st/nine: Increase minor d3dadapter9drm ABI

Version 0.1 allows to assume that the second
element of the IDirect3D* structures will
be a pointer to the internal nine vtable.

This is useful if the gallium nine user wants
to wrap some interfaces.

Signed-off-by: Axel Davy <axel.davy@ens.fr>

include/d3dadapter/drm.h

@@ -29,7 +29,11 @@
 #define D3DADAPTER9DRM_NAME "drm"
 /* current version */
 #define D3DADAPTER9DRM_MAJOR 0
-#define D3DADAPTER9DRM_MINOR 0
+#define D3DADAPTER9DRM_MINOR 1
+
+/* version 0.0: Initial release
+ *         0.1: All IDirect3D objects can be assumed to have a pointer to the
+ *              internal vtable in second position of the structure */
 
 struct D3DAdapter9DRM
 {

src/gallium/state_trackers/nine/iunknown.c

@@ -39,6 +39,7 @@ NineUnknown_ctor( struct NineUnknown *This,
         NineUnknown_AddRef(NineUnknown(This->device));
 
     This->vtable = pParams->vtable;
+    This->vtable_internal = pParams->vtable;
     This->guids = pParams->guids;
     This->dtor = pParams->dtor;
 

src/gallium/state_trackers/nine/iunknown.h

@@ -39,8 +39,10 @@ struct NineDevice9;
 
 struct NineUnknown
 {
-    /* pointer to vtable  */
+    /* pointer to vtable (can be overriden outside gallium nine) */
     void *vtable;
+    /* pointer to internal vtable  */
+    void *vtable_internal;
 
     int32_t refs; /* external reference count */
     int32_t bind; /* internal bind count */