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/**************************************************************************
*
* 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"
static void
usage(void)
{
printf("Usage:\n");
printf(" compile fragment|vertex <source> <output>\n");
}
int
main(int argc,
char *argv[])
{
FILE *in;
long size;
char *inbuf;
struct sl_pp_purify_options options;
char errmsg[100] = "";
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) {
usage();
return 1;
}
if (!strcmp(argv[1], "fragment")) {
shader_type = 1;
} else if (!strcmp(argv[1], "vertex")) {
shader_type = 2;
} else {
usage();
return 1;
}
in = fopen(argv[2], "rb");
if (!in) {
printf("Could not open `%s' for read.\n", argv[2]);
usage();
return 1;
}
fseek(in, 0, SEEK_END);
size = ftell(in);
fseek(in, 0, SEEK_SET);
out = fopen(argv[3], "w");
if (!out) {
fclose(in);
printf("Could not open `%s' for write.\n", argv[3]);
usage();
return 1;
}
inbuf = malloc(size + 1);
if (!inbuf) {
fprintf(out, "$OOMERROR\n");
fclose(out);
fclose(in);
printf("Out of memory.\n");
return 0;
}
if (fread(inbuf, 1, size, in) != size) {
fprintf(out, "$READERROR\n");
free(inbuf);
fclose(out);
fclose(in);
printf("Could not read from `%s'.\n", argv[2]);
return 0;
}
inbuf[size] = '\0';
fclose(in);
memset(&options, 0, sizeof(options));
context = sl_pp_context_create();
if (!context) {
fprintf(out, "$CONTEXERROR\n");
free(inbuf);
fclose(out);
printf("Could not create parse context.\n");
return 0;
}
if (sl_pp_tokenise(context, inbuf, &options, &tokens)) {
fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
printf("Error: %s.\n", sl_pp_context_error_message(context));
sl_pp_context_destroy(context);
free(inbuf);
fclose(out);
return 0;
}
free(inbuf);
if (sl_pp_version(context, tokens, &version, &tokens_eaten)) {
fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
printf("Error: %s\n", sl_pp_context_error_message(context));
sl_pp_context_destroy(context);
free(tokens);
fclose(out);
return 0;
}
if (sl_pp_context_add_extension(context, "ARB_draw_buffers", "GL_ARB_draw_buffers") ||
sl_pp_context_add_extension(context, "ARB_texture_rectangle", "GL_ARB_texture_rectangle")) {
fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
printf("Error: %s\n", sl_pp_context_error_message(context));
sl_pp_context_destroy(context);
free(tokens);
fclose(out);
return 0;
}
if (sl_pp_process(context, &tokens[tokens_eaten], &outtokens)) {
fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
printf("Error: %s\n", sl_pp_context_error_message(context));
sl_pp_context_destroy(context);
free(tokens);
fclose(out);
return 0;
}
free(tokens);
for (i = j = 0; outtokens[i].token != SL_PP_EOF; i++) {
switch (outtokens[i].token) {
case SL_PP_NEWLINE:
case SL_PP_EXTENSION_REQUIRE:
case SL_PP_EXTENSION_ENABLE:
case SL_PP_EXTENSION_WARN:
case SL_PP_EXTENSION_DISABLE:
case SL_PP_LINE:
break;
default:
outtokens[j++] = outtokens[i];
}
}
outtokens[j] = outtokens[i];
if (sl_cl_compile(context, outtokens, shader_type, 1, &outbytes, &cboutbytes, errmsg, sizeof(errmsg)) == 0) {
unsigned int i;
unsigned int line = 0;
fprintf(out, "\n/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */");
fprintf(out, "\n/* %s */", argv[2]);
fprintf(out, "\n\n");
for (i = 0; i < cboutbytes; i++) {
unsigned int a;
if (outbytes[i] < 10) {
a = 1;
} else if (outbytes[i] < 100) {
a = 2;
} else {
a = 3;
}
if (i < cboutbytes - 1) {
a++;
}
if (line + a >= 100) {
fprintf (out, "\n");
line = 0;
}
line += a;
fprintf (out, "%u", outbytes[i]);
if (i < cboutbytes - 1) {
fprintf (out, ",");
}
}
fprintf (out, "\n");
free(outbytes);
} else {
fprintf(out, "$SYNTAXERROR: `%s'\n", errmsg);
printf("Error: %s\n", errmsg);
}
sl_pp_context_destroy(context);
free(outtokens);
fclose(out);
return 0;
}
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