diff --git a/include/vkd3d_d3d12.idl b/include/vkd3d_d3d12.idl
index 96fff92e..16ca38bb 100644
--- a/include/vkd3d_d3d12.idl
+++ b/include/vkd3d_d3d12.idl
@@ -4478,6 +4478,133 @@ typedef enum D3D12_BARRIER_LAYOUT
     D3D12_BARRIER_LAYOUT_VIDEO_QUEUE_COMMON = 0x1e,
 } D3D12_BARRIER_LAYOUT;
 
+typedef enum D3D12_BARRIER_SYNC
+{
+    D3D12_BARRIER_SYNC_NONE = 0x0,
+    D3D12_BARRIER_SYNC_ALL = 0x1,
+    D3D12_BARRIER_SYNC_DRAW = 0x2,
+    D3D12_BARRIER_SYNC_INPUT_ASSEMBLER = 0x4,
+    D3D12_BARRIER_SYNC_VERTEX_SHADING = 0x8,
+    D3D12_BARRIER_SYNC_PIXEL_SHADING = 0x10,
+    D3D12_BARRIER_SYNC_DEPTH_STENCIL = 0x20,
+    D3D12_BARRIER_SYNC_RENDER_TARGET = 0x40,
+    D3D12_BARRIER_SYNC_COMPUTE_SHADING = 0x80,
+    D3D12_BARRIER_SYNC_RAYTRACING = 0x100,
+    D3D12_BARRIER_SYNC_COPY = 0x200,
+    D3D12_BARRIER_SYNC_RESOLVE = 0x400,
+    D3D12_BARRIER_SYNC_EXECUTE_INDIRECT = 0x800,
+    D3D12_BARRIER_SYNC_PREDICATION = 0x800,
+    D3D12_BARRIER_SYNC_ALL_SHADING = 0x1000,
+    D3D12_BARRIER_SYNC_NON_PIXEL_SHADING = 0x2000,
+    D3D12_BARRIER_SYNC_EMIT_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO = 0x4000,
+    D3D12_BARRIER_SYNC_VIDEO_DECODE = 0x100000,
+    D3D12_BARRIER_SYNC_VIDEO_PROCESS = 0x200000,
+    D3D12_BARRIER_SYNC_VIDEO_ENCODE = 0x400000,
+    D3D12_BARRIER_SYNC_BUILD_RAYTRACING_ACCELERATION_STRUCTURE = 0x800000,
+    D3D12_BARRIER_SYNC_COPY_RAYTRACING_ACCELERATION_STRUCTURE = 0x1000000,
+    D3D12_BARRIER_SYNC_SPLIT = 0x80000000,
+} D3D12_BARRIER_SYNC;
+cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(D3D12_BARRIER_SYNC);")
+
+typedef enum D3D12_BARRIER_ACCESS
+{
+    D3D12_BARRIER_ACCESS_COMMON = 0,
+    D3D12_BARRIER_ACCESS_VERTEX_BUFFER = 0x1,
+    D3D12_BARRIER_ACCESS_CONSTANT_BUFFER = 0x2,
+    D3D12_BARRIER_ACCESS_INDEX_BUFFER = 0x4,
+    D3D12_BARRIER_ACCESS_RENDER_TARGET = 0x8,
+    D3D12_BARRIER_ACCESS_UNORDERED_ACCESS = 0x10,
+    D3D12_BARRIER_ACCESS_DEPTH_STENCIL_WRITE = 0x20,
+    D3D12_BARRIER_ACCESS_DEPTH_STENCIL_READ = 0x40,
+    D3D12_BARRIER_ACCESS_SHADER_RESOURCE = 0x80,
+    D3D12_BARRIER_ACCESS_STREAM_OUTPUT = 0x100,
+    D3D12_BARRIER_ACCESS_INDIRECT_ARGUMENT = 0x200,
+    D3D12_BARRIER_ACCESS_PREDICATION = 0x200,
+    D3D12_BARRIER_ACCESS_COPY_DEST = 0x400,
+    D3D12_BARRIER_ACCESS_COPY_SOURCE = 0x800,
+    D3D12_BARRIER_ACCESS_RESOLVE_DEST = 0x1000,
+    D3D12_BARRIER_ACCESS_RESOLVE_SOURCE = 0x2000,
+    D3D12_BARRIER_ACCESS_RAYTRACING_ACCELERATION_STRUCTURE_READ = 0x4000,
+    D3D12_BARRIER_ACCESS_RAYTRACING_ACCELERATION_STRUCTURE_WRITE = 0x8000,
+    D3D12_BARRIER_ACCESS_SHADING_RATE_SOURCE = 0x10000,
+    D3D12_BARRIER_ACCESS_VIDEO_DECODE_READ = 0x20000,
+    D3D12_BARRIER_ACCESS_VIDEO_DECODE_WRITE = 0x40000,
+    D3D12_BARRIER_ACCESS_VIDEO_PROCESS_READ = 0x80000,
+    D3D12_BARRIER_ACCESS_VIDEO_PROCESS_WRITE = 0x100000,
+    D3D12_BARRIER_ACCESS_VIDEO_ENCODE_READ = 0x200000,
+    D3D12_BARRIER_ACCESS_VIDEO_ENCODE_WRITE = 0x400000,
+    D3D12_BARRIER_ACCESS_NO_ACCESS = 0x80000000,
+} D3D12_BARRIER_ACCESS;
+cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(D3D12_BARRIER_ACCESS);")
+
+typedef enum D3D12_BARRIER_TYPE
+{
+    D3D12_BARRIER_TYPE_GLOBAL = 0x0,
+    D3D12_BARRIER_TYPE_TEXTURE = 0x1,
+    D3D12_BARRIER_TYPE_BUFFER = 0x2,
+} D3D12_BARRIER_TYPE;
+
+typedef enum D3D12_TEXTURE_BARRIER_FLAGS
+{
+    D3D12_TEXTURE_BARRIER_FLAG_NONE = 0x0,
+    D3D12_TEXTURE_BARRIER_FLAG_DISCARD = 0x1,
+} D3D12_TEXTURE_BARRIER_FLAGS;
+cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(D3D12_TEXTURE_BARRIER_FLAGS);")
+
+typedef struct D3D12_BARRIER_SUBRESOURCE_RANGE
+{
+    UINT IndexOrFirstMipLevel;
+    UINT NumMipLevels;
+    UINT FirstArraySlice;
+    UINT NumArraySlices;
+    UINT FirstPlane;
+    UINT NumPlanes;
+} D3D12_BARRIER_SUBRESOURCE_RANGE;
+
+typedef struct D3D12_GLOBAL_BARRIER
+{
+    D3D12_BARRIER_SYNC SyncBefore;
+    D3D12_BARRIER_SYNC SyncAfter;
+    D3D12_BARRIER_ACCESS AccessBefore;
+    D3D12_BARRIER_ACCESS AccessAfter;
+} D3D12_GLOBAL_BARRIER;
+
+typedef struct D3D12_TEXTURE_BARRIER
+{
+    D3D12_BARRIER_SYNC SyncBefore;
+    D3D12_BARRIER_SYNC SyncAfter;
+    D3D12_BARRIER_ACCESS AccessBefore;
+    D3D12_BARRIER_ACCESS AccessAfter;
+    D3D12_BARRIER_LAYOUT LayoutBefore;
+    D3D12_BARRIER_LAYOUT LayoutAfter;
+    ID3D12Resource *pResource;
+    D3D12_BARRIER_SUBRESOURCE_RANGE Subresources;
+    D3D12_TEXTURE_BARRIER_FLAGS Flags;
+} D3D12_TEXTURE_BARRIER;
+
+typedef struct D3D12_BUFFER_BARRIER
+{
+    D3D12_BARRIER_SYNC SyncBefore;
+    D3D12_BARRIER_SYNC SyncAfter;
+    D3D12_BARRIER_ACCESS AccessBefore;
+    D3D12_BARRIER_ACCESS AccessAfter;
+    ID3D12Resource *pResource;
+    UINT64 Offset;
+    UINT64 Size;
+} D3D12_BUFFER_BARRIER;
+
+typedef struct D3D12_BARRIER_GROUP
+{
+    D3D12_BARRIER_TYPE Type;
+    UINT32 NumBarriers;
+    union
+    {
+        const D3D12_GLOBAL_BARRIER *pGlobalBarriers;
+        const D3D12_TEXTURE_BARRIER *pTextureBarriers;
+        const D3D12_BUFFER_BARRIER *pBufferBarriers;
+    };
+} D3D12_BARRIER_GROUP;
+
 [
     uuid(28e2495d-0f64-4ae4-a6ec-129255dc49a8),
     object,