wined3d: Introduce wined3d_texture_get_swapchain().

dlls/wined3d/texture.c

@@ -4313,6 +4313,11 @@ HRESULT CDECL wined3d_texture_update_overlay(struct wined3d_texture *texture, un
     return WINED3D_OK;
 }
 
+struct wined3d_swapchain * CDECL wined3d_texture_get_swapchain(struct wined3d_texture *texture)
+{
+    return texture->swapchain;
+}
+
 void * CDECL wined3d_texture_get_sub_resource_parent(struct wined3d_texture *texture, unsigned int sub_resource_idx)
 {
     TRACE("texture %p, sub_resource_idx %u.\n", texture, sub_resource_idx);

dlls/wined3d/wined3d.spec

@@ -301,6 +301,7 @@
 @ cdecl wined3d_texture_get_resource(ptr)
 @ cdecl wined3d_texture_get_sub_resource_desc(ptr long ptr)
 @ cdecl wined3d_texture_get_sub_resource_parent(ptr long)
+@ cdecl wined3d_texture_get_swapchain(ptr)
 @ cdecl wined3d_texture_incref(ptr)
 @ cdecl wined3d_texture_release_dc(ptr long ptr)
 @ cdecl wined3d_texture_set_color_key(ptr long ptr)

include/wine/wined3d.h

@@ -2857,6 +2857,7 @@ struct wined3d_resource * __cdecl wined3d_texture_get_resource(struct wined3d_te
 HRESULT __cdecl wined3d_texture_get_sub_resource_desc(const struct wined3d_texture *texture,
         unsigned int sub_resource_idx, struct wined3d_sub_resource_desc *desc);
 void * __cdecl wined3d_texture_get_sub_resource_parent(struct wined3d_texture *texture, unsigned int sub_resource_idx);
+struct wined3d_swapchain * __cdecl wined3d_texture_get_swapchain(struct wined3d_texture *texture);
 ULONG __cdecl wined3d_texture_incref(struct wined3d_texture *texture);
 HRESULT __cdecl wined3d_texture_release_dc(struct wined3d_texture *texture, unsigned int sub_resource_idx, HDC dc);
 HRESULT __cdecl wined3d_texture_set_color_key(struct wined3d_texture *texture,