wined3d: Use renderbuffers if the resource type is RB.

dlls/wined3d/resource.c

@@ -402,6 +402,8 @@ void wined3d_resource_update_draw_binding(struct wined3d_resource *resource)
         resource->draw_binding = WINED3D_LOCATION_DRAWABLE;
     else if (resource->multisample_type)
         resource->draw_binding = WINED3D_LOCATION_RB_MULTISAMPLE;
+    else if (resource->gl_type == WINED3D_GL_RES_TYPE_RB)
+        resource->draw_binding = WINED3D_LOCATION_RB_RESOLVED;
     else
         resource->draw_binding = WINED3D_LOCATION_TEXTURE_RGB;
 }

dlls/wined3d/surface.c

@@ -3716,6 +3716,9 @@ void surface_load_ds_location(struct wined3d_surface *surface, struct wined3d_co
             case WINED3D_LOCATION_RB_MULTISAMPLE:
                 surface_prepare_rb(surface, gl_info, TRUE);
                 break;
+            case WINED3D_LOCATION_RB_RESOLVED:
+                surface_prepare_rb(surface, gl_info, FALSE);
+                break;
             case WINED3D_LOCATION_DRAWABLE:
                 /* Nothing to do */
                 break;