diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index 5d8ed7b8..07f4ae69 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -77,6 +77,7 @@ static const struct vkd3d_optional_extension_info optional_device_extensions[] =
     VK_EXTENSION(KHR_SEPARATE_DEPTH_STENCIL_LAYOUTS, KHR_separate_depth_stencil_layouts),
     VK_EXTENSION(KHR_SHADER_INTEGER_DOT_PRODUCT, KHR_shader_integer_dot_product),
     VK_EXTENSION(KHR_FORMAT_FEATURE_FLAGS_2, KHR_format_feature_flags2),
+    VK_EXTENSION(KHR_SHADER_ATOMIC_INT64, KHR_shader_atomic_int64),
     /* EXT extensions */
     VK_EXTENSION(EXT_CALIBRATED_TIMESTAMPS, EXT_calibrated_timestamps),
     VK_EXTENSION(EXT_CONDITIONAL_RENDERING, EXT_conditional_rendering),
@@ -97,6 +98,7 @@ static const struct vkd3d_optional_extension_info optional_device_extensions[] =
     VK_EXTENSION(EXT_EXTENDED_DYNAMIC_STATE, EXT_extended_dynamic_state),
     VK_EXTENSION(EXT_EXTERNAL_MEMORY_HOST, EXT_external_memory_host),
     VK_EXTENSION(EXT_4444_FORMATS, EXT_4444_formats),
+    VK_EXTENSION(EXT_SHADER_IMAGE_ATOMIC_INT64, EXT_shader_image_atomic_int64),
     /* AMD extensions */
     VK_EXTENSION(AMD_BUFFER_MARKER, AMD_buffer_marker),
     VK_EXTENSION(AMD_SHADER_CORE_PROPERTIES, AMD_shader_core_properties),
@@ -1246,6 +1248,20 @@ static void vkd3d_physical_device_info_init(struct vkd3d_physical_device_info *i
         vk_prepend_struct(&info->features2, &info->compute_shader_derivatives_features_nv);
     }
 
+    if (vulkan_info->KHR_shader_atomic_int64)
+    {
+        info->shader_atomic_int64_features.sType =
+                VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ATOMIC_INT64_FEATURES_KHR;
+        vk_prepend_struct(&info->features2, &info->shader_atomic_int64_features);
+    }
+
+    if (vulkan_info->EXT_shader_image_atomic_int64)
+    {
+        info->shader_image_atomic_int64_features.sType =
+                VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_IMAGE_ATOMIC_INT64_FEATURES_EXT;
+        vk_prepend_struct(&info->features2, &info->shader_image_atomic_int64_features);
+    }
+
     /* Core in Vulkan 1.1. */
     info->shader_draw_parameters_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_DRAW_PARAMETERS_FEATURES;
     vk_prepend_struct(&info->features2, &info->shader_draw_parameters_features);
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index 83578854..7e6b4eb8 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -125,6 +125,7 @@ struct vkd3d_vulkan_info
     bool KHR_separate_depth_stencil_layouts;
     bool KHR_shader_integer_dot_product;
     bool KHR_format_feature_flags2;
+    bool KHR_shader_atomic_int64;
     /* EXT device extensions */
     bool EXT_calibrated_timestamps;
     bool EXT_conditional_rendering;
@@ -145,6 +146,7 @@ struct vkd3d_vulkan_info
     bool EXT_extended_dynamic_state;
     bool EXT_external_memory_host;
     bool EXT_4444_formats;
+    bool EXT_shader_image_atomic_int64;
     /* AMD device extensions */
     bool AMD_buffer_marker;
     bool AMD_shader_core_properties;
@@ -2720,6 +2722,8 @@ struct vkd3d_physical_device_info
     VkPhysicalDeviceFragmentShaderBarycentricFeaturesNV barycentric_features_nv;
     VkPhysicalDeviceRayQueryFeaturesKHR ray_query_features;
     VkPhysicalDeviceComputeShaderDerivativesFeaturesNV compute_shader_derivatives_features_nv;
+    VkPhysicalDeviceShaderAtomicInt64FeaturesKHR shader_atomic_int64_features;
+    VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT shader_image_atomic_int64_features;
 
     VkPhysicalDeviceFeatures2 features2;