1 files changed, 62 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_idalloc.h b/src/gallium/auxiliary/util/u_idalloc.h
new file mode 100644
index 00000000000..82469e94d82
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_idalloc.h
@@ -0,0 +1,62 @@
+/**************************************************************************
+ *
+ * Copyright 2017 Valve Corporation
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+#ifndef U_IDALLOC_H
+#define U_IDALLOC_H
+
+#include <inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct util_idalloc
+{
+   uint32_t *data;
+   unsigned num_elements;
+};
+
+void
+util_idalloc_init(struct util_idalloc *buf);
+
+void
+util_idalloc_fini(struct util_idalloc *buf);
+
+void
+util_idalloc_resize(struct util_idalloc *buf, unsigned new_num_elements);
+
+unsigned
+util_idalloc_alloc(struct util_idalloc *buf);
+
+void
+util_idalloc_free(struct util_idalloc *buf, unsigned id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* U_IDALLOC_H */