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-rw-r--r--src/gallium/auxiliary/util/u_bitmask.h117
1 files changed, 0 insertions, 117 deletions
diff --git a/src/gallium/auxiliary/util/u_bitmask.h b/src/gallium/auxiliary/util/u_bitmask.h
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--- a/src/gallium/auxiliary/util/u_bitmask.h
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-/**************************************************************************
- *
- * Copyright 2009 VMware, Inc.
- * 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 VMWARE 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.
- *
- **************************************************************************/
-
-/**
- * @file
- * Generic bitmask.
- *
- * @author Jose Fonseca <jfonseca@vmware.com>
- */
-
-#ifndef U_HANDLE_BITMASK_H_
-#define U_HANDLE_BITMASK_H_
-
-
-#include "pipe/p_compiler.h"
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-#define UTIL_BITMASK_INVALID_INDEX (~0U)
-
-
-/**
- * Abstract data type to represent arbitrary set of bits.
- */
-struct util_bitmask;
-
-
-struct util_bitmask *
-util_bitmask_create(void);
-
-
-/**
- * Search a cleared bit and set it.
- *
- * It searches for the first cleared bit.
- *
- * Returns the bit index on success, or UTIL_BITMASK_INVALID_INDEX on out of
- * memory growing the bitmask.
- */
-unsigned
-util_bitmask_add(struct util_bitmask *bm);
-
-/**
- * Set a bit.
- *
- * Returns the input index on success, or UTIL_BITMASK_INVALID_INDEX on out of
- * memory growing the bitmask.
- */
-unsigned
-util_bitmask_set(struct util_bitmask *bm,
- unsigned index);
-
-void
-util_bitmask_clear(struct util_bitmask *bm,
- unsigned index);
-
-boolean
-util_bitmask_get(struct util_bitmask *bm,
- unsigned index);
-
-
-void
-util_bitmask_destroy(struct util_bitmask *bm);
-
-
-/**
- * Search for the first set bit.
- *
- * Returns UTIL_BITMASK_INVALID_INDEX if a set bit cannot be found.
- */
-unsigned
-util_bitmask_get_first_index(struct util_bitmask *bm);
-
-
-/**
- * Search for the first set bit, starting from the giving index.
- *
- * Returns UTIL_BITMASK_INVALID_INDEX if a set bit cannot be found.
- */
-unsigned
-util_bitmask_get_next_index(struct util_bitmask *bm,
- unsigned index);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* U_HANDLE_BITMASK_H_ */