Home | History | Annotate | Download | only in glsl 
      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-parse.h and glsl_parser.h reachable from the include path.
     18 env.Append(CPPPATH = [Dir('.').abspath, Dir('glcpp').abspath])
     19 
     20 env.Append(YACCFLAGS = '-d -p "glcpp_parser_"')
     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 # without this line scons will expect "glsl_parser.hpp" instead of
     29 # "glsl_parser.h", causing glsl_parser.cpp to be regenerated every time
     30 parser_env['YACCHXXFILESUFFIX'] = '.h'
     31 
     32 glcpp_lexer = env.CFile('glcpp/glcpp-lex.c', 'glcpp/glcpp-lex.l')
     33 glcpp_parser = env.CFile('glcpp/glcpp-parse.c', 'glcpp/glcpp-parse.y')
     34 glsl_lexer = parser_env.CXXFile('glsl_lexer.cpp', 'glsl_lexer.ll')
     35 glsl_parser = parser_env.CXXFile('glsl_parser.cpp', 'glsl_parser.yy')
     36 
     37 # common generated sources
     38 glsl_sources = [
     39     glcpp_lexer,
     40     glcpp_parser[0],
     41     glsl_lexer,
     42     glsl_parser[0],
     43 ] 
     44 
     45 # parse Makefile.sources
     46 source_lists = env.ParseSourceList('Makefile.sources')
     47 
     48 # add non-generated sources
     49 for l in ('LIBGLCPP_FILES', 'LIBGLSL_FILES', 'LIBGLSL_CXX_FILES'):
     50     glsl_sources += source_lists[l]
     51 
     52 if env['msvc']:
     53     env.Prepend(CPPPATH = ['#/src/getopt'])
     54     env.PrependUnique(LIBS = [getopt])
     55 
     56 if env['crosscompile'] and not env['embedded']:
     57     Import('builtin_glsl_function')
     58 else:
     59     # Copy these files to avoid generation object files into src/mesa/program
     60     env.Prepend(CPPPATH = ['#src/mesa/program'])
     61     env.Command('hash_table.c', '#src/mesa/program/hash_table.c', Copy('$TARGET', '$SOURCE'))
     62     env.Command('symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
     63 
     64     compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES'])
     65 
     66     mesa_objs = env.StaticObject([
     67         'hash_table.c',
     68         'symbol_table.c',
     69     ])
     70 
     71     compiler_objs += mesa_objs
     72 
     73     builtin_compiler = env.Program(
     74         target = 'builtin_compiler',
     75         source = compiler_objs + glsl_sources + \
     76             source_lists['BUILTIN_COMPILER_CXX_FILES'],
     77     )
     78 
     79     # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll
     80     # depends on glsl_parser.h
     81     env.Depends(builtin_compiler, glsl_parser)
     82 
     83     builtin_glsl_function = env.CodeGenerate(
     84         target = 'builtin_function.cpp',
     85         script = 'builtins/tools/generate_builtins.py',
     86         source = builtin_compiler,
     87         command = python_cmd + ' $SCRIPT $SOURCE > $TARGET'
     88     )
     89 
     90     env.Depends(builtin_glsl_function, ['builtins/tools/generate_builtins.py', 'builtins/tools/texture_builtins.py'] + Glob('builtins/ir/*'))
     91 
     92     Export('builtin_glsl_function')
     93 
     94     if env['hostonly']:
     95         Return()
     96 
     97 
     98 glsl_sources += builtin_glsl_function
     99 
    100 glsl = env.ConvenienceLibrary(
    101     target = 'glsl',
    102     source = glsl_sources,
    103 )
    104 
    105 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
    106 # glsl_parser.h
    107 env.Depends(glsl, glsl_parser)
    108 
    109 Export('glsl')
    110 
    111 # Skip building these programs as they will cause SCons error "Two environments
    112 # with different actions were specified for the same target"
    113 if env['crosscompile'] or env['embedded']:
    114     Return()
    115 
    116 env = env.Clone()
    117 
    118 if env['platform'] == 'windows':
    119     env.PrependUnique(LIBS = [
    120         'user32',
    121     ])
    122 
    123 env.Prepend(LIBS = [glsl])
    124 
    125 glsl2 = env.Program(
    126     target = 'glsl2',
    127     source = compiler_objs,
    128 )
    129 env.Alias('glsl2', glsl2)
    130 
    131 glcpp = env.Program(
    132     target = 'glcpp/glcpp',
    133     source = ['glcpp/glcpp.c'] + mesa_objs,
    134 )
    135 env.Alias('glcpp', glcpp)
    136