1 files changed, 57 insertions, 0 deletions
diff --git a/source/blender/windowmanager/wm_surface.h b/source/blender/windowmanager/wm_surface.h
new file mode 100644
index 00000000000..98d67c55619
--- /dev/null
+++ b/source/blender/windowmanager/wm_surface.h
@@ -0,0 +1,57 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/** \file
+ * \ingroup wm
+ *
+ * \name WM-Surface
+ *
+ * Container to manage painting in an offscreen context.
+ */
+
+#ifndef __WM_SURFACE_H__
+#define __WM_SURFACE_H__
+
+struct bContext;
+
+typedef struct wmSurface {
+  struct wmSurface *next, *prev;
+
+  GHOST_ContextHandle ghost_ctx;
+  struct GPUContext *gpu_ctx;
+
+  void *customdata;
+
+  void (*draw)(struct bContext *);
+  /** Free customdata, not the surface itself (done by wm_surface API) */
+  void (*free_data)(struct wmSurface *);
+} wmSurface;
+
+/* Create/Free */
+void wm_surface_add(wmSurface *surface);
+void wm_surface_remove(wmSurface *surface);
+void wm_surfaces_free(void);
+
+/* Utils */
+void wm_surfaces_iter(struct bContext *C, void (*cb)(bContext *, wmSurface *));
+
+/* Drawing */
+void wm_surface_make_drawable(wmSurface *surface);
+void wm_surface_clear_drawable(void);
+void wm_surface_set_drawable(wmSurface *surface, bool activate);
+void wm_surface_reset_drawable(void);
+
+#endif /* __WM_SURFACE_H__ */