src/intel/vulkan/anv_event.c

/* Copyright © 2024 Intel Corporation
 * SPDX-License-Identifier: MIT
 */

#include "anv_private.h"

VkResult anv_CreateEvent(
    VkDevice                                    _device,
    const VkEventCreateInfo*                    pCreateInfo,
    const VkAllocationCallbacks*                pAllocator,
    VkEvent*                                    pEvent)
{
   ANV_FROM_HANDLE(anv_device, device, _device);
   struct anv_event *event;

   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_EVENT_CREATE_INFO);

   event = vk_object_alloc(&device->vk, pAllocator, sizeof(*event),
                           VK_OBJECT_TYPE_EVENT);
   if (event == NULL)
      return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);

   event->state = anv_state_pool_alloc(&device->dynamic_state_pool,
                                       sizeof(uint64_t), 8);
   *(uint64_t *)event->state.map = VK_EVENT_RESET;

   ANV_RMV(event_create, device, event, pCreateInfo->flags, false);

   *pEvent = anv_event_to_handle(event);

   return VK_SUCCESS;
}

void anv_DestroyEvent(
    VkDevice                                    _device,
    VkEvent                                     _event,
    const VkAllocationCallbacks*                pAllocator)
{
   ANV_FROM_HANDLE(anv_device, device, _device);
   ANV_FROM_HANDLE(anv_event, event, _event);

   if (!event)
      return;

   ANV_RMV(resource_destroy, device, event);

   anv_state_pool_free(&device->dynamic_state_pool, event->state);

   vk_object_free(&device->vk, pAllocator, event);
}

VkResult anv_GetEventStatus(
    VkDevice                                    _device,
    VkEvent                                     _event)
{
   ANV_FROM_HANDLE(anv_device, device, _device);
   ANV_FROM_HANDLE(anv_event, event, _event);

   if (vk_device_is_lost(&device->vk))
      return VK_ERROR_DEVICE_LOST;

   return *(uint64_t *)event->state.map;
}

VkResult anv_SetEvent(
    VkDevice                                    _device,
    VkEvent                                     _event)
{
   ANV_FROM_HANDLE(anv_event, event, _event);

   *(uint64_t *)event->state.map = VK_EVENT_SET;

   return VK_SUCCESS;
}

VkResult anv_ResetEvent(
    VkDevice                                    _device,
    VkEvent                                     _event)
{
   ANV_FROM_HANDLE(anv_event, event, _event);

   *(uint64_t *)event->state.map = VK_EVENT_RESET;

   return VK_SUCCESS;
}