| /* |
| * Copyright © 2021 Intel Corporation |
| * |
| * 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, sublicense, |
| * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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 VK_FENCE_H |
| #define VK_FENCE_H |
| |
| #include "vk_object.h" |
| #include "vk_sync.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| struct vk_sync; |
| |
| struct vk_fence { |
| struct vk_object_base base; |
| |
| /* Temporary fence state. |
| * |
| * A fence *may* have temporary state. That state is added to the fence by |
| * an import operation and is reset back to NULL when the fence is reset. |
| * A fence with temporary state cannot be signaled because the fence must |
| * already be signaled before the temporary state can be exported from the |
| * fence in the other process and imported here. |
| */ |
| struct vk_sync *temporary; |
| |
| /** Permanent fence state. |
| * |
| * Every fence has some form of permanent state. |
| * |
| * This field must be last |
| */ |
| _Alignas(8) struct vk_sync permanent; |
| }; |
| |
| VK_DEFINE_NONDISP_HANDLE_CASTS(vk_fence, base, VkFence, |
| VK_OBJECT_TYPE_FENCE); |
| |
| VkResult vk_fence_create(struct vk_device *device, |
| const VkFenceCreateInfo *pCreateInfo, |
| const VkAllocationCallbacks *pAllocator, |
| struct vk_fence **fence_out); |
| |
| void vk_fence_destroy(struct vk_device *device, |
| struct vk_fence *fence, |
| const VkAllocationCallbacks *pAllocator); |
| |
| void vk_fence_reset_temporary(struct vk_device *device, |
| struct vk_fence *fence); |
| |
| static inline struct vk_sync * |
| vk_fence_get_active_sync(struct vk_fence *fence) |
| { |
| return fence->temporary ? fence->temporary : &fence->permanent; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* VK_FENCE_H */ |