dbd6135bc1
This should help avoid confusion now that we're using the gl_api enum to distinguishing between core and compatibility API's. The corresponding enum value for core API's is API_OPENGL_CORE. Acked-by: Eric Anholt <eric@anholt.net> Acked-by: Matt Turner <mattst88@gmail.com> Acked-by: Kenneth Graunke <kenneth@whitecape.org>
123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "glcpp.h"
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#include "main/mtypes.h"
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#include "main/shaderobj.h"
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extern int yydebug;
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void
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_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
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struct gl_shader *sh)
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{
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(void) ctx;
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*ptr = sh;
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}
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/* Read from fp until EOF and return a string of everything read.
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*/
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static char *
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load_text_fp (void *ctx, FILE *fp)
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{
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#define CHUNK 4096
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char *text = NULL;
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size_t text_size = 0;
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size_t total_read = 0;
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size_t bytes;
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while (1) {
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if (total_read + CHUNK + 1 > text_size) {
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text_size = text_size ? text_size * 2 : CHUNK + 1;
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text = reralloc_size (ctx, text, text_size);
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if (text == NULL) {
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fprintf (stderr, "Out of memory\n");
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return NULL;
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}
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}
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bytes = fread (text + total_read, 1, CHUNK, fp);
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total_read += bytes;
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if (bytes < CHUNK) {
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break;
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}
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}
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text[total_read] = '\0';
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return text;
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}
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static char *
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load_text_file(void *ctx, const char *filename)
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{
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char *text;
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FILE *fp;
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if (filename == NULL || strcmp (filename, "-") == 0)
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return load_text_fp (ctx, stdin);
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fp = fopen (filename, "r");
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if (fp == NULL) {
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fprintf (stderr, "Failed to open file %s: %s\n",
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filename, strerror (errno));
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return NULL;
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}
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text = load_text_fp (ctx, fp);
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fclose(fp);
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return text;
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}
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int
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main (int argc, char *argv[])
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{
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char *filename = NULL;
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void *ctx = ralloc(NULL, void*);
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char *info_log = ralloc_strdup(ctx, "");
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const char *shader;
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int ret;
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if (argc) {
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filename = argv[1];
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}
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shader = load_text_file (ctx, filename);
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if (shader == NULL)
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return 1;
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ret = glcpp_preprocess(ctx, &shader, &info_log, NULL, API_OPENGL_COMPAT);
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printf("%s", shader);
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fprintf(stderr, "%s", info_log);
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ralloc_free(ctx);
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return ret;
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}
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