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# Copyright (C) 2018 Google, Inc.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import("//build_overrides/glslang.gni")
# Both Chromium and Fuchsia use by default a set of warning errors
# that is far too strict to compile this project. These are also
# typically appended after |cflags|, overriding target-specific
# definitions. To work around this, determine which configs to
# add and remove in order to succesfully build the project.
if (defined(is_fuchsia_tree) && is_fuchsia_tree) {
_configs_to_remove = [ "//build/config:default_warnings" ]
_configs_to_add = []
} else {
_configs_to_remove = [ "//build/config/compiler:chromium_code" ]
_configs_to_add = [ "//build/config/compiler:no_chromium_code" ]
}
action("glslang_build_info") {
script = "build_info.py"
src_dir = "."
changes_file = "CHANGES.md"
template_file = "build_info.h.tmpl"
out_file = "${target_gen_dir}/include/glslang/build_info.h"
inputs = [
changes_file,
script,
template_file,
]
outputs = [ out_file ]
args = [
rebase_path(src_dir, root_build_dir),
"-i",
rebase_path(template_file, root_build_dir),
"-o",
rebase_path(out_file, root_build_dir),
]
}
action("glslang_extension_headers") {
script = "gen_extension_headers.py"
out_file = "${target_gen_dir}/include/glslang/glsl_intrinsic_header.h"
# Fuchsia GN build rules require all GN actions to be hermetic and they
# should correctly and fully state their inputs and outpus (see
# https://fuchsia.dev/fuchsia-src/development/build/hermetic_actions
# for details). All input files of the script should be added to the
# |sources| list.
sources = [
"glslang/ExtensionHeaders/GL_EXT_shader_realtime_clock.glsl",
]
inputs = [
script
]
outputs = [ out_file ]
args = [
"-i",
rebase_path("glslang/ExtensionHeaders", root_build_dir),
"-o",
rebase_path(out_file, root_build_dir),
]
}
spirv_tools_dir = glslang_spirv_tools_dir
if (!defined(glslang_angle)) {
glslang_angle = false
}
config("glslang_public") {
include_dirs = [ "." ]
if (!is_win || is_clang) {
cflags = [ "-Wno-conversion" ]
}
}
config("glslang_hlsl") {
defines = [ "ENABLE_HLSL=1" ]
cflags = [ "-Wno-conversion" ]
}
template("glslang_sources_common") {
source_set(target_name) {
public_configs = [ ":glslang_public" ]
if (invoker.enable_hlsl) {
public_configs += [ ":glslang_hlsl" ]
}
sources = [
"OGLCompilersDLL/InitializeDll.cpp",
"OGLCompilersDLL/InitializeDll.h",
"SPIRV/GLSL.ext.AMD.h",
"SPIRV/GLSL.ext.EXT.h",
"SPIRV/GLSL.ext.KHR.h",
"SPIRV/GLSL.ext.NV.h",
"SPIRV/GLSL.std.450.h",
"SPIRV/GlslangToSpv.cpp",
"SPIRV/GlslangToSpv.h",
"SPIRV/InReadableOrder.cpp",
"SPIRV/Logger.cpp",
"SPIRV/Logger.h",
"SPIRV/NonSemanticDebugPrintf.h",
"SPIRV/SPVRemapper.cpp",
"SPIRV/SPVRemapper.h",
"SPIRV/SpvBuilder.cpp",
"SPIRV/SpvBuilder.h",
"SPIRV/SpvPostProcess.cpp",
"SPIRV/SpvTools.h",
"SPIRV/bitutils.h",
"SPIRV/disassemble.cpp",
"SPIRV/disassemble.h",
"SPIRV/doc.cpp",
"SPIRV/doc.h",
"SPIRV/hex_float.h",
"SPIRV/spirv.hpp",
"SPIRV/spvIR.h",
"glslang/GenericCodeGen/CodeGen.cpp",
"glslang/GenericCodeGen/Link.cpp",
"glslang/Include/BaseTypes.h",
"glslang/Include/Common.h",
"glslang/Include/ConstantUnion.h",
"glslang/Include/InfoSink.h",
"glslang/Include/InitializeGlobals.h",
"glslang/Include/PoolAlloc.h",
"glslang/Include/ResourceLimits.h",
"glslang/Include/ShHandle.h",
"glslang/Include/SpirvIntrinsics.h",
"glslang/Include/Types.h",
"glslang/Include/arrays.h",
"glslang/Include/intermediate.h",
"glslang/MachineIndependent/Constant.cpp",
"glslang/MachineIndependent/InfoSink.cpp",
"glslang/MachineIndependent/Initialize.cpp",
"glslang/MachineIndependent/Initialize.h",
"glslang/MachineIndependent/IntermTraverse.cpp",
"glslang/MachineIndependent/Intermediate.cpp",
"glslang/MachineIndependent/LiveTraverser.h",
"glslang/MachineIndependent/ParseContextBase.cpp",
"glslang/MachineIndependent/ParseHelper.cpp",
"glslang/MachineIndependent/ParseHelper.h",
"glslang/MachineIndependent/PoolAlloc.cpp",
"glslang/MachineIndependent/RemoveTree.cpp",
"glslang/MachineIndependent/RemoveTree.h",
"glslang/MachineIndependent/Scan.cpp",
"glslang/MachineIndependent/Scan.h",
"glslang/MachineIndependent/ScanContext.h",
"glslang/MachineIndependent/ShaderLang.cpp",
"glslang/MachineIndependent/SpirvIntrinsics.cpp",
"glslang/MachineIndependent/SymbolTable.cpp",
"glslang/MachineIndependent/SymbolTable.h",
"glslang/MachineIndependent/Versions.cpp",
"glslang/MachineIndependent/Versions.h",
"glslang/MachineIndependent/attribute.cpp",
"glslang/MachineIndependent/attribute.h",
"glslang/MachineIndependent/gl_types.h",
"glslang/MachineIndependent/glslang_tab.cpp",
"glslang/MachineIndependent/glslang_tab.cpp.h",
"glslang/MachineIndependent/intermOut.cpp",
"glslang/MachineIndependent/iomapper.cpp",
"glslang/MachineIndependent/iomapper.h",
"glslang/MachineIndependent/limits.cpp",
"glslang/MachineIndependent/linkValidate.cpp",
"glslang/MachineIndependent/localintermediate.h",
"glslang/MachineIndependent/parseConst.cpp",
"glslang/MachineIndependent/parseVersions.h",
"glslang/MachineIndependent/preprocessor/Pp.cpp",
"glslang/MachineIndependent/preprocessor/PpAtom.cpp",
"glslang/MachineIndependent/preprocessor/PpContext.cpp",
"glslang/MachineIndependent/preprocessor/PpContext.h",
"glslang/MachineIndependent/preprocessor/PpScanner.cpp",
"glslang/MachineIndependent/preprocessor/PpTokens.cpp",
"glslang/MachineIndependent/preprocessor/PpTokens.h",
"glslang/MachineIndependent/propagateNoContraction.cpp",
"glslang/MachineIndependent/propagateNoContraction.h",
"glslang/MachineIndependent/reflection.cpp",
"glslang/MachineIndependent/reflection.h",
"glslang/OSDependent/osinclude.h",
"glslang/Public/ShaderLang.h",
]
# Workaround gn issue complaining about these not being allowed even though GLSLANG_HLSL is not
# defined.
sources += [
"glslang/HLSL/hlslParseHelper.h",
"glslang/HLSL/hlslParseables.h",
"glslang/HLSL/hlslScanContext.h",
"glslang/HLSL/hlslTokens.h",
]
if (invoker.enable_hlsl) {
sources += [
"glslang/HLSL/hlslAttributes.cpp",
"glslang/HLSL/hlslAttributes.h",
"glslang/HLSL/hlslGrammar.cpp",
"glslang/HLSL/hlslGrammar.h",
"glslang/HLSL/hlslOpMap.cpp",
"glslang/HLSL/hlslOpMap.h",
"glslang/HLSL/hlslParseHelper.cpp",
"glslang/HLSL/hlslParseables.cpp",
"glslang/HLSL/hlslScanContext.cpp",
"glslang/HLSL/hlslTokenStream.cpp",
"glslang/HLSL/hlslTokenStream.h",
]
}
defines = []
if (invoker.enable_opt) {
sources += [ "SPIRV/SpvTools.cpp" ]
defines += [ "ENABLE_OPT=1" ]
}
if (invoker.is_angle) {
defines += [ "GLSLANG_ANGLE" ]
}
if (is_win) {
sources += [ "glslang/OSDependent/Windows/ossource.cpp" ]
defines += [ "GLSLANG_OSINCLUDE_WIN32" ]
} else {
sources += [ "glslang/OSDependent/Unix/ossource.cpp" ]
defines += [ "GLSLANG_OSINCLUDE_UNIX" ]
}
if (is_clang) {
cflags = [
"-Wno-extra-semi",
"-Wno-ignored-qualifiers",
"-Wno-implicit-fallthrough",
"-Wno-inconsistent-missing-override",
# TODO(rosasco): Fuchsia-only flags
"-Wno-unused-variable",
"-Wno-unknown-warning-option",
"-Wno-extra-semi",
"-Wno-missing-field-initializers",
"-Wno-newline-eof",
"-Wno-sign-compare",
"-Wno-suggest-destructor-override",
"-Wno-suggest-override",
"-Wno-unused-variable",
]
}
if (is_win && !is_clang) {
cflags = [
"/wd4018", # signed/unsigned mismatch
"/wd4189", # local variable is initialized but not referenced
]
}
include_dirs = [ "${target_gen_dir}/include" ]
deps = [ ":glslang_build_info" ]
if (invoker.enable_opt) {
deps += [
"${spirv_tools_dir}:spvtools_opt",
"${spirv_tools_dir}:spvtools_val",
]
include_dirs += [ "${spirv_tools_dir}/include" ]
}
configs -= _configs_to_remove
configs += _configs_to_add
}
}
glslang_sources_common("glslang_lib_sources") {
enable_opt = !glslang_angle
enable_hlsl = !glslang_angle
is_angle = glslang_angle
}
glslang_sources_common("glslang_sources") {
enable_opt = true
enable_hlsl = true
is_angle = false
}
source_set("glslang_default_resource_limits_sources") {
sources = [
"StandAlone/ResourceLimits.cpp",
"StandAlone/ResourceLimits.h",
"glslang/Include/ResourceLimits.h",
]
public_configs = [ ":glslang_public" ]
configs -= _configs_to_remove
configs += _configs_to_add
}
executable("glslang_validator") {
sources = [
"StandAlone/DirStackFileIncluder.h",
"StandAlone/StandAlone.cpp",
]
if (!is_win) {
cflags = [ "-Woverflow" ]
}
defines = [ "ENABLE_OPT=1" ]
deps = [
":glslang_build_info",
":glslang_default_resource_limits_sources",
":glslang_sources",
":glslang_extension_headers",
]
public_configs = [ ":glslang_hlsl" ]
include_dirs = [
"${target_gen_dir}/include",
"${spirv_tools_dir}/include",
]
configs -= _configs_to_remove
configs += _configs_to_add
}
executable("spirv-remap") {
sources = [ "StandAlone/spirv-remap.cpp" ]
defines = [ "ENABLE_OPT=1" ]
deps = [ ":glslang_sources" ]
include_dirs = [ "${spirv_tools_dir}/include" ]
configs -= _configs_to_remove
configs += _configs_to_add
}