diff --git a/include/spirv/unified1/spirv.core.grammar.json b/include/spirv/unified1/spirv.core.grammar.json
index 45bac52..824ae4b 100644
--- a/include/spirv/unified1/spirv.core.grammar.json
+++ b/include/spirv/unified1/spirv.core.grammar.json
@@ -1,6 +1,6 @@
 {
   "copyright" : [
-    "Copyright (c) 2014-2016 The Khronos Group Inc.",
+    "Copyright (c) 2014-2020 The Khronos Group Inc.",
     "",
     "Permission is hereby granted, free of charge, to any person obtaining a copy",
     "of this software and/or associated documentation files (the \"Materials\"),",
@@ -4400,26 +4400,54 @@
         { "kind" : "IdRef", "name" : "'Hit'" },
         { "kind" : "IdRef", "name" : "'HitKind'" }
       ],
-      "capabilities" : [ "RayTracingNV" ],
-      "extensions" : [ "SPV_NV_ray_tracing" ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+      "version" : "None"
+    },
+    {
+      "opname" : "OpReportIntersectionKHR",
+      "class"  : "Reserved",
+      "opcode" : 5334,
+      "operands" : [
+        { "kind" : "IdResultType" },
+        { "kind" : "IdResult" },
+        { "kind" : "IdRef", "name" : "'Hit'" },
+        { "kind" : "IdRef", "name" : "'HitKind'" }
+      ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
       "version" : "None"
     },
     {
       "opname" : "OpIgnoreIntersectionNV",
       "class"  : "Reserved",
       "opcode" : 5335,
-
-      "capabilities" : [ "RayTracingNV" ],
-      "extensions" : [ "SPV_NV_ray_tracing" ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+      "version" : "None"
+    },
+    {
+      "opname" : "OpIgnoreIntersectionKHR",
+      "class"  : "Reserved",
+      "opcode" : 5335,
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
       "version" : "None"
     },
     {
       "opname" : "OpTerminateRayNV",
       "class"  : "Reserved",
       "opcode" : 5336,
-
-      "capabilities" : [ "RayTracingNV" ],
-      "extensions" : [ "SPV_NV_ray_tracing" ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+      "version" : "None"
+    },
+    {
+      "opname" : "OpTerminateRayKHR",
+      "class"  : "Reserved",
+      "opcode" : 5336,
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
       "version" : "None"
     },
     {
@@ -4440,8 +4468,30 @@
         { "kind" : "IdRef", "name" : "'Ray Tmax'" },
         { "kind" : "IdRef", "name" : "'PayloadId'" }
       ],
-      "capabilities" : [ "RayTracingNV" ],
-      "extensions" : [ "SPV_NV_ray_tracing" ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+      "version" : "None"
+    },
+    {
+      "opname" : "OpTraceRayKHR",
+      "class"  : "Reserved",
+      "opcode" : 5337,
+      "operands" : [
+
+        { "kind" : "IdRef", "name" : "'Accel'" },
+        { "kind" : "IdRef", "name" : "'Ray Flags'" },
+        { "kind" : "IdRef", "name" : "'Cull Mask'" },
+        { "kind" : "IdRef", "name" : "'SBT Offset'" },
+        { "kind" : "IdRef", "name" : "'SBT Stride'" },
+        { "kind" : "IdRef", "name" : "'Miss Index'" },
+        { "kind" : "IdRef", "name" : "'Ray Origin'" },
+        { "kind" : "IdRef", "name" : "'Ray Tmin'" },
+        { "kind" : "IdRef", "name" : "'Ray Direction'" },
+        { "kind" : "IdRef", "name" : "'Ray Tmax'" },
+        { "kind" : "IdRef", "name" : "'PayloadId'" }
+      ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
       "version" : "None"
     },
     {
@@ -4451,11 +4501,479 @@
       "operands" : [
         { "kind" : "IdResult" }
       ],
-      "capabilities" : [ "RayTracingNV" ],
-      "extensions" : [ "SPV_NV_ray_tracing" ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR", "RayQueryProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing", "SPV_KHR_ray_query" ],
       "version" : "None"
     },
     {
+      "opname" : "OpTypeAccelerationStructureKHR",
+      "class"  : "Reserved",
+      "opcode" : 5341,
+      "operands" : [
+        { "kind" : "IdResult" }
+      ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR", "RayQueryProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing", "SPV_KHR_ray_query" ],
+      "version" : "None"
+    },
+    {
+        "opname" : "OpTypeRayQueryProvisionalKHR",
+        "class" : "Reserved",
+        "opcode" : 4472,
+        "operands" : [
+            { "kind" : "IdResult" }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryInitializeKHR",
+        "class" : "Reserved",
+        "opcode" : 4473,
+        "operands" : [
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Accel'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayFlags'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'CullMask'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayOrigin'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayTMin'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayDirection'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayTMax'"
+            }
+
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryTerminateKHR",
+        "class" : "Reserved",
+        "opcode" : 4474,
+        "operands" : [
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGenerateIntersectionKHR",
+        "class" : "Reserved",
+        "opcode" : 4475,
+        "operands" : [
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'HitT'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryConfirmIntersectionKHR",
+        "class" : "Reserved",
+        "opcode" : 4476,
+        "operands" : [
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryProceedKHR",
+        "class" : "Reserved",
+        "opcode" : 4477,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionTypeKHR",
+        "class" : "Reserved",
+        "opcode" : 4479,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetRayTMinKHR",
+        "class" : "Reserved",
+        "opcode" : 6016,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetRayFlagsKHR",
+        "class" : "Reserved",
+        "opcode" : 6017,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionTKHR",
+        "class" : "Reserved",
+        "opcode" : 6018,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionInstanceCustomIndexKHR",
+        "class" : "Reserved",
+        "opcode" : 6019,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionInstanceIdKHR",
+        "class" : "Reserved",
+        "opcode" : 6020,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR",
+        "class" : "Reserved",
+        "opcode" : 6021,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionGeometryIndexKHR",
+        "class" : "Reserved",
+        "opcode" : 6022,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionPrimitiveIndexKHR",
+        "class" : "Reserved",
+        "opcode" : 6023,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionBarycentricsKHR",
+        "class" : "Reserved",
+        "opcode" : 6024,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionFrontFaceKHR",
+        "class" : "Reserved",
+        "opcode" : 6025,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionCandidateAABBOpaqueKHR",
+        "class" : "Reserved",
+        "opcode" : 6026,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionObjectRayDirectionKHR",
+        "class" : "Reserved",
+        "opcode" : 6027,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionObjectRayOriginKHR",
+        "class" : "Reserved",
+        "opcode" : 6028,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetWorldRayDirectionKHR",
+        "class" : "Reserved",
+        "opcode" : 6029,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+
+    {
+        "opname" : "OpRayQueryGetWorldRayOriginKHR",
+        "class" : "Reserved",
+        "opcode" : 6030,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionObjectToWorldKHR",
+        "class" : "Reserved",
+        "opcode" : 6031,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+            {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
+        "opname" : "OpRayQueryGetIntersectionWorldToObjectKHR",
+        "class" : "Reserved",
+        "opcode" : 6032,
+        "operands" : [
+            { "kind" : "IdResultType" },
+            { "kind" : "IdResult" },
+            {
+                "kind" : "IdRef",
+                "name" : "'RayQuery'"
+            },
+             {
+                "kind" : "IdRef",
+                "name" : "'Intersection'"
+            }
+        ],
+        "capabilities" : [ "RayQueryProvisionalKHR" ],
+        "extensions" : [ "SPV_KHR_ray_query" ],
+        "version" : "None"
+    },
+    {
       "opname" : "OpExecuteCallableNV",
       "class"  : "Reserved",
       "opcode" : 5344,
@@ -4464,8 +4982,21 @@
         { "kind" : "IdRef", "name" : "'SBT Index'" },
         { "kind" : "IdRef", "name" : "'Callable DataId'" }
       ],
-      "capabilities" : [ "RayTracingNV" ],
-      "extensions" : [ "SPV_NV_ray_tracing" ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+      "version" : "None"
+    },
+    {
+      "opname" : "OpExecuteCallableKHR",
+      "class"  : "Reserved",
+      "opcode" : 5344,
+      "operands" : [
+
+        { "kind" : "IdRef", "name" : "'SBT Index'" },
+        { "kind" : "IdRef", "name" : "'Callable DataId'" }
+      ],
+      "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+      "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
       "version" : "None"
     },
     {
@@ -6943,6 +7474,67 @@
       ]
     },
     {
+      "category" : "BitEnum",
+      "kind" : "RayFlags",
+      "enumerants" : [
+        {
+          "enumerant" : "NoneKHR",
+          "value" : "0x0000",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "OpaqueKHR",
+          "value" : "0x0001",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "NoOpaqueKHR",
+          "value" : "0x0002",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "TerminateOnFirstHitKHR",
+          "value" : "0x0004",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "SkipClosestHitShaderKHR",
+          "value" : "0x0008",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "CullBackFacingTrianglesKHR",
+          "value" : "0x0010",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "CullFrontFacingTrianglesKHR",
+          "value" : "0x0020",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "CullOpaqueKHR",
+          "value" : "0x0040",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "CullNoOpaqueKHR",
+          "value" : "0x0080",
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "SkipTrianglesKHR",
+          "value" : "0x0100",
+          "capabilities" : [ "RayTraversalPrimitiveCullingProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "SkipAABBsKHR",
+          "value" : "0x0200",
+          "capabilities" : [ "RayTraversalPrimitiveCullingProvisionalKHR" ]
+        }
+      ]
+    },
+    {
       "category" : "ValueEnum",
       "kind" : "SourceLanguage",
       "enumerants" : [
@@ -7026,37 +7618,73 @@
         {
           "enumerant" : "RayGenerationNV",
           "value" : 5313,
-          "capabilities" : [ "RayTracingNV" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "RayGenerationKHR",
+          "value" : 5313,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "IntersectionNV",
           "value" : 5314,
-          "capabilities" : [ "RayTracingNV" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "IntersectionKHR",
+          "value" : 5314,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "AnyHitNV",
           "value" : 5315,
-          "capabilities" : [ "RayTracingNV" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "AnyHitKHR",
+          "value" : 5315,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "ClosestHitNV",
           "value" : 5316,
-          "capabilities" : [ "RayTracingNV" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "ClosestHitKHR",
+          "value" : 5316,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "MissNV",
           "value" : 5317,
-          "capabilities" : [ "RayTracingNV" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "MissKHR",
+          "value" : 5317,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "CallableNV",
           "value" : 5318,
-          "capabilities" : [ "RayTracingNV" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "CallableKHR",
+          "value" : 5318,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         }
       ]
@@ -7581,43 +8209,85 @@
         {
           "enumerant" : "CallableDataNV",
           "value" : 5328,
-          "extensions" : [ "SPV_NV_ray_tracing" ],
-          "capabilities" : [ "RayTracingNV" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "CallableDataKHR",
+          "value" : 5328,
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "IncomingCallableDataNV",
           "value" : 5329,
-          "extensions" : [ "SPV_NV_ray_tracing" ],
-          "capabilities" : [ "RayTracingNV" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "IncomingCallableDataKHR",
+          "value" : 5329,
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "RayPayloadNV",
           "value" : 5338,
-          "extensions" : [ "SPV_NV_ray_tracing" ],
-          "capabilities" : [ "RayTracingNV" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "RayPayloadKHR",
+          "value" : 5338,
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "HitAttributeNV",
           "value" : 5339,
-          "extensions" : [ "SPV_NV_ray_tracing" ],
-          "capabilities" : [ "RayTracingNV" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "HitAttributeKHR",
+          "value" : 5339,
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "IncomingRayPayloadNV",
           "value" : 5342,
-          "extensions" : [ "SPV_NV_ray_tracing" ],
-          "capabilities" : [ "RayTracingNV" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "IncomingRayPayloadKHR",
+          "value" : 5342,
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
           "enumerant" : "ShaderRecordBufferNV",
           "value" : 5343,
-          "extensions" : [ "SPV_NV_ray_tracing" ],
-          "capabilities" : [ "RayTracingNV" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "ShaderRecordBufferKHR",
+          "value" : 5343,
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
           "version" : "None"
         },
         {
@@ -8735,7 +9405,7 @@
         {
           "enumerant" : "PrimitiveId",
           "value" : 7,
-          "capabilities" : [ "Geometry", "Tessellation", "RayTracingNV" ]
+          "capabilities" : [ "Geometry", "Tessellation", "RayTracingNV", "RayTracingProvisionalKHR" ]
         },
         {
           "enumerant" : "InvocationId",
@@ -9193,99 +9863,204 @@
         {
           "enumerant" : "LaunchIdNV",
           "value" : 5319,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "LaunchIdKHR",
+          "value" : 5319,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "LaunchSizeNV",
           "value" : 5320,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "LaunchSizeKHR",
+          "value" : 5320,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "WorldRayOriginNV",
           "value" : 5321,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "WorldRayOriginKHR",
+          "value" : 5321,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "WorldRayDirectionNV",
           "value" : 5322,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "WorldRayDirectionKHR",
+          "value" : 5322,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "ObjectRayOriginNV",
           "value" : 5323,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "ObjectRayOriginKHR",
+          "value" : 5323,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "ObjectRayDirectionNV",
           "value" : 5324,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "ObjectRayDirectionKHR",
+          "value" : 5324,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "RayTminNV",
           "value" : 5325,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "RayTminKHR",
+          "value" : 5325,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "RayTmaxNV",
           "value" : 5326,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "RayTmaxKHR",
+          "value" : 5326,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "InstanceCustomIndexNV",
           "value" : 5327,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "InstanceCustomIndexKHR",
+          "value" : 5327,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "ObjectToWorldNV",
           "value" : 5330,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "ObjectToWorldKHR",
+          "value" : 5330,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "WorldToObjectNV",
           "value" : 5331,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "WorldToObjectKHR",
+          "value" : 5331,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "HitTNV",
           "value" : 5332,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "HitTKHR",
+          "value" : 5332,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "HitKindNV",
           "value" : 5333,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "HitKindKHR",
+          "value" : 5333,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
           "enumerant" : "IncomingRayFlagsNV",
           "value" : 5351,
-          "capabilities" : [ "RayTracingNV" ],
-          "extensions" : [ "SPV_NV_ray_tracing" ],
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "IncomingRayFlagsKHR",
+          "value" : 5351,
+          "capabilities" : [ "RayTracingNV" , "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_NV_ray_tracing" , "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "RayGeometryIndexKHR",
+          "value" : 5352,
+          "capabilities" : [ "RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_KHR_ray_tracing" ],
           "version" : "None"
         },
         {
@@ -9353,6 +10128,11 @@
           "value" : 5,
           "capabilities" : [ "VulkanMemoryModel" ],
           "version" : "1.5"
+        },
+        {
+          "enumerant" : "ShaderCallKHR",
+          "value" : 6,
+          "capabilities" : [ "RayTracingProvisionalKHR" ]
         }
       ]
     },
@@ -9925,6 +10705,20 @@
           "version" : "1.4"
         },
         {
+          "enumerant" : "RayQueryProvisionalKHR",
+          "value" : 4471,
+          "capabilities" : [ "Shader" ],
+          "extensions" : [ "SPV_KHR_ray_query" ],
+          "version" : "None"
+        },
+        {
+          "enumerant" : "RayTraversalPrimitiveCullingProvisionalKHR",
+          "value" : 4478,
+          "capabilities" : [ "RayQueryProvisionalKHR","RayTracingProvisionalKHR" ],
+          "extensions" : [ "SPV_KHR_ray_query","SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
           "enumerant" : "Float16ImageAMD",
           "value" : 5008,
           "capabilities" : [ "Shader" ],
@@ -10273,6 +11067,13 @@
           "version" : "None"
         },
         {
+          "enumerant" : "RayTracingProvisionalKHR",
+          "value" : 5353,
+          "capabilities" : [ "Shader" ],
+          "extensions" : [ "SPV_KHR_ray_tracing" ],
+          "version" : "None"
+        },
+        {
           "enumerant" : "CooperativeMatrixNV",
           "value" : 5357,
           "capabilities" : [ "Shader" ],
@@ -10366,6 +11167,59 @@
       ]
     },
     {
+      "category" : "ValueEnum",
+      "kind" : "RayQueryIntersection",
+      "enumerants" : [
+        {
+          "enumerant" : "RayQueryCandidateIntersectionKHR",
+          "value" : 0,
+          "capabilities" : [ "RayQueryProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "RayQueryCommittedIntersectionKHR",
+          "value" : 1,
+          "capabilities" : [ "RayQueryProvisionalKHR" ]
+        }
+      ]
+    },
+    {
+      "category" : "ValueEnum",
+      "kind" : "RayQueryCommittedIntersectionType",
+      "enumerants" : [
+        {
+          "enumerant" : "RayQueryCommittedIntersectionNoneKHR",
+          "value" : 0,
+          "capabilities" : [ "RayQueryProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "RayQueryCommittedIntersectionTriangleKHR",
+          "value" : 1,
+          "capabilities" : [ "RayQueryProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "RayQueryCommittedIntersectionGeneratedKHR",
+          "value" : 2,
+          "capabilities" : [ "RayQueryProvisionalKHR" ]
+        }
+      ]
+    },
+    {
+      "category" : "ValueEnum",
+      "kind" : "RayQueryCandidateIntersectionType",
+      "enumerants" : [
+        {
+          "enumerant" : "RayQueryCandidateIntersectionTriangleKHR",
+          "value" : 0,
+          "capabilities" : [ "RayQueryProvisionalKHR" ]
+        },
+        {
+          "enumerant" : "RayQueryCandidateIntersectionAABBKHR",
+          "value" : 1,
+          "capabilities" : [ "RayQueryProvisionalKHR" ]
+        }
+      ]
+    },
+    {
       "category" : "Id",
       "kind" : "IdResultType",
       "doc" : "Reference to an <id> representing the result's type of the enclosing instruction"
diff --git a/include/spirv/unified1/spirv.cs b/include/spirv/unified1/spirv.cs
index 705aa59..c5ddff9 100644
--- a/include/spirv/unified1/spirv.cs
+++ b/include/spirv/unified1/spirv.cs
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -74,11 +74,17 @@
             Kernel = 6,
             TaskNV = 5267,
             MeshNV = 5268,
+            RayGenerationKHR = 5313,
             RayGenerationNV = 5313,
+            IntersectionKHR = 5314,
             IntersectionNV = 5314,
+            AnyHitKHR = 5315,
             AnyHitNV = 5315,
+            ClosestHitKHR = 5316,
             ClosestHitNV = 5316,
+            MissKHR = 5317,
             MissNV = 5317,
+            CallableKHR = 5318,
             CallableNV = 5318,
         }
 
@@ -175,11 +181,17 @@
             AtomicCounter = 10,
             Image = 11,
             StorageBuffer = 12,
+            CallableDataKHR = 5328,
             CallableDataNV = 5328,
+            IncomingCallableDataKHR = 5329,
             IncomingCallableDataNV = 5329,
+            RayPayloadKHR = 5338,
             RayPayloadNV = 5338,
+            HitAttributeKHR = 5339,
             HitAttributeNV = 5339,
+            IncomingRayPayloadKHR = 5342,
             IncomingRayPayloadNV = 5342,
+            ShaderRecordBufferKHR = 5343,
             ShaderRecordBufferNV = 5343,
             PhysicalStorageBuffer = 5349,
             PhysicalStorageBufferEXT = 5349,
@@ -556,20 +568,35 @@
             FragmentSizeNV = 5292,
             FragInvocationCountEXT = 5293,
             InvocationsPerPixelNV = 5293,
+            LaunchIdKHR = 5319,
             LaunchIdNV = 5319,
+            LaunchSizeKHR = 5320,
             LaunchSizeNV = 5320,
+            WorldRayOriginKHR = 5321,
             WorldRayOriginNV = 5321,
+            WorldRayDirectionKHR = 5322,
             WorldRayDirectionNV = 5322,
+            ObjectRayOriginKHR = 5323,
             ObjectRayOriginNV = 5323,
+            ObjectRayDirectionKHR = 5324,
             ObjectRayDirectionNV = 5324,
+            RayTminKHR = 5325,
             RayTminNV = 5325,
+            RayTmaxKHR = 5326,
             RayTmaxNV = 5326,
+            InstanceCustomIndexKHR = 5327,
             InstanceCustomIndexNV = 5327,
+            ObjectToWorldKHR = 5330,
             ObjectToWorldNV = 5330,
+            WorldToObjectKHR = 5331,
             WorldToObjectNV = 5331,
+            HitTKHR = 5332,
             HitTNV = 5332,
+            HitKindKHR = 5333,
             HitKindNV = 5333,
+            IncomingRayFlagsKHR = 5351,
             IncomingRayFlagsNV = 5351,
+            RayGeometryIndexKHR = 5352,
             WarpsPerSMNV = 5374,
             SMCountNV = 5375,
             WarpIDNV = 5376,
@@ -712,6 +739,7 @@
             Invocation = 4,
             QueueFamily = 5,
             QueueFamilyKHR = 5,
+            ShaderCallKHR = 6,
         }
 
         public enum GroupOperation
@@ -837,6 +865,8 @@
             SignedZeroInfNanPreserve = 4466,
             RoundingModeRTE = 4467,
             RoundingModeRTZ = 4468,
+            RayQueryProvisionalKHR = 4471,
+            RayTraversalPrimitiveCullingProvisionalKHR = 4478,
             Float16ImageAMD = 5008,
             ImageGatherBiasLodAMD = 5009,
             FragmentMaskAMD = 5010,
@@ -890,6 +920,7 @@
             PhysicalStorageBufferAddresses = 5347,
             PhysicalStorageBufferAddressesEXT = 5347,
             ComputeDerivativeGroupLinearNV = 5350,
+            RayTracingProvisionalKHR = 5353,
             CooperativeMatrixNV = 5357,
             FragmentShaderSampleInterlockEXT = 5363,
             FragmentShaderShadingRateInterlockEXT = 5372,
@@ -906,6 +937,54 @@
             SubgroupAvcMotionEstimationChromaINTEL = 5698,
         }
 
+        public enum RayFlagsShift
+        {
+            OpaqueKHR = 0,
+            NoOpaqueKHR = 1,
+            TerminateOnFirstHitKHR = 2,
+            SkipClosestHitShaderKHR = 3,
+            CullBackFacingTrianglesKHR = 4,
+            CullFrontFacingTrianglesKHR = 5,
+            CullOpaqueKHR = 6,
+            CullNoOpaqueKHR = 7,
+            SkipTrianglesKHR = 8,
+            SkipAABBsKHR = 9,
+        }
+
+        public enum RayFlagsMask
+        {
+            MaskNone = 0,
+            OpaqueKHR = 0x00000001,
+            NoOpaqueKHR = 0x00000002,
+            TerminateOnFirstHitKHR = 0x00000004,
+            SkipClosestHitShaderKHR = 0x00000008,
+            CullBackFacingTrianglesKHR = 0x00000010,
+            CullFrontFacingTrianglesKHR = 0x00000020,
+            CullOpaqueKHR = 0x00000040,
+            CullNoOpaqueKHR = 0x00000080,
+            SkipTrianglesKHR = 0x00000100,
+            SkipAABBsKHR = 0x00000200,
+        }
+
+        public enum RayQueryIntersection
+        {
+            RayQueryCandidateIntersectionKHR = 0,
+            RayQueryCommittedIntersectionKHR = 1,
+        }
+
+        public enum RayQueryCommittedIntersectionType
+        {
+            RayQueryCommittedIntersectionNoneKHR = 0,
+            RayQueryCommittedIntersectionTriangleKHR = 1,
+            RayQueryCommittedIntersectionGeneratedKHR = 2,
+        }
+
+        public enum RayQueryCandidateIntersectionType
+        {
+            RayQueryCandidateIntersectionTriangleKHR = 0,
+            RayQueryCandidateIntersectionAABBKHR = 1,
+        }
+
         public enum Op
         {
             OpNop = 0,
@@ -1258,6 +1337,13 @@
             OpSubgroupAnyKHR = 4429,
             OpSubgroupAllEqualKHR = 4430,
             OpSubgroupReadInvocationKHR = 4432,
+            OpTypeRayQueryProvisionalKHR = 4472,
+            OpRayQueryInitializeKHR = 4473,
+            OpRayQueryTerminateKHR = 4474,
+            OpRayQueryGenerateIntersectionKHR = 4475,
+            OpRayQueryConfirmIntersectionKHR = 4476,
+            OpRayQueryProceedKHR = 4477,
+            OpRayQueryGetIntersectionTypeKHR = 4479,
             OpGroupIAddNonUniformAMD = 5000,
             OpGroupFAddNonUniformAMD = 5001,
             OpGroupFMinNonUniformAMD = 5002,
@@ -1272,11 +1358,17 @@
             OpImageSampleFootprintNV = 5283,
             OpGroupNonUniformPartitionNV = 5296,
             OpWritePackedPrimitiveIndices4x8NV = 5299,
+            OpReportIntersectionKHR = 5334,
             OpReportIntersectionNV = 5334,
+            OpIgnoreIntersectionKHR = 5335,
             OpIgnoreIntersectionNV = 5335,
+            OpTerminateRayKHR = 5336,
             OpTerminateRayNV = 5336,
             OpTraceNV = 5337,
+            OpTraceRayKHR = 5337,
+            OpTypeAccelerationStructureKHR = 5341,
             OpTypeAccelerationStructureNV = 5341,
+            OpExecuteCallableKHR = 5344,
             OpExecuteCallableNV = 5344,
             OpTypeCooperativeMatrixNV = 5358,
             OpCooperativeMatrixLoadNV = 5359,
@@ -1433,6 +1525,23 @@
             OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL = 5814,
             OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL = 5815,
             OpSubgroupAvcSicGetInterRawSadsINTEL = 5816,
+            OpRayQueryGetRayTMinKHR = 6016,
+            OpRayQueryGetRayFlagsKHR = 6017,
+            OpRayQueryGetIntersectionTKHR = 6018,
+            OpRayQueryGetIntersectionInstanceCustomIndexKHR = 6019,
+            OpRayQueryGetIntersectionInstanceIdKHR = 6020,
+            OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR = 6021,
+            OpRayQueryGetIntersectionGeometryIndexKHR = 6022,
+            OpRayQueryGetIntersectionPrimitiveIndexKHR = 6023,
+            OpRayQueryGetIntersectionBarycentricsKHR = 6024,
+            OpRayQueryGetIntersectionFrontFaceKHR = 6025,
+            OpRayQueryGetIntersectionCandidateAABBOpaqueKHR = 6026,
+            OpRayQueryGetIntersectionObjectRayDirectionKHR = 6027,
+            OpRayQueryGetIntersectionObjectRayOriginKHR = 6028,
+            OpRayQueryGetWorldRayDirectionKHR = 6029,
+            OpRayQueryGetWorldRayOriginKHR = 6030,
+            OpRayQueryGetIntersectionObjectToWorldKHR = 6031,
+            OpRayQueryGetIntersectionWorldToObjectKHR = 6032,
         }
     }
 }
diff --git a/include/spirv/unified1/spirv.h b/include/spirv/unified1/spirv.h
index 53928a4..92b34c3 100644
--- a/include/spirv/unified1/spirv.h
+++ b/include/spirv/unified1/spirv.h
@@ -1,5 +1,5 @@
 /*
-** Copyright (c) 2014-2019 The Khronos Group Inc.
+** Copyright (c) 2014-2020 The Khronos Group Inc.
 ** 
 ** Permission is hereby granted, free of charge, to any person obtaining a copy
 ** of this software and/or associated documentation files (the "Materials"),
@@ -82,11 +82,17 @@
     SpvExecutionModelKernel = 6,
     SpvExecutionModelTaskNV = 5267,
     SpvExecutionModelMeshNV = 5268,
+    SpvExecutionModelRayGenerationKHR = 5313,
     SpvExecutionModelRayGenerationNV = 5313,
+    SpvExecutionModelIntersectionKHR = 5314,
     SpvExecutionModelIntersectionNV = 5314,
+    SpvExecutionModelAnyHitKHR = 5315,
     SpvExecutionModelAnyHitNV = 5315,
+    SpvExecutionModelClosestHitKHR = 5316,
     SpvExecutionModelClosestHitNV = 5316,
+    SpvExecutionModelMissKHR = 5317,
     SpvExecutionModelMissNV = 5317,
+    SpvExecutionModelCallableKHR = 5318,
     SpvExecutionModelCallableNV = 5318,
     SpvExecutionModelMax = 0x7fffffff,
 } SpvExecutionModel;
@@ -183,11 +189,17 @@
     SpvStorageClassAtomicCounter = 10,
     SpvStorageClassImage = 11,
     SpvStorageClassStorageBuffer = 12,
+    SpvStorageClassCallableDataKHR = 5328,
     SpvStorageClassCallableDataNV = 5328,
+    SpvStorageClassIncomingCallableDataKHR = 5329,
     SpvStorageClassIncomingCallableDataNV = 5329,
+    SpvStorageClassRayPayloadKHR = 5338,
     SpvStorageClassRayPayloadNV = 5338,
+    SpvStorageClassHitAttributeKHR = 5339,
     SpvStorageClassHitAttributeNV = 5339,
+    SpvStorageClassIncomingRayPayloadKHR = 5342,
     SpvStorageClassIncomingRayPayloadNV = 5342,
+    SpvStorageClassShaderRecordBufferKHR = 5343,
     SpvStorageClassShaderRecordBufferNV = 5343,
     SpvStorageClassPhysicalStorageBuffer = 5349,
     SpvStorageClassPhysicalStorageBufferEXT = 5349,
@@ -562,20 +574,35 @@
     SpvBuiltInFragmentSizeNV = 5292,
     SpvBuiltInFragInvocationCountEXT = 5293,
     SpvBuiltInInvocationsPerPixelNV = 5293,
+    SpvBuiltInLaunchIdKHR = 5319,
     SpvBuiltInLaunchIdNV = 5319,
+    SpvBuiltInLaunchSizeKHR = 5320,
     SpvBuiltInLaunchSizeNV = 5320,
+    SpvBuiltInWorldRayOriginKHR = 5321,
     SpvBuiltInWorldRayOriginNV = 5321,
+    SpvBuiltInWorldRayDirectionKHR = 5322,
     SpvBuiltInWorldRayDirectionNV = 5322,
+    SpvBuiltInObjectRayOriginKHR = 5323,
     SpvBuiltInObjectRayOriginNV = 5323,
+    SpvBuiltInObjectRayDirectionKHR = 5324,
     SpvBuiltInObjectRayDirectionNV = 5324,
+    SpvBuiltInRayTminKHR = 5325,
     SpvBuiltInRayTminNV = 5325,
+    SpvBuiltInRayTmaxKHR = 5326,
     SpvBuiltInRayTmaxNV = 5326,
+    SpvBuiltInInstanceCustomIndexKHR = 5327,
     SpvBuiltInInstanceCustomIndexNV = 5327,
+    SpvBuiltInObjectToWorldKHR = 5330,
     SpvBuiltInObjectToWorldNV = 5330,
+    SpvBuiltInWorldToObjectKHR = 5331,
     SpvBuiltInWorldToObjectNV = 5331,
+    SpvBuiltInHitTKHR = 5332,
     SpvBuiltInHitTNV = 5332,
+    SpvBuiltInHitKindKHR = 5333,
     SpvBuiltInHitKindNV = 5333,
+    SpvBuiltInIncomingRayFlagsKHR = 5351,
     SpvBuiltInIncomingRayFlagsNV = 5351,
+    SpvBuiltInRayGeometryIndexKHR = 5352,
     SpvBuiltInWarpsPerSMNV = 5374,
     SpvBuiltInSMCountNV = 5375,
     SpvBuiltInWarpIDNV = 5376,
@@ -713,6 +740,7 @@
     SpvScopeInvocation = 4,
     SpvScopeQueueFamily = 5,
     SpvScopeQueueFamilyKHR = 5,
+    SpvScopeShaderCallKHR = 6,
     SpvScopeMax = 0x7fffffff,
 } SpvScope;
 
@@ -837,6 +865,8 @@
     SpvCapabilitySignedZeroInfNanPreserve = 4466,
     SpvCapabilityRoundingModeRTE = 4467,
     SpvCapabilityRoundingModeRTZ = 4468,
+    SpvCapabilityRayQueryProvisionalKHR = 4471,
+    SpvCapabilityRayTraversalPrimitiveCullingProvisionalKHR = 4478,
     SpvCapabilityFloat16ImageAMD = 5008,
     SpvCapabilityImageGatherBiasLodAMD = 5009,
     SpvCapabilityFragmentMaskAMD = 5010,
@@ -890,6 +920,7 @@
     SpvCapabilityPhysicalStorageBufferAddresses = 5347,
     SpvCapabilityPhysicalStorageBufferAddressesEXT = 5347,
     SpvCapabilityComputeDerivativeGroupLinearNV = 5350,
+    SpvCapabilityRayTracingProvisionalKHR = 5353,
     SpvCapabilityCooperativeMatrixNV = 5357,
     SpvCapabilityFragmentShaderSampleInterlockEXT = 5363,
     SpvCapabilityFragmentShaderShadingRateInterlockEXT = 5372,
@@ -907,6 +938,53 @@
     SpvCapabilityMax = 0x7fffffff,
 } SpvCapability;
 
+typedef enum SpvRayFlagsShift_ {
+    SpvRayFlagsOpaqueKHRShift = 0,
+    SpvRayFlagsNoOpaqueKHRShift = 1,
+    SpvRayFlagsTerminateOnFirstHitKHRShift = 2,
+    SpvRayFlagsSkipClosestHitShaderKHRShift = 3,
+    SpvRayFlagsCullBackFacingTrianglesKHRShift = 4,
+    SpvRayFlagsCullFrontFacingTrianglesKHRShift = 5,
+    SpvRayFlagsCullOpaqueKHRShift = 6,
+    SpvRayFlagsCullNoOpaqueKHRShift = 7,
+    SpvRayFlagsSkipTrianglesKHRShift = 8,
+    SpvRayFlagsSkipAABBsKHRShift = 9,
+    SpvRayFlagsMax = 0x7fffffff,
+} SpvRayFlagsShift;
+
+typedef enum SpvRayFlagsMask_ {
+    SpvRayFlagsMaskNone = 0,
+    SpvRayFlagsOpaqueKHRMask = 0x00000001,
+    SpvRayFlagsNoOpaqueKHRMask = 0x00000002,
+    SpvRayFlagsTerminateOnFirstHitKHRMask = 0x00000004,
+    SpvRayFlagsSkipClosestHitShaderKHRMask = 0x00000008,
+    SpvRayFlagsCullBackFacingTrianglesKHRMask = 0x00000010,
+    SpvRayFlagsCullFrontFacingTrianglesKHRMask = 0x00000020,
+    SpvRayFlagsCullOpaqueKHRMask = 0x00000040,
+    SpvRayFlagsCullNoOpaqueKHRMask = 0x00000080,
+    SpvRayFlagsSkipTrianglesKHRMask = 0x00000100,
+    SpvRayFlagsSkipAABBsKHRMask = 0x00000200,
+} SpvRayFlagsMask;
+
+typedef enum SpvRayQueryIntersection_ {
+    SpvRayQueryIntersectionRayQueryCandidateIntersectionKHR = 0,
+    SpvRayQueryIntersectionRayQueryCommittedIntersectionKHR = 1,
+    SpvRayQueryIntersectionMax = 0x7fffffff,
+} SpvRayQueryIntersection;
+
+typedef enum SpvRayQueryCommittedIntersectionType_ {
+    SpvRayQueryCommittedIntersectionTypeRayQueryCommittedIntersectionNoneKHR = 0,
+    SpvRayQueryCommittedIntersectionTypeRayQueryCommittedIntersectionTriangleKHR = 1,
+    SpvRayQueryCommittedIntersectionTypeRayQueryCommittedIntersectionGeneratedKHR = 2,
+    SpvRayQueryCommittedIntersectionTypeMax = 0x7fffffff,
+} SpvRayQueryCommittedIntersectionType;
+
+typedef enum SpvRayQueryCandidateIntersectionType_ {
+    SpvRayQueryCandidateIntersectionTypeRayQueryCandidateIntersectionTriangleKHR = 0,
+    SpvRayQueryCandidateIntersectionTypeRayQueryCandidateIntersectionAABBKHR = 1,
+    SpvRayQueryCandidateIntersectionTypeMax = 0x7fffffff,
+} SpvRayQueryCandidateIntersectionType;
+
 typedef enum SpvOp_ {
     SpvOpNop = 0,
     SpvOpUndef = 1,
@@ -1258,6 +1336,13 @@
     SpvOpSubgroupAnyKHR = 4429,
     SpvOpSubgroupAllEqualKHR = 4430,
     SpvOpSubgroupReadInvocationKHR = 4432,
+    SpvOpTypeRayQueryProvisionalKHR = 4472,
+    SpvOpRayQueryInitializeKHR = 4473,
+    SpvOpRayQueryTerminateKHR = 4474,
+    SpvOpRayQueryGenerateIntersectionKHR = 4475,
+    SpvOpRayQueryConfirmIntersectionKHR = 4476,
+    SpvOpRayQueryProceedKHR = 4477,
+    SpvOpRayQueryGetIntersectionTypeKHR = 4479,
     SpvOpGroupIAddNonUniformAMD = 5000,
     SpvOpGroupFAddNonUniformAMD = 5001,
     SpvOpGroupFMinNonUniformAMD = 5002,
@@ -1272,11 +1357,17 @@
     SpvOpImageSampleFootprintNV = 5283,
     SpvOpGroupNonUniformPartitionNV = 5296,
     SpvOpWritePackedPrimitiveIndices4x8NV = 5299,
+    SpvOpReportIntersectionKHR = 5334,
     SpvOpReportIntersectionNV = 5334,
+    SpvOpIgnoreIntersectionKHR = 5335,
     SpvOpIgnoreIntersectionNV = 5335,
+    SpvOpTerminateRayKHR = 5336,
     SpvOpTerminateRayNV = 5336,
     SpvOpTraceNV = 5337,
+    SpvOpTraceRayKHR = 5337,
+    SpvOpTypeAccelerationStructureKHR = 5341,
     SpvOpTypeAccelerationStructureNV = 5341,
+    SpvOpExecuteCallableKHR = 5344,
     SpvOpExecuteCallableNV = 5344,
     SpvOpTypeCooperativeMatrixNV = 5358,
     SpvOpCooperativeMatrixLoadNV = 5359,
@@ -1433,6 +1524,23 @@
     SpvOpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL = 5814,
     SpvOpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL = 5815,
     SpvOpSubgroupAvcSicGetInterRawSadsINTEL = 5816,
+    SpvOpRayQueryGetRayTMinKHR = 6016,
+    SpvOpRayQueryGetRayFlagsKHR = 6017,
+    SpvOpRayQueryGetIntersectionTKHR = 6018,
+    SpvOpRayQueryGetIntersectionInstanceCustomIndexKHR = 6019,
+    SpvOpRayQueryGetIntersectionInstanceIdKHR = 6020,
+    SpvOpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR = 6021,
+    SpvOpRayQueryGetIntersectionGeometryIndexKHR = 6022,
+    SpvOpRayQueryGetIntersectionPrimitiveIndexKHR = 6023,
+    SpvOpRayQueryGetIntersectionBarycentricsKHR = 6024,
+    SpvOpRayQueryGetIntersectionFrontFaceKHR = 6025,
+    SpvOpRayQueryGetIntersectionCandidateAABBOpaqueKHR = 6026,
+    SpvOpRayQueryGetIntersectionObjectRayDirectionKHR = 6027,
+    SpvOpRayQueryGetIntersectionObjectRayOriginKHR = 6028,
+    SpvOpRayQueryGetWorldRayDirectionKHR = 6029,
+    SpvOpRayQueryGetWorldRayOriginKHR = 6030,
+    SpvOpRayQueryGetIntersectionObjectToWorldKHR = 6031,
+    SpvOpRayQueryGetIntersectionWorldToObjectKHR = 6032,
     SpvOpMax = 0x7fffffff,
 } SpvOp;
 
@@ -1810,6 +1918,30 @@
     case SpvOpTerminateRayNV: *hasResult = false; *hasResultType = false; break;
     case SpvOpTraceNV: *hasResult = false; *hasResultType = false; break;
     case SpvOpTypeAccelerationStructureNV: *hasResult = true; *hasResultType = false; break;
+    case SpvOpTypeRayQueryProvisionalKHR: *hasResult = true; *hasResultType = false; break;
+    case SpvOpRayQueryInitializeKHR: *hasResult = false; *hasResultType = false; break;
+    case SpvOpRayQueryTerminateKHR: *hasResult = false; *hasResultType = false; break;
+    case SpvOpRayQueryGenerateIntersectionKHR: *hasResult = false; *hasResultType = false; break;
+    case SpvOpRayQueryConfirmIntersectionKHR: *hasResult = false; *hasResultType = false; break;
+    case SpvOpRayQueryProceedKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionTypeKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetRayTMinKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetRayFlagsKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionTKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionInstanceCustomIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionInstanceIdKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionGeometryIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionPrimitiveIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionBarycentricsKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionFrontFaceKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionCandidateAABBOpaqueKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionObjectRayDirectionKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionObjectRayOriginKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetWorldRayDirectionKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetWorldRayOriginKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionObjectToWorldKHR: *hasResult = true; *hasResultType = true; break;
+    case SpvOpRayQueryGetIntersectionWorldToObjectKHR: *hasResult = true; *hasResultType = true; break;
     case SpvOpExecuteCallableNV: *hasResult = false; *hasResultType = false; break;
     case SpvOpTypeCooperativeMatrixNV: *hasResult = true; *hasResultType = false; break;
     case SpvOpCooperativeMatrixLoadNV: *hasResult = true; *hasResultType = true; break;
diff --git a/include/spirv/unified1/spirv.hpp b/include/spirv/unified1/spirv.hpp
index ae99957..9f98683 100644
--- a/include/spirv/unified1/spirv.hpp
+++ b/include/spirv/unified1/spirv.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -78,11 +78,17 @@
     ExecutionModelKernel = 6,
     ExecutionModelTaskNV = 5267,
     ExecutionModelMeshNV = 5268,
+    ExecutionModelRayGenerationKHR = 5313,
     ExecutionModelRayGenerationNV = 5313,
+    ExecutionModelIntersectionKHR = 5314,
     ExecutionModelIntersectionNV = 5314,
+    ExecutionModelAnyHitKHR = 5315,
     ExecutionModelAnyHitNV = 5315,
+    ExecutionModelClosestHitKHR = 5316,
     ExecutionModelClosestHitNV = 5316,
+    ExecutionModelMissKHR = 5317,
     ExecutionModelMissNV = 5317,
+    ExecutionModelCallableKHR = 5318,
     ExecutionModelCallableNV = 5318,
     ExecutionModelMax = 0x7fffffff,
 };
@@ -179,11 +185,17 @@
     StorageClassAtomicCounter = 10,
     StorageClassImage = 11,
     StorageClassStorageBuffer = 12,
+    StorageClassCallableDataKHR = 5328,
     StorageClassCallableDataNV = 5328,
+    StorageClassIncomingCallableDataKHR = 5329,
     StorageClassIncomingCallableDataNV = 5329,
+    StorageClassRayPayloadKHR = 5338,
     StorageClassRayPayloadNV = 5338,
+    StorageClassHitAttributeKHR = 5339,
     StorageClassHitAttributeNV = 5339,
+    StorageClassIncomingRayPayloadKHR = 5342,
     StorageClassIncomingRayPayloadNV = 5342,
+    StorageClassShaderRecordBufferKHR = 5343,
     StorageClassShaderRecordBufferNV = 5343,
     StorageClassPhysicalStorageBuffer = 5349,
     StorageClassPhysicalStorageBufferEXT = 5349,
@@ -558,20 +570,35 @@
     BuiltInFragmentSizeNV = 5292,
     BuiltInFragInvocationCountEXT = 5293,
     BuiltInInvocationsPerPixelNV = 5293,
+    BuiltInLaunchIdKHR = 5319,
     BuiltInLaunchIdNV = 5319,
+    BuiltInLaunchSizeKHR = 5320,
     BuiltInLaunchSizeNV = 5320,
+    BuiltInWorldRayOriginKHR = 5321,
     BuiltInWorldRayOriginNV = 5321,
+    BuiltInWorldRayDirectionKHR = 5322,
     BuiltInWorldRayDirectionNV = 5322,
+    BuiltInObjectRayOriginKHR = 5323,
     BuiltInObjectRayOriginNV = 5323,
+    BuiltInObjectRayDirectionKHR = 5324,
     BuiltInObjectRayDirectionNV = 5324,
+    BuiltInRayTminKHR = 5325,
     BuiltInRayTminNV = 5325,
+    BuiltInRayTmaxKHR = 5326,
     BuiltInRayTmaxNV = 5326,
+    BuiltInInstanceCustomIndexKHR = 5327,
     BuiltInInstanceCustomIndexNV = 5327,
+    BuiltInObjectToWorldKHR = 5330,
     BuiltInObjectToWorldNV = 5330,
+    BuiltInWorldToObjectKHR = 5331,
     BuiltInWorldToObjectNV = 5331,
+    BuiltInHitTKHR = 5332,
     BuiltInHitTNV = 5332,
+    BuiltInHitKindKHR = 5333,
     BuiltInHitKindNV = 5333,
+    BuiltInIncomingRayFlagsKHR = 5351,
     BuiltInIncomingRayFlagsNV = 5351,
+    BuiltInRayGeometryIndexKHR = 5352,
     BuiltInWarpsPerSMNV = 5374,
     BuiltInSMCountNV = 5375,
     BuiltInWarpIDNV = 5376,
@@ -709,6 +736,7 @@
     ScopeInvocation = 4,
     ScopeQueueFamily = 5,
     ScopeQueueFamilyKHR = 5,
+    ScopeShaderCallKHR = 6,
     ScopeMax = 0x7fffffff,
 };
 
@@ -833,6 +861,8 @@
     CapabilitySignedZeroInfNanPreserve = 4466,
     CapabilityRoundingModeRTE = 4467,
     CapabilityRoundingModeRTZ = 4468,
+    CapabilityRayQueryProvisionalKHR = 4471,
+    CapabilityRayTraversalPrimitiveCullingProvisionalKHR = 4478,
     CapabilityFloat16ImageAMD = 5008,
     CapabilityImageGatherBiasLodAMD = 5009,
     CapabilityFragmentMaskAMD = 5010,
@@ -886,6 +916,7 @@
     CapabilityPhysicalStorageBufferAddresses = 5347,
     CapabilityPhysicalStorageBufferAddressesEXT = 5347,
     CapabilityComputeDerivativeGroupLinearNV = 5350,
+    CapabilityRayTracingProvisionalKHR = 5353,
     CapabilityCooperativeMatrixNV = 5357,
     CapabilityFragmentShaderSampleInterlockEXT = 5363,
     CapabilityFragmentShaderShadingRateInterlockEXT = 5372,
@@ -903,6 +934,53 @@
     CapabilityMax = 0x7fffffff,
 };
 
+enum RayFlagsShift {
+    RayFlagsOpaqueKHRShift = 0,
+    RayFlagsNoOpaqueKHRShift = 1,
+    RayFlagsTerminateOnFirstHitKHRShift = 2,
+    RayFlagsSkipClosestHitShaderKHRShift = 3,
+    RayFlagsCullBackFacingTrianglesKHRShift = 4,
+    RayFlagsCullFrontFacingTrianglesKHRShift = 5,
+    RayFlagsCullOpaqueKHRShift = 6,
+    RayFlagsCullNoOpaqueKHRShift = 7,
+    RayFlagsSkipTrianglesKHRShift = 8,
+    RayFlagsSkipAABBsKHRShift = 9,
+    RayFlagsMax = 0x7fffffff,
+};
+
+enum RayFlagsMask {
+    RayFlagsMaskNone = 0,
+    RayFlagsOpaqueKHRMask = 0x00000001,
+    RayFlagsNoOpaqueKHRMask = 0x00000002,
+    RayFlagsTerminateOnFirstHitKHRMask = 0x00000004,
+    RayFlagsSkipClosestHitShaderKHRMask = 0x00000008,
+    RayFlagsCullBackFacingTrianglesKHRMask = 0x00000010,
+    RayFlagsCullFrontFacingTrianglesKHRMask = 0x00000020,
+    RayFlagsCullOpaqueKHRMask = 0x00000040,
+    RayFlagsCullNoOpaqueKHRMask = 0x00000080,
+    RayFlagsSkipTrianglesKHRMask = 0x00000100,
+    RayFlagsSkipAABBsKHRMask = 0x00000200,
+};
+
+enum RayQueryIntersection {
+    RayQueryIntersectionRayQueryCandidateIntersectionKHR = 0,
+    RayQueryIntersectionRayQueryCommittedIntersectionKHR = 1,
+    RayQueryIntersectionMax = 0x7fffffff,
+};
+
+enum RayQueryCommittedIntersectionType {
+    RayQueryCommittedIntersectionTypeRayQueryCommittedIntersectionNoneKHR = 0,
+    RayQueryCommittedIntersectionTypeRayQueryCommittedIntersectionTriangleKHR = 1,
+    RayQueryCommittedIntersectionTypeRayQueryCommittedIntersectionGeneratedKHR = 2,
+    RayQueryCommittedIntersectionTypeMax = 0x7fffffff,
+};
+
+enum RayQueryCandidateIntersectionType {
+    RayQueryCandidateIntersectionTypeRayQueryCandidateIntersectionTriangleKHR = 0,
+    RayQueryCandidateIntersectionTypeRayQueryCandidateIntersectionAABBKHR = 1,
+    RayQueryCandidateIntersectionTypeMax = 0x7fffffff,
+};
+
 enum Op {
     OpNop = 0,
     OpUndef = 1,
@@ -1254,6 +1332,13 @@
     OpSubgroupAnyKHR = 4429,
     OpSubgroupAllEqualKHR = 4430,
     OpSubgroupReadInvocationKHR = 4432,
+    OpTypeRayQueryProvisionalKHR = 4472,
+    OpRayQueryInitializeKHR = 4473,
+    OpRayQueryTerminateKHR = 4474,
+    OpRayQueryGenerateIntersectionKHR = 4475,
+    OpRayQueryConfirmIntersectionKHR = 4476,
+    OpRayQueryProceedKHR = 4477,
+    OpRayQueryGetIntersectionTypeKHR = 4479,
     OpGroupIAddNonUniformAMD = 5000,
     OpGroupFAddNonUniformAMD = 5001,
     OpGroupFMinNonUniformAMD = 5002,
@@ -1268,11 +1353,17 @@
     OpImageSampleFootprintNV = 5283,
     OpGroupNonUniformPartitionNV = 5296,
     OpWritePackedPrimitiveIndices4x8NV = 5299,
+    OpReportIntersectionKHR = 5334,
     OpReportIntersectionNV = 5334,
+    OpIgnoreIntersectionKHR = 5335,
     OpIgnoreIntersectionNV = 5335,
+    OpTerminateRayKHR = 5336,
     OpTerminateRayNV = 5336,
     OpTraceNV = 5337,
+    OpTraceRayKHR = 5337,
+    OpTypeAccelerationStructureKHR = 5341,
     OpTypeAccelerationStructureNV = 5341,
+    OpExecuteCallableKHR = 5344,
     OpExecuteCallableNV = 5344,
     OpTypeCooperativeMatrixNV = 5358,
     OpCooperativeMatrixLoadNV = 5359,
@@ -1429,6 +1520,23 @@
     OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL = 5814,
     OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL = 5815,
     OpSubgroupAvcSicGetInterRawSadsINTEL = 5816,
+    OpRayQueryGetRayTMinKHR = 6016,
+    OpRayQueryGetRayFlagsKHR = 6017,
+    OpRayQueryGetIntersectionTKHR = 6018,
+    OpRayQueryGetIntersectionInstanceCustomIndexKHR = 6019,
+    OpRayQueryGetIntersectionInstanceIdKHR = 6020,
+    OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR = 6021,
+    OpRayQueryGetIntersectionGeometryIndexKHR = 6022,
+    OpRayQueryGetIntersectionPrimitiveIndexKHR = 6023,
+    OpRayQueryGetIntersectionBarycentricsKHR = 6024,
+    OpRayQueryGetIntersectionFrontFaceKHR = 6025,
+    OpRayQueryGetIntersectionCandidateAABBOpaqueKHR = 6026,
+    OpRayQueryGetIntersectionObjectRayDirectionKHR = 6027,
+    OpRayQueryGetIntersectionObjectRayOriginKHR = 6028,
+    OpRayQueryGetWorldRayDirectionKHR = 6029,
+    OpRayQueryGetWorldRayOriginKHR = 6030,
+    OpRayQueryGetIntersectionObjectToWorldKHR = 6031,
+    OpRayQueryGetIntersectionWorldToObjectKHR = 6032,
     OpMax = 0x7fffffff,
 };
 
@@ -1806,6 +1914,30 @@
     case OpTerminateRayNV: *hasResult = false; *hasResultType = false; break;
     case OpTraceNV: *hasResult = false; *hasResultType = false; break;
     case OpTypeAccelerationStructureNV: *hasResult = true; *hasResultType = false; break;
+    case OpTypeRayQueryProvisionalKHR: *hasResult = true; *hasResultType = false; break;
+    case OpRayQueryInitializeKHR: *hasResult = false; *hasResultType = false; break;
+    case OpRayQueryTerminateKHR: *hasResult = false; *hasResultType = false; break;
+    case OpRayQueryGenerateIntersectionKHR: *hasResult = false; *hasResultType = false; break;
+    case OpRayQueryConfirmIntersectionKHR: *hasResult = false; *hasResultType = false; break;
+    case OpRayQueryProceedKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionTypeKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetRayTMinKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetRayFlagsKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionTKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionInstanceCustomIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionInstanceIdKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionGeometryIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionPrimitiveIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionBarycentricsKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionFrontFaceKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionCandidateAABBOpaqueKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionObjectRayDirectionKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionObjectRayOriginKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetWorldRayDirectionKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetWorldRayOriginKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionObjectToWorldKHR: *hasResult = true; *hasResultType = true; break;
+    case OpRayQueryGetIntersectionWorldToObjectKHR: *hasResult = true; *hasResultType = true; break;
     case OpExecuteCallableNV: *hasResult = false; *hasResultType = false; break;
     case OpTypeCooperativeMatrixNV: *hasResult = true; *hasResultType = false; break;
     case OpCooperativeMatrixLoadNV: *hasResult = true; *hasResultType = true; break;
@@ -1974,6 +2106,7 @@
 inline MemorySemanticsMask operator|(MemorySemanticsMask a, MemorySemanticsMask b) { return MemorySemanticsMask(unsigned(a) | unsigned(b)); }
 inline MemoryAccessMask operator|(MemoryAccessMask a, MemoryAccessMask b) { return MemoryAccessMask(unsigned(a) | unsigned(b)); }
 inline KernelProfilingInfoMask operator|(KernelProfilingInfoMask a, KernelProfilingInfoMask b) { return KernelProfilingInfoMask(unsigned(a) | unsigned(b)); }
+inline RayFlagsMask operator|(RayFlagsMask a, RayFlagsMask b) { return RayFlagsMask(unsigned(a) | unsigned(b)); }
 
 }  // end namespace spv
 
diff --git a/include/spirv/unified1/spirv.hpp11 b/include/spirv/unified1/spirv.hpp11
index 34ee3b4..406ba19 100644
--- a/include/spirv/unified1/spirv.hpp11
+++ b/include/spirv/unified1/spirv.hpp11
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -78,11 +78,17 @@
     Kernel = 6,
     TaskNV = 5267,
     MeshNV = 5268,
+    RayGenerationKHR = 5313,
     RayGenerationNV = 5313,
+    IntersectionKHR = 5314,
     IntersectionNV = 5314,
+    AnyHitKHR = 5315,
     AnyHitNV = 5315,
+    ClosestHitKHR = 5316,
     ClosestHitNV = 5316,
+    MissKHR = 5317,
     MissNV = 5317,
+    CallableKHR = 5318,
     CallableNV = 5318,
     Max = 0x7fffffff,
 };
@@ -179,11 +185,17 @@
     AtomicCounter = 10,
     Image = 11,
     StorageBuffer = 12,
+    CallableDataKHR = 5328,
     CallableDataNV = 5328,
+    IncomingCallableDataKHR = 5329,
     IncomingCallableDataNV = 5329,
+    RayPayloadKHR = 5338,
     RayPayloadNV = 5338,
+    HitAttributeKHR = 5339,
     HitAttributeNV = 5339,
+    IncomingRayPayloadKHR = 5342,
     IncomingRayPayloadNV = 5342,
+    ShaderRecordBufferKHR = 5343,
     ShaderRecordBufferNV = 5343,
     PhysicalStorageBuffer = 5349,
     PhysicalStorageBufferEXT = 5349,
@@ -558,20 +570,35 @@
     FragmentSizeNV = 5292,
     FragInvocationCountEXT = 5293,
     InvocationsPerPixelNV = 5293,
+    LaunchIdKHR = 5319,
     LaunchIdNV = 5319,
+    LaunchSizeKHR = 5320,
     LaunchSizeNV = 5320,
+    WorldRayOriginKHR = 5321,
     WorldRayOriginNV = 5321,
+    WorldRayDirectionKHR = 5322,
     WorldRayDirectionNV = 5322,
+    ObjectRayOriginKHR = 5323,
     ObjectRayOriginNV = 5323,
+    ObjectRayDirectionKHR = 5324,
     ObjectRayDirectionNV = 5324,
+    RayTminKHR = 5325,
     RayTminNV = 5325,
+    RayTmaxKHR = 5326,
     RayTmaxNV = 5326,
+    InstanceCustomIndexKHR = 5327,
     InstanceCustomIndexNV = 5327,
+    ObjectToWorldKHR = 5330,
     ObjectToWorldNV = 5330,
+    WorldToObjectKHR = 5331,
     WorldToObjectNV = 5331,
+    HitTKHR = 5332,
     HitTNV = 5332,
+    HitKindKHR = 5333,
     HitKindNV = 5333,
+    IncomingRayFlagsKHR = 5351,
     IncomingRayFlagsNV = 5351,
+    RayGeometryIndexKHR = 5352,
     WarpsPerSMNV = 5374,
     SMCountNV = 5375,
     WarpIDNV = 5376,
@@ -709,6 +736,7 @@
     Invocation = 4,
     QueueFamily = 5,
     QueueFamilyKHR = 5,
+    ShaderCallKHR = 6,
     Max = 0x7fffffff,
 };
 
@@ -833,6 +861,8 @@
     SignedZeroInfNanPreserve = 4466,
     RoundingModeRTE = 4467,
     RoundingModeRTZ = 4468,
+    RayQueryProvisionalKHR = 4471,
+    RayTraversalPrimitiveCullingProvisionalKHR = 4478,
     Float16ImageAMD = 5008,
     ImageGatherBiasLodAMD = 5009,
     FragmentMaskAMD = 5010,
@@ -886,6 +916,7 @@
     PhysicalStorageBufferAddresses = 5347,
     PhysicalStorageBufferAddressesEXT = 5347,
     ComputeDerivativeGroupLinearNV = 5350,
+    RayTracingProvisionalKHR = 5353,
     CooperativeMatrixNV = 5357,
     FragmentShaderSampleInterlockEXT = 5363,
     FragmentShaderShadingRateInterlockEXT = 5372,
@@ -903,6 +934,53 @@
     Max = 0x7fffffff,
 };
 
+enum class RayFlagsShift : unsigned {
+    OpaqueKHR = 0,
+    NoOpaqueKHR = 1,
+    TerminateOnFirstHitKHR = 2,
+    SkipClosestHitShaderKHR = 3,
+    CullBackFacingTrianglesKHR = 4,
+    CullFrontFacingTrianglesKHR = 5,
+    CullOpaqueKHR = 6,
+    CullNoOpaqueKHR = 7,
+    SkipTrianglesKHR = 8,
+    SkipAABBsKHR = 9,
+    Max = 0x7fffffff,
+};
+
+enum class RayFlagsMask : unsigned {
+    MaskNone = 0,
+    OpaqueKHR = 0x00000001,
+    NoOpaqueKHR = 0x00000002,
+    TerminateOnFirstHitKHR = 0x00000004,
+    SkipClosestHitShaderKHR = 0x00000008,
+    CullBackFacingTrianglesKHR = 0x00000010,
+    CullFrontFacingTrianglesKHR = 0x00000020,
+    CullOpaqueKHR = 0x00000040,
+    CullNoOpaqueKHR = 0x00000080,
+    SkipTrianglesKHR = 0x00000100,
+    SkipAABBsKHR = 0x00000200,
+};
+
+enum class RayQueryIntersection : unsigned {
+    RayQueryCandidateIntersectionKHR = 0,
+    RayQueryCommittedIntersectionKHR = 1,
+    Max = 0x7fffffff,
+};
+
+enum class RayQueryCommittedIntersectionType : unsigned {
+    RayQueryCommittedIntersectionNoneKHR = 0,
+    RayQueryCommittedIntersectionTriangleKHR = 1,
+    RayQueryCommittedIntersectionGeneratedKHR = 2,
+    Max = 0x7fffffff,
+};
+
+enum class RayQueryCandidateIntersectionType : unsigned {
+    RayQueryCandidateIntersectionTriangleKHR = 0,
+    RayQueryCandidateIntersectionAABBKHR = 1,
+    Max = 0x7fffffff,
+};
+
 enum class Op : unsigned {
     OpNop = 0,
     OpUndef = 1,
@@ -1254,6 +1332,13 @@
     OpSubgroupAnyKHR = 4429,
     OpSubgroupAllEqualKHR = 4430,
     OpSubgroupReadInvocationKHR = 4432,
+    OpTypeRayQueryProvisionalKHR = 4472,
+    OpRayQueryInitializeKHR = 4473,
+    OpRayQueryTerminateKHR = 4474,
+    OpRayQueryGenerateIntersectionKHR = 4475,
+    OpRayQueryConfirmIntersectionKHR = 4476,
+    OpRayQueryProceedKHR = 4477,
+    OpRayQueryGetIntersectionTypeKHR = 4479,
     OpGroupIAddNonUniformAMD = 5000,
     OpGroupFAddNonUniformAMD = 5001,
     OpGroupFMinNonUniformAMD = 5002,
@@ -1268,11 +1353,17 @@
     OpImageSampleFootprintNV = 5283,
     OpGroupNonUniformPartitionNV = 5296,
     OpWritePackedPrimitiveIndices4x8NV = 5299,
+    OpReportIntersectionKHR = 5334,
     OpReportIntersectionNV = 5334,
+    OpIgnoreIntersectionKHR = 5335,
     OpIgnoreIntersectionNV = 5335,
+    OpTerminateRayKHR = 5336,
     OpTerminateRayNV = 5336,
     OpTraceNV = 5337,
+    OpTraceRayKHR = 5337,
+    OpTypeAccelerationStructureKHR = 5341,
     OpTypeAccelerationStructureNV = 5341,
+    OpExecuteCallableKHR = 5344,
     OpExecuteCallableNV = 5344,
     OpTypeCooperativeMatrixNV = 5358,
     OpCooperativeMatrixLoadNV = 5359,
@@ -1429,6 +1520,23 @@
     OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL = 5814,
     OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL = 5815,
     OpSubgroupAvcSicGetInterRawSadsINTEL = 5816,
+    OpRayQueryGetRayTMinKHR = 6016,
+    OpRayQueryGetRayFlagsKHR = 6017,
+    OpRayQueryGetIntersectionTKHR = 6018,
+    OpRayQueryGetIntersectionInstanceCustomIndexKHR = 6019,
+    OpRayQueryGetIntersectionInstanceIdKHR = 6020,
+    OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR = 6021,
+    OpRayQueryGetIntersectionGeometryIndexKHR = 6022,
+    OpRayQueryGetIntersectionPrimitiveIndexKHR = 6023,
+    OpRayQueryGetIntersectionBarycentricsKHR = 6024,
+    OpRayQueryGetIntersectionFrontFaceKHR = 6025,
+    OpRayQueryGetIntersectionCandidateAABBOpaqueKHR = 6026,
+    OpRayQueryGetIntersectionObjectRayDirectionKHR = 6027,
+    OpRayQueryGetIntersectionObjectRayOriginKHR = 6028,
+    OpRayQueryGetWorldRayDirectionKHR = 6029,
+    OpRayQueryGetWorldRayOriginKHR = 6030,
+    OpRayQueryGetIntersectionObjectToWorldKHR = 6031,
+    OpRayQueryGetIntersectionWorldToObjectKHR = 6032,
     Max = 0x7fffffff,
 };
 
@@ -1806,6 +1914,30 @@
     case Op::OpTerminateRayNV: *hasResult = false; *hasResultType = false; break;
     case Op::OpTraceNV: *hasResult = false; *hasResultType = false; break;
     case Op::OpTypeAccelerationStructureNV: *hasResult = true; *hasResultType = false; break;
+    case Op::OpTypeRayQueryProvisionalKHR: *hasResult = true; *hasResultType = false; break;
+    case Op::OpRayQueryInitializeKHR: *hasResult = false; *hasResultType = false; break;
+    case Op::OpRayQueryTerminateKHR: *hasResult = false; *hasResultType = false; break;
+    case Op::OpRayQueryGenerateIntersectionKHR: *hasResult = false; *hasResultType = false; break;
+    case Op::OpRayQueryConfirmIntersectionKHR: *hasResult = false; *hasResultType = false; break;
+    case Op::OpRayQueryProceedKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionTypeKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetRayTMinKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetRayFlagsKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionTKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionInstanceCustomIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionInstanceIdKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionGeometryIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionPrimitiveIndexKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionBarycentricsKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionFrontFaceKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionCandidateAABBOpaqueKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionObjectRayDirectionKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionObjectRayOriginKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetWorldRayDirectionKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetWorldRayOriginKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionObjectToWorldKHR: *hasResult = true; *hasResultType = true; break;
+    case Op::OpRayQueryGetIntersectionWorldToObjectKHR: *hasResult = true; *hasResultType = true; break;
     case Op::OpExecuteCallableNV: *hasResult = false; *hasResultType = false; break;
     case Op::OpTypeCooperativeMatrixNV: *hasResult = true; *hasResultType = false; break;
     case Op::OpCooperativeMatrixLoadNV: *hasResult = true; *hasResultType = true; break;
@@ -1974,6 +2106,7 @@
 inline MemorySemanticsMask operator|(MemorySemanticsMask a, MemorySemanticsMask b) { return MemorySemanticsMask(unsigned(a) | unsigned(b)); }
 inline MemoryAccessMask operator|(MemoryAccessMask a, MemoryAccessMask b) { return MemoryAccessMask(unsigned(a) | unsigned(b)); }
 inline KernelProfilingInfoMask operator|(KernelProfilingInfoMask a, KernelProfilingInfoMask b) { return KernelProfilingInfoMask(unsigned(a) | unsigned(b)); }
+inline RayFlagsMask operator|(RayFlagsMask a, RayFlagsMask b) { return RayFlagsMask(unsigned(a) | unsigned(b)); }
 
 }  // end namespace spv
 
diff --git a/include/spirv/unified1/spirv.json b/include/spirv/unified1/spirv.json
index b08a1a5..d372beb 100644
--- a/include/spirv/unified1/spirv.json
+++ b/include/spirv/unified1/spirv.json
@@ -6,7 +6,7 @@
             "Comment":
             [
                 [
-                    "Copyright (c) 2014-2019 The Khronos Group Inc.",
+                    "Copyright (c) 2014-2020 The Khronos Group Inc.",
                     "",
                     "Permission is hereby granted, free of charge, to any person obtaining a copy",
                     "of this software and/or associated documentation files (the \"Materials\"),",
@@ -88,11 +88,17 @@
                     "Kernel": 6,
                     "TaskNV": 5267,
                     "MeshNV": 5268,
+                    "RayGenerationKHR": 5313,
                     "RayGenerationNV": 5313,
+                    "IntersectionKHR": 5314,
                     "IntersectionNV": 5314,
+                    "AnyHitKHR": 5315,
                     "AnyHitNV": 5315,
+                    "ClosestHitKHR": 5316,
                     "ClosestHitNV": 5316,
+                    "MissKHR": 5317,
                     "MissNV": 5317,
+                    "CallableKHR": 5318,
                     "CallableNV": 5318
                 }
             },
@@ -201,11 +207,17 @@
                     "AtomicCounter": 10,
                     "Image": 11,
                     "StorageBuffer": 12,
+                    "CallableDataKHR": 5328,
                     "CallableDataNV": 5328,
+                    "IncomingCallableDataKHR": 5329,
                     "IncomingCallableDataNV": 5329,
+                    "RayPayloadKHR": 5338,
                     "RayPayloadNV": 5338,
+                    "HitAttributeKHR": 5339,
                     "HitAttributeNV": 5339,
+                    "IncomingRayPayloadKHR": 5342,
                     "IncomingRayPayloadNV": 5342,
+                    "ShaderRecordBufferKHR": 5343,
                     "ShaderRecordBufferNV": 5343,
                     "PhysicalStorageBuffer": 5349,
                     "PhysicalStorageBufferEXT": 5349
@@ -591,20 +603,35 @@
                     "FragmentSizeNV": 5292,
                     "FragInvocationCountEXT": 5293,
                     "InvocationsPerPixelNV": 5293,
+                    "LaunchIdKHR": 5319,
                     "LaunchIdNV": 5319,
+                    "LaunchSizeKHR": 5320,
                     "LaunchSizeNV": 5320,
+                    "WorldRayOriginKHR": 5321,
                     "WorldRayOriginNV": 5321,
+                    "WorldRayDirectionKHR": 5322,
                     "WorldRayDirectionNV": 5322,
+                    "ObjectRayOriginKHR": 5323,
                     "ObjectRayOriginNV": 5323,
+                    "ObjectRayDirectionKHR": 5324,
                     "ObjectRayDirectionNV": 5324,
+                    "RayTminKHR": 5325,
                     "RayTminNV": 5325,
+                    "RayTmaxKHR": 5326,
                     "RayTmaxNV": 5326,
+                    "InstanceCustomIndexKHR": 5327,
                     "InstanceCustomIndexNV": 5327,
+                    "ObjectToWorldKHR": 5330,
                     "ObjectToWorldNV": 5330,
+                    "WorldToObjectKHR": 5331,
                     "WorldToObjectNV": 5331,
+                    "HitTKHR": 5332,
                     "HitTNV": 5332,
+                    "HitKindKHR": 5333,
                     "HitKindNV": 5333,
+                    "IncomingRayFlagsKHR": 5351,
                     "IncomingRayFlagsNV": 5351,
+                    "RayGeometryIndexKHR": 5352,
                     "WarpsPerSMNV": 5374,
                     "SMCountNV": 5375,
                     "WarpIDNV": 5376,
@@ -698,7 +725,8 @@
                     "Subgroup": 3,
                     "Invocation": 4,
                     "QueueFamily": 5,
-                    "QueueFamilyKHR": 5
+                    "QueueFamilyKHR": 5,
+                    "ShaderCallKHR": 6
                 }
             },
             {
@@ -830,6 +858,8 @@
                     "SignedZeroInfNanPreserve": 4466,
                     "RoundingModeRTE": 4467,
                     "RoundingModeRTZ": 4468,
+                    "RayQueryProvisionalKHR": 4471,
+                    "RayTraversalPrimitiveCullingProvisionalKHR": 4478,
                     "Float16ImageAMD": 5008,
                     "ImageGatherBiasLodAMD": 5009,
                     "FragmentMaskAMD": 5010,
@@ -883,6 +913,7 @@
                     "PhysicalStorageBufferAddresses": 5347,
                     "PhysicalStorageBufferAddressesEXT": 5347,
                     "ComputeDerivativeGroupLinearNV": 5350,
+                    "RayTracingProvisionalKHR": 5353,
                     "CooperativeMatrixNV": 5357,
                     "FragmentShaderSampleInterlockEXT": 5363,
                     "FragmentShaderShadingRateInterlockEXT": 5372,
@@ -900,6 +931,51 @@
                 }
             },
             {
+                "Name": "RayFlags",
+                "Type": "Bit",
+                "Values":
+                {
+                    "OpaqueKHR": 0,
+                    "NoOpaqueKHR": 1,
+                    "TerminateOnFirstHitKHR": 2,
+                    "SkipClosestHitShaderKHR": 3,
+                    "CullBackFacingTrianglesKHR": 4,
+                    "CullFrontFacingTrianglesKHR": 5,
+                    "CullOpaqueKHR": 6,
+                    "CullNoOpaqueKHR": 7,
+                    "SkipTrianglesKHR": 8,
+                    "SkipAABBsKHR": 9
+                }
+            },
+            {
+                "Name": "RayQueryIntersection",
+                "Type": "Value",
+                "Values":
+                {
+                    "RayQueryCandidateIntersectionKHR": 0,
+                    "RayQueryCommittedIntersectionKHR": 1
+                }
+            },
+            {
+                "Name": "RayQueryCommittedIntersectionType",
+                "Type": "Value",
+                "Values":
+                {
+                    "RayQueryCommittedIntersectionNoneKHR": 0,
+                    "RayQueryCommittedIntersectionTriangleKHR": 1,
+                    "RayQueryCommittedIntersectionGeneratedKHR": 2
+                }
+            },
+            {
+                "Name": "RayQueryCandidateIntersectionType",
+                "Type": "Value",
+                "Values":
+                {
+                    "RayQueryCandidateIntersectionTriangleKHR": 0,
+                    "RayQueryCandidateIntersectionAABBKHR": 1
+                }
+            },
+            {
                 "Name": "Op",
                 "Type": "Value",
                 "Values":
@@ -1254,6 +1330,13 @@
                     "OpSubgroupAnyKHR": 4429,
                     "OpSubgroupAllEqualKHR": 4430,
                     "OpSubgroupReadInvocationKHR": 4432,
+                    "OpTypeRayQueryProvisionalKHR": 4472,
+                    "OpRayQueryInitializeKHR": 4473,
+                    "OpRayQueryTerminateKHR": 4474,
+                    "OpRayQueryGenerateIntersectionKHR": 4475,
+                    "OpRayQueryConfirmIntersectionKHR": 4476,
+                    "OpRayQueryProceedKHR": 4477,
+                    "OpRayQueryGetIntersectionTypeKHR": 4479,
                     "OpGroupIAddNonUniformAMD": 5000,
                     "OpGroupFAddNonUniformAMD": 5001,
                     "OpGroupFMinNonUniformAMD": 5002,
@@ -1268,11 +1351,17 @@
                     "OpImageSampleFootprintNV": 5283,
                     "OpGroupNonUniformPartitionNV": 5296,
                     "OpWritePackedPrimitiveIndices4x8NV": 5299,
+                    "OpReportIntersectionKHR": 5334,
                     "OpReportIntersectionNV": 5334,
+                    "OpIgnoreIntersectionKHR": 5335,
                     "OpIgnoreIntersectionNV": 5335,
+                    "OpTerminateRayKHR": 5336,
                     "OpTerminateRayNV": 5336,
                     "OpTraceNV": 5337,
+                    "OpTraceRayKHR": 5337,
+                    "OpTypeAccelerationStructureKHR": 5341,
                     "OpTypeAccelerationStructureNV": 5341,
+                    "OpExecuteCallableKHR": 5344,
                     "OpExecuteCallableNV": 5344,
                     "OpTypeCooperativeMatrixNV": 5358,
                     "OpCooperativeMatrixLoadNV": 5359,
@@ -1428,7 +1517,24 @@
                     "OpSubgroupAvcSicGetIpeChromaModeINTEL": 5813,
                     "OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL": 5814,
                     "OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL": 5815,
-                    "OpSubgroupAvcSicGetInterRawSadsINTEL": 5816
+                    "OpSubgroupAvcSicGetInterRawSadsINTEL": 5816,
+                    "OpRayQueryGetRayTMinKHR": 6016,
+                    "OpRayQueryGetRayFlagsKHR": 6017,
+                    "OpRayQueryGetIntersectionTKHR": 6018,
+                    "OpRayQueryGetIntersectionInstanceCustomIndexKHR": 6019,
+                    "OpRayQueryGetIntersectionInstanceIdKHR": 6020,
+                    "OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR": 6021,
+                    "OpRayQueryGetIntersectionGeometryIndexKHR": 6022,
+                    "OpRayQueryGetIntersectionPrimitiveIndexKHR": 6023,
+                    "OpRayQueryGetIntersectionBarycentricsKHR": 6024,
+                    "OpRayQueryGetIntersectionFrontFaceKHR": 6025,
+                    "OpRayQueryGetIntersectionCandidateAABBOpaqueKHR": 6026,
+                    "OpRayQueryGetIntersectionObjectRayDirectionKHR": 6027,
+                    "OpRayQueryGetIntersectionObjectRayOriginKHR": 6028,
+                    "OpRayQueryGetWorldRayDirectionKHR": 6029,
+                    "OpRayQueryGetWorldRayOriginKHR": 6030,
+                    "OpRayQueryGetIntersectionObjectToWorldKHR": 6031,
+                    "OpRayQueryGetIntersectionWorldToObjectKHR": 6032
                 }
             }
         ]
diff --git a/include/spirv/unified1/spirv.lua b/include/spirv/unified1/spirv.lua
index 27385db..3774a95 100644
--- a/include/spirv/unified1/spirv.lua
+++ b/include/spirv/unified1/spirv.lua
@@ -1,4 +1,4 @@
--- Copyright (c) 2014-2019 The Khronos Group Inc.
+-- Copyright (c) 2014-2020 The Khronos Group Inc.
 -- 
 -- Permission is hereby granted, free of charge, to any person obtaining a copy
 -- of this software and/or associated documentation files (the "Materials"),
@@ -68,11 +68,17 @@
         Kernel = 6,
         TaskNV = 5267,
         MeshNV = 5268,
+        RayGenerationKHR = 5313,
         RayGenerationNV = 5313,
+        IntersectionKHR = 5314,
         IntersectionNV = 5314,
+        AnyHitKHR = 5315,
         AnyHitNV = 5315,
+        ClosestHitKHR = 5316,
         ClosestHitNV = 5316,
+        MissKHR = 5317,
         MissNV = 5317,
+        CallableKHR = 5318,
         CallableNV = 5318,
     },
 
@@ -165,11 +171,17 @@
         AtomicCounter = 10,
         Image = 11,
         StorageBuffer = 12,
+        CallableDataKHR = 5328,
         CallableDataNV = 5328,
+        IncomingCallableDataKHR = 5329,
         IncomingCallableDataNV = 5329,
+        RayPayloadKHR = 5338,
         RayPayloadNV = 5338,
+        HitAttributeKHR = 5339,
         HitAttributeNV = 5339,
+        IncomingRayPayloadKHR = 5342,
         IncomingRayPayloadNV = 5342,
+        ShaderRecordBufferKHR = 5343,
         ShaderRecordBufferNV = 5343,
         PhysicalStorageBuffer = 5349,
         PhysicalStorageBufferEXT = 5349,
@@ -530,20 +542,35 @@
         FragmentSizeNV = 5292,
         FragInvocationCountEXT = 5293,
         InvocationsPerPixelNV = 5293,
+        LaunchIdKHR = 5319,
         LaunchIdNV = 5319,
+        LaunchSizeKHR = 5320,
         LaunchSizeNV = 5320,
+        WorldRayOriginKHR = 5321,
         WorldRayOriginNV = 5321,
+        WorldRayDirectionKHR = 5322,
         WorldRayDirectionNV = 5322,
+        ObjectRayOriginKHR = 5323,
         ObjectRayOriginNV = 5323,
+        ObjectRayDirectionKHR = 5324,
         ObjectRayDirectionNV = 5324,
+        RayTminKHR = 5325,
         RayTminNV = 5325,
+        RayTmaxKHR = 5326,
         RayTmaxNV = 5326,
+        InstanceCustomIndexKHR = 5327,
         InstanceCustomIndexNV = 5327,
+        ObjectToWorldKHR = 5330,
         ObjectToWorldNV = 5330,
+        WorldToObjectKHR = 5331,
         WorldToObjectNV = 5331,
+        HitTKHR = 5332,
         HitTNV = 5332,
+        HitKindKHR = 5333,
         HitKindNV = 5333,
+        IncomingRayFlagsKHR = 5351,
         IncomingRayFlagsNV = 5351,
+        RayGeometryIndexKHR = 5352,
         WarpsPerSMNV = 5374,
         SMCountNV = 5375,
         WarpIDNV = 5376,
@@ -675,6 +702,7 @@
         Invocation = 4,
         QueueFamily = 5,
         QueueFamilyKHR = 5,
+        ShaderCallKHR = 6,
     },
 
     GroupOperation = {
@@ -795,6 +823,8 @@
         SignedZeroInfNanPreserve = 4466,
         RoundingModeRTE = 4467,
         RoundingModeRTZ = 4468,
+        RayQueryProvisionalKHR = 4471,
+        RayTraversalPrimitiveCullingProvisionalKHR = 4478,
         Float16ImageAMD = 5008,
         ImageGatherBiasLodAMD = 5009,
         FragmentMaskAMD = 5010,
@@ -848,6 +878,7 @@
         PhysicalStorageBufferAddresses = 5347,
         PhysicalStorageBufferAddressesEXT = 5347,
         ComputeDerivativeGroupLinearNV = 5350,
+        RayTracingProvisionalKHR = 5353,
         CooperativeMatrixNV = 5357,
         FragmentShaderSampleInterlockEXT = 5363,
         FragmentShaderShadingRateInterlockEXT = 5372,
@@ -864,6 +895,49 @@
         SubgroupAvcMotionEstimationChromaINTEL = 5698,
     },
 
+    RayFlagsShift = {
+        OpaqueKHR = 0,
+        NoOpaqueKHR = 1,
+        TerminateOnFirstHitKHR = 2,
+        SkipClosestHitShaderKHR = 3,
+        CullBackFacingTrianglesKHR = 4,
+        CullFrontFacingTrianglesKHR = 5,
+        CullOpaqueKHR = 6,
+        CullNoOpaqueKHR = 7,
+        SkipTrianglesKHR = 8,
+        SkipAABBsKHR = 9,
+    },
+
+    RayFlagsMask = {
+        MaskNone = 0,
+        OpaqueKHR = 0x00000001,
+        NoOpaqueKHR = 0x00000002,
+        TerminateOnFirstHitKHR = 0x00000004,
+        SkipClosestHitShaderKHR = 0x00000008,
+        CullBackFacingTrianglesKHR = 0x00000010,
+        CullFrontFacingTrianglesKHR = 0x00000020,
+        CullOpaqueKHR = 0x00000040,
+        CullNoOpaqueKHR = 0x00000080,
+        SkipTrianglesKHR = 0x00000100,
+        SkipAABBsKHR = 0x00000200,
+    },
+
+    RayQueryIntersection = {
+        RayQueryCandidateIntersectionKHR = 0,
+        RayQueryCommittedIntersectionKHR = 1,
+    },
+
+    RayQueryCommittedIntersectionType = {
+        RayQueryCommittedIntersectionNoneKHR = 0,
+        RayQueryCommittedIntersectionTriangleKHR = 1,
+        RayQueryCommittedIntersectionGeneratedKHR = 2,
+    },
+
+    RayQueryCandidateIntersectionType = {
+        RayQueryCandidateIntersectionTriangleKHR = 0,
+        RayQueryCandidateIntersectionAABBKHR = 1,
+    },
+
     Op = {
         OpNop = 0,
         OpUndef = 1,
@@ -1215,6 +1289,13 @@
         OpSubgroupAnyKHR = 4429,
         OpSubgroupAllEqualKHR = 4430,
         OpSubgroupReadInvocationKHR = 4432,
+        OpTypeRayQueryProvisionalKHR = 4472,
+        OpRayQueryInitializeKHR = 4473,
+        OpRayQueryTerminateKHR = 4474,
+        OpRayQueryGenerateIntersectionKHR = 4475,
+        OpRayQueryConfirmIntersectionKHR = 4476,
+        OpRayQueryProceedKHR = 4477,
+        OpRayQueryGetIntersectionTypeKHR = 4479,
         OpGroupIAddNonUniformAMD = 5000,
         OpGroupFAddNonUniformAMD = 5001,
         OpGroupFMinNonUniformAMD = 5002,
@@ -1229,11 +1310,17 @@
         OpImageSampleFootprintNV = 5283,
         OpGroupNonUniformPartitionNV = 5296,
         OpWritePackedPrimitiveIndices4x8NV = 5299,
+        OpReportIntersectionKHR = 5334,
         OpReportIntersectionNV = 5334,
+        OpIgnoreIntersectionKHR = 5335,
         OpIgnoreIntersectionNV = 5335,
+        OpTerminateRayKHR = 5336,
         OpTerminateRayNV = 5336,
         OpTraceNV = 5337,
+        OpTraceRayKHR = 5337,
+        OpTypeAccelerationStructureKHR = 5341,
         OpTypeAccelerationStructureNV = 5341,
+        OpExecuteCallableKHR = 5344,
         OpExecuteCallableNV = 5344,
         OpTypeCooperativeMatrixNV = 5358,
         OpCooperativeMatrixLoadNV = 5359,
@@ -1390,6 +1477,23 @@
         OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL = 5814,
         OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL = 5815,
         OpSubgroupAvcSicGetInterRawSadsINTEL = 5816,
+        OpRayQueryGetRayTMinKHR = 6016,
+        OpRayQueryGetRayFlagsKHR = 6017,
+        OpRayQueryGetIntersectionTKHR = 6018,
+        OpRayQueryGetIntersectionInstanceCustomIndexKHR = 6019,
+        OpRayQueryGetIntersectionInstanceIdKHR = 6020,
+        OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR = 6021,
+        OpRayQueryGetIntersectionGeometryIndexKHR = 6022,
+        OpRayQueryGetIntersectionPrimitiveIndexKHR = 6023,
+        OpRayQueryGetIntersectionBarycentricsKHR = 6024,
+        OpRayQueryGetIntersectionFrontFaceKHR = 6025,
+        OpRayQueryGetIntersectionCandidateAABBOpaqueKHR = 6026,
+        OpRayQueryGetIntersectionObjectRayDirectionKHR = 6027,
+        OpRayQueryGetIntersectionObjectRayOriginKHR = 6028,
+        OpRayQueryGetWorldRayDirectionKHR = 6029,
+        OpRayQueryGetWorldRayOriginKHR = 6030,
+        OpRayQueryGetIntersectionObjectToWorldKHR = 6031,
+        OpRayQueryGetIntersectionWorldToObjectKHR = 6032,
     },
 
 }
diff --git a/include/spirv/unified1/spirv.py b/include/spirv/unified1/spirv.py
index 6968e7b..a7344aa 100644
--- a/include/spirv/unified1/spirv.py
+++ b/include/spirv/unified1/spirv.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2014-2019 The Khronos Group Inc.
+# Copyright (c) 2014-2020 The Khronos Group Inc.
 # 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and/or associated documentation files (the "Materials"),
@@ -68,11 +68,17 @@
         'Kernel' : 6,
         'TaskNV' : 5267,
         'MeshNV' : 5268,
+        'RayGenerationKHR' : 5313,
         'RayGenerationNV' : 5313,
+        'IntersectionKHR' : 5314,
         'IntersectionNV' : 5314,
+        'AnyHitKHR' : 5315,
         'AnyHitNV' : 5315,
+        'ClosestHitKHR' : 5316,
         'ClosestHitNV' : 5316,
+        'MissKHR' : 5317,
         'MissNV' : 5317,
+        'CallableKHR' : 5318,
         'CallableNV' : 5318,
     },
 
@@ -165,11 +171,17 @@
         'AtomicCounter' : 10,
         'Image' : 11,
         'StorageBuffer' : 12,
+        'CallableDataKHR' : 5328,
         'CallableDataNV' : 5328,
+        'IncomingCallableDataKHR' : 5329,
         'IncomingCallableDataNV' : 5329,
+        'RayPayloadKHR' : 5338,
         'RayPayloadNV' : 5338,
+        'HitAttributeKHR' : 5339,
         'HitAttributeNV' : 5339,
+        'IncomingRayPayloadKHR' : 5342,
         'IncomingRayPayloadNV' : 5342,
+        'ShaderRecordBufferKHR' : 5343,
         'ShaderRecordBufferNV' : 5343,
         'PhysicalStorageBuffer' : 5349,
         'PhysicalStorageBufferEXT' : 5349,
@@ -530,20 +542,35 @@
         'FragmentSizeNV' : 5292,
         'FragInvocationCountEXT' : 5293,
         'InvocationsPerPixelNV' : 5293,
+        'LaunchIdKHR' : 5319,
         'LaunchIdNV' : 5319,
+        'LaunchSizeKHR' : 5320,
         'LaunchSizeNV' : 5320,
+        'WorldRayOriginKHR' : 5321,
         'WorldRayOriginNV' : 5321,
+        'WorldRayDirectionKHR' : 5322,
         'WorldRayDirectionNV' : 5322,
+        'ObjectRayOriginKHR' : 5323,
         'ObjectRayOriginNV' : 5323,
+        'ObjectRayDirectionKHR' : 5324,
         'ObjectRayDirectionNV' : 5324,
+        'RayTminKHR' : 5325,
         'RayTminNV' : 5325,
+        'RayTmaxKHR' : 5326,
         'RayTmaxNV' : 5326,
+        'InstanceCustomIndexKHR' : 5327,
         'InstanceCustomIndexNV' : 5327,
+        'ObjectToWorldKHR' : 5330,
         'ObjectToWorldNV' : 5330,
+        'WorldToObjectKHR' : 5331,
         'WorldToObjectNV' : 5331,
+        'HitTKHR' : 5332,
         'HitTNV' : 5332,
+        'HitKindKHR' : 5333,
         'HitKindNV' : 5333,
+        'IncomingRayFlagsKHR' : 5351,
         'IncomingRayFlagsNV' : 5351,
+        'RayGeometryIndexKHR' : 5352,
         'WarpsPerSMNV' : 5374,
         'SMCountNV' : 5375,
         'WarpIDNV' : 5376,
@@ -675,6 +702,7 @@
         'Invocation' : 4,
         'QueueFamily' : 5,
         'QueueFamilyKHR' : 5,
+        'ShaderCallKHR' : 6,
     },
 
     'GroupOperation' : {
@@ -795,6 +823,8 @@
         'SignedZeroInfNanPreserve' : 4466,
         'RoundingModeRTE' : 4467,
         'RoundingModeRTZ' : 4468,
+        'RayQueryProvisionalKHR' : 4471,
+        'RayTraversalPrimitiveCullingProvisionalKHR' : 4478,
         'Float16ImageAMD' : 5008,
         'ImageGatherBiasLodAMD' : 5009,
         'FragmentMaskAMD' : 5010,
@@ -848,6 +878,7 @@
         'PhysicalStorageBufferAddresses' : 5347,
         'PhysicalStorageBufferAddressesEXT' : 5347,
         'ComputeDerivativeGroupLinearNV' : 5350,
+        'RayTracingProvisionalKHR' : 5353,
         'CooperativeMatrixNV' : 5357,
         'FragmentShaderSampleInterlockEXT' : 5363,
         'FragmentShaderShadingRateInterlockEXT' : 5372,
@@ -864,6 +895,49 @@
         'SubgroupAvcMotionEstimationChromaINTEL' : 5698,
     },
 
+    'RayFlagsShift' : {
+        'OpaqueKHR' : 0,
+        'NoOpaqueKHR' : 1,
+        'TerminateOnFirstHitKHR' : 2,
+        'SkipClosestHitShaderKHR' : 3,
+        'CullBackFacingTrianglesKHR' : 4,
+        'CullFrontFacingTrianglesKHR' : 5,
+        'CullOpaqueKHR' : 6,
+        'CullNoOpaqueKHR' : 7,
+        'SkipTrianglesKHR' : 8,
+        'SkipAABBsKHR' : 9,
+    },
+
+    'RayFlagsMask' : {
+        'MaskNone' : 0,
+        'OpaqueKHR' : 0x00000001,
+        'NoOpaqueKHR' : 0x00000002,
+        'TerminateOnFirstHitKHR' : 0x00000004,
+        'SkipClosestHitShaderKHR' : 0x00000008,
+        'CullBackFacingTrianglesKHR' : 0x00000010,
+        'CullFrontFacingTrianglesKHR' : 0x00000020,
+        'CullOpaqueKHR' : 0x00000040,
+        'CullNoOpaqueKHR' : 0x00000080,
+        'SkipTrianglesKHR' : 0x00000100,
+        'SkipAABBsKHR' : 0x00000200,
+    },
+
+    'RayQueryIntersection' : {
+        'RayQueryCandidateIntersectionKHR' : 0,
+        'RayQueryCommittedIntersectionKHR' : 1,
+    },
+
+    'RayQueryCommittedIntersectionType' : {
+        'RayQueryCommittedIntersectionNoneKHR' : 0,
+        'RayQueryCommittedIntersectionTriangleKHR' : 1,
+        'RayQueryCommittedIntersectionGeneratedKHR' : 2,
+    },
+
+    'RayQueryCandidateIntersectionType' : {
+        'RayQueryCandidateIntersectionTriangleKHR' : 0,
+        'RayQueryCandidateIntersectionAABBKHR' : 1,
+    },
+
     'Op' : {
         'OpNop' : 0,
         'OpUndef' : 1,
@@ -1215,6 +1289,13 @@
         'OpSubgroupAnyKHR' : 4429,
         'OpSubgroupAllEqualKHR' : 4430,
         'OpSubgroupReadInvocationKHR' : 4432,
+        'OpTypeRayQueryProvisionalKHR' : 4472,
+        'OpRayQueryInitializeKHR' : 4473,
+        'OpRayQueryTerminateKHR' : 4474,
+        'OpRayQueryGenerateIntersectionKHR' : 4475,
+        'OpRayQueryConfirmIntersectionKHR' : 4476,
+        'OpRayQueryProceedKHR' : 4477,
+        'OpRayQueryGetIntersectionTypeKHR' : 4479,
         'OpGroupIAddNonUniformAMD' : 5000,
         'OpGroupFAddNonUniformAMD' : 5001,
         'OpGroupFMinNonUniformAMD' : 5002,
@@ -1229,11 +1310,17 @@
         'OpImageSampleFootprintNV' : 5283,
         'OpGroupNonUniformPartitionNV' : 5296,
         'OpWritePackedPrimitiveIndices4x8NV' : 5299,
+        'OpReportIntersectionKHR' : 5334,
         'OpReportIntersectionNV' : 5334,
+        'OpIgnoreIntersectionKHR' : 5335,
         'OpIgnoreIntersectionNV' : 5335,
+        'OpTerminateRayKHR' : 5336,
         'OpTerminateRayNV' : 5336,
         'OpTraceNV' : 5337,
+        'OpTraceRayKHR' : 5337,
+        'OpTypeAccelerationStructureKHR' : 5341,
         'OpTypeAccelerationStructureNV' : 5341,
+        'OpExecuteCallableKHR' : 5344,
         'OpExecuteCallableNV' : 5344,
         'OpTypeCooperativeMatrixNV' : 5358,
         'OpCooperativeMatrixLoadNV' : 5359,
@@ -1390,6 +1477,23 @@
         'OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL' : 5814,
         'OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL' : 5815,
         'OpSubgroupAvcSicGetInterRawSadsINTEL' : 5816,
+        'OpRayQueryGetRayTMinKHR' : 6016,
+        'OpRayQueryGetRayFlagsKHR' : 6017,
+        'OpRayQueryGetIntersectionTKHR' : 6018,
+        'OpRayQueryGetIntersectionInstanceCustomIndexKHR' : 6019,
+        'OpRayQueryGetIntersectionInstanceIdKHR' : 6020,
+        'OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR' : 6021,
+        'OpRayQueryGetIntersectionGeometryIndexKHR' : 6022,
+        'OpRayQueryGetIntersectionPrimitiveIndexKHR' : 6023,
+        'OpRayQueryGetIntersectionBarycentricsKHR' : 6024,
+        'OpRayQueryGetIntersectionFrontFaceKHR' : 6025,
+        'OpRayQueryGetIntersectionCandidateAABBOpaqueKHR' : 6026,
+        'OpRayQueryGetIntersectionObjectRayDirectionKHR' : 6027,
+        'OpRayQueryGetIntersectionObjectRayOriginKHR' : 6028,
+        'OpRayQueryGetWorldRayDirectionKHR' : 6029,
+        'OpRayQueryGetWorldRayOriginKHR' : 6030,
+        'OpRayQueryGetIntersectionObjectToWorldKHR' : 6031,
+        'OpRayQueryGetIntersectionWorldToObjectKHR' : 6032,
     },
 
 }
diff --git a/include/spirv/unified1/spv.d b/include/spirv/unified1/spv.d
index ec5a161..2c76658 100644
--- a/include/spirv/unified1/spv.d
+++ b/include/spirv/unified1/spv.d
@@ -1,5 +1,5 @@
 /+
- + Copyright (c) 2014-2019 The Khronos Group Inc.
+ + Copyright (c) 2014-2020 The Khronos Group Inc.
  + 
  + Permission is hereby granted, free of charge, to any person obtaining a copy
  + of this software and/or associated documentation files (the "Materials"),
@@ -77,11 +77,17 @@
     Kernel = 6,
     TaskNV = 5267,
     MeshNV = 5268,
+    RayGenerationKHR = 5313,
     RayGenerationNV = 5313,
+    IntersectionKHR = 5314,
     IntersectionNV = 5314,
+    AnyHitKHR = 5315,
     AnyHitNV = 5315,
+    ClosestHitKHR = 5316,
     ClosestHitNV = 5316,
+    MissKHR = 5317,
     MissNV = 5317,
+    CallableKHR = 5318,
     CallableNV = 5318,
 }
 
@@ -178,11 +184,17 @@
     AtomicCounter = 10,
     Image = 11,
     StorageBuffer = 12,
+    CallableDataKHR = 5328,
     CallableDataNV = 5328,
+    IncomingCallableDataKHR = 5329,
     IncomingCallableDataNV = 5329,
+    RayPayloadKHR = 5338,
     RayPayloadNV = 5338,
+    HitAttributeKHR = 5339,
     HitAttributeNV = 5339,
+    IncomingRayPayloadKHR = 5342,
     IncomingRayPayloadNV = 5342,
+    ShaderRecordBufferKHR = 5343,
     ShaderRecordBufferNV = 5343,
     PhysicalStorageBuffer = 5349,
     PhysicalStorageBufferEXT = 5349,
@@ -559,20 +571,35 @@
     FragmentSizeNV = 5292,
     FragInvocationCountEXT = 5293,
     InvocationsPerPixelNV = 5293,
+    LaunchIdKHR = 5319,
     LaunchIdNV = 5319,
+    LaunchSizeKHR = 5320,
     LaunchSizeNV = 5320,
+    WorldRayOriginKHR = 5321,
     WorldRayOriginNV = 5321,
+    WorldRayDirectionKHR = 5322,
     WorldRayDirectionNV = 5322,
+    ObjectRayOriginKHR = 5323,
     ObjectRayOriginNV = 5323,
+    ObjectRayDirectionKHR = 5324,
     ObjectRayDirectionNV = 5324,
+    RayTminKHR = 5325,
     RayTminNV = 5325,
+    RayTmaxKHR = 5326,
     RayTmaxNV = 5326,
+    InstanceCustomIndexKHR = 5327,
     InstanceCustomIndexNV = 5327,
+    ObjectToWorldKHR = 5330,
     ObjectToWorldNV = 5330,
+    WorldToObjectKHR = 5331,
     WorldToObjectNV = 5331,
+    HitTKHR = 5332,
     HitTNV = 5332,
+    HitKindKHR = 5333,
     HitKindNV = 5333,
+    IncomingRayFlagsKHR = 5351,
     IncomingRayFlagsNV = 5351,
+    RayGeometryIndexKHR = 5352,
     WarpsPerSMNV = 5374,
     SMCountNV = 5375,
     WarpIDNV = 5376,
@@ -715,6 +742,7 @@
     Invocation = 4,
     QueueFamily = 5,
     QueueFamilyKHR = 5,
+    ShaderCallKHR = 6,
 }
 
 enum GroupOperation : uint
@@ -840,6 +868,8 @@
     SignedZeroInfNanPreserve = 4466,
     RoundingModeRTE = 4467,
     RoundingModeRTZ = 4468,
+    RayQueryProvisionalKHR = 4471,
+    RayTraversalPrimitiveCullingProvisionalKHR = 4478,
     Float16ImageAMD = 5008,
     ImageGatherBiasLodAMD = 5009,
     FragmentMaskAMD = 5010,
@@ -893,6 +923,7 @@
     PhysicalStorageBufferAddresses = 5347,
     PhysicalStorageBufferAddressesEXT = 5347,
     ComputeDerivativeGroupLinearNV = 5350,
+    RayTracingProvisionalKHR = 5353,
     CooperativeMatrixNV = 5357,
     FragmentShaderSampleInterlockEXT = 5363,
     FragmentShaderShadingRateInterlockEXT = 5372,
@@ -909,6 +940,54 @@
     SubgroupAvcMotionEstimationChromaINTEL = 5698,
 }
 
+enum RayFlagsShift : uint
+{
+    OpaqueKHR = 0,
+    NoOpaqueKHR = 1,
+    TerminateOnFirstHitKHR = 2,
+    SkipClosestHitShaderKHR = 3,
+    CullBackFacingTrianglesKHR = 4,
+    CullFrontFacingTrianglesKHR = 5,
+    CullOpaqueKHR = 6,
+    CullNoOpaqueKHR = 7,
+    SkipTrianglesKHR = 8,
+    SkipAABBsKHR = 9,
+}
+
+enum RayFlagsMask : uint
+{
+    MaskNone = 0,
+    OpaqueKHR = 0x00000001,
+    NoOpaqueKHR = 0x00000002,
+    TerminateOnFirstHitKHR = 0x00000004,
+    SkipClosestHitShaderKHR = 0x00000008,
+    CullBackFacingTrianglesKHR = 0x00000010,
+    CullFrontFacingTrianglesKHR = 0x00000020,
+    CullOpaqueKHR = 0x00000040,
+    CullNoOpaqueKHR = 0x00000080,
+    SkipTrianglesKHR = 0x00000100,
+    SkipAABBsKHR = 0x00000200,
+}
+
+enum RayQueryIntersection : uint
+{
+    RayQueryCandidateIntersectionKHR = 0,
+    RayQueryCommittedIntersectionKHR = 1,
+}
+
+enum RayQueryCommittedIntersectionType : uint
+{
+    RayQueryCommittedIntersectionNoneKHR = 0,
+    RayQueryCommittedIntersectionTriangleKHR = 1,
+    RayQueryCommittedIntersectionGeneratedKHR = 2,
+}
+
+enum RayQueryCandidateIntersectionType : uint
+{
+    RayQueryCandidateIntersectionTriangleKHR = 0,
+    RayQueryCandidateIntersectionAABBKHR = 1,
+}
+
 enum Op : uint
 {
     OpNop = 0,
@@ -1261,6 +1340,13 @@
     OpSubgroupAnyKHR = 4429,
     OpSubgroupAllEqualKHR = 4430,
     OpSubgroupReadInvocationKHR = 4432,
+    OpTypeRayQueryProvisionalKHR = 4472,
+    OpRayQueryInitializeKHR = 4473,
+    OpRayQueryTerminateKHR = 4474,
+    OpRayQueryGenerateIntersectionKHR = 4475,
+    OpRayQueryConfirmIntersectionKHR = 4476,
+    OpRayQueryProceedKHR = 4477,
+    OpRayQueryGetIntersectionTypeKHR = 4479,
     OpGroupIAddNonUniformAMD = 5000,
     OpGroupFAddNonUniformAMD = 5001,
     OpGroupFMinNonUniformAMD = 5002,
@@ -1275,11 +1361,17 @@
     OpImageSampleFootprintNV = 5283,
     OpGroupNonUniformPartitionNV = 5296,
     OpWritePackedPrimitiveIndices4x8NV = 5299,
+    OpReportIntersectionKHR = 5334,
     OpReportIntersectionNV = 5334,
+    OpIgnoreIntersectionKHR = 5335,
     OpIgnoreIntersectionNV = 5335,
+    OpTerminateRayKHR = 5336,
     OpTerminateRayNV = 5336,
     OpTraceNV = 5337,
+    OpTraceRayKHR = 5337,
+    OpTypeAccelerationStructureKHR = 5341,
     OpTypeAccelerationStructureNV = 5341,
+    OpExecuteCallableKHR = 5344,
     OpExecuteCallableNV = 5344,
     OpTypeCooperativeMatrixNV = 5358,
     OpCooperativeMatrixLoadNV = 5359,
@@ -1436,6 +1528,23 @@
     OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL = 5814,
     OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL = 5815,
     OpSubgroupAvcSicGetInterRawSadsINTEL = 5816,
+    OpRayQueryGetRayTMinKHR = 6016,
+    OpRayQueryGetRayFlagsKHR = 6017,
+    OpRayQueryGetIntersectionTKHR = 6018,
+    OpRayQueryGetIntersectionInstanceCustomIndexKHR = 6019,
+    OpRayQueryGetIntersectionInstanceIdKHR = 6020,
+    OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR = 6021,
+    OpRayQueryGetIntersectionGeometryIndexKHR = 6022,
+    OpRayQueryGetIntersectionPrimitiveIndexKHR = 6023,
+    OpRayQueryGetIntersectionBarycentricsKHR = 6024,
+    OpRayQueryGetIntersectionFrontFaceKHR = 6025,
+    OpRayQueryGetIntersectionCandidateAABBOpaqueKHR = 6026,
+    OpRayQueryGetIntersectionObjectRayDirectionKHR = 6027,
+    OpRayQueryGetIntersectionObjectRayOriginKHR = 6028,
+    OpRayQueryGetWorldRayDirectionKHR = 6029,
+    OpRayQueryGetWorldRayOriginKHR = 6030,
+    OpRayQueryGetIntersectionObjectToWorldKHR = 6031,
+    OpRayQueryGetIntersectionWorldToObjectKHR = 6032,
 }
 
 
diff --git a/tools/buildHeaders/header.cpp b/tools/buildHeaders/header.cpp
index 0f65291..7e8f668 100644
--- a/tools/buildHeaders/header.cpp
+++ b/tools/buildHeaders/header.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -169,7 +169,7 @@
     }
 
     const std::string TPrinter::DocCopyright =
-        "Copyright (c) 2014-2019 The Khronos Group Inc.\n"
+        "Copyright (c) 2014-2020 The Khronos Group Inc.\n"
         "\n"
         "Permission is hereby granted, free of charge, to any person obtaining a copy\n"
         "of this software and/or associated documentation files (the \"Materials\"),\n"
diff --git a/tools/buildHeaders/jsonToSpirv.cpp b/tools/buildHeaders/jsonToSpirv.cpp
index 1d01649..5cca0b9 100644
--- a/tools/buildHeaders/jsonToSpirv.cpp
+++ b/tools/buildHeaders/jsonToSpirv.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -77,6 +77,10 @@
 EnumValues KernelEnqueueFlagsParams;
 EnumValues KernelProfilingInfoParams;
 EnumValues CapabilityParams;
+EnumValues RayFlagsParams;
+EnumValues RayQueryIntersectionParams;
+EnumValues RayQueryCommittedIntersectionTypeParams;
+EnumValues RayQueryCandidateIntersectionTypeParams;
 
 std::pair<bool, std::string> ReadFile(const std::string& path)
 {
@@ -203,6 +207,14 @@
             type = OperandFunction;
         } else if (operandKind == "MemoryAccess") {
             type = OperandMemoryOperands;
+        } else if (operandKind == "RayFlags") {
+            type = OperandRayFlags;
+        } else if (operandKind == "RayQueryIntersection") {
+            type = OperandRayQueryIntersection;
+        } else if (operandKind == "RayQueryCommittedIntersectionType") {
+            type = OperandRayQueryCommittedIntersectionType;
+        } else if (operandKind == "RayQueryCandidateIntersectionType") {
+            type = OperandRayQueryCandidateIntersectionType;
         }
 
         if (type == OperandNone) {
@@ -463,6 +475,14 @@
             establishOperandClass(enumName, OperandKernelEnqueueFlags, &KernelEnqueueFlagsParams, operandEnum, category);
         } else if (enumName == "KernelProfilingInfo") {
             establishOperandClass(enumName, OperandKernelProfilingInfo, &KernelProfilingInfoParams, operandEnum, category);
+        } else if (enumName == "RayFlags") {
+            establishOperandClass(enumName, OperandRayFlags, &RayFlagsParams, operandEnum, category);
+        } else if (enumName == "RayQueryIntersection") {
+            establishOperandClass(enumName, OperandRayQueryIntersection, &RayQueryIntersectionParams, operandEnum, category);
+        } else if (enumName == "RayQueryCommittedIntersectionType") {
+            establishOperandClass(enumName, OperandRayQueryCommittedIntersectionType, &RayQueryCommittedIntersectionTypeParams, operandEnum, category);
+        } else if (enumName == "RayQueryCandidateIntersectionType") {
+            establishOperandClass(enumName, OperandRayQueryCandidateIntersectionType, &RayQueryCandidateIntersectionTypeParams, operandEnum, category);
         }
     }
 }
diff --git a/tools/buildHeaders/jsonToSpirv.h b/tools/buildHeaders/jsonToSpirv.h
index e64faa1..9a5eafd 100644
--- a/tools/buildHeaders/jsonToSpirv.h
+++ b/tools/buildHeaders/jsonToSpirv.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -84,6 +84,10 @@
     OperandKernelEnqueueFlags,
     OperandKernelProfilingInfo,
     OperandCapability,
+    OperandRayFlags,
+    OperandRayQueryIntersection,
+    OperandRayQueryCommittedIntersectionType,
+    OperandRayQueryCandidateIntersectionType,
 
     OperandOpcode,