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   # Fuchsia GN build rules require all GN actions to be hermetic and they
  78   # should correctly and fully state their inputs and outpus (see
  79   # https://fuchsia.dev/fuchsia-src/development/build/hermetic_actions
  80   # for details). All input files of the script should be added to the
  81   # |sources| list.
  82   sources = [
  83     "glslang/ExtensionHeaders/GL_EXT_shader_realtime_clock.glsl",
  84   ]
  85
  86   inputs = [
  87     script
  88   ]
  89   outputs = [ out_file ]
  90   args = [
  91     "-i",
  92     rebase_path("glslang/ExtensionHeaders", root_build_dir),
  93     "-o",
  94     rebase_path(out_file, root_build_dir),
  95   ]
  96 }
  97
  98 spirv_tools_dir = glslang_spirv_tools_dir
  99 if (!defined(glslang_angle)) {
 100   glslang_angle = false
 101 }
 102
 103 config("glslang_public") {
 104   include_dirs = [ "." ]
 105   if (!is_win || is_clang) {
 106     cflags = [ "-Wno-conversion" ]
 107   }
 108 }
 109
 110 config("glslang_hlsl") {
 111   defines = [ "ENABLE_HLSL=1" ]
 112 }
 113
 114 template("glslang_sources_common") {
 115   source_set(target_name) {
 116     public_configs = [ ":glslang_public" ]
 117
 118     if (invoker.enable_hlsl) {
 119       public_configs += [ ":glslang_hlsl" ]
 120     }
 121
 122     sources = [
 123       "OGLCompilersDLL/InitializeDll.cpp",
 124       "OGLCompilersDLL/InitializeDll.h",
 125       "SPIRV/GLSL.ext.AMD.h",
 126       "SPIRV/GLSL.ext.EXT.h",
 127       "SPIRV/GLSL.ext.KHR.h",
 128       "SPIRV/GLSL.ext.NV.h",
 129       "SPIRV/GLSL.std.450.h",
 130       "SPIRV/GlslangToSpv.cpp",
 131       "SPIRV/GlslangToSpv.h",
 132       "SPIRV/InReadableOrder.cpp",
 133       "SPIRV/Logger.cpp",
 134       "SPIRV/Logger.h",
 135       "SPIRV/NonSemanticDebugPrintf.h",
 136       "SPIRV/NonSemanticShaderDebugInfo100.h",
 137       "SPIRV/SPVRemapper.cpp",
 138       "SPIRV/SPVRemapper.h",
 139       "SPIRV/SpvBuilder.cpp",
 140       "SPIRV/SpvBuilder.h",
 141       "SPIRV/SpvPostProcess.cpp",
 142       "SPIRV/SpvTools.h",
 143       "SPIRV/bitutils.h",
 144       "SPIRV/disassemble.cpp",
 145       "SPIRV/disassemble.h",
 146       "SPIRV/doc.cpp",
 147       "SPIRV/doc.h",
 148       "SPIRV/hex_float.h",
 149       "SPIRV/spirv.hpp",
 150       "SPIRV/spvIR.h",
 151       "glslang/GenericCodeGen/CodeGen.cpp",
 152       "glslang/GenericCodeGen/Link.cpp",
 153       "glslang/Include/BaseTypes.h",
 154       "glslang/Include/Common.h",
 155       "glslang/Include/ConstantUnion.h",
 156       "glslang/Include/InfoSink.h",
 157       "glslang/Include/InitializeGlobals.h",
 158       "glslang/Include/PoolAlloc.h",
 159       "glslang/Include/ResourceLimits.h",
 160       "glslang/Include/ShHandle.h",
 161       "glslang/Include/SpirvIntrinsics.h",
 162       "glslang/Include/Types.h",
 163       "glslang/Include/arrays.h",
 164       "glslang/Include/intermediate.h",
 165       "glslang/MachineIndependent/Constant.cpp",
 166       "glslang/MachineIndependent/InfoSink.cpp",
 167       "glslang/MachineIndependent/Initialize.cpp",
 168       "glslang/MachineIndependent/Initialize.h",
 169       "glslang/MachineIndependent/IntermTraverse.cpp",
 170       "glslang/MachineIndependent/Intermediate.cpp",
 171       "glslang/MachineIndependent/LiveTraverser.h",
 172       "glslang/MachineIndependent/ParseContextBase.cpp",
 173       "glslang/MachineIndependent/ParseHelper.cpp",
 174       "glslang/MachineIndependent/ParseHelper.h",
 175       "glslang/MachineIndependent/PoolAlloc.cpp",
 176       "glslang/MachineIndependent/RemoveTree.cpp",
 177       "glslang/MachineIndependent/RemoveTree.h",
 178       "glslang/MachineIndependent/Scan.cpp",
 179       "glslang/MachineIndependent/Scan.h",
 180       "glslang/MachineIndependent/ScanContext.h",
 181       "glslang/MachineIndependent/ShaderLang.cpp",
 182       "glslang/MachineIndependent/SpirvIntrinsics.cpp",
 183       "glslang/MachineIndependent/SymbolTable.cpp",
 184       "glslang/MachineIndependent/SymbolTable.h",
 185       "glslang/MachineIndependent/Versions.cpp",
 186       "glslang/MachineIndependent/Versions.h",
 187       "glslang/MachineIndependent/attribute.cpp",
 188       "glslang/MachineIndependent/attribute.h",
 189       "glslang/MachineIndependent/gl_types.h",
 190       "glslang/MachineIndependent/glslang_tab.cpp",
 191       "glslang/MachineIndependent/glslang_tab.cpp.h",
 192       "glslang/MachineIndependent/intermOut.cpp",
 193       "glslang/MachineIndependent/iomapper.cpp",
 194       "glslang/MachineIndependent/iomapper.h",
 195       "glslang/MachineIndependent/limits.cpp",
 196       "glslang/MachineIndependent/linkValidate.cpp",
 197       "glslang/MachineIndependent/localintermediate.h",
 198       "glslang/MachineIndependent/parseConst.cpp",
 199       "glslang/MachineIndependent/parseVersions.h",
 200       "glslang/MachineIndependent/preprocessor/Pp.cpp",
 201       "glslang/MachineIndependent/preprocessor/PpAtom.cpp",
 202       "glslang/MachineIndependent/preprocessor/PpContext.cpp",
 203       "glslang/MachineIndependent/preprocessor/PpContext.h",
 204       "glslang/MachineIndependent/preprocessor/PpScanner.cpp",
 205       "glslang/MachineIndependent/preprocessor/PpTokens.cpp",
 206       "glslang/MachineIndependent/preprocessor/PpTokens.h",
 207       "glslang/MachineIndependent/propagateNoContraction.cpp",
 208       "glslang/MachineIndependent/propagateNoContraction.h",
 209       "glslang/MachineIndependent/reflection.cpp",
 210       "glslang/MachineIndependent/reflection.h",
 211       "glslang/OSDependent/osinclude.h",
 212       "glslang/Public/ShaderLang.h",
 213     ]
 214
 215     # Workaround gn issue complaining about these not being allowed even though GLSLANG_HLSL is not
 216     # defined.
 217     sources += [
 218       "glslang/HLSL/hlslParseHelper.h",
 219       "glslang/HLSL/hlslParseables.h",
 220       "glslang/HLSL/hlslScanContext.h",
 221       "glslang/HLSL/hlslTokens.h",
 222     ]
 223
 224     if (invoker.enable_hlsl) {
 225       sources += [
 226         "glslang/HLSL/hlslAttributes.cpp",
 227         "glslang/HLSL/hlslAttributes.h",
 228         "glslang/HLSL/hlslGrammar.cpp",
 229         "glslang/HLSL/hlslGrammar.h",
 230         "glslang/HLSL/hlslOpMap.cpp",
 231         "glslang/HLSL/hlslOpMap.h",
 232         "glslang/HLSL/hlslParseHelper.cpp",
 233         "glslang/HLSL/hlslParseables.cpp",
 234         "glslang/HLSL/hlslScanContext.cpp",
 235         "glslang/HLSL/hlslTokenStream.cpp",
 236         "glslang/HLSL/hlslTokenStream.h",
 237       ]
 238     }
 239
 240     defines = []
 241     if (invoker.enable_opt) {
 242       sources += [ "SPIRV/SpvTools.cpp" ]
 243       defines += [ "ENABLE_OPT=1" ]
 244     }
 245     if (invoker.is_angle) {
 246       defines += [ "GLSLANG_ANGLE" ]
 247     }
 248
 249     if (is_win) {
 250       sources += [ "glslang/OSDependent/Windows/ossource.cpp" ]
 251       defines += [ "GLSLANG_OSINCLUDE_WIN32" ]
 252     } else {
 253       sources += [ "glslang/OSDependent/Unix/ossource.cpp" ]
 254       defines += [ "GLSLANG_OSINCLUDE_UNIX" ]
 255     }
 256
 257     if (is_clang) {
 258       cflags = [
 259         "-Wno-extra-semi",
 260         "-Wno-ignored-qualifiers",
 261         "-Wno-implicit-fallthrough",
 262         "-Wno-inconsistent-missing-override",
 263         "-Wno-missing-field-initializers",
 264         "-Wno-newline-eof",
 265         "-Wno-sign-compare",
 266         "-Wno-suggest-destructor-override",
 267         "-Wno-suggest-override",
 268         "-Wno-unused-variable",
 269       ]
 270     }
 271     if (is_win && !is_clang) {
 272       cflags = [
 273         "/wd4018",  # signed/unsigned mismatch
 274         "/wd4189",  # local variable is initialized but not referenced
 275       ]
 276     }
 277
 278     include_dirs = [ "${target_gen_dir}/include" ]
 279
 280     deps = [ ":glslang_build_info" ]
 281
 282     if (invoker.enable_opt) {
 283       deps += [
 284         "${spirv_tools_dir}:spvtools_opt",
 285         "${spirv_tools_dir}:spvtools_val",
 286       ]
 287       include_dirs += [ "${spirv_tools_dir}/include" ]
 288     }
 289
 290     configs -= _configs_to_remove
 291     configs += _configs_to_add
 292   }
 293 }
 294
 295 glslang_sources_common("glslang_lib_sources") {
 296   enable_opt = !glslang_angle
 297   enable_hlsl = !glslang_angle
 298   is_angle = glslang_angle
 299 }
 300
 301 glslang_sources_common("glslang_sources") {
 302   enable_opt = true
 303   enable_hlsl = true
 304   is_angle = false
 305 }
 306
 307 source_set("glslang_default_resource_limits_sources") {
 308   sources = [
 309     "StandAlone/ResourceLimits.cpp",
 310     "StandAlone/ResourceLimits.h",
 311     "glslang/Include/ResourceLimits.h",
 312   ]
 313   public_configs = [ ":glslang_public" ]
 314
 315   configs -= _configs_to_remove
 316   configs += _configs_to_add
 317 }
 318
 319 executable("glslang_validator") {
 320   sources = [
 321     "StandAlone/DirStackFileIncluder.h",
 322     "StandAlone/StandAlone.cpp",
 323   ]
 324   if (!is_win) {
 325     cflags = [ "-Woverflow" ]
 326   }
 327   defines = [ "ENABLE_OPT=1" ]
 328   deps = [
 329     ":glslang_build_info",
 330     ":glslang_default_resource_limits_sources",
 331     ":glslang_sources",
 332     ":glslang_extension_headers",
 333   ]
 334   public_configs = [ ":glslang_hlsl" ]
 335
 336   include_dirs = [
 337     "${target_gen_dir}/include",
 338     "${spirv_tools_dir}/include",
 339   ]
 340
 341   configs -= _configs_to_remove
 342   configs += _configs_to_add
 343 }
 344
 345 executable("spirv-remap") {
 346   sources = [ "StandAlone/spirv-remap.cpp" ]
 347   defines = [ "ENABLE_OPT=1" ]
 348   deps = [ ":glslang_sources" ]
 349
 350   include_dirs = [ "${spirv_tools_dir}/include" ]
 351
 352   configs -= _configs_to_remove
 353   configs += _configs_to_add
 354 }