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1#######################################################################
2# SConscript for shared-glapi/es1api/es2api
3
4from sys import executable as python_cmd
5
6Import('*')
7
8def 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/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/mapi',
41    ]
42
43    cppdefines = mapi_defines[mode] + [
44        'MAPI_ABI_HEADER=\\"%s\\"' % (header_name),
45    ]
46
47    if env['platform'] == 'windows':
48        if mode == 'glapi':
49            cppdefines += [
50                '_GLAPI_DLL_EXPORTS', # declare _glapi_* as __declspec(dllexport) in glapi.h
51            ]
52        else:
53            cppdefines += [
54                '_GDI32_', # prevent gl* being declared __declspec(dllimport) in MS headers
55                'BUILD_GL32', # declare gl* as __declspec(dllexport) in Mesa headers
56            ]
57
58    objects = []
59    for s in mapi_sources[mode]:
60        o = env.SharedObject(
61            target = '%s-%s' % (printer, s[:-2]),
62            source = '../mapi/' + s,
63            CPPPATH = cpppath,
64            CPPDEFINES = cppdefines,
65        )
66        objects.append(o[0])
67
68    env.Depends(objects, header)
69
70    return objects
71
72env = env.Clone()
73
74env['SHLIBPREFIX'] = 'lib'
75env['LIBPREFIX'] = 'lib'
76
77shared_glapi_objects = mapi_objects(env, 'shared-glapi', 'glapi')
78shared_glapi = env.SharedLibrary(
79    target = 'glapi',
80    source = shared_glapi_objects,
81)
82
83# manually add LIBPREFIX on windows
84if env['platform'] == 'windows':
85    libs = ['libglapi']
86else:
87    libs = ['glapi']
88
89es1api_objects = mapi_objects(env, 'es1api', 'bridge')
90es1api = env.SharedLibrary(
91    target = 'GLESv1_CM',
92    source = es1api_objects,
93    LIBPATH = ['.'],
94    LIBS = libs,
95)
96
97es2api_objects = mapi_objects(env, 'es2api', 'bridge')
98es2api = env.SharedLibrary(
99    target = 'GLESv2',
100    source = es2api_objects,
101    LIBPATH = ['.'],
102    LIBS = libs,
103)
104
105env.InstallSharedLibrary(shared_glapi, version=(0, 0, 0))
106env.InstallSharedLibrary(es1api, version=(1, 0, 0))
107env.InstallSharedLibrary(es2api, version=(2, 0, 0))
108
109if env['platform'] == 'windows':
110    shared_glapi = env.FindIxes(shared_glapi, 'LIBPREFIX', 'LIBSUFFIX')
111else:
112    shared_glapi = env.FindIxes(shared_glapi, 'SHLIBPREFIX', 'SHLIBSUFFIX')
113
114# build glapi bridge as a convenience libarary for libgl-xlib/libgl-gdi
115bridge_glapi_objects = mapi_objects(env, 'glapi', 'bridge')
116bridge_glapi = env.ConvenienceLibrary(
117    target = 'glapi_bridge',
118    source = bridge_glapi_objects,
119)
120
121Export(['shared_glapi', 'bridge_glapi'])
122