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 if env['msvc']:
  67     env.Prepend(CPPPATH = ['#/src/getopt'])
  68     env.PrependUnique(LIBS = [getopt])
  69
  70 # Copy these files to avoid generation object files into src/mesa/program
  71 env.Prepend(CPPPATH = ['#src/mesa/main'])
  72 env.Command('glsl/imports.c', '#src/mesa/main/imports.c', Copy('$TARGET', '$SOURCE'))
  73 env.Command('glsl/extensions_table.c', '#src/mesa/main/extensions_table.c', Copy('$TARGET', '$SOURCE'))
  74 # Copy these files to avoid generation object files into src/mesa/program
  75 env.Prepend(CPPPATH = ['#src/mesa/program'])
  76 env.Command('glsl/prog_hash_table.c', '#src/mesa/program/prog_hash_table.c', Copy('$TARGET', '$SOURCE'))
  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/imports.c',
  85     'glsl/prog_hash_table.c',
  86     'glsl/symbol_table.c',
  87     'glsl/dummy_errors.c',
  88 ])
  89
  90 compiler_objs += mesa_objs
  91
  92 glsl = env.ConvenienceLibrary(
  93     target = 'glsl',
  94     source = glsl_sources,
  95 )
  96
  97 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
  98 # glsl_parser.h
  99 env.Depends(glsl, glsl_parser)
 100
 101 Export('glsl')
 102
 103 # Skip building these programs as they will cause SCons error "Two environments
 104 # with different actions were specified for the same target"
 105 if env['crosscompile'] or env['embedded']:
 106     Return()
 107
 108 env = env.Clone()
 109
 110 if env['platform'] == 'windows':
 111     env.PrependUnique(LIBS = [
 112         'user32',
 113     ])
 114
 115 env.Prepend(LIBS = [compiler, glsl])
 116
 117 compiler_objs += env.StaticObject("glsl/main.cpp")
 118
 119 # GLSL generated sources
 120
 121 env.CodeGenerate(
 122     target = 'glsl/ir_expression_operation.h',
 123     script = 'glsl/ir_expression_operation.py',
 124     source = [],
 125     command = python_cmd + ' $SCRIPT enum > $TARGET'
 126 )
 127 env.CodeGenerate(
 128     target = 'glsl/ir_expression_operation_constant.h',
 129     script = 'glsl/ir_expression_operation.py',
 130     source = [],
 131     command = python_cmd + ' $SCRIPT constant > $TARGET'
 132 )
 133 env.CodeGenerate(
 134     target = 'glsl/ir_expression_operation_strings.h',
 135     script = 'glsl/ir_expression_operation.py',
 136     source = [],
 137     command = python_cmd + ' $SCRIPT strings > $TARGET'
 138 )
 139
 140 glsl_compiler = env.Program(
 141     target = 'glsl_compiler',
 142     source = compiler_objs,
 143 )
 144 env.Alias('glsl_compiler', glsl_compiler)
 145
 146 glcpp = env.Program(
 147     target = 'glsl/glcpp/glcpp',
 148     source = ['glsl/glcpp/glcpp.c'] + mesa_objs,
 149 )
 150 env.Alias('glcpp', glcpp)