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diff --git a/src/gallium/state_trackers/nine/volumetexture9.h b/src/gallium/state_trackers/nine/volumetexture9.h
new file mode 100644
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+++ b/src/gallium/state_trackers/nine/volumetexture9.h
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+/*
+ * Copyright 2011 Joakim Sindholt <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#ifndef _NINE_VOLUMETEXTURE9_H_
+#define _NINE_VOLUMETEXTURE9_H_
+
+#include "basetexture9.h"
+#include "volume9.h"
+
+struct NineVolumeTexture9
+{
+    struct NineBaseTexture9 base;
+    struct NineVolume9 **volumes;
+    struct pipe_box dirty_box;
+};
+static INLINE struct NineVolumeTexture9 *
+NineVolumeTexture9( void *data )
+{
+    return (struct NineVolumeTexture9 *)data;
+}
+
+HRESULT
+NineVolumeTexture9_new( struct NineDevice9 *pDevice,
+                        UINT Width, UINT Height, UINT Depth, UINT Levels,
+                        DWORD Usage,
+                        D3DFORMAT Format,
+                        D3DPOOL Pool,
+                        struct NineVolumeTexture9 **ppOut,
+                        HANDLE *pSharedHandle );
+
+HRESULT WINAPI
+NineVolumeTexture9_GetLevelDesc( struct NineVolumeTexture9 *This,
+                                 UINT Level,
+                                 D3DVOLUME_DESC *pDesc );
+
+HRESULT WINAPI
+NineVolumeTexture9_GetVolumeLevel( struct NineVolumeTexture9 *This,
+                                   UINT Level,
+                                   IDirect3DVolume9 **ppVolumeLevel );
+
+HRESULT WINAPI
+NineVolumeTexture9_LockBox( struct NineVolumeTexture9 *This,
+                            UINT Level,
+                            D3DLOCKED_BOX *pLockedVolume,
+                            const D3DBOX *pBox,
+                            DWORD Flags );
+
+HRESULT WINAPI
+NineVolumeTexture9_UnlockBox( struct NineVolumeTexture9 *This,
+                              UINT Level );
+
+HRESULT WINAPI
+NineVolumeTexture9_AddDirtyBox( struct NineVolumeTexture9 *This,
+                                const D3DBOX *pDirtyBox );
+
+#endif /* _NINE_VOLUMETEXTURE9_H_ */