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/*
* Copyright © 2021 Bas Nieuwenhuizen
* Copyright © 2023 Valve 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_acceleration_structure.h"
#include "vk_alloc.h"
#include "vk_common_entrypoints.h"
#include "vk_device.h"
#include "vk_log.h"
VkDeviceAddress
vk_acceleration_structure_get_va(struct vk_acceleration_structure *accel_struct)
{
VkBufferDeviceAddressInfo info = {
.sType = VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO,
.buffer = accel_struct->buffer,
};
VkDeviceAddress base_addr = accel_struct->base.device->dispatch_table.GetBufferDeviceAddress(
vk_device_to_handle(accel_struct->base.device), &info);
return base_addr + accel_struct->offset;
}
VKAPI_ATTR VkResult VKAPI_CALL
vk_common_CreateAccelerationStructureKHR(VkDevice _device,
const VkAccelerationStructureCreateInfoKHR *pCreateInfo,
const VkAllocationCallbacks *pAllocator,
VkAccelerationStructureKHR *pAccelerationStructure)
{
VK_FROM_HANDLE(vk_device, device, _device);
struct vk_acceleration_structure *accel_struct = vk_object_alloc(
device, pAllocator, sizeof(struct vk_acceleration_structure),
VK_OBJECT_TYPE_ACCELERATION_STRUCTURE_KHR);
if (!accel_struct)
return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
accel_struct->buffer = pCreateInfo->buffer;
accel_struct->offset = pCreateInfo->offset;
accel_struct->size = pCreateInfo->size;
if (pCreateInfo->deviceAddress &&
vk_acceleration_structure_get_va(accel_struct) != pCreateInfo->deviceAddress)
return vk_error(device, VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS_KHR);
*pAccelerationStructure = vk_acceleration_structure_to_handle(accel_struct);
return VK_SUCCESS;
}
VKAPI_ATTR void VKAPI_CALL
vk_common_DestroyAccelerationStructureKHR(VkDevice _device,
VkAccelerationStructureKHR accelerationStructure,
const VkAllocationCallbacks *pAllocator)
{
VK_FROM_HANDLE(vk_device, device, _device);
VK_FROM_HANDLE(vk_acceleration_structure, accel_struct, accelerationStructure);
if (!accel_struct)
return;
vk_object_free(device, pAllocator, accel_struct);
}
VKAPI_ATTR VkDeviceAddress VKAPI_CALL
vk_common_GetAccelerationStructureDeviceAddressKHR(
VkDevice _device, const VkAccelerationStructureDeviceAddressInfoKHR *pInfo)
{
VK_FROM_HANDLE(vk_acceleration_structure, accel_struct, pInfo->accelerationStructure);
return vk_acceleration_structure_get_va(accel_struct);
}
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