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
34import("//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.
41if (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
49action("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
72spirv_tools_dir = glslang_spirv_tools_dir
73if (!defined(glslang_angle)) {
74  glslang_angle = false
75}
76
77config("glslang_public") {
78  include_dirs = [ "." ]
79  if (!is_win || is_clang) {
80    cflags = [ "-Wno-conversion" ]
81  }
82}
83
84config("glslang_hlsl") {
85  defines = [ "ENABLE_HLSL=1" ]
86}
87
88template("glslang_sources_common") {
89  source_set(target_name) {
90    public_configs = [ ":glslang_public" ]
91
92    if (invoker.enable_hlsl) {
93      public_configs += [ ":glslang_hlsl" ]
94    }
95
96    sources = [
97      "OGLCompilersDLL/InitializeDll.cpp",
98      "OGLCompilersDLL/InitializeDll.h",
99      "SPIRV/GLSL.ext.AMD.h",
100      "SPIRV/GLSL.ext.EXT.h",
101      "SPIRV/GLSL.ext.KHR.h",
102      "SPIRV/GLSL.ext.NV.h",
103      "SPIRV/GLSL.std.450.h",
104      "SPIRV/GlslangToSpv.cpp",
105      "SPIRV/GlslangToSpv.h",
106      "SPIRV/InReadableOrder.cpp",
107      "SPIRV/Logger.cpp",
108      "SPIRV/Logger.h",
109      "SPIRV/NonSemanticDebugPrintf.h",
110      "SPIRV/SPVRemapper.cpp",
111      "SPIRV/SPVRemapper.h",
112      "SPIRV/SpvBuilder.cpp",
113      "SPIRV/SpvBuilder.h",
114      "SPIRV/SpvPostProcess.cpp",
115      "SPIRV/SpvTools.h",
116      "SPIRV/bitutils.h",
117      "SPIRV/disassemble.cpp",
118      "SPIRV/disassemble.h",
119      "SPIRV/doc.cpp",
120      "SPIRV/doc.h",
121      "SPIRV/hex_float.h",
122      "SPIRV/spirv.hpp",
123      "SPIRV/spvIR.h",
124      "glslang/GenericCodeGen/CodeGen.cpp",
125      "glslang/GenericCodeGen/Link.cpp",
126      "glslang/Include/BaseTypes.h",
127      "glslang/Include/Common.h",
128      "glslang/Include/ConstantUnion.h",
129      "glslang/Include/InfoSink.h",
130      "glslang/Include/InitializeGlobals.h",
131      "glslang/Include/PoolAlloc.h",
132      "glslang/Include/ResourceLimits.h",
133      "glslang/Include/ShHandle.h",
134      "glslang/Include/Types.h",
135      "glslang/Include/arrays.h",
136      "glslang/Include/intermediate.h",
137      "glslang/MachineIndependent/Constant.cpp",
138      "glslang/MachineIndependent/InfoSink.cpp",
139      "glslang/MachineIndependent/Initialize.cpp",
140      "glslang/MachineIndependent/Initialize.h",
141      "glslang/MachineIndependent/IntermTraverse.cpp",
142      "glslang/MachineIndependent/Intermediate.cpp",
143      "glslang/MachineIndependent/LiveTraverser.h",
144      "glslang/MachineIndependent/ParseContextBase.cpp",
145      "glslang/MachineIndependent/ParseHelper.cpp",
146      "glslang/MachineIndependent/ParseHelper.h",
147      "glslang/MachineIndependent/PoolAlloc.cpp",
148      "glslang/MachineIndependent/RemoveTree.cpp",
149      "glslang/MachineIndependent/RemoveTree.h",
150      "glslang/MachineIndependent/Scan.cpp",
151      "glslang/MachineIndependent/Scan.h",
152      "glslang/MachineIndependent/ScanContext.h",
153      "glslang/MachineIndependent/ShaderLang.cpp",
154      "glslang/MachineIndependent/SymbolTable.cpp",
155      "glslang/MachineIndependent/SymbolTable.h",
156      "glslang/MachineIndependent/Versions.cpp",
157      "glslang/MachineIndependent/Versions.h",
158      "glslang/MachineIndependent/attribute.cpp",
159      "glslang/MachineIndependent/attribute.h",
160      "glslang/MachineIndependent/gl_types.h",
161      "glslang/MachineIndependent/glslang_tab.cpp",
162      "glslang/MachineIndependent/glslang_tab.cpp.h",
163      "glslang/MachineIndependent/intermOut.cpp",
164      "glslang/MachineIndependent/iomapper.cpp",
165      "glslang/MachineIndependent/iomapper.h",
166      "glslang/MachineIndependent/limits.cpp",
167      "glslang/MachineIndependent/linkValidate.cpp",
168      "glslang/MachineIndependent/localintermediate.h",
169      "glslang/MachineIndependent/parseConst.cpp",
170      "glslang/MachineIndependent/parseVersions.h",
171      "glslang/MachineIndependent/preprocessor/Pp.cpp",
172      "glslang/MachineIndependent/preprocessor/PpAtom.cpp",
173      "glslang/MachineIndependent/preprocessor/PpContext.cpp",
174      "glslang/MachineIndependent/preprocessor/PpContext.h",
175      "glslang/MachineIndependent/preprocessor/PpScanner.cpp",
176      "glslang/MachineIndependent/preprocessor/PpTokens.cpp",
177      "glslang/MachineIndependent/preprocessor/PpTokens.h",
178      "glslang/MachineIndependent/propagateNoContraction.cpp",
179      "glslang/MachineIndependent/propagateNoContraction.h",
180      "glslang/MachineIndependent/reflection.cpp",
181      "glslang/MachineIndependent/reflection.h",
182      "glslang/OSDependent/osinclude.h",
183      "glslang/Public/ShaderLang.h",
184    ]
185
186    # Workaround gn issue complaining about these not being allowed even though GLSLANG_HLSL is not
187    # defined.
188    sources += [
189      "glslang/HLSL/hlslParseHelper.h",
190      "glslang/HLSL/hlslParseables.h",
191      "glslang/HLSL/hlslScanContext.h",
192      "glslang/HLSL/hlslTokens.h",
193    ]
194
195    if (invoker.enable_hlsl) {
196      sources += [
197        "glslang/HLSL/hlslAttributes.cpp",
198        "glslang/HLSL/hlslAttributes.h",
199        "glslang/HLSL/hlslGrammar.cpp",
200        "glslang/HLSL/hlslGrammar.h",
201        "glslang/HLSL/hlslOpMap.cpp",
202        "glslang/HLSL/hlslOpMap.h",
203        "glslang/HLSL/hlslParseHelper.cpp",
204        "glslang/HLSL/hlslParseables.cpp",
205        "glslang/HLSL/hlslScanContext.cpp",
206        "glslang/HLSL/hlslTokenStream.cpp",
207        "glslang/HLSL/hlslTokenStream.h",
208      ]
209    }
210
211    defines = []
212    if (invoker.enable_opt) {
213      sources += [ "SPIRV/SpvTools.cpp" ]
214      defines += [ "ENABLE_OPT=1" ]
215    }
216    if (invoker.is_angle) {
217      defines += [ "GLSLANG_ANGLE" ]
218    }
219
220    if (is_win) {
221      sources += [ "glslang/OSDependent/Windows/ossource.cpp" ]
222      defines += [ "GLSLANG_OSINCLUDE_WIN32" ]
223    } else {
224      sources += [ "glslang/OSDependent/Unix/ossource.cpp" ]
225      defines += [ "GLSLANG_OSINCLUDE_UNIX" ]
226    }
227
228    if (is_clang) {
229      cflags = [
230        "-Wno-extra-semi",
231        "-Wno-ignored-qualifiers",
232        "-Wno-implicit-fallthrough",
233        "-Wno-inconsistent-missing-override",
234        "-Wno-missing-field-initializers",
235        "-Wno-newline-eof",
236        "-Wno-sign-compare",
237        "-Wno-suggest-destructor-override",
238        "-Wno-suggest-override",
239        "-Wno-unused-variable",
240      ]
241    }
242    if (is_win && !is_clang) {
243      cflags = [
244        "/wd4018",  # signed/unsigned mismatch
245        "/wd4189",  # local variable is initialized but not referenced
246      ]
247    }
248
249    include_dirs = [ "${target_gen_dir}/include" ]
250
251    deps = [ ":glslang_build_info" ]
252
253    if (invoker.enable_opt) {
254      deps += [
255        "${spirv_tools_dir}:spvtools_opt",
256        "${spirv_tools_dir}:spvtools_val",
257      ]
258      include_dirs += [ "${spirv_tools_dir}/include" ]
259    }
260
261    configs -= _configs_to_remove
262    configs += _configs_to_add
263  }
264}
265
266glslang_sources_common("glslang_lib_sources") {
267  enable_opt = !glslang_angle
268  enable_hlsl = !glslang_angle
269  is_angle = glslang_angle
270}
271
272glslang_sources_common("glslang_sources") {
273  enable_opt = true
274  enable_hlsl = true
275  is_angle = false
276}
277
278source_set("glslang_default_resource_limits_sources") {
279  sources = [
280    "StandAlone/ResourceLimits.cpp",
281    "StandAlone/ResourceLimits.h",
282    "glslang/Include/ResourceLimits.h",
283  ]
284  public_configs = [ ":glslang_public" ]
285
286  configs -= _configs_to_remove
287  configs += _configs_to_add
288}
289
290executable("glslang_validator") {
291  sources = [
292    "StandAlone/DirStackFileIncluder.h",
293    "StandAlone/StandAlone.cpp",
294  ]
295  if (!is_win) {
296    cflags = [ "-Woverflow" ]
297  }
298  defines = [ "ENABLE_OPT=1" ]
299  deps = [
300    ":glslang_build_info",
301    ":glslang_default_resource_limits_sources",
302    ":glslang_sources",
303  ]
304  public_configs = [ ":glslang_hlsl" ]
305
306  include_dirs = [
307    "${target_gen_dir}/include",
308    "${spirv_tools_dir}/include",
309  ]
310
311  configs -= _configs_to_remove
312  configs += _configs_to_add
313}
314
315executable("spirv-remap") {
316  sources = [ "StandAlone/spirv-remap.cpp" ]
317  defines = [ "ENABLE_OPT=1" ]
318  deps = [ ":glslang_sources" ]
319
320  include_dirs = [ "${spirv_tools_dir}/include" ]
321
322  configs -= _configs_to_remove
323  configs += _configs_to_add
324}
325