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-rw-r--r--src/glsl/glcpp/glcpp.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/src/glsl/glcpp/glcpp.c b/src/glsl/glcpp/glcpp.c
new file mode 100644
index 00000000000..cc87e14950b
--- /dev/null
+++ b/src/glsl/glcpp/glcpp.c
@@ -0,0 +1,88 @@
+/*
+ * 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 "glcpp.h"
+
+extern int yydebug;
+
+static char *
+load_text_file(void *ctx, const char *file_name)
+{
+ char *text = NULL;
+ struct stat st;
+ ssize_t total_read = 0;
+ int fd = file_name == NULL ? STDIN_FILENO : open(file_name, O_RDONLY);
+
+ if (fd < 0) {
+ return NULL;
+ }
+
+ if (fstat(fd, & st) == 0) {
+ text = (char *) talloc_size(ctx, st.st_size + 1);
+ if (text != NULL) {
+ do {
+ ssize_t bytes = read(fd, text + total_read,
+ st.st_size - total_read);
+ if (bytes < 0) {
+ text = NULL;
+ break;
+ }
+
+ if (bytes == 0) {
+ break;
+ }
+
+ total_read += bytes;
+ } while (total_read < st.st_size);
+
+ text[total_read] = '\0';
+ }
+ }
+
+ close(fd);
+
+ return text;
+}
+
+int
+preprocess(void *talloc_ctx, const char **shader, char **info_log);
+
+int
+main (void)
+{
+ void *ctx = talloc(NULL, void*);
+ const char *shader = load_text_file(ctx, NULL);
+ char *info_log = talloc_strdup(ctx, "");
+ int ret = preprocess(ctx, &shader, &info_log);
+
+ printf("%s", shader);
+ fprintf(stderr, "%s", info_log);
+
+ talloc_free(ctx);
+
+ return ret;
+}