mirror of
https://github.com/libretro/RetroArch.git
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133 lines
4.7 KiB
Python
Executable File
133 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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License statement applies to this file (glgen.py) only.
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"""
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"""
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Permission is hereby granted, free of charge,
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to any person obtaining a copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""
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import sys
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import os
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import re
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banned_ext = [ 'AMD', 'APPLE', 'NV', 'NVX', 'ATI', '3DLABS', 'SUN', 'SGI', 'SGIX', 'SGIS', 'INTEL', '3DFX', 'IBM', 'MESA', 'GREMEDY', 'OML', 'PGI', 'I3D', 'INGL', 'MTX', 'QCOM', 'IMG', 'ANGLE', 'SUNX', 'INGR' ]
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def noext(sym):
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for ext in banned_ext:
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if sym.endswith(ext):
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return False
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return True
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def find_gl_symbols(lines):
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typedefs = []
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syms = []
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for line in lines:
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m = re.search(r'^typedef.+PFN(\S+)PROC.+$', line)
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g = re.search(r'^.+(gl\S+)\W*\(.+\).*$', line)
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if m and noext(m.group(1)):
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typedefs.append(m.group(0).replace('PFN', 'RGLSYM').replace('GLDEBUGPROC', 'RGLGENGLDEBUGPROC'))
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if g and noext(g.group(1)):
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syms.append(g.group(1))
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return (typedefs, syms)
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def generate_defines(gl_syms):
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res = []
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for line in gl_syms:
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res.append('#define {} __rglgen_{}'.format(line, line))
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return res
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def generate_declarations(gl_syms):
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return ['RGLSYM' + x.upper() + 'PROC ' + '__rglgen_' + x + ';' for x in gl_syms]
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def generate_macros(gl_syms):
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return [' SYM(' + x.replace('gl', '') + '),' for x in gl_syms]
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def dump(f, lines):
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f.write('\n'.join(lines))
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f.write('\n\n')
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if __name__ == '__main__':
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if len(sys.argv) > 4:
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for banned in sys.argv[4:]:
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banned_ext.append(banned)
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with open(sys.argv[1], 'r') as f:
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lines = f.readlines()
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typedefs, syms = find_gl_symbols(lines)
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overrides = generate_defines(syms)
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declarations = generate_declarations(syms)
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externs = ['extern ' + x for x in declarations]
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macros = generate_macros(syms)
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with open(sys.argv[2], 'w') as f:
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f.write('#ifndef RGLGEN_DECL_H__\n')
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f.write('#define RGLGEN_DECL_H__\n')
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f.write('#ifdef __cplusplus\n')
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f.write('extern "C" {\n')
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f.write('#endif\n')
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f.write('#ifdef GL_APIENTRY\n')
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f.write('typedef void (GL_APIENTRY *RGLGENGLDEBUGPROC)(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar*, GLvoid*);\n')
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f.write('typedef void (GL_APIENTRY *RGLGENGLDEBUGPROCKHR)(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar*, GLvoid*);\n')
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f.write('#else\n')
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f.write('#ifndef APIENTRY\n')
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f.write('#define APIENTRY\n')
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f.write('#endif\n')
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f.write('#ifndef APIENTRYP\n')
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f.write('#define APIENTRYP APIENTRY *\n')
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f.write('#endif\n')
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f.write('typedef void (APIENTRY *RGLGENGLDEBUGPROCARB)(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar*, GLvoid*);\n')
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f.write('typedef void (APIENTRY *RGLGENGLDEBUGPROC)(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar*, GLvoid*);\n')
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f.write('#endif\n')
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f.write('#ifndef GL_OES_EGL_image\n')
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f.write('typedef void *GLeglImageOES;\n')
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f.write('#endif\n')
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f.write('#if !defined(GL_OES_fixed_point) && !defined(HAVE_OPENGLES2)\n')
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f.write('typedef GLint GLfixed;\n')
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f.write('#endif\n')
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dump(f, typedefs)
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dump(f, overrides)
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dump(f, externs)
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f.write('struct rglgen_sym_map { const char *sym; void *ptr; };\n')
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f.write('extern const struct rglgen_sym_map rglgen_symbol_map[];\n')
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f.write('#ifdef __cplusplus\n')
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f.write('}\n')
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f.write('#endif\n')
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f.write('#endif\n')
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with open(sys.argv[3], 'w') as f:
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f.write('#include "glsym/glsym.h"\n')
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f.write('#include <stddef.h>\n')
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f.write('#define SYM(x) { "gl" #x, &(gl##x) }\n')
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f.write('const struct rglgen_sym_map rglgen_symbol_map[] = {\n')
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dump(f, macros)
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f.write(' { NULL, NULL },\n')
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f.write('};\n')
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dump(f, declarations)
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