зеркало из https://github.com/AvaloniaUI/angle.git
208 строки
7.0 KiB
Python
208 строки
7.0 KiB
Python
#!python
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# Copyright 2017 The ANGLE Project Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# gen_proc_table.py:
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# Code generation for entry point loading tables.
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# NOTE: don't run this script directly. Run scripts/run_code_generation.py.
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import sys
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from datetime import date
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import registry_xml
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out_file_name_gles = "../src/libGLESv2/proc_table_egl_autogen.cpp"
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out_file_name_gl = "../src/libGL/proc_table_wgl_autogen.cpp"
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# The EGL_ANGLE_explicit_context extension is generated differently from other extensions.
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# Toggle generation here.
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# Only for GLES
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support_egl_ANGLE_explicit_context = True
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strip_suffixes = ["ANGLE", "EXT", "KHR", "OES", "CHROMIUM", "OVR"]
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template_cpp = """// GENERATED FILE - DO NOT EDIT.
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// Generated by {script_name} using data from {data_source_name}.
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//
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// Copyright {copyright_year} The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// getProcAddress loader table:
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// Mapping from a string entry point name to function address.
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//
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{includes}
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#define P(FUNC) reinterpret_cast<{cast}>(FUNC)
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namespace {namespace}
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{{
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const ProcEntry g_procTable[] = {{
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{proc_data}
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}};
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const size_t g_numProcs = {num_procs};
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}} // namespace {namespace}
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"""
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includes_gles = """#include "libGLESv2/proc_table_egl.h"
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#include "libGLESv2/entry_points_egl_autogen.h"
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#include "libGLESv2/entry_points_egl_ext_autogen.h"
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#include "libGLESv2/entry_points_gles_1_0_autogen.h"
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#include "libGLESv2/entry_points_gles_2_0_autogen.h"
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#include "libGLESv2/entry_points_gles_3_0_autogen.h"
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#include "libGLESv2/entry_points_gles_3_1_autogen.h"
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#include "libGLESv2/entry_points_gles_3_2_autogen.h"
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#include "libGLESv2/entry_points_gles_ext_autogen.h"
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#include "platform/PlatformMethods.h"
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"""
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includes_gl = """#include "libGL/proc_table_wgl.h"
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#include "libGL/entry_points_wgl.h"
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#include "libGL/entry_points_gl_1_autogen.h"
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#include "libGL/entry_points_gl_2_autogen.h"
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#include "libGL/entry_points_gl_3_autogen.h"
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#include "libGL/entry_points_gl_4_autogen.h"
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#include "platform/PlatformMethods.h"
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"""
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sys.path.append('../src/libANGLE/renderer')
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import angle_format
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def _get_annotations(versions):
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return ["%d_%d" % version for version in versions]
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def main():
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# auto_script parameters.
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if len(sys.argv) > 1:
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inputs = [source for source in registry_xml.xml_inputs]
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outputs = [out_file_name_gles, out_file_name_gl]
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if sys.argv[1] == 'inputs':
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print ','.join(inputs)
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elif sys.argv[1] == 'outputs':
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print ','.join(outputs)
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else:
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print('Invalid script parameters')
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return 1
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return 0
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glesxml = registry_xml.RegistryXML('gl.xml', 'gl_angle_ext.xml')
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for annotation in _get_annotations(registry_xml.GLES_VERSIONS):
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name_prefix = "GL_ES_VERSION_"
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if annotation[0] == '1':
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name_prefix = "GL_VERSION_ES_CM_"
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feature_name = "{}{}".format(name_prefix, annotation)
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glesxml.AddCommands(feature_name, annotation)
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glesxml.AddExtensionCommands(registry_xml.supported_extensions, ['gles2', 'gles1'])
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# Also don't add GLES extension commands to libGL proc table
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extension_commands = []
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for extension_name, ext_cmd_names in sorted(glesxml.ext_data.iteritems()):
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extension_commands.extend(glesxml.ext_data[extension_name])
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for name in extension_commands:
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name_no_suffix = name
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for suffix in strip_suffixes:
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if name_no_suffix.endswith(suffix):
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name_no_suffix = name_no_suffix[0:-len(suffix)]
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gles_data = glesxml.all_cmd_names.get_all_commands()
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eglxml = registry_xml.RegistryXML('egl.xml', 'egl_angle_ext.xml')
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for annotation in _get_annotations(registry_xml.EGL_VERSIONS):
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name_prefix = "EGL_VERSION_"
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feature_name = "{}{}".format(name_prefix, annotation)
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eglxml.AddCommands(feature_name, annotation)
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eglxml.AddExtensionCommands(registry_xml.supported_egl_extensions, ['gles2', 'gles1'])
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gles_data.extend(eglxml.all_cmd_names.get_all_commands())
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gles_data.append("ANGLEGetDisplayPlatform")
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gles_data.append("ANGLEResetDisplayPlatform")
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all_functions = {}
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for function in gles_data:
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if function.startswith("gl"):
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all_functions[function] = "gl::" + function[2:]
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# Special handling for EGL_ANGLE_explicit_context extension
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if support_egl_ANGLE_explicit_context:
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all_functions[function + "ContextANGLE"] = "gl::" + function[2:] + "ContextANGLE"
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elif function.startswith("egl"):
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all_functions[function] = "EGL_" + function[3:]
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else:
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all_functions[function] = function
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proc_data = [(' {"%s", P(%s)}' % (func, angle_func))
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for func, angle_func in sorted(all_functions.iteritems())]
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with open(out_file_name_gles, 'w') as out_file:
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output_cpp = template_cpp.format(
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script_name=sys.argv[0],
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data_source_name="gl.xml, gl_angle_ext.xml, egl.xml, egl_angle_ext.xml",
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copyright_year=date.today().year,
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includes=includes_gles,
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cast="__eglMustCastToProperFunctionPointerType",
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namespace="egl",
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proc_data=",\n".join(proc_data),
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num_procs=len(proc_data))
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out_file.write(output_cpp)
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out_file.close()
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# libGL proc table
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glxml = registry_xml.RegistryXML('gl.xml')
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for annotation in _get_annotations(registry_xml.DESKTOP_GL_VERSIONS):
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name_prefix = "GL_VERSION_"
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feature_name = "{}{}".format(name_prefix, annotation)
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glxml.AddCommands(feature_name, annotation)
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gl_data = [cmd for cmd in glxml.all_cmd_names.get_all_commands()]
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wglxml = registry_xml.RegistryXML('wgl.xml')
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for annotation in _get_annotations(registry_xml.WGL_VERSIONS):
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name_prefix = "WGL_VERSION_"
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feature_name = "{}{}".format(name_prefix, annotation)
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wglxml.AddCommands(feature_name, annotation)
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gl_commands = wglxml.all_cmd_names.get_all_commands()
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gl_data.extend([cmd if cmd[:3] == 'wgl' else 'wgl' + cmd for cmd in gl_commands])
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all_functions = {}
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for function in gl_data:
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if function.startswith("gl"):
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all_functions[function] = "gl::" + function[2:]
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else:
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all_functions[function] = function
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proc_data = [(' {"%s", P(%s)}' % (func, angle_func))
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for func, angle_func in sorted(all_functions.iteritems())]
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with open(out_file_name_gl, 'w') as out_file:
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output_cpp = template_cpp.format(
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script_name=sys.argv[0],
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data_source_name="gl.xml, wgl.xml",
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copyright_year=date.today().year,
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includes=includes_gl,
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cast="PROC",
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namespace="wgl",
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proc_data=",\n".join(proc_data),
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num_procs=len(proc_data))
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out_file.write(output_cpp)
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out_file.close()
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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