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 = [
  63     out_file
  64   ]
  65   args = [
  66     rebase_path(src_dir, root_build_dir),
  67     "-i", rebase_path(template_file, root_build_dir),
  68     "-o", rebase_path(out_file, root_build_dir),
  69   ]
  70 }
  71
  72 spirv_tools_dir = glslang_spirv_tools_dir
  73 if (!defined(glslang_angle)) {
  74   glslang_angle = false
  75 }
  76
  77 config("glslang_public") {
  78   include_dirs = [ "." ]
  79 }
  80
  81 config("glslang_hlsl") {
  82   defines = [ "ENABLE_HLSL=1" ]
  83 }
  84
  85 template("glslang_sources_common") {
  86   source_set(target_name) {
  87     public_configs = [ ":glslang_public" ]
  88
  89     if (invoker.enable_hlsl) {
  90       public_configs += [ ":glslang_hlsl" ]
  91     }
  92
  93     sources = [
  94       "OGLCompilersDLL/InitializeDll.cpp",
  95       "OGLCompilersDLL/InitializeDll.h",
  96       "SPIRV/GLSL.ext.AMD.h",
  97       "SPIRV/GLSL.ext.EXT.h",
  98       "SPIRV/GLSL.ext.KHR.h",
  99       "SPIRV/GLSL.ext.NV.h",
 100       "SPIRV/GLSL.std.450.h",
 101       "SPIRV/GlslangToSpv.cpp",
 102       "SPIRV/GlslangToSpv.h",
 103       "SPIRV/InReadableOrder.cpp",
 104       "SPIRV/Logger.cpp",
 105       "SPIRV/Logger.h",
 106       "SPIRV/NonSemanticDebugPrintf.h",
 107       "SPIRV/SPVRemapper.cpp",
 108       "SPIRV/SPVRemapper.h",
 109       "SPIRV/SpvBuilder.cpp",
 110       "SPIRV/SpvBuilder.h",
 111       "SPIRV/SpvPostProcess.cpp",
 112       "SPIRV/SpvTools.cpp",
 113       "SPIRV/SpvTools.h",
 114       "SPIRV/bitutils.h",
 115       "SPIRV/disassemble.cpp",
 116       "SPIRV/disassemble.h",
 117       "SPIRV/doc.cpp",
 118       "SPIRV/doc.h",
 119       "SPIRV/hex_float.h",
 120       "SPIRV/spirv.hpp",
 121       "SPIRV/spvIR.h",
 122       "glslang/GenericCodeGen/CodeGen.cpp",
 123       "glslang/GenericCodeGen/Link.cpp",
 124       "glslang/Include/BaseTypes.h",
 125       "glslang/Include/Common.h",
 126       "glslang/Include/ConstantUnion.h",
 127       "glslang/Include/InfoSink.h",
 128       "glslang/Include/InitializeGlobals.h",
 129       "glslang/Include/PoolAlloc.h",
 130       "glslang/Include/ResourceLimits.h",
 131       "glslang/Include/ShHandle.h",
 132       "glslang/Include/Types.h",
 133       "glslang/Include/arrays.h",
 134       "glslang/Include/intermediate.h",
 135       "glslang/MachineIndependent/Constant.cpp",
 136       "glslang/MachineIndependent/InfoSink.cpp",
 137       "glslang/MachineIndependent/Initialize.cpp",
 138       "glslang/MachineIndependent/Initialize.h",
 139       "glslang/MachineIndependent/IntermTraverse.cpp",
 140       "glslang/MachineIndependent/Intermediate.cpp",
 141       "glslang/MachineIndependent/LiveTraverser.h",
 142       "glslang/MachineIndependent/ParseContextBase.cpp",
 143       "glslang/MachineIndependent/ParseHelper.cpp",
 144       "glslang/MachineIndependent/ParseHelper.h",
 145       "glslang/MachineIndependent/PoolAlloc.cpp",
 146       "glslang/MachineIndependent/RemoveTree.cpp",
 147       "glslang/MachineIndependent/RemoveTree.h",
 148       "glslang/MachineIndependent/Scan.cpp",
 149       "glslang/MachineIndependent/Scan.h",
 150       "glslang/MachineIndependent/ScanContext.h",
 151       "glslang/MachineIndependent/ShaderLang.cpp",
 152       "glslang/MachineIndependent/SymbolTable.cpp",
 153       "glslang/MachineIndependent/SymbolTable.h",
 154       "glslang/MachineIndependent/Versions.cpp",
 155       "glslang/MachineIndependent/Versions.h",
 156       "glslang/MachineIndependent/attribute.cpp",
 157       "glslang/MachineIndependent/attribute.h",
 158       "glslang/MachineIndependent/gl_types.h",
 159       "glslang/MachineIndependent/glslang_tab.cpp",
 160       "glslang/MachineIndependent/glslang_tab.cpp.h",
 161       "glslang/MachineIndependent/intermOut.cpp",
 162       "glslang/MachineIndependent/iomapper.cpp",
 163       "glslang/MachineIndependent/iomapper.h",
 164       "glslang/MachineIndependent/limits.cpp",
 165       "glslang/MachineIndependent/linkValidate.cpp",
 166       "glslang/MachineIndependent/localintermediate.h",
 167       "glslang/MachineIndependent/parseConst.cpp",
 168       "glslang/MachineIndependent/parseVersions.h",
 169       "glslang/MachineIndependent/preprocessor/Pp.cpp",
 170       "glslang/MachineIndependent/preprocessor/PpAtom.cpp",
 171       "glslang/MachineIndependent/preprocessor/PpContext.cpp",
 172       "glslang/MachineIndependent/preprocessor/PpContext.h",
 173       "glslang/MachineIndependent/preprocessor/PpScanner.cpp",
 174       "glslang/MachineIndependent/preprocessor/PpTokens.cpp",
 175       "glslang/MachineIndependent/preprocessor/PpTokens.h",
 176       "glslang/MachineIndependent/propagateNoContraction.cpp",
 177       "glslang/MachineIndependent/propagateNoContraction.h",
 178       "glslang/MachineIndependent/reflection.cpp",
 179       "glslang/MachineIndependent/reflection.h",
 180       "glslang/OSDependent/osinclude.h",
 181       "glslang/Public/ShaderLang.h",
 182     ]
 183
 184     # Workaround gn issue complaining about these not being allowed even though GLSLANG_HLSL is not
 185     # defined.
 186     sources += [
 187       "glslang/HLSL/hlslParseHelper.h",
 188       "glslang/HLSL/hlslParseables.h",
 189       "glslang/HLSL/hlslScanContext.h",
 190       "glslang/HLSL/hlslTokens.h",
 191     ]
 192
 193     if (invoker.enable_hlsl) {
 194       sources += [
 195         "glslang/HLSL/hlslAttributes.cpp",
 196         "glslang/HLSL/hlslAttributes.h",
 197         "glslang/HLSL/hlslGrammar.cpp",
 198         "glslang/HLSL/hlslGrammar.h",
 199         "glslang/HLSL/hlslOpMap.cpp",
 200         "glslang/HLSL/hlslOpMap.h",
 201         "glslang/HLSL/hlslParseHelper.cpp",
 202         "glslang/HLSL/hlslParseables.cpp",
 203         "glslang/HLSL/hlslScanContext.cpp",
 204         "glslang/HLSL/hlslTokenStream.cpp",
 205         "glslang/HLSL/hlslTokenStream.h",
 206       ]
 207     }
 208
 209     defines = []
 210     if (invoker.enable_opt) {
 211       defines += [ "ENABLE_OPT=1" ]
 212     }
 213
 214     if (is_win) {
 215       sources += [ "glslang/OSDependent/Windows/ossource.cpp" ]
 216       defines += [ "GLSLANG_OSINCLUDE_WIN32" ]
 217     } else {
 218       sources += [ "glslang/OSDependent/Unix/ossource.cpp" ]
 219       defines += [ "GLSLANG_OSINCLUDE_UNIX" ]
 220     }
 221
 222     if (is_clang) {
 223       cflags = [
 224         "-Wno-extra-semi",
 225         "-Wno-ignored-qualifiers",
 226         "-Wno-implicit-fallthrough",
 227         "-Wno-inconsistent-missing-override",
 228         "-Wno-sign-compare",
 229         "-Wno-unused-variable",
 230         "-Wno-missing-field-initializers",
 231         "-Wno-newline-eof",
 232       ]
 233     }
 234     if (is_win && !is_clang) {
 235       cflags = [
 236         "/wd4018",  # signed/unsigned mismatch
 237         "/wd4189",  # local variable is initialized but not referenced
 238       ]
 239     }
 240
 241     deps = [ ":glslang_build_info" ]
 242
 243     if (invoker.enable_opt) {
 244       deps += [
 245         ":glslang_build_info",
 246         "${spirv_tools_dir}:spvtools_opt",
 247         "${spirv_tools_dir}:spvtools_val",
 248       ]
 249     }
 250
 251     include_dirs = [ "${target_gen_dir}/include" ]
 252
 253     configs -= _configs_to_remove
 254     configs += _configs_to_add
 255   }
 256 }
 257
 258 glslang_sources_common("glslang_lib_sources") {
 259   enable_opt = !glslang_angle
 260   enable_hlsl = !glslang_angle
 261 }
 262
 263 glslang_sources_common("glslang_sources") {
 264   enable_opt = true
 265   enable_hlsl = true
 266 }
 267
 268 source_set("glslang_default_resource_limits_sources") {
 269   sources = [
 270     "StandAlone/ResourceLimits.cpp",
 271     "StandAlone/ResourceLimits.h",
 272     "glslang/Include/ResourceLimits.h",
 273   ]
 274   public_configs = [ ":glslang_public" ]
 275
 276   configs -= _configs_to_remove
 277   configs += _configs_to_add
 278 }
 279
 280 executable("glslang_validator") {
 281   sources = [
 282     "StandAlone/DirStackFileIncluder.h",
 283     "StandAlone/StandAlone.cpp",
 284   ]
 285   if (!is_win) {
 286     cflags = [ "-Woverflow" ]
 287   }
 288   defines = [ "ENABLE_OPT=1" ]
 289   deps = [
 290     ":glslang_default_resource_limits_sources",
 291     ":glslang_sources",
 292   ]
 293   public_configs = [ ":glslang_hlsl" ]
 294
 295   include_dirs = [ "${target_gen_dir}/include" ]
 296
 297   configs -= _configs_to_remove
 298   configs += _configs_to_add
 299 }
 300
 301 executable("spirv-remap") {
 302   sources = [ "StandAlone/spirv-remap.cpp" ]
 303   defines = [ "ENABLE_OPT=1" ]
 304   deps = [ ":glslang_sources" ]
 305
 306   configs -= _configs_to_remove
 307   configs += _configs_to_add
 308 }