Added source color and alpha modulation support.

Added perl script to generate optimized render copy functions.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402032

test/testgl2.c

@@ -194,7 +194,7 @@ main(int argc, char *argv[])
             }
         }
         if (consumed < 0) {
-            fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]", argv[0],
+            fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]\n", argv[0],
                     CommonUsage(state));
             quit(1);
         }