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     'nir/shader_enums.c',
  69 ]
  70
  71 if env['msvc']:
  72     env.Prepend(CPPPATH = ['#/src/getopt'])
  73     env.PrependUnique(LIBS = [getopt])
  74
  75 # Copy these files to avoid generation object files into src/mesa/program
  76 env.Prepend(CPPPATH = ['#src/mesa/main'])
  77 env.Command('imports.c', '#src/mesa/main/imports.c', Copy('$TARGET', '$SOURCE'))
  78 # Copy these files to avoid generation object files into src/mesa/program
  79 env.Prepend(CPPPATH = ['#src/mesa/program'])
  80 env.Command('prog_hash_table.c', '#src/mesa/program/prog_hash_table.c', Copy('$TARGET', '$SOURCE'))
  81 env.Command('symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
  82 env.Command('dummy_errors.c', '#src/mesa/program/dummy_errors.c', Copy('$TARGET', '$SOURCE'))
  83
  84 compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES'])
  85
  86 mesa_objs = env.StaticObject([
  87     'imports.c',
  88     'prog_hash_table.c',
  89     'symbol_table.c',
  90     'dummy_errors.c',
  91 ])
  92
  93 compiler_objs += mesa_objs
  94
  95 glsl = env.ConvenienceLibrary(
  96     target = 'glsl',
  97     source = glsl_sources,
  98 )
  99
 100 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
 101 # glsl_parser.h
 102 env.Depends(glsl, glsl_parser)
 103
 104 Export('glsl')
 105
 106 # Skip building these programs as they will cause SCons error "Two environments
 107 # with different actions were specified for the same target"
 108 if env['crosscompile'] or env['embedded']:
 109     Return()
 110
 111 env = env.Clone()
 112
 113 if env['platform'] == 'windows':
 114     env.PrependUnique(LIBS = [
 115         'user32',
 116     ])
 117
 118 env.Prepend(LIBS = [glsl])
 119
 120 glsl_compiler = env.Program(
 121     target = 'glsl_compiler',
 122     source = compiler_objs,
 123 )
 124 env.Alias('glsl_compiler', glsl_compiler)
 125
 126 glcpp = env.Program(
 127     target = 'glcpp/glcpp',
 128     source = ['glcpp/glcpp.c'] + mesa_objs,
 129 )
 130 env.Alias('glcpp', glcpp)