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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.     header = env.CodeGenerate(
  30.         target = header_name,
  31.         script = '../mapi_abi.py',
  32.         source = '../glapi/gen/gl_and_es_API.xml',
  33.         command = python_cmd + ' $SCRIPT ' + \
  34.                 '--printer %s --mode lib $SOURCE > $TARGET' % (printer),
  35.     )
  36.  
  37.     cpppath = [
  38.         header[0].dir,
  39.         '#/include',
  40.         '#/src',
  41.         '#/src/mapi',
  42.     ]
  43.    
  44.     cppdefines = mapi_defines[mode] + [
  45.         'MAPI_ABI_HEADER=\\"%s\\"' % (header_name),
  46.     ]
  47.  
  48.     if env['platform'] == 'windows':
  49.         if mode == 'glapi':
  50.             cppdefines += [
  51.                 '_GLAPI_DLL_EXPORTS', # declare _glapi_* as __declspec(dllexport) in glapi.h
  52.             ]
  53.         else:
  54.             cppdefines += [
  55.                 '_GDI32_', # prevent gl* being declared __declspec(dllimport) in MS headers
  56.                 'BUILD_GL32', # declare gl* as __declspec(dllexport) in Mesa headers
  57.             ]
  58.  
  59.     objects = []
  60.     for s in mapi_sources[mode]:
  61.         o = env.SharedObject(
  62.             target = '%s-%s' % (printer, s[:-2]),
  63.             source = '../' + s,
  64.             CPPPATH = cpppath,
  65.             CPPDEFINES = cppdefines,
  66.         )
  67.         objects.append(o[0])
  68.  
  69.     env.Depends(objects, header)
  70.  
  71.     return objects
  72.  
  73. env = env.Clone()
  74.  
  75. env['SHLIBPREFIX'] = 'lib'
  76. env['LIBPREFIX'] = 'lib'
  77.  
  78. shared_glapi_objects = mapi_objects(env, 'shared-glapi', 'glapi')
  79. shared_glapi = env.SharedLibrary(
  80.     target = 'glapi',
  81.     source = shared_glapi_objects,
  82. )
  83.  
  84. # manually add LIBPREFIX on windows
  85. if env['platform'] == 'windows':
  86.     libs = ['libglapi']
  87. else:
  88.     libs = ['glapi']
  89.  
  90. es1api_objects = mapi_objects(env, 'es1api', 'bridge')
  91. es1api = env.SharedLibrary(
  92.     target = 'GLESv1_CM',
  93.     source = es1api_objects,
  94.     LIBPATH = ['.'],
  95.     LIBS = libs,
  96. )
  97.  
  98. es2api_objects = mapi_objects(env, 'es2api', 'bridge')
  99. es2api = env.SharedLibrary(
  100.     target = 'GLESv2',
  101.     source = es2api_objects,
  102.     LIBPATH = ['.'],
  103.     LIBS = libs,
  104. )
  105.  
  106. env.InstallSharedLibrary(shared_glapi, version=(0, 0, 0))
  107. env.InstallSharedLibrary(es1api, version=(1, 0, 0))
  108. env.InstallSharedLibrary(es2api, version=(2, 0, 0))
  109.  
  110. if env['platform'] == 'windows':
  111.     shared_glapi = env.FindIxes(shared_glapi, 'LIBPREFIX', 'LIBSUFFIX')
  112. else:
  113.     shared_glapi = env.FindIxes(shared_glapi, 'SHLIBPREFIX', 'SHLIBSUFFIX')
  114.  
  115. # build glapi bridge as a convenience libarary for libgl-xlib/libgl-gdi
  116. bridge_glapi_objects = mapi_objects(env, 'glapi', 'bridge')
  117. bridge_glapi = env.ConvenienceLibrary(
  118.     target = 'glapi_bridge',
  119.     source = bridge_glapi_objects,
  120. )
  121.  
  122. Export(['shared_glapi', 'bridge_glapi'])
  123.