/* * Copyright © 2010 Intel Corporation * * 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, sublicense, * 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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 <string.h> #include <errno.h> #include "glcpp.h" #include "main/mtypes.h" #include "main/shaderobj.h" extern int yydebug; void _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, struct gl_shader *sh) { (void) ctx; *ptr = sh; } /* Read from fp until EOF and return a string of everything read. */ static char * load_text_fp (void *ctx, FILE *fp) { #define CHUNK 4096 char *text = NULL; size_t text_size = 0; size_t total_read = 0; size_t bytes; while (1) { if (total_read + CHUNK + 1 > text_size) { text_size = text_size ? text_size * 2 : CHUNK + 1; text = reralloc_size (ctx, text, text_size); if (text == NULL) { fprintf (stderr, "Out of memory\n"); return NULL; } } bytes = fread (text + total_read, 1, CHUNK, fp); total_read += bytes; if (bytes < CHUNK) { break; } } text[total_read] = '\0'; return text; } static char * load_text_file(void *ctx, const char *filename) { char *text; FILE *fp; if (filename == NULL || strcmp (filename, "-") == 0) return load_text_fp (ctx, stdin); fp = fopen (filename, "r"); if (fp == NULL) { fprintf (stderr, "Failed to open file %s: %s\n", filename, strerror (errno)); return NULL; } text = load_text_fp (ctx, fp); fclose(fp); return text; } int main (int argc, char *argv[]) { char *filename = NULL; void *ctx = ralloc(NULL, void*); char *info_log = ralloc_strdup(ctx, ""); const char *shader; int ret; if (argc) { filename = argv[1]; } shader = load_text_file (ctx, filename); if (shader == NULL) return 1; ret = preprocess(ctx, &shader, &info_log, NULL, API_OPENGL); printf("%s", shader); fprintf(stderr, "%s", info_log); ralloc_free(ctx); return ret; }