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.Prepend(CPPPATH = [
  10     '#include',
  11     '#src/mapi',
  12     '#src/mesa',
  13     '#src/glsl',
  14     '#src/glsl/glcpp',
  15 ])
  16
  17 # Make glcpp/glcpp-parse.h and glsl_parser.h reacheable from the include path
  18 env.Append(CPPPATH = [Dir('.').abspath])
  19
  20 env.Append(YACCFLAGS = '-d')
  21
  22 parser_env = env.Clone()
  23 parser_env.Append(YACCFLAGS = [
  24     '--defines=%s' % File('glsl_parser.h').abspath,
  25     '-p', '_mesa_glsl_',
  26 ])
  27
  28 glcpp_lexer = env.CFile('glcpp/glcpp-lex.c', 'glcpp/glcpp-lex.l')
  29 glcpp_parser = env.CFile('glcpp/glcpp-parse.c', 'glcpp/glcpp-parse.y')
  30 glsl_lexer = parser_env.CXXFile('glsl_lexer.cpp', 'glsl_lexer.ll')
  31 glsl_parser = parser_env.CXXFile('glsl_parser.cpp', 'glsl_parser.yy')
  32
  33 # common generated sources
  34 glsl_sources = [
  35     glcpp_lexer,
  36     glcpp_parser[0],
  37     glsl_lexer,
  38     glsl_parser[0],
  39 ]
  40
  41 # parse Makefile.sources
  42 source_lists = env.ParseSourceList('Makefile.sources')
  43
  44 # add non-generated sources
  45 for l in ('LIBGLCPP_SOURCES', 'LIBGLSL_SOURCES', 'LIBGLSL_CXX_SOURCES'):
  46     glsl_sources += source_lists[l]
  47
  48 if env['msvc']:
  49     env.Prepend(CPPPATH = ['#/src/getopt'])
  50     env.PrependUnique(LIBS = [getopt])
  51
  52 if env['crosscompile'] and not env['embedded']:
  53     Import('builtin_glsl_function')
  54 else:
  55     # Copy these files to avoid generation object files into src/mesa/program
  56     env.Prepend(CPPPATH = ['#src/mesa/program'])
  57     env.Command('hash_table.c', '#src/mesa/program/hash_table.c', Copy('$TARGET', '$SOURCE'))
  58     env.Command('symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
  59
  60     compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_SOURCES'])
  61
  62     mesa_objs = env.StaticObject([
  63         'hash_table.c',
  64         'symbol_table.c',
  65     ])
  66
  67     compiler_objs += mesa_objs
  68
  69     builtin_compiler = env.Program(
  70         target = 'builtin_compiler',
  71         source = compiler_objs + glsl_sources + \
  72             source_lists['BUILTIN_COMPILER_CXX_SOURCES'],
  73     )
  74
  75     # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll
  76     # depends on glsl_parser.h
  77     env.Depends(builtin_compiler, glsl_parser)
  78
  79     builtin_glsl_function = env.CodeGenerate(
  80         target = 'builtin_function.cpp',
  81         script = 'builtins/tools/generate_builtins.py',
  82         source = builtin_compiler,
  83         command = python_cmd + ' $SCRIPT $SOURCE > $TARGET'
  84     )
  85
  86     env.Depends(builtin_glsl_function, ['builtins/tools/generate_builtins.py', 'builtins/tools/texture_builtins.py'] + Glob('builtins/ir/*'))
  87
  88     Export('builtin_glsl_function')
  89
  90     if env['hostonly']:
  91         Return()
  92
  93
  94 glsl_sources += builtin_glsl_function
  95
  96 glsl = env.ConvenienceLibrary(
  97     target = 'glsl',
  98     source = glsl_sources,
  99 )
 100
 101 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
 102 # glsl_parser.h
 103 env.Depends(glsl, glsl_parser)
 104
 105 Export('glsl')
 106
 107 # Skip building these programs as they will cause SCons error "Two environments
 108 # with different actions were specified for the same target"
 109 if env['crosscompile'] or env['embedded']:
 110     Return()
 111
 112 env = env.Clone()
 113
 114 if env['platform'] == 'windows':
 115     env.PrependUnique(LIBS = [
 116         'user32',
 117     ])
 118
 119 env.Prepend(LIBS = [glsl])
 120
 121 glsl2 = env.Program(
 122     target = 'glsl2',
 123     source = compiler_objs,
 124 )
 125 env.Alias('glsl2', glsl2)
 126
 127 glcpp = env.Program(
 128     target = 'glcpp/glcpp',
 129     source = ['glcpp/glcpp.c'] + mesa_objs,
 130 )
 131 env.Alias('glcpp', glcpp)