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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
3 # Use of this source code is governed by a BSD-style license that can be | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 | 5 |
6 """code generator for GL/GLES extension wrangler.""" | 6 """code generator for GL/GLES extension wrangler.""" |
7 | 7 |
8 import optparse | 8 import optparse |
9 import os | 9 import os |
10 import collections | 10 import collections |
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1901 used_extensions, used_client_extensions): | 1901 used_extensions, used_client_extensions): |
1902 """Generates gl_bindings_autogen_x.h""" | 1902 """Generates gl_bindings_autogen_x.h""" |
1903 | 1903 |
1904 # Write file header. | 1904 # Write file header. |
1905 file.write(LICENSE_AND_HEADER + | 1905 file.write(LICENSE_AND_HEADER + |
1906 """ | 1906 """ |
1907 | 1907 |
1908 #ifndef UI_GL_GL_BINDINGS_AUTOGEN_%(name)s_H_ | 1908 #ifndef UI_GL_GL_BINDINGS_AUTOGEN_%(name)s_H_ |
1909 #define UI_GL_GL_BINDINGS_AUTOGEN_%(name)s_H_ | 1909 #define UI_GL_GL_BINDINGS_AUTOGEN_%(name)s_H_ |
1910 | 1910 |
1911 namespace gfx { | 1911 namespace gl { |
1912 | 1912 |
1913 class GLContext; | 1913 class GLContext; |
1914 | 1914 |
1915 """ % {'name': set_name.upper()}) | 1915 """ % {'name': set_name.upper()}) |
1916 | 1916 |
1917 # Write typedefs for function pointer types. Always use the GL name for the | 1917 # Write typedefs for function pointer types. Always use the GL name for the |
1918 # typedef. | 1918 # typedef. |
1919 file.write('\n') | 1919 file.write('\n') |
1920 for func in functions: | 1920 for func in functions: |
1921 file.write('typedef %s (GL_BINDING_CALL *%sProc)(%s);\n' % | 1921 file.write('typedef %s (GL_BINDING_CALL *%sProc)(%s);\n' % |
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1945 %(name)sApi(); | 1945 %(name)sApi(); |
1946 virtual ~%(name)sApi(); | 1946 virtual ~%(name)sApi(); |
1947 | 1947 |
1948 """ % {'name': set_name.upper()}) | 1948 """ % {'name': set_name.upper()}) |
1949 for func in functions: | 1949 for func in functions: |
1950 file.write(' virtual %s %sFn(%s) = 0;\n' % | 1950 file.write(' virtual %s %sFn(%s) = 0;\n' % |
1951 (func['return_type'], func['known_as'], func['arguments'])) | 1951 (func['return_type'], func['known_as'], func['arguments'])) |
1952 file.write('};\n') | 1952 file.write('};\n') |
1953 file.write('\n') | 1953 file.write('\n') |
1954 | 1954 |
1955 file.write( '} // namespace gfx\n') | 1955 file.write( '} // namespace gl\n') |
1956 | 1956 |
1957 # Write macros to invoke function pointers. Always use the GL name for the | 1957 # Write macros to invoke function pointers. Always use the GL name for the |
1958 # macro. | 1958 # macro. |
1959 file.write('\n') | 1959 file.write('\n') |
1960 for func in functions: | 1960 for func in functions: |
1961 file.write('#define %s ::gfx::g_current_%s_context->%sFn\n' % | 1961 file.write('#define %s ::gl::g_current_%s_context->%sFn\n' % |
1962 (func['known_as'], set_name.lower(), func['known_as'])) | 1962 (func['known_as'], set_name.lower(), func['known_as'])) |
1963 | 1963 |
1964 file.write('\n') | 1964 file.write('\n') |
1965 file.write('#endif // UI_GL_GL_BINDINGS_AUTOGEN_%s_H_\n' % | 1965 file.write('#endif // UI_GL_GL_BINDINGS_AUTOGEN_%s_H_\n' % |
1966 set_name.upper()) | 1966 set_name.upper()) |
1967 | 1967 |
1968 | 1968 |
1969 def GenerateAPIHeader(file, functions, set_name): | 1969 def GenerateAPIHeader(file, functions, set_name): |
1970 """Generates gl_bindings_api_autogen_x.h""" | 1970 """Generates gl_bindings_api_autogen_x.h""" |
1971 | 1971 |
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2024 for h in sorted(include_list)]) | 2024 for h in sorted(include_list)]) |
2025 | 2025 |
2026 # Write file header. | 2026 # Write file header. |
2027 file.write(LICENSE_AND_HEADER + | 2027 file.write(LICENSE_AND_HEADER + |
2028 """ | 2028 """ |
2029 | 2029 |
2030 #include <string> | 2030 #include <string> |
2031 | 2031 |
2032 %s | 2032 %s |
2033 | 2033 |
2034 namespace gfx { | 2034 namespace gl { |
2035 """ % includes_string) | 2035 """ % includes_string) |
2036 | 2036 |
2037 file.write('\n') | 2037 file.write('\n') |
2038 file.write('static bool g_debugBindingsInitialized;\n') | 2038 file.write('static bool g_debugBindingsInitialized;\n') |
2039 file.write('Driver%s g_driver_%s;\n' % (set_name.upper(), set_name.lower())) | 2039 file.write('Driver%s g_driver_%s;\n' % (set_name.upper(), set_name.lower())) |
2040 file.write('\n') | 2040 file.write('\n') |
2041 | 2041 |
2042 # Write stub functions that take the place of some functions before a context | 2042 # Write stub functions that take the place of some functions before a context |
2043 # is initialized. This is done to provide clear asserts on debug build and to | 2043 # is initialized. This is done to provide clear asserts on debug build and to |
2044 # avoid crashing in case of a bug on release build. | 2044 # avoid crashing in case of a bug on release build. |
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2361 'GLfloat': '0.0f', | 2361 'GLfloat': '0.0f', |
2362 'GLdouble': '0.0', | 2362 'GLdouble': '0.0', |
2363 'GLsync': 'NULL'} | 2363 'GLsync': 'NULL'} |
2364 if return_type.endswith('*'): | 2364 if return_type.endswith('*'): |
2365 file.write(' return NULL;\n') | 2365 file.write(' return NULL;\n') |
2366 elif return_type != 'void': | 2366 elif return_type != 'void': |
2367 file.write(' return %s;\n' % default_value[return_type]) | 2367 file.write(' return %s;\n' % default_value[return_type]) |
2368 file.write('}\n') | 2368 file.write('}\n') |
2369 | 2369 |
2370 file.write('\n') | 2370 file.write('\n') |
2371 file.write('} // namespace gfx\n') | 2371 file.write('} // namespace gl\n') |
2372 | 2372 |
2373 | 2373 |
2374 def GetUniquelyNamedFunctions(functions): | 2374 def GetUniquelyNamedFunctions(functions): |
2375 uniquely_named_functions = {} | 2375 uniquely_named_functions = {} |
2376 | 2376 |
2377 for func in functions: | 2377 for func in functions: |
2378 for version in func['versions']: | 2378 for version in func['versions']: |
2379 uniquely_named_functions[version['name']] = ({ | 2379 uniquely_named_functions[version['name']] = ({ |
2380 'name': version['name'], | 2380 'name': version['name'], |
2381 'return_type': func['return_type'], | 2381 'return_type': func['return_type'], |
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2401 """Generates functions that invoke MockGLInterface members and a | 2401 """Generates functions that invoke MockGLInterface members and a |
2402 GetGLProcAddress function that returns addresses to those functions.""" | 2402 GetGLProcAddress function that returns addresses to those functions.""" |
2403 | 2403 |
2404 file.write(LICENSE_AND_HEADER + | 2404 file.write(LICENSE_AND_HEADER + |
2405 """ | 2405 """ |
2406 | 2406 |
2407 #include <string.h> | 2407 #include <string.h> |
2408 | 2408 |
2409 #include "ui/gl/gl_mock.h" | 2409 #include "ui/gl/gl_mock.h" |
2410 | 2410 |
2411 namespace gfx { | 2411 namespace gl { |
2412 | 2412 |
2413 // This is called mainly to prevent the compiler combining the code of mock | 2413 // This is called mainly to prevent the compiler combining the code of mock |
2414 // functions with identical contents, so that their function pointers will be | 2414 // functions with identical contents, so that their function pointers will be |
2415 // different. | 2415 // different. |
2416 void MakeFunctionUnique(const char *func_name) { | 2416 void MakeFunctionUnique(const char *func_name) { |
2417 VLOG(2) << "Calling mock " << func_name; | 2417 VLOG(2) << "Calling mock " << func_name; |
2418 } | 2418 } |
2419 | 2419 |
2420 """) | 2420 """) |
2421 # Write functions that trampoline into the set MockGLInterface instance. | 2421 # Write functions that trampoline into the set MockGLInterface instance. |
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2455 'MockGLInterface::GetGLProcAddress(const char* name) {\n') | 2455 'MockGLInterface::GetGLProcAddress(const char* name) {\n') |
2456 for key in sorted_function_names: | 2456 for key in sorted_function_names: |
2457 name = uniquely_named_functions[key]['name'] | 2457 name = uniquely_named_functions[key]['name'] |
2458 file.write(' if (strcmp(name, "%s") == 0)\n' % name) | 2458 file.write(' if (strcmp(name, "%s") == 0)\n' % name) |
2459 file.write(' return reinterpret_cast<void*>(Mock_%s);\n' % name) | 2459 file.write(' return reinterpret_cast<void*>(Mock_%s);\n' % name) |
2460 # Always return a non-NULL pointer like some EGL implementations do. | 2460 # Always return a non-NULL pointer like some EGL implementations do. |
2461 file.write(' return reinterpret_cast<void*>(&MockInvalidFunction);\n') | 2461 file.write(' return reinterpret_cast<void*>(&MockInvalidFunction);\n') |
2462 file.write('}\n') | 2462 file.write('}\n') |
2463 | 2463 |
2464 file.write('\n') | 2464 file.write('\n') |
2465 file.write('} // namespace gfx\n') | 2465 file.write('} // namespace gl\n') |
2466 | 2466 |
2467 def GenerateEnumUtils(out_file, input_filenames): | 2467 def GenerateEnumUtils(out_file, input_filenames): |
2468 enum_re = re.compile(r'\#define\s+(GL_[a-zA-Z0-9_]+)\s+([0-9A-Fa-fx]+)') | 2468 enum_re = re.compile(r'\#define\s+(GL_[a-zA-Z0-9_]+)\s+([0-9A-Fa-fx]+)') |
2469 dict = {} | 2469 dict = {} |
2470 for fname in input_filenames: | 2470 for fname in input_filenames: |
2471 lines = open(fname).readlines() | 2471 lines = open(fname).readlines() |
2472 for line in lines: | 2472 for line in lines: |
2473 m = enum_re.match(line) | 2473 m = enum_re.match(line) |
2474 if m: | 2474 if m: |
2475 name = m.group(1) | 2475 name = m.group(1) |
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2845 'gl_enums_implementation_autogen.h'), | 2845 'gl_enums_implementation_autogen.h'), |
2846 'wb') | 2846 'wb') |
2847 GenerateEnumUtils(header_file, enum_header_filenames) | 2847 GenerateEnumUtils(header_file, enum_header_filenames) |
2848 header_file.close() | 2848 header_file.close() |
2849 ClangFormat(header_file.name) | 2849 ClangFormat(header_file.name) |
2850 return 0 | 2850 return 0 |
2851 | 2851 |
2852 | 2852 |
2853 if __name__ == '__main__': | 2853 if __name__ == '__main__': |
2854 sys.exit(main(sys.argv[1:])) | 2854 sys.exit(main(sys.argv[1:])) |
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