diff --git a/include/dxgi.idl b/include/dxgi.idl
index d8f595f9..6b73e81b 100644
--- a/include/dxgi.idl
+++ b/include/dxgi.idl
@@ -34,6 +34,8 @@ typedef enum DXGI_MODE_ROTATION
     DXGI_MODE_ROTATION_ROTATE270   = 0x4,
 } DXGI_MODE_ROTATION;
 
+interface IDXGIAdapter;
+interface IDXGIAdapter1;
 interface IDXGIOutput;
 typedef struct DXGI_SWAP_CHAIN_DESC DXGI_SWAP_CHAIN_DESC;
 typedef struct DXGI_FRAME_STATISTICS DXGI_FRAME_STATISTICS;
@@ -82,3 +84,33 @@ interface IDXGISwapChain : IDXGIDeviceSubObject
     HRESULT GetFrameStatistics(DXGI_FRAME_STATISTICS *stats);
     HRESULT GetLastPresentCount(UINT *last_present_count);
 };
+
+[
+    local,
+    object,
+    uuid(7b7166ec-21c7-44ae-b21a-c9ae321ae369),
+    pointer_default(unique)
+]
+interface IDXGIFactory : IDXGIObject
+{
+    HRESULT EnumAdapters(UINT adapter_idx, IDXGIAdapter **adapter);
+    HRESULT MakeWindowAssociation(HWND hwnd, UINT flags);
+    HRESULT GetWindowAssociation(HWND *hwnd);
+    HRESULT CreateSwapChain(IUnknown *device, DXGI_SWAP_CHAIN_DESC *desc, IDXGISwapChain **swapchain);
+    HRESULT CreateSoftwareAdapter(HMODULE hmodule, IDXGIAdapter **adapter);
+};
+
+[
+    local,
+    object,
+    uuid(770aae78-f26f-4dba-a829-253c83d1b387),
+    pointer_default(unique)
+]
+interface IDXGIFactory1 : IDXGIFactory
+{
+    HRESULT EnumAdapters1(UINT adapter_idx, IDXGIAdapter1 **adpter);
+    BOOL IsCurrent();
+};
+
+[local] HRESULT __stdcall CreateDXGIFactory(REFIID riid, void **factory);
+[local] HRESULT __stdcall CreateDXGIFactory1(REFIID riid, void **factory);
diff --git a/include/dxgi1_2.idl b/include/dxgi1_2.idl
index 78f7eb45..7ff790f3 100644
--- a/include/dxgi1_2.idl
+++ b/include/dxgi1_2.idl
@@ -47,3 +47,27 @@ interface IDXGISwapChain1 : IDXGISwapChain
     HRESULT SetRotation(DXGI_MODE_ROTATION rotation);
     HRESULT GetRotation(DXGI_MODE_ROTATION *rotation);
 };
+
+[
+    local,
+    object,
+    uuid(50c83a1c-e072-4c48-87b0-3630fa36a6d0),
+    pointer_default(unique)
+]
+interface IDXGIFactory2 : IDXGIFactory1
+{
+    BOOL IsWindowedStereoEnabled();
+    HRESULT CreateSwapChainForHwnd(IUnknown *device, HWND window, const DXGI_SWAP_CHAIN_DESC1 *desc,
+            const DXGI_SWAP_CHAIN_FULLSCREEN_DESC *fullscreen_desc, IDXGIOutput *output, IDXGISwapChain1 **swapchain);
+    HRESULT CreateSwapChainForCoreWindow(IUnknown *device, IUnknown *window, const DXGI_SWAP_CHAIN_DESC1 *desc,
+            IDXGIOutput *output, IDXGISwapChain1 **swapchain);
+    HRESULT GetSharedResourceAdapterLuid(HANDLE resource, LUID *luid);
+    HRESULT RegisterStereoStatusWindow(HWND window, UINT msg, DWORD *cookie);
+    HRESULT RegisterStereoStatusEvent(HANDLE event, DWORD *cookie);
+    void UnregisterStereoStatus(DWORD cookie);
+    HRESULT RegisterOcclusionStatusWindow(HWND window, UINT msg, DWORD *cookie);
+    HRESULT RegisterOcclusionStatusEvent(HANDLE event, DWORD *cookie);
+    void UnregisterOcclusionStatus(DWORD cookie);
+    HRESULT CreateSwapChainForComposition(IUnknown *device, const DXGI_SWAP_CHAIN_DESC1 *desc,
+            IDXGIOutput *output, IDXGISwapChain1 **swapchain);
+};