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      1 #######################################################################
      2 # SConscript for shared-glapi/es1api/es2api
      3 
      4 from sys import executable as python_cmd
      5 
      6 Import('*')
      7 
      8 def mapi_objects(env, printer, mode):
      9     """Return mapi objects built for the given printer and mode."""
     10     mapi_sources = {
     11         'glapi': [
     12             'entry.c',
     13             'mapi_glapi.c',
     14             'stub.c',
     15             'table.c',
     16             'u_current.c',
     17             'u_execmem.c',
     18         ],
     19         'bridge': ['entry.c'],
     20     }
     21     mapi_defines = {
     22         'glapi': ['MAPI_MODE_GLAPI'],
     23         'bridge': ['MAPI_MODE_BRIDGE'],
     24     }
     25 
     26     header_name = '%s-tmp.h' % (printer)
     27 
     28     # generate ABI header
     29     GLAPI = '../glapi/'
     30     if printer != 'glapi':
     31         if printer == 'es1api':
     32             abi_tag = 'glesv1'
     33         else:
     34             abi_tag = 'glesv2'
     35 
     36         header = env.CodeGenerate(
     37             target = header_name,
     38             script = '../new/gen_gldispatch_mapi.py',
     39             source = GLAPI + 'registry/gl.xml'
     40             command = python_cmd + ' $SCRIPT ' + \
     41                     '%s $SOURCE > $TARGET' % (abi_tag),
     42         )
     43     else:
     44         header = env.CodeGenerate(
     45             target = header_name,
     46             script = '../mapi_abi.py',
     47             source = [GLAPI + 'gen/gl_and_es_API.xml'] + env.Glob(GLAPI + 'gen/*.xml'),
     48             command = python_cmd + ' $SCRIPT ' + \
     49                     '--printer %s $SOURCE > $TARGET' % (printer),
     50         )
     51 
     52     cpppath = [
     53         header[0].dir,
     54         '#/include',
     55         '#/src',
     56         '#/src/mapi',
     57     ]
     58 
     59     cppdefines = mapi_defines[mode] + [
     60         'MAPI_ABI_HEADER=\\"%s\\"' % (header_name),
     61     ]
     62 
     63     if env['platform'] == 'windows':
     64         if mode == 'glapi':
     65             cppdefines += [
     66                 '_GLAPI_DLL_EXPORTS', # declare _glapi_* as __declspec(dllexport) in glapi.h
     67             ]
     68         else:
     69             cppdefines += [
     70                 '_GDI32_', # prevent gl* being declared __declspec(dllimport) in MS headers
     71                 'BUILD_GL32', # declare gl* as __declspec(dllexport) in Mesa headers
     72             ]
     73 
     74     objects = []
     75     for s in mapi_sources[mode]:
     76         o = env.SharedObject(
     77             target = '%s-%s' % (printer, s[:-2]),
     78             source = '../' + s,
     79             CPPPATH = cpppath,
     80             CPPDEFINES = cppdefines,
     81         )
     82         objects.append(o[0])
     83 
     84     env.Depends(objects, header)
     85 
     86     return objects
     87 
     88 env = env.Clone()
     89 
     90 env['SHLIBPREFIX'] = 'lib'
     91 env['LIBPREFIX'] = 'lib'
     92 
     93 shared_glapi_objects = mapi_objects(env, 'shared-glapi', 'glapi')
     94 shared_glapi = env.SharedLibrary(
     95     target = 'glapi',
     96     source = shared_glapi_objects,
     97 )
     98 
     99 # manually add LIBPREFIX on windows
    100 if env['platform'] == 'windows':
    101     libs = ['libglapi']
    102 else:
    103     libs = ['glapi']
    104 
    105 es1api_objects = mapi_objects(env, 'es1api', 'bridge')
    106 es1api = env.SharedLibrary(
    107     target = 'GLESv1_CM',
    108     source = es1api_objects,
    109     LIBPATH = ['.'],
    110     LIBS = libs,
    111 )
    112 
    113 es2api_objects = mapi_objects(env, 'es2api', 'bridge')
    114 es2api = env.SharedLibrary(
    115     target = 'GLESv2',
    116     source = es2api_objects,
    117     LIBPATH = ['.'],
    118     LIBS = libs,
    119 )
    120 
    121 env.InstallSharedLibrary(shared_glapi, version=(0, 0, 0))
    122 env.InstallSharedLibrary(es1api, version=(1, 0, 0))
    123 env.InstallSharedLibrary(es2api, version=(2, 0, 0))
    124 
    125 if env['platform'] == 'windows':
    126     shared_glapi = env.FindIxes(shared_glapi, 'LIBPREFIX', 'LIBSUFFIX')
    127 else:
    128     shared_glapi = env.FindIxes(shared_glapi, 'SHLIBPREFIX', 'SHLIBSUFFIX')
    129 
    130 Export(['shared_glapi'])
    131