IABSD.fr/xenocara/lib/mesa/src/vulkan/runtime/vk_sync_binary.c

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• Author : jsg
  Date : 2025-06-05 11:23:11
  Hash : 67d6f117
  Message : Import Mesa 25.0.7

• lib/mesa/src/vulkan/runtime/vk_sync_binary.c

• /*
   * 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.
   */
  
  #include "vk_sync_binary.h"
  
  #include "vk_util.h"
  
  static struct vk_sync_binary *
  to_vk_sync_binary(struct vk_sync *sync)
  {
     assert(sync->type->init == vk_sync_binary_init);
  
     return container_of(sync, struct vk_sync_binary, sync);
  }
  
  VkResult
  vk_sync_binary_init(struct vk_device *device,
                      struct vk_sync *sync,
                      uint64_t initial_value)
  {
     struct vk_sync_binary *binary = to_vk_sync_binary(sync);
  
     const struct vk_sync_binary_type *btype =
        container_of(binary->sync.type, struct vk_sync_binary_type, sync);
  
     assert(!(sync->flags & VK_SYNC_IS_TIMELINE));
     assert(!(sync->flags & VK_SYNC_IS_SHAREABLE));
  
     binary->next_point = (initial_value == 0);
  
     return vk_sync_init(device, &binary->timeline, btype->timeline_type,
                         VK_SYNC_IS_TIMELINE, 0 /* initial_value */);
  }
  
  static void
  vk_sync_binary_finish(struct vk_device *device,
                        struct vk_sync *sync)
  {
     struct vk_sync_binary *binary = to_vk_sync_binary(sync);
  
     vk_sync_finish(device, &binary->timeline);
  }
  
  static VkResult
  vk_sync_binary_reset(struct vk_device *device,
                       struct vk_sync *sync)
  {
     struct vk_sync_binary *binary = to_vk_sync_binary(sync);
  
     binary->next_point++;
  
     return VK_SUCCESS;
  }
  
  static VkResult
  vk_sync_binary_signal(struct vk_device *device,
                        struct vk_sync *sync,
                        uint64_t value)
  {
     struct vk_sync_binary *binary = to_vk_sync_binary(sync);
  
     assert(value == 0);
  
     return vk_sync_signal(device, &binary->timeline, binary->next_point);
  }
  
  static VkResult
  vk_sync_binary_wait_many(struct vk_device *device,
                           uint32_t wait_count,
                           const struct vk_sync_wait *waits,
                           enum vk_sync_wait_flags wait_flags,
                           uint64_t abs_timeout_ns)
  {
     if (wait_count == 0)
        return VK_SUCCESS;
  
     STACK_ARRAY(struct vk_sync_wait, timeline_waits, wait_count);
  
     for (uint32_t i = 0; i < wait_count; i++) {
        struct vk_sync_binary *binary = to_vk_sync_binary(waits[i].sync);
  
        timeline_waits[i] = (struct vk_sync_wait) {
           .sync = &binary->timeline,
           .stage_mask = waits[i].stage_mask,
           .wait_value = binary->next_point,
        };
     }
  
     VkResult result = vk_sync_wait_many(device, wait_count, timeline_waits, 
                                         wait_flags, abs_timeout_ns);
  
     STACK_ARRAY_FINISH(timeline_waits);
  
     return result;
  }
  
  struct vk_sync_binary_type
  vk_sync_binary_get_type(const struct vk_sync_type *timeline_type)
  {
     assert(timeline_type->features & VK_SYNC_FEATURE_TIMELINE);
  
     return (struct vk_sync_binary_type) {
        .sync = {
           .size = offsetof(struct vk_sync_binary, timeline) +
                   timeline_type->size,
           .features = VK_SYNC_FEATURE_BINARY |
                       VK_SYNC_FEATURE_GPU_WAIT |
                       VK_SYNC_FEATURE_CPU_WAIT |
                       VK_SYNC_FEATURE_CPU_RESET |
                       VK_SYNC_FEATURE_CPU_SIGNAL |
                       VK_SYNC_FEATURE_WAIT_ANY |
                       VK_SYNC_FEATURE_WAIT_PENDING,
           .init = vk_sync_binary_init,
           .finish = vk_sync_binary_finish,
           .reset = vk_sync_binary_reset,
           .signal = vk_sync_binary_signal,
           .wait_many = vk_sync_binary_wait_many,
        },
        .timeline_type = timeline_type,
     };
  }