VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateDevice(VkPhysicalDevice gpu, const VkDeviceCreateInfo *pCreateInfo,
const VkAllocationCallbacks *pAllocator, VkDevice *pDevice) {
VkLayerDeviceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);
assert(chain_info->u.pLayerInfo);
PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr;
PFN_vkGetDeviceProcAddr fpGetDeviceProcAddr = chain_info->u.pLayerInfo->pfnNextGetDeviceProcAddr;
PFN_vkCreateDevice fpCreateDevice = (PFN_vkCreateDevice)fpGetInstanceProcAddr(NULL, "vkCreateDevice");
if (fpCreateDevice == NULL) {
return VK_ERROR_INITIALIZATION_FAILED;
}
// Advance the link info for the next element on the chain
chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext;
VkResult result = fpCreateDevice(gpu, pCreateInfo, pAllocator, pDevice);
if (result != VK_SUCCESS) {
return result;
}
layer_data *my_device_data = GetLayerDataPtr(get_dispatch_key(*pDevice), layer_data_map);
// Setup device dispatch table
my_device_data->device_dispatch_table = new VkLayerDispatchTable;
layer_init_device_dispatch_table(*pDevice, my_device_data->device_dispatch_table, fpGetDeviceProcAddr);
// store the loader callback for initializing created dispatchable objects
chain_info = get_chain_info(pCreateInfo, VK_LOADER_DATA_CALLBACK);
if (chain_info) {
my_device_data->pfn_dev_init = chain_info->u.pfnSetDeviceLoaderData;
} else {
my_device_data->pfn_dev_init = NULL;
}
uint32_t queue_family_count;
layer_data *my_data = GetLayerDataPtr(get_dispatch_key(gpu), layer_data_map);
my_data->instance_dispatch_table->GetPhysicalDeviceQueueFamilyProperties(gpu, &queue_family_count, NULL);
VkQueueFamilyProperties *queue_props = (VkQueueFamilyProperties *)malloc(queue_family_count * sizeof(VkQueueFamilyProperties));
if (queue_props == NULL) {
return VK_ERROR_INITIALIZATION_FAILED;
}
my_data->instance_dispatch_table->GetPhysicalDeviceQueueFamilyProperties(gpu, &queue_family_count, queue_props);
my_device_data->graphicsQueueFamilyIndex = 0;
for (uint32_t i = 0; i < pCreateInfo->queueCreateInfoCount; i++) {
if (queue_props[pCreateInfo->pQueueCreateInfos[i].queueFamilyIndex].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
my_device_data->graphicsQueueFamilyIndex = pCreateInfo->pQueueCreateInfos[i].queueFamilyIndex;
break;
}
}
free(queue_props);
after_device_create(gpu, *pDevice, my_device_data);
return result;
}
VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateDevice(VkPhysicalDevice gpu, const VkDeviceCreateInfo *pCreateInfo,
const VkAllocationCallbacks *pAllocator, VkDevice *pDevice) {
VkLayerDeviceCreateInfo *chain_info =
get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);
assert(chain_info->u.pLayerInfo);
PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr =
chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr;
PFN_vkGetDeviceProcAddr fpGetDeviceProcAddr =
chain_info->u.pLayerInfo->pfnNextGetDeviceProcAddr;
PFN_vkCreateDevice fpCreateDevice =
(PFN_vkCreateDevice)fpGetInstanceProcAddr(NULL, "vkCreateDevice");
if (fpCreateDevice == NULL) {
return VK_ERROR_INITIALIZATION_FAILED;
}
// Advance the link info for the next element on the chain
chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext;
VkResult result = fpCreateDevice(gpu, pCreateInfo, pAllocator, pDevice);
if (result != VK_SUCCESS) {
return result;
}
layer_data *my_device_data =
get_my_data_ptr(get_dispatch_key(*pDevice), layer_data_map);
// Setup device dispatch table
my_device_data->device_dispatch_table = new VkLayerDispatchTable;
layer_init_device_dispatch_table(
*pDevice, my_device_data->device_dispatch_table, fpGetDeviceProcAddr);
after_device_create(gpu, *pDevice, my_device_data);
return result;
}