2 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/nine/adapter9.c b/src/gallium/state_trackers/nine/adapter9.c
index 84578aca5ea..459aac3695f 100644
--- a/src/gallium/state_trackers/nine/adapter9.c
+++ b/src/gallium/state_trackers/nine/adapter9.c
@@ -307,6 +307,10 @@ NineAdapter9_CheckDeviceFormat( struct NineAdapter9 *This,
         return screen->get_param(screen, PIPE_CAP_MULTISAMPLE_Z_RESOLVE) ?
                D3D_OK : D3DERR_NOTAVAILABLE;
 
+    /* ATOC hack */
+    if (CheckFormat == D3DFMT_ATOC && RType == D3DRTYPE_SURFACE)
+        return D3D_OK;
+
     if (Usage & D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING)
         bind |= PIPE_BIND_BLENDABLE;
 
diff --git a/src/gallium/state_trackers/nine/device9.c b/src/gallium/state_trackers/nine/device9.c
index 63f9f16586e..46b4c5a6c44 100644
--- a/src/gallium/state_trackers/nine/device9.c
+++ b/src/gallium/state_trackers/nine/device9.c
@@ -2075,6 +2075,14 @@ NineDevice9_SetRenderState( struct NineDevice9 *This,
         }
     }
 
+    /* NV hack */
+    if (State == D3DRS_ADAPTIVETESS_Y &&
+        (Value == D3DFMT_ATOC || (Value == D3DFMT_UNKNOWN && state->rs[NINED3DRS_ALPHACOVERAGE]))) {
+            state->rs[NINED3DRS_ALPHACOVERAGE] = (Value == D3DFMT_ATOC);
+            state->changed.group |= NINE_STATE_BLEND;
+            return D3D_OK;
+    }
+
     user_assert(State < Elements(state->rs), D3DERR_INVALIDCALL);
 
     if (likely(state->rs[State] != Value) || unlikely(This->is_recording)) {