+ /* TODO: Copy from shadow just before push buffer is flushed instead.
+ There are probably some programs that map/unmap excessively
+ before rendering. */
+ if (!(surface->texture->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
+ struct nv40_miptree *mt = (struct nv40_miptree *)surface->texture;
+
+ assert(mt->shadow_tex);
+
+ surface_to_unmap = mt->shadow_surface;
+ }
+ else
+ surface_to_unmap = surface;
+
+ assert(surface_to_unmap);
+
+ ws->buffer_unmap(ws, surface_to_unmap->buffer);
+
+ if (surface_to_unmap != surface) {
+ struct nv40_screen *nvscreen = nv40_screen(screen);
+
+ nvscreen->nvws->surface_copy(nvscreen->nvws,
+ surface, 0, 0,
+ surface_to_unmap, 0, 0,
+ surface->width, surface->height);
+ }