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# Copyright (C) 2020 The Khronos Group 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 The Khronos Group 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.
package(
default_visibility = ["//visibility:public"],
)
# Description:
#
# Khronos reference front-end for GLSL and ESSL, and sample SPIR-V generator.
licenses(["notice"])
exports_files(["LICENSE"])
# Build information generation script
py_binary(
name = "build_info",
srcs = ["build_info.py"],
)
py_binary(
name = "gen_extension_headers",
srcs = ["gen_extension_headers.py"],
)
genrule(
name = "gen_build_info_h",
srcs = ["CHANGES.md", "build_info.h.tmpl"],
outs = ["glslang/build_info.h"],
cmd_bash = "$(location build_info) $$(dirname $(location CHANGES.md)) -i $(location build_info.h.tmpl) -o $(location glslang/build_info.h)",
cmd_bat = "for %F in ($(location CHANGES.md)) do $(location build_info) %~dpF -i $(location build_info.h.tmpl) -o $(location glslang/build_info.h)",
tools = [":build_info"],
)
genrule(
name = "gen_extension_headers_h",
srcs = ["glslang/ExtensionHeaders", "gen_extension_headers.py"],
outs = ["glslang/glsl_intrinsic_header.h"],
cmd_bash = "$(location gen_extension_headers) -i $(location glslang/ExtensionHeaders) -o $(location glslang/glsl_intrinsic_header.h)",
tools = [":gen_extension_headers"],
)
COMMON_COPTS = select({
"@bazel_tools//src/conditions:windows": [""],
"//conditions:default": [
"-Wall",
"-Wuninitialized",
"-Wunused",
"-Wunused-local-typedefs",
"-Wunused-parameter",
"-Wunused-value",
"-Wunused-variable",
"-Wno-reorder",
"-std=c++11",
"-fvisibility=hidden",
"-fvisibility-inlines-hidden",
"-fno-exceptions",
"-fno-rtti",
],
})
cc_library(
name = "glslang",
srcs = glob(
[
"glslang/GenericCodeGen/*.cpp",
"glslang/HLSL/*.cpp",
"glslang/MachineIndependent/*.cpp",
"glslang/MachineIndependent/preprocessor/*.cpp",
],
exclude = [
"glslang/HLSL/pch.h",
"glslang/MachineIndependent/pch.h",
],
) + [
"OGLCompilersDLL/InitializeDll.cpp",
] + select({
"@bazel_tools//src/conditions:windows":
["glslang/OSDependent/Windows/ossource.cpp"],
"//conditions:default":
["glslang/OSDependent/Unix/ossource.cpp"],
}),
hdrs = glob([
"glslang/HLSL/*.h",
"glslang/Include/*.h",
"glslang/MachineIndependent/*.h",
"glslang/MachineIndependent/preprocessor/*.h",
]) + [
"OGLCompilersDLL/InitializeDll.h",
"StandAlone/DirStackFileIncluder.h",
"glslang/OSDependent/osinclude.h",
"glslang/Public/ShaderLang.h",
":gen_build_info_h",
],
copts = COMMON_COPTS,
defines = [
"AMD_EXTENSIONS",
"ENABLE_HLSL=0",
"ENABLE_OPT=0",
"NV_EXTENSIONS",
],
linkopts = select({
"@bazel_tools//src/conditions:windows": [""],
"//conditions:default": ["-lm", "-lpthread"],
}),
linkstatic = 1,
)
genrule(
name = "export_spirv_headers",
srcs = [
"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/NonSemanticDebugPrintf.h",
"SPIRV/spirv.hpp",
],
outs = [
"include/SPIRV/GLSL.ext.AMD.h",
"include/SPIRV/GLSL.ext.EXT.h",
"include/SPIRV/GLSL.ext.KHR.h",
"include/SPIRV/GLSL.ext.NV.h",
"include/SPIRV/GLSL.std.450.h",
"include/SPIRV/NonSemanticDebugPrintf.h",
"include/SPIRV/spirv.hpp",
],
cmd_bash = "mkdir -p $(@D)/include/SPIRV && cp $(SRCS) $(@D)/include/SPIRV/",
cmd_bat = "(if not exist $(@D)\\include\\SPIRV mkdir $(@D)\\include\\SPIRV) && (for %S in ($(SRCS)) do @xcopy /q %S $(@D)\\include\\SPIRV\\ >NUL)",
)
cc_library(
name = "SPIRV_headers",
hdrs = [":export_spirv_headers"],
copts = COMMON_COPTS,
includes = [
"include",
"include/SPIRV",
],
linkstatic = 1,
)
cc_library(
name = "SPIRV",
srcs = glob(
["SPIRV/*.cpp"],
exclude = [
"SPIRV/SpvTools.cpp",
],
),
hdrs = [
"SPIRV/GlslangToSpv.h",
"SPIRV/Logger.h",
"SPIRV/SPVRemapper.h",
"SPIRV/SpvBuilder.h",
"SPIRV/SpvTools.h",
"SPIRV/bitutils.h",
"SPIRV/disassemble.h",
"SPIRV/doc.h",
"SPIRV/hex_float.h",
"SPIRV/spvIR.h",
],
copts = COMMON_COPTS,
includes = ["SPIRV"],
linkopts = select({
"@bazel_tools//src/conditions:windows": [""],
"//conditions:default": ["-lm"],
}),
linkstatic = 1,
deps = [
":SPIRV_headers",
":glslang",
],
)
cc_library(
name = "glslang-default-resource-limits",
srcs = ["StandAlone/ResourceLimits.cpp"],
hdrs = ["StandAlone/ResourceLimits.h"],
copts = COMMON_COPTS,
linkstatic = 1,
deps = [":glslang"],
)
cc_binary(
name = "glslangValidator",
srcs = [
"StandAlone/StandAlone.cpp",
"StandAlone/Worklist.h",
":glslang/glsl_intrinsic_header.h"
],
copts = COMMON_COPTS,
deps = [
":SPIRV",
":glslang",
":glslang-default-resource-limits",
],
)
cc_binary(
name = "spirv-remap",
srcs = ["StandAlone/spirv-remap.cpp"],
copts = COMMON_COPTS,
deps = [
":SPIRV",
":glslang",
":glslang-default-resource-limits",
],
)
filegroup(
name = "test_files",
srcs = glob(
["Test/**"],
exclude = [
"Test/bump",
"Test/glslangValidator",
"Test/runtests",
],
),
)
cc_library(
name = "glslang_test_lib",
testonly = 1,
srcs = [
"gtests/HexFloat.cpp",
"gtests/Initializer.h",
"gtests/Settings.cpp",
"gtests/Settings.h",
"gtests/TestFixture.cpp",
"gtests/TestFixture.h",
"gtests/main.cpp",
],
copts = COMMON_COPTS,
data = [":test_files"],
defines = select({
# Unfortunately we can't use $(location) in cc_library at the moment.
# See https://github.com/bazelbuild/bazel/issues/1023
# So we'll specify the path manually.
"@bazel_tools//src/conditions:windows":
["GLSLANG_TEST_DIRECTORY='\"../../../../../Test\"'"],
"//conditions:default":
["GLSLANG_TEST_DIRECTORY='\"Test\"'"],
}),
linkstatic = 1,
deps = [
":SPIRV",
":glslang",
":glslang-default-resource-limits",
"@com_google_googletest//:gtest",
],
)
GLSLANG_TESTS = glob(
["gtests/*.FromFile.cpp"],
# Since we are not building the SPIRV-Tools dependency, the following tests
# cannot be performed.
exclude = [
"gtests/Hlsl.FromFile.cpp",
"gtests/Spv.FromFile.cpp",
],
)
[cc_test(
name = test_file.replace("gtests/", "").replace(".FromFile.cpp", "") + "_test",
srcs = [test_file],
copts = COMMON_COPTS,
data = [
":test_files",
],
deps = [
":SPIRV",
":glslang",
":glslang_test_lib",
],
) for test_file in GLSLANG_TESTS]