glsl: Add a purify command-line tool.

src/SConscript

@@ -2,6 +2,7 @@ Import('*')
 
 SConscript('gallium/SConscript')
 SConscript('glsl/pp/SConscript')
+SConscript('glsl/apps/SConscript')
 
 if 'mesa' in env['statetrackers']:
 	SConscript('mesa/SConscript')

src/glsl/apps/SConscript

@@ -0,0 +1,18 @@
+Import('*')
+
+if env['platform'] not in ['windows']:
+    Return()
+
+env = env.Clone()
+
+if env['platform'] == 'windows':
+    env.PrependUnique(LIBS = [
+        'user32',
+    ])
+
+env.Prepend(LIBS = [glsl])
+
+env.Program(
+    target = 'purify',
+    source = ['purify.c'],
+)

src/glsl/apps/purify.c

@@ -0,0 +1,93 @@
+/**************************************************************************
+ * 
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "../pp/sl_pp_purify.h"
+
+
+int
+main(int argc,
+     char *argv[])
+{
+   FILE *in;
+   long size;
+   char *inbuf;
+   struct sl_pp_purify_options options;
+   char *outbuf;
+   FILE *out;
+
+   if (argc != 3) {
+      return 1;
+   }
+
+   in = fopen(argv[1], "rb");
+   if (!in) {
+      return 1;
+   }
+
+   fseek(in, 0, SEEK_END);
+   size = ftell(in);
+   fseek(in, 0, SEEK_SET);
+
+   inbuf = malloc(size + 1);
+   if (!inbuf) {
+      fclose(in);
+      return 1;
+   }
+
+   if (fread(inbuf, 1, size, in) != size) {
+      free(inbuf);
+      fclose(in);
+      return 1;
+   }
+   inbuf[size] = '\0';
+
+   fclose(in);
+
+   memset(&options, 0, sizeof(options));
+
+   if (sl_pp_purify(inbuf, &options, &outbuf)) {
+      free(inbuf);
+      return 1;
+   }
+
+   free(inbuf);
+
+   out = fopen(argv[2], "wb");
+   if (!out) {
+      free(outbuf);
+      return 1;
+   }
+
+   fwrite(outbuf, 1, strlen(outbuf), out);
+
+   free(outbuf);
+   fclose(out);
+
+   return 0;
+}

src/glsl/pp/SConscript

@@ -11,11 +11,4 @@ glsl = env.StaticLibrary(
         'sl_pp_purify.c',
     ],
 )
-
-env = env.Clone()
-
-if env['platform'] == 'windows':
-    env.PrependUnique(LIBS = [
-        'user32', 
-    ])
-env.Prepend(LIBS = [glsl])
+Export('glsl')