diff --git a/dlls/wined3d/cs.c b/dlls/wined3d/cs.c
index d86213be66b..7af0b812cdf 100644
--- a/dlls/wined3d/cs.c
+++ b/dlls/wined3d/cs.c
@@ -58,6 +58,7 @@ enum wined3d_cs_op
     WINED3D_CS_OP_PRELOAD_RESOURCE,
     WINED3D_CS_OP_UNLOAD_RESOURCE,
     WINED3D_CS_OP_MAP,
+    WINED3D_CS_OP_UNMAP,
 };
 
 struct wined3d_cs_present
@@ -301,6 +302,14 @@ struct wined3d_cs_map
     HRESULT *hr;
 };
 
+struct wined3d_cs_unmap
+{
+    enum wined3d_cs_op opcode;
+    struct wined3d_resource *resource;
+    unsigned int sub_resource_idx;
+    HRESULT *hr;
+};
+
 static void wined3d_cs_exec_present(struct wined3d_cs *cs, const void *data)
 {
     const struct wined3d_cs_present *op = data;
@@ -1342,6 +1351,30 @@ HRESULT wined3d_cs_map(struct wined3d_cs *cs, struct wined3d_resource *resource,
     return hr;
 }
 
+static void wined3d_cs_exec_unmap(struct wined3d_cs *cs, const void *data)
+{
+    const struct wined3d_cs_unmap *op = data;
+    struct wined3d_resource *resource = op->resource;
+
+    *op->hr = resource->resource_ops->resource_sub_resource_unmap(resource, op->sub_resource_idx);
+}
+
+HRESULT wined3d_cs_unmap(struct wined3d_cs *cs, struct wined3d_resource *resource, unsigned int sub_resource_idx)
+{
+    struct wined3d_cs_unmap *op;
+    HRESULT hr;
+
+    op = cs->ops->require_space(cs, sizeof(*op));
+    op->opcode = WINED3D_CS_OP_UNMAP;
+    op->resource = resource;
+    op->sub_resource_idx = sub_resource_idx;
+    op->hr = &hr;
+
+    cs->ops->submit(cs);
+
+    return hr;
+}
+
 static void (* const wined3d_cs_op_handlers[])(struct wined3d_cs *cs, const void *data) =
 {
     /* WINED3D_CS_OP_PRESENT                    */ wined3d_cs_exec_present,
@@ -1376,6 +1409,7 @@ static void (* const wined3d_cs_op_handlers[])(struct wined3d_cs *cs, const void
     /* WINED3D_CS_OP_PRELOAD_RESOURCE           */ wined3d_cs_exec_preload_resource,
     /* WINED3D_CS_OP_UNLOAD_RESOURCE            */ wined3d_cs_exec_unload_resource,
     /* WINED3D_CS_OP_MAP                        */ wined3d_cs_exec_map,
+    /* WINED3D_CS_OP_UNMAP                      */ wined3d_cs_exec_unmap,
 };
 
 static void *wined3d_cs_st_require_space(struct wined3d_cs *cs, size_t size)
diff --git a/dlls/wined3d/resource.c b/dlls/wined3d/resource.c
index 2285c3c3a0f..64841741a8c 100644
--- a/dlls/wined3d/resource.c
+++ b/dlls/wined3d/resource.c
@@ -324,7 +324,7 @@ HRESULT CDECL wined3d_resource_unmap(struct wined3d_resource *resource, unsigned
 {
     TRACE("resource %p, sub_resource_idx %u.\n", resource, sub_resource_idx);
 
-    return resource->resource_ops->resource_sub_resource_unmap(resource, sub_resource_idx);
+    return wined3d_cs_unmap(resource->device->cs, resource, sub_resource_idx);
 }
 
 void CDECL wined3d_resource_preload(struct wined3d_resource *resource)
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 48f613fdd6b..1f59f601de1 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -3098,6 +3098,8 @@ void wined3d_cs_emit_set_viewport(struct wined3d_cs *cs, const struct wined3d_vi
 void wined3d_cs_emit_unload_resource(struct wined3d_cs *cs, struct wined3d_resource *resource) DECLSPEC_HIDDEN;
 HRESULT wined3d_cs_map(struct wined3d_cs *cs, struct wined3d_resource *resource, unsigned int sub_resource_idx,
         struct wined3d_map_desc *map_desc, const struct wined3d_box *box, unsigned int flags) DECLSPEC_HIDDEN;
+HRESULT wined3d_cs_unmap(struct wined3d_cs *cs, struct wined3d_resource *resource,
+        unsigned int sub_resource_idx) DECLSPEC_HIDDEN;
 
 static inline void wined3d_cs_push_constants(struct wined3d_cs *cs, enum wined3d_push_constants p,
         unsigned int start_idx, unsigned int count, const void *constants)