194 lines
6.5 KiB
Python
Executable File
194 lines
6.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2010 LunarG Inc.
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# (C) Copyright 2015, NVIDIA CORPORATION.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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#
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# Authors:
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# Kyle Brenneman <kbrenneman@nvidia.com>
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#
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# Based on code ogiginally by:
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# Chia-I Wu <olv@lunarg.com>
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"""
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Generates the glapi_mapi_tmp.h header file from Khronos's XML file.
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"""
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import sys
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import xml.etree.ElementTree as etree
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import genCommon
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def _main():
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target = sys.argv[1]
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xmlFiles = sys.argv[2:]
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roots = [ etree.parse(filename).getroot() for filename in xmlFiles ]
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allFunctions = genCommon.getFunctionsFromRoots(roots)
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names = genCommon.getExportNamesFromRoots(target, roots)
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functions = [f for f in allFunctions if(f.name in names)]
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if (target in ("gl", "gldispatch")):
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assert(len(functions) == len(allFunctions))
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assert(all(functions[i] == allFunctions[i] for i in range(len(functions))))
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assert(all(functions[i].slot == i for i in range(len(functions))))
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print(r"""
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/* This file is automatically generated by mapi_abi.py. Do not modify. */
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#ifndef _GLAPI_TMP_H_
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#define _GLAPI_TMP_H_
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typedef int GLclampx;
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#endif /* _GLAPI_TMP_H_ */
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""".lstrip("\n"))
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print(generate_defines(functions))
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if target == "gldispatch":
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print(generate_table(functions, allFunctions))
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print(generate_noop_array(functions))
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print(generate_public_stubs(functions))
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print(generate_public_entries(functions))
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if target == "gldispatch":
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print(generate_public_entries_table(functions))
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print(generate_undef_public_entries())
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print(generate_stub_asm_gcc(functions))
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def generate_defines(functions):
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text = r"""
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#ifdef MAPI_TMP_DEFINES
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#define GL_GLEXT_PROTOTYPES
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#include "GL/gl.h"
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#include "GL/glext.h"
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""".lstrip("\n")
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for func in functions:
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text += "GLAPI {f.rt} APIENTRY {f.name}({f.decArgs});\n".format(f=func)
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text += "#undef MAPI_TMP_DEFINES\n"
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text += "#endif /* MAPI_TMP_DEFINES */\n"
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return text
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def generate_table(functions, allFunctions):
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text = "#ifdef MAPI_TMP_TABLE\n"
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text += "#define MAPI_TABLE_NUM_STATIC %d\n" % (len(allFunctions))
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text += "#define MAPI_TABLE_NUM_DYNAMIC %d\n" % (genCommon.MAPI_TABLE_NUM_DYNAMIC,)
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text += "#undef MAPI_TMP_TABLE\n"
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text += "#endif /* MAPI_TMP_TABLE */\n"
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return text
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def generate_noop_array(functions):
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text = "#ifdef MAPI_TMP_NOOP_ARRAY\n"
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text += "#ifdef DEBUG\n\n"
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for func in functions:
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text += "static {f.rt} APIENTRY noop{f.basename}({f.decArgs})\n".format(f=func)
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text += "{\n"
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if (len(func.args) > 0):
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text += " "
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for arg in func.args:
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text += " (void) {a.name};".format(a=arg)
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text += "\n"
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text += " noop_warn(\"{f.name}\");\n".format(f=func)
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if (func.hasReturn()):
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text += " return ({f.rt}) 0;\n".format(f=func)
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text += "}\n\n"
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text += "const mapi_func table_noop_array[] = {\n"
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for func in functions:
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text += " (mapi_func) noop{f.basename},\n".format(f=func)
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for i in range(genCommon.MAPI_TABLE_NUM_DYNAMIC - 1):
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text += " (mapi_func) noop_generic,\n"
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text += " (mapi_func) noop_generic\n"
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text += "};\n\n"
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text += "#else /* DEBUG */\n\n"
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text += "const mapi_func table_noop_array[] = {\n"
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for i in range(len(functions) + genCommon.MAPI_TABLE_NUM_DYNAMIC - 1):
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text += " (mapi_func) noop_generic,\n"
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text += " (mapi_func) noop_generic\n"
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text += "};\n\n"
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text += "#endif /* DEBUG */\n"
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text += "#undef MAPI_TMP_NOOP_ARRAY\n"
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text += "#endif /* MAPI_TMP_NOOP_ARRAY */\n"
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return text
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def generate_public_stubs(functions):
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text = "#ifdef MAPI_TMP_PUBLIC_STUBS\n"
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text += "static const struct mapi_stub public_stubs[] = {\n"
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for func in functions:
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text += " { \"%s\", %d, NULL },\n" % (func.name, func.slot)
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text += "};\n"
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text += "#undef MAPI_TMP_PUBLIC_STUBS\n"
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text += "#endif /* MAPI_TMP_PUBLIC_STUBS */\n"
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return text
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def generate_public_entries(functions):
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text = "#ifdef MAPI_TMP_PUBLIC_ENTRIES_NO_HIDDEN\n"
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for func in functions:
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retStr = ("return " if func.hasReturn() else "")
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text += r"""
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GLAPI {f.rt} APIENTRY {f.name}({f.decArgs})
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{{
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const struct _glapi_table *_tbl = entry_current_get();
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mapi_func _func = ((const mapi_func *) _tbl)[{f.slot}];
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{retStr}(({f.rt} (APIENTRY *)({f.decArgs})) _func)({f.callArgs});
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}}
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""".lstrip("\n").format(f=func, retStr=retStr)
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text += "\n"
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text += "#endif /* MAPI_TMP_PUBLIC_ENTRIES_NO_HIDDEN */\n"
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return text
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def generate_public_entries_table(functions):
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text = "#ifdef MAPI_TMP_PUBLIC_ENTRIES_NO_HIDDEN\n"
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text += "static const mapi_func public_entries[] = {\n"
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for func in functions:
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text += " (mapi_func) %s,\n" % (func.name,)
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text += "};\n"
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text += "#endif /* MAPI_TMP_PUBLIC_ENTRIES_NO_HIDDEN */\n"
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return text
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def generate_undef_public_entries():
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text = "#ifdef MAPI_TMP_PUBLIC_ENTRIES_NO_HIDDEN\n"
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text += "#undef MAPI_TMP_PUBLIC_ENTRIES_NO_HIDDEN\n"
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text += "#endif /* MAPI_TMP_PUBLIC_ENTRIES_NO_HIDDEN */\n"
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return text
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def generate_stub_asm_gcc(functions):
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text = "#ifdef MAPI_TMP_STUB_ASM_GCC_NO_HIDDEN\n"
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text += "__asm__(\n"
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for func in functions:
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text += 'STUB_ASM_ENTRY("%s")"\\n"\n' % (func.name,)
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text += '"\\t"STUB_ASM_CODE("%d")"\\n"\n\n' % (func.slot,)
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text += ");\n"
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text += "#undef MAPI_TMP_STUB_ASM_GCC_NO_HIDDEN\n"
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text += "#endif /* MAPI_TMP_STUB_ASM_GCC_NO_HIDDEN */\n"
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return text
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if (__name__ == "__main__"):
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_main()
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