src/compiler/SConscript.glsl

   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/compiler/glsl',
  19     '#src/compiler/glsl/glcpp',
  20     '#src/compiler/nir',
  21 ])
  22
  23 env.Prepend(LIBS = [mesautil])
  24
  25 # Make glcpp-parse.h and glsl_parser.h reachable from the include path.
  26 env.Prepend(CPPPATH = [Dir('.').abspath, Dir('glsl').abspath])
  27 # Make NIR headers reachable from the include path.
  28 env.Prepend(CPPPATH = [Dir('.').abspath, Dir('nir').abspath])
  29
  30 glcpp_env = env.Clone()
  31 glcpp_env.Append(YACCFLAGS = [
  32     '-d',
  33     '-p', 'glcpp_parser_'
  34 ])
  35
  36 glsl_env = env.Clone()
  37 glsl_env.Append(YACCFLAGS = [
  38     '--defines=%s' % File('glsl/glsl_parser.h').abspath,
  39     '-p', '_mesa_glsl_',
  40 ])
  41
  42 # without this line scons will expect "glsl_parser.hpp" instead of
  43 # "glsl_parser.h", causing glsl_parser.cpp to be regenerated every time
  44 glsl_env['YACCHXXFILESUFFIX'] = '.h'
  45
  46 glcpp_lexer = glcpp_env.CFile('glsl/glcpp/glcpp-lex.c', 'glsl/glcpp/glcpp-lex.l')
  47 glcpp_parser = glcpp_env.CFile('glsl/glcpp/glcpp-parse.c', 'glsl/glcpp/glcpp-parse.y')
  48 glsl_lexer = glsl_env.CXXFile('glsl/glsl_lexer.cpp', 'glsl/glsl_lexer.ll')
  49 glsl_parser = glsl_env.CXXFile('glsl/glsl_parser.cpp', 'glsl/glsl_parser.yy')
  50
  51 # common generated sources
  52 glsl_sources = [
  53     glcpp_lexer,
  54     glcpp_parser[0],
  55     glsl_lexer,
  56     glsl_parser[0],
  57 ]
  58
  59 # parse Makefile.sources
  60 source_lists = env.ParseSourceList('Makefile.sources')
  61
  62 # add non-generated sources
  63 for l in ('LIBGLCPP_FILES', 'LIBGLSL_FILES'):
  64     glsl_sources += source_lists[l]
  65
  66 glsl_sources += env.StaticObject("glsl/glcpp/pp_standalone_scaffolding.c")
  67
  68 if env['msvc']:
  69     env.Prepend(CPPPATH = ['#/src/getopt'])
  70     env.PrependUnique(LIBS = [getopt])
  71
  72 # Copy these files to avoid generation object files into src/mesa/program
  73 env.Prepend(CPPPATH = ['#src/mesa/main'])
  74 env.Command('glsl/extensions_table.c', '#src/mesa/main/extensions_table.c', Copy('$TARGET', '$SOURCE'))
  75 # Copy these files to avoid generation object files into src/mesa/program
  76 env.Prepend(CPPPATH = ['#src/mesa/program'])
  77 env.Command('glsl/symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
  78 env.Command('glsl/dummy_errors.c', '#src/mesa/program/dummy_errors.c', Copy('$TARGET', '$SOURCE'))
  79
  80 compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES'])
  81
  82 mesa_objs = env.StaticObject([
  83     'glsl/extensions_table.c',
  84     'glsl/symbol_table.c',
  85     'glsl/dummy_errors.c',
  86 ])
  87
  88 compiler_objs += mesa_objs
  89
  90 # GLSL generated sources
  91 env.CodeGenerate(
  92     target = 'glsl/float64_glsl.h',
  93     script = 'glsl/xxd.py',
  94     source = ['glsl/float64.glsl'],
  95     command = python_cmd + ' $SCRIPT $SOURCE $TARGET -n float64_source',
  96 )
  97
  98 env.CodeGenerate(
  99     target = 'glsl/ir_expression_operation.h',
 100     script = 'glsl/ir_expression_operation.py',
 101     source = [],
 102     command = python_cmd + ' $SCRIPT enum > $TARGET'
 103 )
 104 env.CodeGenerate(
 105     target = 'glsl/ir_expression_operation_constant.h',
 106     script = 'glsl/ir_expression_operation.py',
 107     source = [],
 108     command = python_cmd + ' $SCRIPT constant > $TARGET'
 109 )
 110 env.CodeGenerate(
 111     target = 'glsl/ir_expression_operation_strings.h',
 112     script = 'glsl/ir_expression_operation.py',
 113     source = [],
 114     command = python_cmd + ' $SCRIPT strings > $TARGET'
 115 )
 116
 117 glsl = env.ConvenienceLibrary(
 118     target = 'glsl',
 119     source = glsl_sources,
 120 )
 121
 122 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
 123 # glsl_parser.h
 124 env.Depends(glsl, glsl_parser)
 125
 126 Export('glsl')
 127
 128 #
 129 # XXX: It's important to not add any generated source files after this point,
 130 # or it will break MinGW cross-compilation.
 131 #
 132
 133 # Skip building these programs as they will cause SCons error "Two environments
 134 # with different actions were specified for the same target"
 135 if env['crosscompile'] or env['embedded']:
 136     Return()
 137
 138 env = env.Clone()
 139
 140 if env['platform'] == 'windows':
 141     env.PrependUnique(LIBS = [
 142         'user32',
 143     ])
 144
 145 env.Prepend(LIBS = [compiler, glsl])
 146
 147 compiler_objs += env.StaticObject("glsl/main.cpp")
 148
 149 glsl_compiler = env.Program(
 150     target = 'glsl_compiler',
 151     source = compiler_objs,
 152 )
 153 env.Alias('glsl_compiler', glsl_compiler)
 154
 155 glcpp = env.Program(
 156     target = 'glsl/glcpp/glcpp',
 157     source = ['glsl/glcpp/glcpp.c'] + mesa_objs,
 158 )
 159 env.Alias('glcpp', glcpp)