPORT_GATHER
-#define GATHER_TEXTURE2D(textureName, samplerName, coord2, offset)        textureName.Gather(samplerName, coord2, offset)
-#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index), offset)
+#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                textureName.Gather(samplerName, coord2)
+#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index))
-
-#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2, offset)      textureName.GatherRed(samplerName, coord2, offset)
-#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2, offset)    textureName.GatherGreen(samplerName, coord2, offset)
-#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2, offset)     textureName.GatherBlue(samplerName, coord2, offset)
+#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherRed(samplerName, coord2)
+#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherGreen(samplerName, coord2)
+#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)           textureName.GatherBlue(samplerName, coord2)
+#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherAlpha(samplerName, coord2)

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/API/XBoxOne.hlsl

 #define TEXTURECUBE_ARRAY_SHADOW(textureName) TEXTURECUBE_ARRAY(textureName)
 
 #define RW_TEXTURE2D(type, textureName)       RWTexture2D<type> textureName
+#define RW_TEXTURE2D_ARRAY(type, textureName) RWTexture2DArray<type> textureName
 #define RW_TEXTURE3D(type, textureName)       RWTexture3D<type> textureName
 
 #define SAMPLER(samplerName)                  SamplerState samplerName
 #define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)       textureName, samplerName
 #define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName) textureName, samplerName
 
-#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                           textureName.Sample(samplerName, coord2)
-#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                  textureName.SampleLevel(samplerName, coord2, lod)
-#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                textureName.SampleBias(samplerName, coord2, bias)
-#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)          textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
-#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)              textureName.Sample(samplerName, float3(coord2, index))
-#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)     textureName.SampleLevel(samplerName, float3(coord2, index), lod)
-#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)   textureName.SampleBias(samplerName, float3(coord2, index), bias)
-#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                         textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                textureName.SampleLevel(samplerName, coord3, lod)
-#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)              textureName.SampleBias(samplerName, coord3, bias)
-#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)            textureName.Sample(samplerName, float4(coord3, index))
-#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)   textureName.SampleLevel(samplerName, float4(coord3, index), lod)
-#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias) textureName.SampleBias(samplerName, float4(coord3, index), bias)
-#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                           textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                  textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
+#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
+#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
+#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
+#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
+#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
+#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
+#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
+#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
+#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
+#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                textureName.Sample(samplerName, float4(coord3, index))
+#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       textureName.SampleLevel(samplerName, float4(coord3, index), lod)
+#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     textureName.SampleBias(samplerName, float4(coord3, index), bias)
+#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               textureName.Sample(samplerName, coord3)
+#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      textureName.SampleLevel(samplerName, coord3, lod)
 
 #define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                    textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
 #define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)       textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
 #define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)                          textureName.Load(int4(unCoord3, lod))
 
 #define PLATFORM_SUPPORT_GATHER
-#define GATHER_TEXTURE2D(textureName, samplerName, coord2, offset)        textureName.Gather(samplerName, coord2, offset)
-#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index), offset)
+#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                textureName.Gather(samplerName, coord2)
+#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index))
-
-#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2, offset)      textureName.GatherRed(samplerName, coord2, offset)
-#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2, offset)    textureName.GatherGreen(samplerName, coord2, offset)
-#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2, offset)     textureName.GatherBlue(samplerName, coord2, offset)
+#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherRed(samplerName, coord2)
+#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherGreen(samplerName, coord2)
+#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)           textureName.GatherBlue(samplerName, coord2)
+#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherAlpha(samplerName, coord2)