forked from Qortal/Brooklyn
51 lines
2.3 KiB
C
51 lines
2.3 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef KHRN_INTERLOCK_FILLER_4_H
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#define KHRN_INTERLOCK_FILLER_4_H
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#include "interface/khronos/common/khrn_int_util.h"
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/* users are render states. user = 1 << render state index */
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typedef enum {
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KHRN_INTERLOCK_USER_NONE = 0,
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KHRN_INTERLOCK_USER_INVALID = 1 << 29, /* <= 29 render states, so can use top 3 bits for temp/writing/inv */
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KHRN_INTERLOCK_USER_TEMP = 1 << 30,
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KHRN_INTERLOCK_USER_WRITING = 1 << 31
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} KHRN_INTERLOCK_USER_T;
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static INLINE KHRN_INTERLOCK_USER_T khrn_interlock_user(uint32_t i) { return (KHRN_INTERLOCK_USER_T)(1 << i); }
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static INLINE uint32_t khrn_interlock_render_state_i(KHRN_INTERLOCK_USER_T user) { return _msb(user); }
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typedef struct {
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/* top bits: who? */
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uint64_t hw_read_pos;
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uint64_t worker_read_pos;
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uint64_t write_pos;
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} KHRN_INTERLOCK_EXTRA_T;
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#endif
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