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-rw-r--r--src/engine/interface.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/engine/interface.h b/src/engine/interface.h
index af892dba..9f0ee144 100644
--- a/src/engine/interface.h
+++ b/src/engine/interface.h
@@ -21,6 +21,11 @@ enum
 	IMG_RGB=0,
 	IMG_RGBA=1,
 	
+	MASK_NONE=0,
+	MASK_SET,
+	MASK_ZERO,
+
+	
 	CLIENTSTATE_OFFLINE=0,
 	CLIENTSTATE_CONNECTING,
 	CLIENTSTATE_LOADING,
@@ -826,6 +831,10 @@ void gfx_lines_begin();
 void gfx_lines_draw(float x0, float y0, float x1, float y1);
 void gfx_lines_end();
 
+void gfx_mask_op(int mask, int write);
+void gfx_clear_mask(int fill);
+
+
 /* server snap id */
 int snap_new_id();
 void snap_free_id(int id);