BUILD.gn

   1 # Copyright (C) 2018 Google, Inc.
   2 #
   3 # All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions
   7 # are met:
   8 #
   9 #    Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 #
  12 #    Redistributions in binary form must reproduce the above
  13 #    copyright notice, this list of conditions and the following
  14 #    disclaimer in the documentation and/or other materials provided
  15 #    with the distribution.
  16 #
  17 #    Neither the name of Google Inc. nor the names of its
  18 #    contributors may be used to endorse or promote products derived
  19 #    from this software without specific prior written permission.
  20 #
  21 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25 # COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32 # POSSIBILITY OF SUCH DAMAGE.
  33
  34 import("//build_overrides/glslang.gni")
  35
  36 # Both Chromium and Fuchsia use by default a set of warning errors
  37 # that is far too strict to compile this project. These are also
  38 # typically appended after |cflags|, overriding target-specific
  39 # definitions. To work around this, determine which configs to
  40 # add and remove in order to succesfully build the project.
  41 if (defined(is_fuchsia_tree) && is_fuchsia_tree) {
  42   _configs_to_remove = [ "//build/config:default_warnings" ]
  43   _configs_to_add = []
  44 } else {
  45   _configs_to_remove = [ "//build/config/compiler:chromium_code" ]
  46   _configs_to_add = [ "//build/config/compiler:no_chromium_code" ]
  47 }
  48
  49 action("glslang_build_info") {
  50   script = "build_info.py"
  51
  52   src_dir = "."
  53   changes_file = "CHANGES.md"
  54   template_file = "build_info.h.tmpl"
  55   out_file = "${target_gen_dir}/include/glslang/build_info.h"
  56
  57   inputs = [
  58     changes_file,
  59     script,
  60     template_file,
  61   ]
  62   outputs = [ out_file ]
  63   args = [
  64     rebase_path(src_dir, root_build_dir),
  65     "-i",
  66     rebase_path(template_file, root_build_dir),
  67     "-o",
  68     rebase_path(out_file, root_build_dir),
  69   ]
  70 }
  71
  72 action("glslang_extension_headers") {
  73   script = "gen_extension_headers.py"
  74
  75   out_file = "${target_gen_dir}/include/glslang/glsl_intrinsic_header.h"
  76
  77   inputs = [
  78     script
  79   ]
  80   outputs = [ out_file ]
  81   args = [
  82     "-i",
  83     rebase_path("glslang/ExtensionHeaders", root_build_dir),
  84     "-o",
  85     rebase_path(out_file, root_build_dir),
  86   ]
  87 }
  88
  89 spirv_tools_dir = glslang_spirv_tools_dir
  90 if (!defined(glslang_angle)) {
  91   glslang_angle = false
  92 }
  93
  94 config("glslang_public") {
  95   include_dirs = [ "." ]
  96   if (!is_win || is_clang) {
  97     cflags = [ "-Wno-conversion" ]
  98   }
  99 }
 100
 101 config("glslang_hlsl") {
 102   defines = [ "ENABLE_HLSL=1" ]
 103 }
 104
 105 template("glslang_sources_common") {
 106   source_set(target_name) {
 107     public_configs = [ ":glslang_public" ]
 108
 109     if (invoker.enable_hlsl) {
 110       public_configs += [ ":glslang_hlsl" ]
 111     }
 112
 113     sources = [
 114       "OGLCompilersDLL/InitializeDll.cpp",
 115       "OGLCompilersDLL/InitializeDll.h",
 116       "SPIRV/GLSL.ext.AMD.h",
 117       "SPIRV/GLSL.ext.EXT.h",
 118       "SPIRV/GLSL.ext.KHR.h",
 119       "SPIRV/GLSL.ext.NV.h",
 120       "SPIRV/GLSL.std.450.h",
 121       "SPIRV/GlslangToSpv.cpp",
 122       "SPIRV/GlslangToSpv.h",
 123       "SPIRV/InReadableOrder.cpp",
 124       "SPIRV/Logger.cpp",
 125       "SPIRV/Logger.h",
 126       "SPIRV/NonSemanticDebugPrintf.h",
 127       "SPIRV/SPVRemapper.cpp",
 128       "SPIRV/SPVRemapper.h",
 129       "SPIRV/SpvBuilder.cpp",
 130       "SPIRV/SpvBuilder.h",
 131       "SPIRV/SpvPostProcess.cpp",
 132       "SPIRV/SpvTools.h",
 133       "SPIRV/bitutils.h",
 134       "SPIRV/disassemble.cpp",
 135       "SPIRV/disassemble.h",
 136       "SPIRV/doc.cpp",
 137       "SPIRV/doc.h",
 138       "SPIRV/hex_float.h",
 139       "SPIRV/spirv.hpp",
 140       "SPIRV/spvIR.h",
 141       "glslang/GenericCodeGen/CodeGen.cpp",
 142       "glslang/GenericCodeGen/Link.cpp",
 143       "glslang/Include/BaseTypes.h",
 144       "glslang/Include/Common.h",
 145       "glslang/Include/ConstantUnion.h",
 146       "glslang/Include/InfoSink.h",
 147       "glslang/Include/InitializeGlobals.h",
 148       "glslang/Include/PoolAlloc.h",
 149       "glslang/Include/ResourceLimits.h",
 150       "glslang/Include/ShHandle.h",
 151       "glslang/Include/SpirvIntrinsics.h",
 152       "glslang/Include/Types.h",
 153       "glslang/Include/arrays.h",
 154       "glslang/Include/intermediate.h",
 155       "glslang/MachineIndependent/Constant.cpp",
 156       "glslang/MachineIndependent/InfoSink.cpp",
 157       "glslang/MachineIndependent/Initialize.cpp",
 158       "glslang/MachineIndependent/Initialize.h",
 159       "glslang/MachineIndependent/IntermTraverse.cpp",
 160       "glslang/MachineIndependent/Intermediate.cpp",
 161       "glslang/MachineIndependent/LiveTraverser.h",
 162       "glslang/MachineIndependent/ParseContextBase.cpp",
 163       "glslang/MachineIndependent/ParseHelper.cpp",
 164       "glslang/MachineIndependent/ParseHelper.h",
 165       "glslang/MachineIndependent/PoolAlloc.cpp",
 166       "glslang/MachineIndependent/RemoveTree.cpp",
 167       "glslang/MachineIndependent/RemoveTree.h",
 168       "glslang/MachineIndependent/Scan.cpp",
 169       "glslang/MachineIndependent/Scan.h",
 170       "glslang/MachineIndependent/ScanContext.h",
 171       "glslang/MachineIndependent/ShaderLang.cpp",
 172       "glslang/MachineIndependent/SpirvIntrinsics.cpp",
 173       "glslang/MachineIndependent/SymbolTable.cpp",
 174       "glslang/MachineIndependent/SymbolTable.h",
 175       "glslang/MachineIndependent/Versions.cpp",
 176       "glslang/MachineIndependent/Versions.h",
 177       "glslang/MachineIndependent/attribute.cpp",
 178       "glslang/MachineIndependent/attribute.h",
 179       "glslang/MachineIndependent/gl_types.h",
 180       "glslang/MachineIndependent/glslang_tab.cpp",
 181       "glslang/MachineIndependent/glslang_tab.cpp.h",
 182       "glslang/MachineIndependent/intermOut.cpp",
 183       "glslang/MachineIndependent/iomapper.cpp",
 184       "glslang/MachineIndependent/iomapper.h",
 185       "glslang/MachineIndependent/limits.cpp",
 186       "glslang/MachineIndependent/linkValidate.cpp",
 187       "glslang/MachineIndependent/localintermediate.h",
 188       "glslang/MachineIndependent/parseConst.cpp",
 189       "glslang/MachineIndependent/parseVersions.h",
 190       "glslang/MachineIndependent/preprocessor/Pp.cpp",
 191       "glslang/MachineIndependent/preprocessor/PpAtom.cpp",
 192       "glslang/MachineIndependent/preprocessor/PpContext.cpp",
 193       "glslang/MachineIndependent/preprocessor/PpContext.h",
 194       "glslang/MachineIndependent/preprocessor/PpScanner.cpp",
 195       "glslang/MachineIndependent/preprocessor/PpTokens.cpp",
 196       "glslang/MachineIndependent/preprocessor/PpTokens.h",
 197       "glslang/MachineIndependent/propagateNoContraction.cpp",
 198       "glslang/MachineIndependent/propagateNoContraction.h",
 199       "glslang/MachineIndependent/reflection.cpp",
 200       "glslang/MachineIndependent/reflection.h",
 201       "glslang/OSDependent/osinclude.h",
 202       "glslang/Public/ShaderLang.h",
 203     ]
 204
 205     # Workaround gn issue complaining about these not being allowed even though GLSLANG_HLSL is not
 206     # defined.
 207     sources += [
 208       "glslang/HLSL/hlslParseHelper.h",
 209       "glslang/HLSL/hlslParseables.h",
 210       "glslang/HLSL/hlslScanContext.h",
 211       "glslang/HLSL/hlslTokens.h",
 212     ]
 213
 214     if (invoker.enable_hlsl) {
 215       sources += [
 216         "glslang/HLSL/hlslAttributes.cpp",
 217         "glslang/HLSL/hlslAttributes.h",
 218         "glslang/HLSL/hlslGrammar.cpp",
 219         "glslang/HLSL/hlslGrammar.h",
 220         "glslang/HLSL/hlslOpMap.cpp",
 221         "glslang/HLSL/hlslOpMap.h",
 222         "glslang/HLSL/hlslParseHelper.cpp",
 223         "glslang/HLSL/hlslParseables.cpp",
 224         "glslang/HLSL/hlslScanContext.cpp",
 225         "glslang/HLSL/hlslTokenStream.cpp",
 226         "glslang/HLSL/hlslTokenStream.h",
 227       ]
 228     }
 229
 230     defines = []
 231     if (invoker.enable_opt) {
 232       sources += [ "SPIRV/SpvTools.cpp" ]
 233       defines += [ "ENABLE_OPT=1" ]
 234     }
 235     if (invoker.is_angle) {
 236       defines += [ "GLSLANG_ANGLE" ]
 237     }
 238
 239     if (is_win) {
 240       sources += [ "glslang/OSDependent/Windows/ossource.cpp" ]
 241       defines += [ "GLSLANG_OSINCLUDE_WIN32" ]
 242     } else {
 243       sources += [ "glslang/OSDependent/Unix/ossource.cpp" ]
 244       defines += [ "GLSLANG_OSINCLUDE_UNIX" ]
 245     }
 246
 247     if (is_clang) {
 248       cflags = [
 249         "-Wno-extra-semi",
 250         "-Wno-ignored-qualifiers",
 251         "-Wno-implicit-fallthrough",
 252         "-Wno-inconsistent-missing-override",
 253         "-Wno-missing-field-initializers",
 254         "-Wno-newline-eof",
 255         "-Wno-sign-compare",
 256         "-Wno-suggest-destructor-override",
 257         "-Wno-suggest-override",
 258         "-Wno-unused-variable",
 259       ]
 260     }
 261     if (is_win && !is_clang) {
 262       cflags = [
 263         "/wd4018",  # signed/unsigned mismatch
 264         "/wd4189",  # local variable is initialized but not referenced
 265       ]
 266     }
 267
 268     include_dirs = [ "${target_gen_dir}/include" ]
 269
 270     deps = [ ":glslang_build_info" ]
 271
 272     if (invoker.enable_opt) {
 273       deps += [
 274         "${spirv_tools_dir}:spvtools_opt",
 275         "${spirv_tools_dir}:spvtools_val",
 276       ]
 277       include_dirs += [ "${spirv_tools_dir}/include" ]
 278     }
 279
 280     configs -= _configs_to_remove
 281     configs += _configs_to_add
 282   }
 283 }
 284
 285 glslang_sources_common("glslang_lib_sources") {
 286   enable_opt = !glslang_angle
 287   enable_hlsl = !glslang_angle
 288   is_angle = glslang_angle
 289 }
 290
 291 glslang_sources_common("glslang_sources") {
 292   enable_opt = true
 293   enable_hlsl = true
 294   is_angle = false
 295 }
 296
 297 source_set("glslang_default_resource_limits_sources") {
 298   sources = [
 299     "StandAlone/ResourceLimits.cpp",
 300     "StandAlone/ResourceLimits.h",
 301     "glslang/Include/ResourceLimits.h",
 302   ]
 303   public_configs = [ ":glslang_public" ]
 304
 305   configs -= _configs_to_remove
 306   configs += _configs_to_add
 307 }
 308
 309 executable("glslang_validator") {
 310   sources = [
 311     "StandAlone/DirStackFileIncluder.h",
 312     "StandAlone/StandAlone.cpp",
 313   ]
 314   if (!is_win) {
 315     cflags = [ "-Woverflow" ]
 316   }
 317   defines = [ "ENABLE_OPT=1" ]
 318   deps = [
 319     ":glslang_build_info",
 320     ":glslang_default_resource_limits_sources",
 321     ":glslang_sources",
 322     ":glslang_extension_headers",
 323   ]
 324   public_configs = [ ":glslang_hlsl" ]
 325
 326   include_dirs = [
 327     "${target_gen_dir}/include",
 328     "${spirv_tools_dir}/include",
 329   ]
 330
 331   configs -= _configs_to_remove
 332   configs += _configs_to_add
 333 }
 334
 335 executable("spirv-remap") {
 336   sources = [ "StandAlone/spirv-remap.cpp" ]
 337   defines = [ "ENABLE_OPT=1" ]
 338   deps = [ ":glslang_sources" ]
 339
 340   include_dirs = [ "${spirv_tools_dir}/include" ]
 341
 342   configs -= _configs_to_remove
 343   configs += _configs_to_add
 344 }