dawn-cmake/third_party/BUILD.gn

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# Copyright 2018 The Dawn Authors
#
# 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
#
# http://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.
import("//build_overrides/build.gni")
import("../scripts/dawn_features.gni")
import("../scripts/dawn_overrides_with_defaults.gni")
###############################################################################
# Third-party dependencies needed by dawn_native
###############################################################################
# Empty targets to add the include dirs and list the sources of Khronos headers for header inclusion check.
config("khronos_headers_public") {
include_dirs = [ "khronos" ]
}
config("vulkan_headers_config") {
include_dirs = [ "khronos" ]
}
source_set("vulkan_headers") {
sources = [
"khronos/vulkan/vk_icd.h",
"khronos/vulkan/vk_layer.h",
"khronos/vulkan/vk_platform.h",
"khronos/vulkan/vk_sdk_platform.h",
"khronos/vulkan/vulkan.h",
"khronos/vulkan/vulkan_core.h",
]
if (is_fuchsia) {
sources += [ "khronos/vulkan/vulkan_fuchsia_extras.h" ]
}
public_configs = [ ":vulkan_headers_config" ]
}
source_set("khronos_platform") {
sources = [ "khronos/KHR/khrplatform.h" ]
public_configs = [ ":khronos_headers_public" ]
}
###############################################################################
# Gtest Gmock - Handle building inside and outside of Chromium.
###############################################################################
# When building outside of Chromium we need to define our own targets for GTest
# and GMock. However when compiling inside of Chromium we need to reuse the
# existing targets, both because Chromium has a special harness for swarming
# and because otherwise the "gn check" fails.
if (!build_with_chromium) {
# When we aren't in Chromium we define out own targets based on the location
# of the googletest repo.
googletest_dir = dawn_googletest_dir
config("gtest_config") {
include_dirs = [
"${googletest_dir}/googletest",
"${googletest_dir}/googletest/include",
]
}
static_library("gtest") {
testonly = true
sources = [ "${googletest_dir}/googletest/src/gtest-all.cc" ]
public_configs = [ ":gtest_config" ]
}
config("gmock_config") {
include_dirs = [
"${googletest_dir}/googlemock",
"${googletest_dir}/googlemock/include",
"${googletest_dir}/googletest/include",
]
}
static_library("gmock") {
testonly = true
sources = [ "${googletest_dir}/googlemock/src/gmock-all.cc" ]
public_configs = [ ":gmock_config" ]
}
group("gmock_and_gtest") {
testonly = true
public_deps = [
":gmock",
":gtest",
]
}
} else {
# When we are in Chromium we reuse its targets, and also add some deps that
# are needed to launch the test in swarming mode.
group("gmock_and_gtest") {
testonly = true
public_deps = [
"//base",
"//base/test:test_support",
"//testing/gmock",
"//testing/gtest",
]
}
}
###############################################################################
# GLFW - good enough build targets
###############################################################################
# Only expose GLFW targets on platforms where GLFW is supported: otherwise they
# might get discovered by GN when another target in this file is referenced,
# and GLFW will bbe built as part of "all" builds, causing compilation failures.
if (is_win || (is_linux && !is_chromeos) || is_mac) {
glfw_dir = dawn_glfw_dir
config("glfw_public") {
include_dirs = [ "${glfw_dir}/include" ]
if (is_win) {
defines = [ "_GLFW_WIN32" ]
}
if (is_mac) {
defines = [ "_GLFW_COCOA" ]
}
if (is_linux) {
defines = [ "_GLFW_X11" ]
}
}
static_library("glfw") {
public_configs = [ ":glfw_public" ]
if (dawn_has_build) {
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
}
if (is_win && !is_clang) {
# nonstandard extension, function/data pointer conversion in expression
cflags_c = [ "/wd4152" ]
} else {
cflags_c = [
"-Wno-sign-compare",
"-Wno-missing-field-initializers",
]
}
sources = [
"${glfw_dir}/include/GLFW/glfw3.h",
"${glfw_dir}/include/GLFW/glfw3native.h",
"${glfw_dir}/src/context.c",
"${glfw_dir}/src/egl_context.c",
"${glfw_dir}/src/egl_context.h",
"${glfw_dir}/src/init.c",
"${glfw_dir}/src/input.c",
"${glfw_dir}/src/internal.h",
"${glfw_dir}/src/monitor.c",
"${glfw_dir}/src/osmesa_context.c",
"${glfw_dir}/src/osmesa_context.h",
"${glfw_dir}/src/vulkan.c",
"${glfw_dir}/src/window.c",
]
libs = []
if (is_win) {
sources += [
"${glfw_dir}/src/wgl_context.c",
"${glfw_dir}/src/wgl_context.h",
"${glfw_dir}/src/win32_init.c",
"${glfw_dir}/src/win32_joystick.c",
"${glfw_dir}/src/win32_joystick.h",
"${glfw_dir}/src/win32_monitor.c",
"${glfw_dir}/src/win32_platform.h",
"${glfw_dir}/src/win32_thread.c",
"${glfw_dir}/src/win32_time.c",
"${glfw_dir}/src/win32_window.c",
]
}
if (is_linux || is_mac) {
sources += [
"${glfw_dir}/src/posix_thread.c",
"${glfw_dir}/src/posix_thread.h",
]
}
if (is_linux) {
sources += [
"${glfw_dir}/src/glx_context.c",
"${glfw_dir}/src/glx_context.h",
"${glfw_dir}/src/linux_joystick.c",
"${glfw_dir}/src/linux_joystick.h",
"${glfw_dir}/src/posix_time.c",
"${glfw_dir}/src/posix_time.h",
"${glfw_dir}/src/x11_init.c",
"${glfw_dir}/src/x11_monitor.c",
"${glfw_dir}/src/x11_platform.h",
"${glfw_dir}/src/x11_window.c",
"${glfw_dir}/src/xkb_unicode.c",
"${glfw_dir}/src/xkb_unicode.h",
]
libs += [
"rt",
"dl",
"X11",
"Xcursor",
"Xinerama",
"Xrandr",
]
}
if (is_mac) {
sources += [
"${glfw_dir}/src/cocoa_init.m",
"${glfw_dir}/src/cocoa_joystick.h",
"${glfw_dir}/src/cocoa_joystick.m",
"${glfw_dir}/src/cocoa_monitor.m",
"${glfw_dir}/src/cocoa_platform.h",
"${glfw_dir}/src/cocoa_time.c",
"${glfw_dir}/src/cocoa_window.m",
"${glfw_dir}/src/nsgl_context.h",
"${glfw_dir}/src/nsgl_context.m",
]
libs += [
"Cocoa.framework",
"IOKit.framework",
"CoreFoundation.framework",
"CoreVideo.framework",
]
cflags_objc = [
"-Wno-sign-compare",
"-Wno-unguarded-availability",
"-Wno-objc-multiple-method-names",
]
}
}
}
###############################################################################
# Header-only dependencies for samples
###############################################################################
if (dawn_standalone) {
# GLM
config("glm_public_config") {
include_dirs = [ "glm" ]
}
source_set("glm") {
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
public_configs = [ ":glm_public_config" ]
# GLM is header only but has too many files to list them.
}
}