diff --git a/host/platform/Windows/capture/DXGI/src/backend.h b/host/platform/Windows/capture/DXGI/src/backend.h
index 9cab26c6..ba354d8a 100644
--- a/host/platform/Windows/capture/DXGI/src/backend.h
+++ b/host/platform/Windows/capture/DXGI/src/backend.h
@@ -21,10 +21,11 @@
 #ifndef _H_DXGI_BACKEND_
 #define _H_DXGI_BACKEND_
 
-#include "dxgi_capture.h"
+#include "common/types.h"
+#include "interface/capture.h"
 
-struct DXGIInterface;
-struct Texture;
+#include <stdbool.h>
+#include <d3d11.h>
 
 struct DXGICopyBackend
 {
@@ -71,4 +72,16 @@ struct DXGICopyBackend
   void (*preRelease)(void);
 };
 
+// these are functions exported by dxgi.c for use by the backends
+IDXGIAdapter1       * dxgi_getAdapter(void);
+ID3D11Device        * dxgi_getDevice(void);
+ID3D11DeviceContext * dxgi_getContext(void);
+
+// lock and unlock the context lock
+void                  dxgi_contextLock(void);
+void                  dxgi_contextUnlock(void);
+
+/* returns true if dxgi:debug is enabled */
+bool                  dxgi_debug(void);
+
 #endif
diff --git a/host/platform/Windows/capture/DXGI/src/d3d12.c b/host/platform/Windows/capture/DXGI/src/d3d12.c
index 152ff4ea..e365185e 100644
--- a/host/platform/Windows/capture/DXGI/src/d3d12.c
+++ b/host/platform/Windows/capture/DXGI/src/d3d12.c
@@ -21,6 +21,7 @@
 #include "com_ref.h"
 
 #include <assert.h>
+#include <dxgi1_2.h>
 #include <d3d12.h>
 #include <d3d12sdklayers.h>
 #include "common/time.h"
diff --git a/host/platform/Windows/capture/DXGI/src/dxgi_capture.h b/host/platform/Windows/capture/DXGI/src/dxgi_capture.h
index 1f4667f8..916a7236 100644
--- a/host/platform/Windows/capture/DXGI/src/dxgi_capture.h
+++ b/host/platform/Windows/capture/DXGI/src/dxgi_capture.h
@@ -120,11 +120,4 @@ struct DXGIInterface
   struct FrameDamage frameDamage[LGMP_Q_FRAME_LEN];
 };
 
-IDXGIAdapter1       * dxgi_getAdapter(void);
-ID3D11Device        * dxgi_getDevice(void);
-ID3D11DeviceContext * dxgi_getContext(void);
-void                  dxgi_contextLock(void);
-void                  dxgi_contextUnlock(void);
-bool                  dxgi_debug(void);
-
 #endif