src/glsl/SConscript

   1 import common
   2
   3 Import('*')
   4
   5 from sys import executable as python_cmd
   6
   7 env = env.Clone()
   8
   9 env.MSVC2013Compat()
  10
  11 env.Prepend(CPPPATH = [
  12     '#include',
  13     '#src',
  14     '#src/mapi',
  15     '#src/mesa',
  16     '#src/gallium/include',
  17     '#src/gallium/auxiliary',
  18     '#src/glsl',
  19     '#src/glsl/nir',
  20     '#src/glsl/glcpp',
  21 ])
  22
  23 env.Prepend(LIBS = [mesautil])
  24
  25 # Make glcpp-parse.h and glsl_parser.h reachable from the include path.
  26 env.Append(CPPPATH = [Dir('.').abspath, Dir('glcpp').abspath])
  27
  28 glcpp_env = env.Clone()
  29 glcpp_env.Append(YACCFLAGS = [
  30     '-d',
  31     '-p', 'glcpp_parser_'
  32 ])
  33
  34 glsl_env = env.Clone()
  35 glsl_env.Append(YACCFLAGS = [
  36     '--defines=%s' % File('glsl_parser.h').abspath,
  37     '-p', '_mesa_glsl_',
  38 ])
  39
  40 # without this line scons will expect "glsl_parser.hpp" instead of
  41 # "glsl_parser.h", causing glsl_parser.cpp to be regenerated every time
  42 glsl_env['YACCHXXFILESUFFIX'] = '.h'
  43
  44 glcpp_lexer = glcpp_env.CFile('glcpp/glcpp-lex.c', 'glcpp/glcpp-lex.l')
  45 glcpp_parser = glcpp_env.CFile('glcpp/glcpp-parse.c', 'glcpp/glcpp-parse.y')
  46 glsl_lexer = glsl_env.CXXFile('glsl_lexer.cpp', 'glsl_lexer.ll')
  47 glsl_parser = glsl_env.CXXFile('glsl_parser.cpp', 'glsl_parser.yy')
  48
  49 # common generated sources
  50 glsl_sources = [
  51     glcpp_lexer,
  52     glcpp_parser[0],
  53     glsl_lexer,
  54     glsl_parser[0],
  55 ]
  56
  57 # parse Makefile.sources
  58 source_lists = env.ParseSourceList('Makefile.sources')
  59
  60 # add non-generated sources
  61 for l in ('LIBGLCPP_FILES', 'LIBGLSL_FILES'):
  62     glsl_sources += source_lists[l]
  63
  64 # add nir/glsl_types.cpp manually, because SCons still doesn't know about NIR.
  65 # XXX: Remove this once we build NIR and NIR_FILES.
  66 glsl_sources += [
  67     'nir/glsl_types.cpp',
  68 ]
  69
  70 if env['msvc']:
  71     env.Prepend(CPPPATH = ['#/src/getopt'])
  72     env.PrependUnique(LIBS = [getopt])
  73
  74 # Copy these files to avoid generation object files into src/mesa/program
  75 env.Prepend(CPPPATH = ['#src/mesa/main'])
  76 env.Command('imports.c', '#src/mesa/main/imports.c', Copy('$TARGET', '$SOURCE'))
  77 # Copy these files to avoid generation object files into src/mesa/program
  78 env.Prepend(CPPPATH = ['#src/mesa/program'])
  79 env.Command('prog_hash_table.c', '#src/mesa/program/prog_hash_table.c', Copy('$TARGET', '$SOURCE'))
  80 env.Command('symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
  81 env.Command('dummy_errors.c', '#src/mesa/program/dummy_errors.c', Copy('$TARGET', '$SOURCE'))
  82
  83 compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES'])
  84
  85 mesa_objs = env.StaticObject([
  86     'imports.c',
  87     'prog_hash_table.c',
  88     'symbol_table.c',
  89     'dummy_errors.c',
  90 ])
  91
  92 compiler_objs += mesa_objs
  93
  94 glsl = env.ConvenienceLibrary(
  95     target = 'glsl',
  96     source = glsl_sources,
  97 )
  98
  99 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
 100 # glsl_parser.h
 101 env.Depends(glsl, glsl_parser)
 102
 103 Export('glsl')
 104
 105 # Skip building these programs as they will cause SCons error "Two environments
 106 # with different actions were specified for the same target"
 107 if env['crosscompile'] or env['embedded']:
 108     Return()
 109
 110 env = env.Clone()
 111
 112 if env['platform'] == 'windows':
 113     env.PrependUnique(LIBS = [
 114         'user32',
 115     ])
 116
 117 env.Prepend(LIBS = [glsl])
 118
 119 glsl_compiler = env.Program(
 120     target = 'glsl_compiler',
 121     source = compiler_objs,
 122 )
 123 env.Alias('glsl_compiler', glsl_compiler)
 124
 125 glcpp = env.Program(
 126     target = 'glcpp/glcpp',
 127     source = ['glcpp/glcpp.c'] + mesa_objs,
 128 )
 129 env.Alias('glcpp', glcpp)