80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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* Copyright © 2021 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 DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef VK_SYNC_BINARY_H
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#define VK_SYNC_BINARY_H
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#include "vk_sync.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct vk_sync_binary_type {
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struct vk_sync_type sync;
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const struct vk_sync_type *timeline_type;
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};
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struct vk_sync_binary_type
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vk_sync_binary_get_type(const struct vk_sync_type *timeline_type);
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/** Implements a binary vk_sync type on top of a timeline vk_sync
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*
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* This is useful when targeting Windows APIs such as D3D12 which only have
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* timelines and have no concept of a binary synchronization object. Because
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* binary vk_sync emulation requires tracking additional state (the next time
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* point), fences and semaphores created from this type cannot support any of
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* the sharing APIs.
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*/
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struct vk_sync_binary {
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struct vk_sync sync;
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uint64_t next_point;
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struct vk_sync timeline;
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};
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VkResult vk_sync_binary_init(struct vk_device *device,
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struct vk_sync *sync,
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uint64_t initial_value);
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static inline bool
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vk_sync_type_is_vk_sync_binary(const struct vk_sync_type *type)
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{
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return type->init == vk_sync_binary_init;
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}
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static inline struct vk_sync_binary *
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vk_sync_as_binary(struct vk_sync *sync)
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{
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if (!vk_sync_type_is_vk_sync_binary(sync->type))
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return NULL;
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return container_of(sync, struct vk_sync_binary, sync);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* VK_TIMELINE_H */
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