import("//build_overrides/glslang.gni")
-spirv_tools_dir = glslang_spirv_tools_dir
+# 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" ]
+}
-config("glslang_public") {
- include_dirs = [ "." ]
+action("glslang_build_info") {
+ script = "build_info.py"
- defines = [ "ENABLE_HLSL=1" ]
+ src_dir = "."
+ changes_file = "CHANGES.md"
+ template_file = "build_info.h.tmpl"
+ out_file = "${target_gen_dir}/include/glslang/build_info.h"
+
+ inputs = [
+ changes_file,
+ script,
+ template_file,
+ ]
+ outputs = [ out_file ]
+ args = [
+ rebase_path(src_dir, root_build_dir),
+ "-i",
+ rebase_path(template_file, root_build_dir),
+ "-o",
+ rebase_path(out_file, root_build_dir),
+ ]
}
-source_set("glslang_sources") {
- public_configs = [ ":glslang_public" ]
+action("glslang_extension_headers") {
+ script = "gen_extension_headers.py"
+ out_file = "${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 = [
- "OGLCompilersDLL/InitializeDll.cpp",
- "OGLCompilersDLL/InitializeDll.h",
- "SPIRV/GLSL.ext.EXT.h",
- "SPIRV/GLSL.ext.KHR.h",
- "SPIRV/GLSL.std.450.h",
- "SPIRV/GlslangToSpv.cpp",
- "SPIRV/GlslangToSpv.h",
- "SPIRV/InReadableOrder.cpp",
- "SPIRV/Logger.cpp",
- "SPIRV/Logger.h",
- "SPIRV/SPVRemapper.cpp",
- "SPIRV/SPVRemapper.h",
- "SPIRV/SpvBuilder.cpp",
- "SPIRV/SpvBuilder.h",
- "SPIRV/SpvPostProcess.cpp",
- "SPIRV/SpvTools.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/Types.h",
- "glslang/Include/arrays.h",
- "glslang/Include/intermediate.h",
- "glslang/Include/revision.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/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",
- "hlsl/hlslAttributes.cpp",
- "hlsl/hlslAttributes.h",
- "hlsl/hlslGrammar.cpp",
- "hlsl/hlslGrammar.h",
- "hlsl/hlslOpMap.cpp",
- "hlsl/hlslOpMap.h",
- "hlsl/hlslParseHelper.cpp",
- "hlsl/hlslParseHelper.h",
- "hlsl/hlslParseables.cpp",
- "hlsl/hlslParseables.h",
- "hlsl/hlslScanContext.cpp",
- "hlsl/hlslScanContext.h",
- "hlsl/hlslTokenStream.cpp",
- "hlsl/hlslTokenStream.h",
- "hlsl/hlslTokens.h",
+ "glslang/ExtensionHeaders/GL_EXT_shader_realtime_clock.glsl",
]
- defines = [ "ENABLE_OPT=1" ]
+ 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
+}
- if (is_win) {
- sources += [ "glslang/OSDependent/Windows/ossource.cpp" ]
- defines += [ "GLSLANG_OSINCLUDE_WIN32" ]
- } else {
- sources += [ "glslang/OSDependent/Unix/ossource.cpp" ]
- defines += [ "GLSLANG_OSINCLUDE_UNIX" ]
+config("glslang_public") {
+ include_dirs = [ "." ]
+ if (!is_win || is_clang) {
+ cflags = [ "-Wno-conversion" ]
}
+}
- if (is_clang) {
- cflags_cc = [
- "-Wno-extra-semi",
- "-Wno-ignored-qualifiers",
- "-Wno-implicit-fallthrough",
- "-Wno-inconsistent-missing-override",
- "-Wno-sign-compare",
- "-Wno-unused-variable",
- "-Wno-missing-field-initializers",
- "-Wno-newline-eof",
+config("glslang_hlsl") {
+ defines = [ "ENABLE_HLSL=1" ]
+}
+
+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/NonSemanticShaderDebugInfo100.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",
]
- }
- if (is_win && !is_clang) {
- cflags = [
- "/wd4018", # signed/unsigned mismatch
- "/wd4189", # local variable is initialized but not referenced
+
+ # 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",
+ "-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
}
+}
- deps = [
- "${spirv_tools_dir}:spvtools_opt",
- "${spirv_tools_dir}:spvtools_val",
- ]
+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",
- ]
- deps = [
- ":glslang_sources",
+ "glslang/Include/ResourceLimits.h",
]
public_configs = [ ":glslang_public" ]
+
+ configs -= _configs_to_remove
+ configs += _configs_to_add
}
executable("glslang_validator") {
}
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",
- ]
+ sources = [ "StandAlone/spirv-remap.cpp" ]
defines = [ "ENABLE_OPT=1" ]
- deps = [
- ":glslang_sources",
- ]
+ deps = [ ":glslang_sources" ]
+
+ include_dirs = [ "${spirv_tools_dir}/include" ]
+
+ configs -= _configs_to_remove
+ configs += _configs_to_add
}