diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h
index 03225d37..0e011343 100644
--- a/include/vkd3d_shader.h
+++ b/include/vkd3d_shader.h
@@ -1177,6 +1177,8 @@ enum vkd3d_shader_component_type
     VKD3D_SHADER_COMPONENT_FLOAT    = 0x3,
     /** Boolean. */
     VKD3D_SHADER_COMPONENT_BOOL     = 0x4,
+    /** 64-bit IEEE floating-point. */
+    VKD3D_SHADER_COMPONENT_DOUBLE   = 0x5,
 
     VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_COMPONENT_TYPE),
 };
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 6b81feea..65834696 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -1714,6 +1714,8 @@ static uint32_t vkd3d_spirv_get_type_id(struct vkd3d_spirv_builder *builder,
             case VKD3D_SHADER_COMPONENT_BOOL:
                 return vkd3d_spirv_get_op_type_bool(builder);
                 break;
+            case VKD3D_SHADER_COMPONENT_DOUBLE:
+                return vkd3d_spirv_get_op_type_float(builder, 64);
             default:
                 FIXME("Unhandled component type %#x.\n", component_type);
                 return 0;
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 650442c1..033d8f07 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -977,6 +977,8 @@ static inline enum vkd3d_shader_component_type vkd3d_component_type_from_data_ty
             return VKD3D_SHADER_COMPONENT_UINT;
         case VKD3D_DATA_INT:
             return VKD3D_SHADER_COMPONENT_INT;
+        case VKD3D_DATA_DOUBLE:
+            return VKD3D_SHADER_COMPONENT_DOUBLE;
         default:
             FIXME("Unhandled data type %#x.\n", data_type);
             return VKD3D_SHADER_COMPONENT_UINT;
@@ -994,6 +996,8 @@ static inline enum vkd3d_data_type vkd3d_data_type_from_component_type(
             return VKD3D_DATA_UINT;
         case VKD3D_SHADER_COMPONENT_INT:
             return VKD3D_DATA_INT;
+        case VKD3D_SHADER_COMPONENT_DOUBLE:
+            return VKD3D_DATA_DOUBLE;
         default:
             FIXME("Unhandled component type %#x.\n", component_type);
             return VKD3D_DATA_FLOAT;