wined3d: Add an extensionless STATE_INDEXBUFFER handler.

dlls/wined3d/state.c

@@ -60,6 +60,11 @@ static void state_undefined(DWORD state, IWineD3DStateBlockImpl *stateblock, str
     ERR("Undefined state.\n");
 }
 
+static void state_nop(DWORD state, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
+{
+    TRACE("%s: nop in current pipe config.\n", debug_d3dstate(state));
+}
+
 static void state_fillmode(DWORD state, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
 {
     WINED3DFILLMODE Value = stateblock->renderState[WINED3DRS_FILLMODE];
@@ -4923,6 +4928,7 @@ const struct StateEntryTemplate misc_state_template[] = {
 
     { STATE_VIEWPORT,                                     { STATE_VIEWPORT,                                     viewport_miscpart   }, WINED3D_GL_EXT_NONE             },
     { STATE_INDEXBUFFER,                                  { STATE_INDEXBUFFER,                                  indexbuffer         }, ARB_VERTEX_BUFFER_OBJECT        },
+    { STATE_INDEXBUFFER,                                  { STATE_INDEXBUFFER,                                  state_nop           }, WINED3D_GL_EXT_NONE             },
     { STATE_RENDER(WINED3DRS_ANTIALIAS),                  { STATE_RENDER(WINED3DRS_ANTIALIAS),                  state_antialias     }, WINED3D_GL_EXT_NONE             },
     { STATE_RENDER(WINED3DRS_TEXTUREPERSPECTIVE),         { STATE_RENDER(WINED3DRS_TEXTUREPERSPECTIVE),         state_perspective   }, WINED3D_GL_EXT_NONE             },
     { STATE_RENDER(WINED3DRS_ZENABLE),                    { STATE_RENDER(WINED3DRS_ZENABLE),                    state_zenable       }, WINED3D_GL_EXT_NONE             },