src/virtio/vulkan/vn_icd.c

/*
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: MIT
 *
 * based in part on anv and radv which are:
 * Copyright © 2015 Intel Corporation
 * Copyright © 2016 Red Hat.
 * Copyright © 2016 Bas Nieuwenhuizen
 */

#include "vn_icd.h"

#include "vn_instance.h"

/* we support all versions from version 1 up to version 5 */
static uint32_t vn_icd_version = 5;

VkResult
vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t *pSupportedVersion)
{
   vn_env_init();
   vn_trace_init();

   vn_icd_version = MIN2(vn_icd_version, *pSupportedVersion);
   if (VN_DEBUG(INIT))
      vn_log(NULL, "using ICD interface version %d", vn_icd_version);

   *pSupportedVersion = vn_icd_version;
   return VK_SUCCESS;
}

PFN_vkVoidFunction
vk_icdGetInstanceProcAddr(VkInstance instance, const char *pName)
{
   return vn_GetInstanceProcAddr(instance, pName);
}

PFN_vkVoidFunction
vk_icdGetPhysicalDeviceProcAddr(VkInstance _instance, const char *pName)
{
   struct vn_instance *instance = vn_instance_from_handle(_instance);
   return vk_instance_get_physical_device_proc_addr(&instance->base.base,
                                                    pName);
}

bool
vn_icd_supports_api_version(uint32_t api_version)
{
   return vn_icd_version >= 5 || api_version < VK_API_VERSION_1_1;
}