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

src/audio/sdlgenaudiocvt.pl

@@ -23,9 +23,7 @@ my $custom_converters = 0;
 
 sub outputHeader {
     print <<EOF;
-/* DO NOT EDIT THIS FILE! It is generated code. */
-/* Please modify SDL/src/audio/sdlgenaudiocvt.pl instead. */
-
+/* DO NOT EDIT!  This file is generated by sdlgenaudiocvt.pl */
 /*
     SDL - Simple DirectMedia Layer
     Copyright (C) 1997-2006 Sam Lantinga
@@ -52,7 +50,7 @@ sub outputHeader {
 #include "SDL_audio.h"
 #include "SDL_audio_c.h"
 
-/* Now the generated code... */
+/* *INDENT-OFF* */
 
 EOF
 
@@ -66,6 +64,13 @@ EOF
     print("\n");
 }
 
+sub outputFooter {
+    print <<EOF;
+/* *INDENT-ON* */
+
+/* vi: set ts=4 sw=4 expandtab: */
+EOF
+}
 
 sub splittype {
     my $t = shift;
@@ -307,7 +312,9 @@ print <<EOF;
 
 EOF
 
+outputFooter();
+
 exit 0;
 
-# end of sdlaudiocvt.pl ...
+# end of sdlgenaudiocvt.pl ...