vulkan: Add a dummy sync type
This is useful in WSI scenarios where you want to trivially signal a fence or semaphore. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13427>
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@ -60,6 +60,8 @@ vulkan_runtime_files = files(
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'vk_sync.h',
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'vk_sync.h',
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'vk_sync_binary.c',
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'vk_sync_binary.c',
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'vk_sync_binary.h',
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'vk_sync_binary.h',
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'vk_sync_dummy.c',
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'vk_sync_dummy.h',
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'vk_sync_timeline.c',
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'vk_sync_timeline.c',
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'vk_sync_timeline.h',
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'vk_sync_timeline.h',
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'vk_synchronization2.c',
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'vk_synchronization2.c',
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@ -36,6 +36,7 @@
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#include "vk_semaphore.h"
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#include "vk_semaphore.h"
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#include "vk_sync.h"
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#include "vk_sync.h"
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#include "vk_sync_binary.h"
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#include "vk_sync_binary.h"
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#include "vk_sync_dummy.h"
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#include "vk_sync_timeline.h"
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#include "vk_sync_timeline.h"
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#include "vk_util.h"
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#include "vk_util.h"
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@ -257,6 +258,10 @@ vk_queue_submit_final(struct vk_queue *queue,
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submit->waits[i].wait_value == 0)
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submit->waits[i].wait_value == 0)
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continue;
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continue;
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/* Waits on dummy vk_syncs are no-ops */
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if (vk_sync_type_is_dummy(submit->waits[i].sync->type))
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continue;
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/* For emulated timelines, we have a binary vk_sync associated with
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/* For emulated timelines, we have a binary vk_sync associated with
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* each time point and pass the binary vk_sync to the driver.
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* each time point and pass the binary vk_sync to the driver.
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*/
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*/
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@ -0,0 +1,59 @@
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/*
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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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#include "vk_sync_dummy.h"
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static VkResult
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vk_sync_dummy_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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{
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return VK_SUCCESS;
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}
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static void
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vk_sync_dummy_finish(struct vk_device *device,
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struct vk_sync *sync)
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{ }
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static VkResult
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vk_sync_dummy_wait_many(struct vk_device *device,
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uint32_t wait_count,
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const struct vk_sync_wait *waits,
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enum vk_sync_wait_flags wait_flags,
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uint64_t abs_timeout_ns)
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{
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return VK_SUCCESS;
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}
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const struct vk_sync_type vk_sync_dummy_type = {
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.size = sizeof(struct vk_sync),
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.features = VK_SYNC_FEATURE_BINARY |
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VK_SYNC_FEATURE_GPU_WAIT |
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VK_SYNC_FEATURE_CPU_WAIT |
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VK_SYNC_FEATURE_WAIT_ANY |
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VK_SYNC_FEATURE_WAIT_PENDING,
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.init = vk_sync_dummy_init,
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.finish = vk_sync_dummy_finish,
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.wait_many = vk_sync_dummy_wait_many,
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};
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@ -0,0 +1,44 @@
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/*
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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_DUMMY_H
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#define VK_SYNC_DUMMY_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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extern const struct vk_sync_type vk_sync_dummy_type;
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static inline bool
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vk_sync_type_is_dummy(const struct vk_sync_type *type)
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{
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return type == &vk_sync_dummy_type;
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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_SYNC_H */
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