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 glsl_sources = [
  34     glcpp_lexer,
  35     glcpp_parser[0],
  36     'glcpp/pp.c',
  37     'ast_expr.cpp',
  38     'ast_function.cpp',
  39     'ast_to_hir.cpp',
  40     'ast_type.cpp',
  41     glsl_lexer,
  42     glsl_parser[0],
  43     'glsl_parser_extras.cpp',
  44     'glsl_types.cpp',
  45     'glsl_symbol_table.cpp',
  46     'hir_field_selection.cpp',
  47     'ir_basic_block.cpp',
  48     'ir_clone.cpp',
  49     'ir_constant_expression.cpp',
  50     'ir.cpp',
  51     'ir_expression_flattening.cpp',
  52     'ir_function_can_inline.cpp',
  53     'ir_function.cpp',
  54     'ir_hierarchical_visitor.cpp',
  55     'ir_hv_accept.cpp',
  56     'ir_import_prototypes.cpp',
  57     'ir_print_visitor.cpp',
  58     'ir_reader.cpp',
  59     'ir_rvalue_visitor.cpp',
  60     'ir_set_program_inouts.cpp',
  61     'ir_validate.cpp',
  62     'ir_variable.cpp',
  63     'ir_variable_refcount.cpp',
  64     'linker.cpp',
  65     'link_functions.cpp',
  66     'loop_analysis.cpp',
  67     'loop_controls.cpp',
  68     'loop_unroll.cpp',
  69     'lower_discard.cpp',
  70     'lower_if_to_cond_assign.cpp',
  71     'lower_instructions.cpp',
  72     'lower_jumps.cpp',
  73     'lower_mat_op_to_vec.cpp',
  74     'lower_noise.cpp',
  75     'lower_variable_index_to_cond_assign.cpp',
  76     'lower_vec_index_to_cond_assign.cpp',
  77     'lower_vec_index_to_swizzle.cpp',
  78     'lower_vector.cpp',
  79     'opt_algebraic.cpp',
  80     'opt_constant_folding.cpp',
  81     'opt_constant_propagation.cpp',
  82     'opt_constant_variable.cpp',
  83     'opt_copy_propagation.cpp',
  84     'opt_copy_propagation_elements.cpp',
  85     'opt_dead_code.cpp',
  86     'opt_dead_code_local.cpp',
  87     'opt_dead_functions.cpp',
  88     'opt_discard_simplification.cpp',
  89     'opt_function_inlining.cpp',
  90     'opt_if_simplification.cpp',
  91     'opt_noop_swizzle.cpp',
  92     'opt_redundant_jumps.cpp',
  93     'opt_structure_splitting.cpp',
  94     'opt_swizzle_swizzle.cpp',
  95     'opt_tree_grafting.cpp',
  96     'ralloc.c',
  97     's_expression.cpp',
  98     'strtod.c',
  99 ]
 100
 101 if env['msvc']:
 102     env.Prepend(CPPPATH = ['#/src/getopt'])
 103     env.PrependUnique(LIBS = [getopt])
 104
 105 if env['crosscompile'] and not env['embedded']:
 106     Import('builtin_glsl_function')
 107 else:
 108     # Copy these files to avoid generation object files into src/mesa/program
 109     env.Prepend(CPPPATH = ['#src/mesa/program'])
 110     env.Command('hash_table.c', '#src/mesa/program/hash_table.c', Copy('$TARGET', '$SOURCE'))
 111     env.Command('symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
 112
 113     main_obj = env.StaticObject('main.cpp')
 114
 115     mesa_objs = env.StaticObject([
 116         'hash_table.c',
 117         'symbol_table.c',
 118     ])
 119
 120     builtin_compiler = env.Program(
 121         target = 'builtin_compiler',
 122         source = main_obj + glsl_sources + ['builtin_stubs.cpp'] + mesa_objs,
 123     )
 124
 125     # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll
 126     # depends on glsl_parser.h
 127     env.Depends(builtin_compiler, glsl_parser)
 128
 129     builtin_glsl_function = env.CodeGenerate(
 130         target = 'builtin_function.cpp',
 131         script = 'builtins/tools/generate_builtins.py',
 132         source = builtin_compiler,
 133         command = python_cmd + ' $SCRIPT $SOURCE > $TARGET'
 134     )
 135
 136     env.Depends(builtin_glsl_function, ['builtins/tools/generate_builtins.py', 'builtins/tools/texture_builtins.py'] + Glob('builtins/ir/*'))
 137
 138     Export('builtin_glsl_function')
 139
 140     if env['hostonly']:
 141         Return()
 142
 143
 144 glsl_sources += builtin_glsl_function
 145
 146 glsl = env.ConvenienceLibrary(
 147     target = 'glsl',
 148     source = glsl_sources,
 149 )
 150
 151 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
 152 # glsl_parser.h
 153 env.Depends(glsl, glsl_parser)
 154
 155 Export('glsl')
 156
 157 # Skip building these programs as they will cause SCons error "Two environments
 158 # with different actions were specified for the same target"
 159 if env['crosscompile'] or env['embedded']:
 160     Return()
 161
 162 env = env.Clone()
 163
 164 if env['platform'] == 'windows':
 165     env.PrependUnique(LIBS = [
 166         'user32',
 167     ])
 168
 169 env.Prepend(LIBS = [glsl])
 170
 171 glsl2 = env.Program(
 172     target = 'glsl2',
 173     source = main_obj + mesa_objs,
 174 )
 175 env.Alias('glsl2', glsl2)
 176
 177 glcpp = env.Program(
 178     target = 'glcpp/glcpp',
 179     source = ['glcpp/glcpp.c'] + mesa_objs,
 180 )
 181 env.Alias('glcpp', glcpp)