st/vega: vegaLookupSingle should validate the state.

Fix "lookup" demo crash.
2010-11-21 18:44:21 +08:00
parent f90524a01b
commit daa265e53c
1 changed files with 2 additions and 0 deletions
@@ -796,6 +796,8 @@ void vegaLookupSingle(VGImage dst, VGImage src,
      return;
   }

+   vg_validate_state(ctx);
+
   for (i = 0; i < 256; ++i) {
      VGuint rgba = lookupTable[i];
      VGubyte blue, green, red, alpha;