diff --git a/include/vkd3d_d3d12.idl b/include/vkd3d_d3d12.idl
index 16ca38bb..d37d981a 100644
--- a/include/vkd3d_d3d12.idl
+++ b/include/vkd3d_d3d12.idl
@@ -1542,6 +1542,11 @@ typedef struct D3D12_TEXCUBE_ARRAY_SRV
     FLOAT ResourceMinLODClamp;
 } D3D12_TEXCUBE_ARRAY_SRV;
 
+typedef struct D3D12_RAYTRACING_ACCELERATION_STRUCTURE_SRV
+{
+    D3D12_GPU_VIRTUAL_ADDRESS Location;
+} D3D12_RAYTRACING_ACCELERATION_STRUCTURE_SRV;
+
 typedef struct D3D12_SHADER_RESOURCE_VIEW_DESC
 {
     DXGI_FORMAT Format;
@@ -1559,6 +1564,7 @@ typedef struct D3D12_SHADER_RESOURCE_VIEW_DESC
         D3D12_TEX3D_SRV Texture3D;
         D3D12_TEXCUBE_SRV TextureCube;
         D3D12_TEXCUBE_ARRAY_SRV TextureCubeArray;
+        D3D12_RAYTRACING_ACCELERATION_STRUCTURE_SRV RaytracingAccelerationStructure;
     };
 } D3D12_SHADER_RESOURCE_VIEW_DESC;
 
@@ -3605,6 +3611,16 @@ typedef enum D3D12_RAYTRACING_GEOMETRY_TYPE
     D3D12_RAYTRACING_GEOMETRY_TYPE_PROCEDURAL_PRIMITIVE_AABBS = 0x1,
 } D3D12_RAYTRACING_GEOMETRY_TYPE;
 
+typedef enum D3D12_RAYTRACING_INSTANCE_FLAGS
+{
+    D3D12_RAYTRACING_INSTANCE_FLAG_NONE = 0x0,
+    D3D12_RAYTRACING_INSTANCE_FLAG_TRIANGLE_CULL_DISABLE = 0x1,
+    D3D12_RAYTRACING_INSTANCE_FLAG_TRIANGLE_FRONT_COUNTERCLOCKWISE = 0x2,
+    D3D12_RAYTRACING_INSTANCE_FLAG_FORCE_OPAQUE = 0x4,
+    D3D12_RAYTRACING_INSTANCE_FLAG_FORCE_NON_OPAQUE = 0x8
+} D3D12_RAYTRACING_INSTANCE_FLAGS;
+cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(D3D12_RAYTRACING_INSTANCE_FLAGS);")
+
 typedef struct D3D12_GPU_VIRTUAL_ADDRESS_AND_STRIDE
 {
     D3D12_GPU_VIRTUAL_ADDRESS StartAddress;
@@ -3635,6 +3651,16 @@ typedef struct D3D12_RAYTRACING_GEOMETRY_TRIANGLES_DESC
     D3D12_GPU_VIRTUAL_ADDRESS_AND_STRIDE VertexBuffer;
 } D3D12_RAYTRACING_GEOMETRY_TRIANGLES_DESC;
 
+typedef struct D3D12_RAYTRACING_AABB
+{
+    FLOAT MinX;
+    FLOAT MinY;
+    FLOAT MinZ;
+    FLOAT MaxX;
+    FLOAT MaxY;
+    FLOAT MaxZ;
+} D3D12_RAYTRACING_AABB;
+
 typedef struct D3D12_RAYTRACING_GEOMETRY_AABBS_DESC
 {
     UINT64 AABBCount;
@@ -3688,6 +3714,28 @@ typedef struct D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_DESC
     D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_TYPE InfoType;
 } D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_DESC;
 
+typedef struct D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_COMPACTED_SIZE_DESC
+{
+    UINT64 CompactedSizeInBytes;
+} D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_COMPACTED_SIZE_DESC;
+
+typedef struct D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_TOOLS_VISUALIZATION_DESC
+{
+    UINT64 DecodedSizeInBytes;
+} D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_TOOLS_VISUALIZATION_DESC;
+
+typedef struct D3D12_BUILD_RAYTRACING_ACCELERATION_STRUCTURE_TOOLS_VISUALIZATION_HEADER
+{
+    D3D12_RAYTRACING_ACCELERATION_STRUCTURE_TYPE Type;
+    UINT NumDescs;
+} D3D12_BUILD_RAYTRACING_ACCELERATION_STRUCTURE_TOOLS_VISUALIZATION_HEADER;
+
+typedef struct D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_SERIALIZATION_DESC
+{
+    UINT64 SerializedSizeInBytes;
+    UINT64 NumBottomLevelAccelerationStructurePointers;
+} D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_SERIALIZATION_DESC;
+
 typedef struct D3D12_SERIALIZED_DATA_DRIVER_MATCHING_IDENTIFIER
 {
     GUID DriverOpaqueGUID;
@@ -3708,6 +3756,29 @@ typedef enum D3D12_DRIVER_MATCHING_IDENTIFIER_STATUS
     D3D12_DRIVER_MATCHING_IDENTIFIER_INCOMPATIBLE_TYPE = 0x4,
 } D3D12_DRIVER_MATCHING_IDENTIFIER_STATUS;
 
+typedef struct D3D12_SERIALIZED_RAYTRACING_ACCELERATION_STRUCTURE_HEADER
+{
+    D3D12_SERIALIZED_DATA_DRIVER_MATCHING_IDENTIFIER DriverMatchingIdentifier;
+    UINT64 SerializedSizeInBytesIncludingHeader;
+    UINT64 DeserializedSizeInBytes;
+    UINT64 NumBottomLevelAccelerationStructurePointersAfterHeader;
+} D3D12_SERIALIZED_RAYTRACING_ACCELERATION_STRUCTURE_HEADER;
+
+typedef struct D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_CURRENT_SIZE_DESC
+{
+    UINT64 CurrentSizeInBytes;
+} D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_CURRENT_SIZE_DESC;
+
+typedef struct D3D12_RAYTRACING_INSTANCE_DESC
+{
+    FLOAT Transform[3][4];
+    UINT InstanceID : 24;
+    UINT InstanceMask : 8;
+    UINT InstanceContributionToHitGroupIndex : 24;
+    UINT Flags : 8;
+    D3D12_GPU_VIRTUAL_ADDRESS AccelerationStructure;
+} D3D12_RAYTRACING_INSTANCE_DESC;
+
 typedef struct D3D12_RAYTRACING_GEOMETRY_DESC
 {
     D3D12_RAYTRACING_GEOMETRY_TYPE Type;
@@ -3748,6 +3819,28 @@ typedef struct D3D12_RAYTRACING_ACCELERATION_STRUCTURE_PREBUILD_INFO
     UINT64 UpdateScratchDataSizeInBytes;
 } D3D12_RAYTRACING_ACCELERATION_STRUCTURE_PREBUILD_INFO;
 
+typedef enum D3D12_RAY_FLAGS
+{
+    D3D12_RAY_FLAG_NONE = 0x00,
+    D3D12_RAY_FLAG_FORCE_OPAQUE = 0x01,
+    D3D12_RAY_FLAG_FORCE_NON_OPAQUE = 0x02,
+    D3D12_RAY_FLAG_ACCEPT_FIRST_HIT_AND_END_SEARCH = 0x04,
+    D3D12_RAY_FLAG_SKIP_CLOSEST_HIT_SHADER = 0x08,
+    D3D12_RAY_FLAG_CULL_BACK_FACING_TRIANGLES = 0x10,
+    D3D12_RAY_FLAG_CULL_FRONT_FACING_TRIANGLES = 0x20,
+    D3D12_RAY_FLAG_CULL_OPAQUE = 0x40,
+    D3D12_RAY_FLAG_CULL_NON_OPAQUE = 0x80,
+    D3D12_RAY_FLAG_SKIP_TRIANGLES = 0x100,
+    D3D12_RAY_FLAG_SKIP_PROCEDURAL_PRIMITIVES = 0x200,
+} D3D12_RAY_FLAGS;
+cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(D3D12_RAY_FLAGS);")
+
+typedef enum D3D12_HIT_KIND
+{
+    D3D12_HIT_KIND_TRIANGLE_FRONT_FACE = 0xfe,
+    D3D12_HIT_KIND_TRIANGLE_BACK_FACE = 0xff,
+} D3D12_HIT_KIND;
+
 [
     uuid(8b4f173b-2fea-4b80-8f58-4307191ab95d),
     object,