glsl/apps: Add GLSL compiler that translates source text into binary stream.

Should be used in place of gc_to_bin utility to precompile builtin library.

src/glsl/apps/SConscript

@@ -7,7 +7,7 @@ if env['platform'] == 'windows':
         'user32',
     ])
 
-env.Prepend(LIBS = [glsl])
+env.Prepend(LIBS = [glsl, glslcl])
 
 env.Program(
     target = 'purify',
@@ -28,3 +28,8 @@ env.Program(
     target = 'process',
     source = ['process.c'],
 )
+
+env.Program(
+    target = 'compile',
+    source = ['compile.c'],
+)

src/glsl/apps/compile.c

@@ -0,0 +1,213 @@
+/**************************************************************************
+ * 
+ * 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 <string.h>
+#include <assert.h>
+#include "../pp/sl_pp_public.h"
+#include "../cl/sl_cl_parse.h"
+
+
+int
+main(int argc,
+     char *argv[])
+{
+   FILE *in;
+   long size;
+   char *inbuf;
+   struct sl_pp_purify_options options;
+   char *outbuf;
+   char errmsg[100] = "";
+   unsigned int errline = 0;
+   struct sl_pp_context *context;
+   struct sl_pp_token_info *tokens;
+   unsigned int version;
+   unsigned int tokens_eaten;
+   struct sl_pp_token_info *outtokens;
+   FILE *out;
+   unsigned int i, j;
+   unsigned char *outbytes;
+   unsigned int cboutbytes;
+   unsigned int shader_type;
+
+   if (argc != 4) {
+      return 1;
+   }
+
+   if (!strcmp(argv[1], "fragment")) {
+      shader_type = 1;
+   } else if (!strcmp(argv[1], "vertex")) {
+      shader_type = 2;
+   } else {
+      return 1;
+   }
+
+   in = fopen(argv[2], "rb");
+   if (!in) {
+      return 1;
+   }
+
+   fseek(in, 0, SEEK_END);
+   size = ftell(in);
+   fseek(in, 0, SEEK_SET);
+
+   out = fopen(argv[3], "w");
+   if (!out) {
+      fclose(in);
+      return 1;
+   }
+
+   inbuf = malloc(size + 1);
+   if (!inbuf) {
+      fprintf(out, "$OOMERROR\n");
+
+      fclose(out);
+      fclose(in);
+      return 1;
+   }
+
+   if (fread(inbuf, 1, size, in) != size) {
+      fprintf(out, "$READERROR\n");
+
+      free(inbuf);
+      fclose(out);
+      fclose(in);
+      return 1;
+   }
+   inbuf[size] = '\0';
+
+   fclose(in);
+
+   memset(&options, 0, sizeof(options));
+
+   if (sl_pp_purify(inbuf, &options, &outbuf, errmsg, sizeof(errmsg), &errline)) {
+      fprintf(out, "$PURIFYERROR %s\n", errmsg);
+
+      free(inbuf);
+      fclose(out);
+      return 1;
+   }
+
+   free(inbuf);
+
+   context = sl_pp_context_create();
+   if (!context) {
+      fprintf(out, "$CONTEXERROR\n");
+
+      free(outbuf);
+      fclose(out);
+      return 1;
+   }
+
+   if (sl_pp_tokenise(context, outbuf, &tokens)) {
+      fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
+
+      sl_pp_context_destroy(context);
+      free(outbuf);
+      fclose(out);
+      return 1;
+   }
+
+   free(outbuf);
+
+   if (sl_pp_version(context, tokens, &version, &tokens_eaten)) {
+      fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
+
+      sl_pp_context_destroy(context);
+      free(tokens);
+      fclose(out);
+      return -1;
+   }
+
+   if (sl_pp_process(context, &tokens[tokens_eaten], &outtokens)) {
+      fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
+
+      sl_pp_context_destroy(context);
+      free(tokens);
+      fclose(out);
+      return -1;
+   }
+
+   free(tokens);
+
+   for (i = j = 0; outtokens[i].token != SL_PP_EOF; i++) {
+      switch (outtokens[i].token) {
+      case SL_PP_NEWLINE:
+      case SL_PP_EXTENSION_REQUIRE:
+      case SL_PP_EXTENSION_ENABLE:
+      case SL_PP_EXTENSION_WARN:
+      case SL_PP_EXTENSION_DISABLE:
+      case SL_PP_LINE:
+         break;
+      default:
+         outtokens[j++] = outtokens[i];
+      }
+   }
+   outtokens[j] = outtokens[i];
+
+   if (sl_cl_compile(context, outtokens, shader_type, &outbytes, &cboutbytes) == 0) {
+      unsigned int i;
+      unsigned int line = 0;
+
+      fprintf(out, "\n/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */");
+      fprintf(out, "\n/* %s */", argv[2]);
+      fprintf(out, "\n\n");
+
+      for (i = 0; i < cboutbytes; i++) {
+         unsigned int a;
+
+         if (outbytes[i] < 10) {
+            a = 1;
+         } else if (outbytes[i] < 100) {
+            a = 2;
+         } else {
+            a = 3;
+         }
+         if (i < cboutbytes - 1) {
+            a++;
+         }
+         if (line + a >= 100) {
+            fprintf (out, "\n");
+            line = 0;
+         }
+         line += a;
+         fprintf (out, "%u", outbytes[i]);
+         if (i < cboutbytes - 1) {
+            fprintf (out, ",");
+         }
+      }
+      fprintf (out, "\n");
+      free(outbytes);
+   }
+
+   sl_pp_context_destroy(context);
+   free(outtokens);
+   fclose(out);
+
+   return 0;
+}