build_tools/third_party/vulkan_extensionlayer/BUILD.overlay

# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

load("@iree_core//build_tools/bazel:template_rule.bzl", "template_rule")

package(default_visibility = ["//visibility:public"])

COMMON_COPTS = [
    "-fno-builtin-memcmp",
    "-fno-strict-aliasing",
    "-fvisibility=hidden",
    "-Wall",
    "-Wextra",
    "-Wno-implicit-fallthrough",
    "-Wno-missing-field-initializers",
    "-Wno-nonnull",
    "-Wno-sign-compare",
    "-Wno-string-conversion",
    "-Wno-unused-const-variable",
    "-Wno-unused-function",
    "-Wno-unused-parameter",
    "-Wno-unused-private-field",
    "-Wpointer-arith",
]

COPTS = COMMON_COPTS + [
    "-std=c++11",
    "-fno-rtti",
]

C_COPTS = COMMON_COPTS + [
    "-std=c99",
    # Require a recent enough POSIX source to get # pthead_condattr_setclock.
    "-D_POSIX_C_SOURCE=200112",
]

LINKOPTS = [
    "-Wl,-Bsymbolic,--exclude-libs,ALL",
    # We ignore the -Wl,--version-script=... option from upstream
]

cc_library(
    name = "hash_table",
    srcs = [
        "layers/hash_table.cpp",
        "layers/hash_table.h",
    ],
    copts = COPTS,
)

cc_binary(
    name = "libVkLayer_khronos_timeline_semaphore.so",
    srcs = [
        "layers/hash_table.h",
        "layers/list.h",
        "layers/timeline_semaphore.c",
        "layers/vk_alloc.h",
        "layers/vk_util.h",
    ],
    copts = C_COPTS,
    linkopts = LINKOPTS,
    linkshared = 1,
    deps = [
        ":hash_table",
        "@iree_vulkan_headers//:vulkan_headers",
    ],
)

# TODO(scotttodd): Fetch VK_VERSION dynamically
#   CMake: `VK_VERSION=1.1.${vk_header_version}`
#          (regex match on vulkan_core.h from VulkanHeaders)
template_rule(
    name = "VkLayer_khronos_timeline_semaphore_json",
    src = "layers/json/VkLayer_khronos_timeline_semaphore.json.in",
    out = "VkLayer_khronos_timeline_semaphore.json",
    substitutions = {
        "@RELATIVE_LAYER_BINARY@": "./libVkLayer_khronos_timeline_semaphore.so",
        "@VK_VERSION@": "1.1.133",
    }
)