| 0,0 → 1,131 |
|---|
| /* |
| * 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 <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <unistd.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) |
| { |
| *ptr = sh; |
| } |
| |
| /* Read from fd until EOF and return a string of everything read. |
| */ |
| static char * |
| load_text_fd (void *ctx, int fd) |
| { |
| #define CHUNK 4096 |
| char *text = NULL; |
| ssize_t text_size = 0; |
| ssize_t total_read = 0; |
| ssize_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 = read (fd, text + total_read, CHUNK); |
| if (bytes < 0) { |
| fprintf (stderr, "Error while reading: %s\n", |
| strerror (errno)); |
| ralloc_free (text); |
| return NULL; |
| } |
| |
| if (bytes == 0) { |
| break; |
| } |
| |
| total_read += bytes; |
| } |
| |
| text[total_read] = '\0'; |
| |
| return text; |
| } |
| |
| static char * |
| load_text_file(void *ctx, const char *filename) |
| { |
| char *text; |
| int fd; |
| |
| if (filename == NULL || strcmp (filename, "-") == 0) |
| return load_text_fd (ctx, STDIN_FILENO); |
| |
| fd = open (filename, O_RDONLY); |
| if (fd < 0) { |
| fprintf (stderr, "Failed to open file %s: %s\n", |
| filename, strerror (errno)); |
| return NULL; |
| } |
| |
| text = load_text_fd (ctx, fd); |
| |
| close(fd); |
| |
| 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; |
| } |