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| Rev | Author | Line No. | Line |
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| 1901 | serge | 1 | /* |
| 2 | * Copyright © 2010 Intel Corporation |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice (including the next |
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| 12 | * paragraph) shall be included in all copies or substantial portions of the |
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| 13 | * Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 21 | * DEALINGS IN THE SOFTWARE. |
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| 22 | */ |
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| 23 | |||
| 24 | #include |
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| 25 | #include |
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| 26 | #include |
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| 27 | #include |
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| 28 | #include |
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| 29 | #include |
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| 30 | #include "glcpp.h" |
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| 31 | #include "main/mtypes.h" |
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| 32 | #include "main/shaderobj.h" |
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| 33 | |||
| 34 | extern int yydebug; |
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| 35 | |||
| 36 | void |
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| 37 | _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, |
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| 38 | struct gl_shader *sh) |
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| 39 | { |
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| 40 | *ptr = sh; |
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| 41 | } |
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| 42 | |||
| 43 | /* Read from fd until EOF and return a string of everything read. |
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| 44 | */ |
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| 45 | static char * |
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| 46 | load_text_fd (void *ctx, int fd) |
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| 47 | { |
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| 48 | #define CHUNK 4096 |
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| 49 | char *text = NULL; |
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| 50 | ssize_t text_size = 0; |
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| 51 | ssize_t total_read = 0; |
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| 52 | ssize_t bytes; |
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| 53 | |||
| 54 | while (1) { |
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| 55 | if (total_read + CHUNK + 1 > text_size) { |
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| 56 | text_size = text_size ? text_size * 2 : CHUNK + 1; |
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| 57 | text = reralloc_size (ctx, text, text_size); |
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| 58 | if (text == NULL) { |
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| 59 | fprintf (stderr, "Out of memory\n"); |
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| 60 | return NULL; |
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| 61 | } |
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| 62 | } |
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| 63 | bytes = read (fd, text + total_read, CHUNK); |
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| 64 | if (bytes < 0) { |
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| 65 | fprintf (stderr, "Error while reading: %s\n", |
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| 66 | strerror (errno)); |
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| 67 | ralloc_free (text); |
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| 68 | return NULL; |
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| 69 | } |
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| 70 | |||
| 71 | if (bytes == 0) { |
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| 72 | break; |
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| 73 | } |
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| 74 | |||
| 75 | total_read += bytes; |
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| 76 | } |
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| 77 | |||
| 78 | text[total_read] = '\0'; |
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| 79 | |||
| 80 | return text; |
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| 81 | } |
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| 82 | |||
| 83 | static char * |
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| 84 | load_text_file(void *ctx, const char *filename) |
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| 85 | { |
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| 86 | char *text; |
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| 87 | int fd; |
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| 88 | |||
| 89 | if (filename == NULL || strcmp (filename, "-") == 0) |
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| 90 | return load_text_fd (ctx, STDIN_FILENO); |
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| 91 | |||
| 92 | fd = open (filename, O_RDONLY); |
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| 93 | if (fd < 0) { |
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| 94 | fprintf (stderr, "Failed to open file %s: %s\n", |
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| 95 | filename, strerror (errno)); |
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| 96 | return NULL; |
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| 97 | } |
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| 98 | |||
| 99 | text = load_text_fd (ctx, fd); |
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| 100 | |||
| 101 | close(fd); |
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| 102 | |||
| 103 | return text; |
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| 104 | } |
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| 105 | |||
| 106 | int |
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| 107 | main (int argc, char *argv[]) |
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| 108 | { |
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| 109 | char *filename = NULL; |
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| 110 | void *ctx = ralloc(NULL, void*); |
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| 111 | char *info_log = ralloc_strdup(ctx, ""); |
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| 112 | const char *shader; |
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| 113 | int ret; |
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| 114 | |||
| 115 | if (argc) { |
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| 116 | filename = argv[1]; |
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| 117 | } |
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| 118 | |||
| 119 | shader = load_text_file (ctx, filename); |
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| 120 | if (shader == NULL) |
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| 121 | return 1; |
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| 122 | |||
| 123 | ret = preprocess(ctx, &shader, &info_log, NULL, API_OPENGL); |
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| 124 | |||
| 125 | printf("%s", shader); |
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| 126 | fprintf(stderr, "%s", info_log); |
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| 127 | |||
| 128 | ralloc_free(ctx); |
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| 129 | |||
| 130 | return ret; |
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| 131 | } |