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import common
Import('*')
from sys import executable as python_cmd
env = env.Clone()
env.Prepend(CPPPATH = [
'#include',
'#src/mapi',
'#src/mesa',
'#src/glsl',
'#src/glsl/glcpp',
])
# Make glcpp-parse.h and glsl_parser.h reachable from the include path.
env.Append(CPPPATH = [Dir('.').abspath, Dir('glcpp').abspath])
env.Append(YACCFLAGS = '-d -p "glcpp_parser_"')
parser_env = env.Clone()
parser_env.Append(YACCFLAGS = [
'--defines=%s' % File('glsl_parser.h').abspath,
'-p', '_mesa_glsl_',
])
# without this line scons will expect "glsl_parser.hpp" instead of
# "glsl_parser.h", causing glsl_parser.cpp to be regenerated every time
parser_env['YACCHXXFILESUFFIX'] = '.h'
glcpp_lexer = env.CFile('glcpp/glcpp-lex.c', 'glcpp/glcpp-lex.l')
glcpp_parser = env.CFile('glcpp/glcpp-parse.c', 'glcpp/glcpp-parse.y')
glsl_lexer = parser_env.CXXFile('glsl_lexer.cpp', 'glsl_lexer.ll')
glsl_parser = parser_env.CXXFile('glsl_parser.cpp', 'glsl_parser.yy')
# common generated sources
glsl_sources = [
glcpp_lexer,
glcpp_parser[0],
glsl_lexer,
glsl_parser[0],
]
# parse Makefile.sources
source_lists = env.ParseSourceList('Makefile.sources')
# add non-generated sources
for l in ('LIBGLCPP_FILES', 'LIBGLSL_FILES'):
glsl_sources += source_lists[l]
if env['msvc']:
env.Prepend(CPPPATH = ['#/src/getopt'])
env.PrependUnique(LIBS = [getopt])
if env['crosscompile'] and not env['embedded']:
Import('builtin_glsl_function')
else:
# Copy these files to avoid generation object files into src/mesa/program
env.Prepend(CPPPATH = ['#src/mesa/main'])
env.Command('hash_table.c', '#src/mesa/main/hash_table.c', Copy('$TARGET', '$SOURCE'))
# Copy these files to avoid generation object files into src/mesa/program
env.Prepend(CPPPATH = ['#src/mesa/program'])
env.Command('prog_hash_table.c', '#src/mesa/program/prog_hash_table.c', Copy('$TARGET', '$SOURCE'))
env.Command('symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES'])
mesa_objs = env.StaticObject([
'hash_table.c',
'prog_hash_table.c',
'symbol_table.c',
])
compiler_objs += mesa_objs
builtin_compiler = env.Program(
target = 'builtin_compiler/builtin_compiler',
source = compiler_objs + glsl_sources + \
source_lists['BUILTIN_COMPILER_CXX_FILES'],
)
# SCons builtin dependency scanner doesn't detect that glsl_lexer.ll
# depends on glsl_parser.h
env.Depends(builtin_compiler, glsl_parser)
builtin_glsl_function = env.CodeGenerate(
target = 'builtin_function.cpp',
script = 'builtins/tools/generate_builtins.py',
source = builtin_compiler,
command = python_cmd + ' $SCRIPT $SOURCE > $TARGET'
)
env.Depends(builtin_glsl_function, ['builtins/tools/generate_builtins.py', '#src/glsl/builtins/tools/texture_builtins.py'] + Glob('builtins/ir/*'))
Export('builtin_glsl_function')
if env['hostonly']:
Return()
glsl_sources += builtin_glsl_function
glsl = env.ConvenienceLibrary(
target = 'glsl',
source = glsl_sources,
)
# SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
# glsl_parser.h
env.Depends(glsl, glsl_parser)
Export('glsl')
# Skip building these programs as they will cause SCons error "Two environments
# with different actions were specified for the same target"
if env['crosscompile'] or env['embedded']:
Return()
env = env.Clone()
if env['platform'] == 'windows':
env.PrependUnique(LIBS = [
'user32',
])
env.Prepend(LIBS = [glsl])
glsl2 = env.Program(
target = 'glsl2',
source = compiler_objs,
)
env.Alias('glsl2', glsl2)
glcpp = env.Program(
target = 'glcpp/glcpp',
source = ['glcpp/glcpp.c'] + mesa_objs,
)
env.Alias('glcpp', glcpp)
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