AvaloniaUI
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angle
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angle/scripts/gen_proc_table.py

356 строки
12 KiB
Python
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#!/usr/bin/python3
# Copyright 2017 The ANGLE Project Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# gen_proc_table.py:
# Code generation for entry point loading tables.
# NOTE: don't run this script directly. Run scripts/run_code_generation.py.
import os
import sys
import registry_xml
out_file_name_gles = "../src/libGLESv2/proc_table_egl_autogen.cpp"
out_file_name_wgl = "../src/libGLESv2/proc_table_wgl_autogen.cpp"
out_file_name_glx = "../src/libGLESv2/proc_table_glx_autogen.cpp"
out_file_name_cl = "../src/libGLESv2/proc_table_cl_autogen.cpp"
out_file_name_cl_map = "../src/libOpenCL/libOpenCL_autogen.map"
strip_suffixes = ["ANGLE", "EXT", "KHR", "OES", "CHROMIUM", "OVR"]
template_cpp = """// GENERATED FILE - DO NOT EDIT.
// Generated by {script_name} using data from {data_source_name}.
//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// getProcAddress loader table:
// Mapping from a string entry point name to function address.
//
{includes}
#define P(FUNC) reinterpret_cast<{cast}>(FUNC)
{desktop_only_macro_definition}
namespace {namespace}
{{
// clang-format off
const ProcEntry g_procTable[] = {{
{proc_data}
}};
// clang-format on
const size_t g_numProcs = {num_procs};
}} // namespace {namespace}
"""
desktop_only_macro_definition = """
#if defined(ANGLE_ENABLE_GL_DESKTOP_FRONTEND)
# define DESKTOP_ONLY(func, angleFunc) {func, P(angleFunc)},
#else
# define DESKTOP_ONLY(func, angleFunc)
#endif
"""
# FOR OPENCL
template_map_cpp = """// GENERATED FILE - DO NOT EDIT.
// Generated by {script_name} using data from {data_source_name}.
//
// Copyright 2021 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// proc_table:
// Mapping from a string entry point name to function address.
//
{includes}
#define P(FUNC) reinterpret_cast<{cast}>(FUNC)
namespace {namespace}
{{
const ProcTable &GetProcTable()
{{
static angle::base::NoDestructor<ProcTable> sProcTable(
{{{proc_data}}});
return *sProcTable;
}}
}} // namespace {namespace}
"""
# FOR OPENCL
template_map = """/* GENERATED FILE - DO NOT EDIT.
* Generated by {script_name} using data from {data_source_name}.
*
* Copyright 2021 The ANGLE Project Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* symbol version map: Maps versions to entry point names for a shared library.
*/
{symbol_maps}
"""
includes_gles = """#include "libGLESv2/proc_table_egl.h"
#include "libGLESv2/entry_points_egl_autogen.h"
#include "libGLESv2/entry_points_egl_ext_autogen.h"
#include "libGLESv2/entry_points_gles_1_0_autogen.h"
#include "libGLESv2/entry_points_gles_2_0_autogen.h"
#include "libGLESv2/entry_points_gles_3_0_autogen.h"
#include "libGLESv2/entry_points_gles_3_1_autogen.h"
#include "libGLESv2/entry_points_gles_3_2_autogen.h"
#include "libGLESv2/entry_points_gles_ext_autogen.h"
#include "platform/PlatformMethods.h"
#if defined(ANGLE_ENABLE_GL_DESKTOP_FRONTEND)
# include "libGLESv2/entry_points_gl_1_autogen.h"
# include "libGLESv2/entry_points_gl_2_autogen.h"
# include "libGLESv2/entry_points_gl_3_autogen.h"
# include "libGLESv2/entry_points_gl_4_autogen.h"
#endif
#include <iterator>
"""
includes_wgl = """#include "libGLESv2/proc_table_wgl.h"
#include "libGLESv2/entry_points_egl_ext_autogen.h"
#include "libGLESv2/entry_points_gles_1_0_autogen.h"
#include "libGLESv2/entry_points_gles_2_0_autogen.h"
#include "libGLESv2/entry_points_gles_3_0_autogen.h"
#include "libGLESv2/entry_points_gles_3_1_autogen.h"
#include "libGLESv2/entry_points_gles_3_2_autogen.h"
#include "libGLESv2/entry_points_gles_ext_autogen.h"
#include "platform/PlatformMethods.h"
#include "libGLESv2/entry_points_gl_1_autogen.h"
#include "libGLESv2/entry_points_gl_2_autogen.h"
#include "libGLESv2/entry_points_gl_3_autogen.h"
#include "libGLESv2/entry_points_gl_4_autogen.h"
#include "libGLESv2/entry_points_wgl.h"
#include <iterator>
"""
includes_glx = """#include "libGLESv2/proc_table_glx.h"
#include "libGLESv2/entry_points_egl_ext_autogen.h"
#include "libGLESv2/entry_points_gles_1_0_autogen.h"
#include "libGLESv2/entry_points_gles_2_0_autogen.h"
#include "libGLESv2/entry_points_gles_3_0_autogen.h"
#include "libGLESv2/entry_points_gles_3_1_autogen.h"
#include "libGLESv2/entry_points_gles_3_2_autogen.h"
#include "libGLESv2/entry_points_gles_ext_autogen.h"
#include "platform/PlatformMethods.h"
#include "libGLESv2/entry_points_gl_1_autogen.h"
#include "libGLESv2/entry_points_gl_2_autogen.h"
#include "libGLESv2/entry_points_gl_3_autogen.h"
#include "libGLESv2/entry_points_gl_4_autogen.h"
#include "libGLESv2/entry_points_glx.h"
#include <iterator>
"""
includes_cl = """#include "libGLESv2/proc_table_cl.h"
#include "libGLESv2/entry_points_cl_autogen.h"
#include "anglebase/no_destructor.h"
// Using fully qualified entry point identifiers to make sure that missing entry points would not
// pick up the global declarations of OpenCL
"""
sys.path.append('../src/libANGLE/renderer')
import angle_format
def _get_annotations(versions):
return ["%d_%d" % version for version in versions]
def main():
# auto_script parameters.
if len(sys.argv) > 1:
inputs = [source for source in registry_xml.xml_inputs]
outputs = [
out_file_name_gles, out_file_name_wgl, out_file_name_glx, out_file_name_cl,
out_file_name_cl_map
]
if sys.argv[1] == 'inputs':
print(','.join(inputs))
elif sys.argv[1] == 'outputs':
print(','.join(outputs))
else:
print('Invalid script parameters')
return 1
return 0
glesxml = registry_xml.RegistryXML('gl.xml', 'gl_angle_ext.xml')
for annotation in _get_annotations(registry_xml.GLES_VERSIONS):
name_prefix = "GL_ES_VERSION_"
if annotation[0] == '1':
name_prefix = "GL_VERSION_ES_CM_"
feature_name = "{}{}".format(name_prefix, annotation)
glesxml.AddCommands(feature_name, annotation)
glesxml.AddExtensionCommands(registry_xml.supported_extensions, ['gles2', 'gles1'])
# Also don't add GLES extension commands to libGL proc table
extension_commands = []
for extension_name, ext_cmd_names in sorted(glesxml.ext_data.items()):
extension_commands.extend(glesxml.ext_data[extension_name])
for name in extension_commands:
name_no_suffix = name
for suffix in strip_suffixes:
if name_no_suffix.endswith(suffix):
name_no_suffix = name_no_suffix[0:-len(suffix)]
gles_data = glesxml.all_cmd_names.get_all_commands()
eglxml = registry_xml.RegistryXML('egl.xml', 'egl_angle_ext.xml')
for annotation in _get_annotations(registry_xml.EGL_VERSIONS):
name_prefix = "EGL_VERSION_"
feature_name = "{}{}".format(name_prefix, annotation)
eglxml.AddCommands(feature_name, annotation)
eglxml.AddExtensionCommands(registry_xml.supported_egl_extensions, ['gles2', 'gles1'])
gles_data.extend(eglxml.all_cmd_names.get_all_commands())
gles_data.append("ANGLEGetDisplayPlatform")
gles_data.append("ANGLEResetDisplayPlatform")
gles_data = set(gles_data)
glxml = registry_xml.RegistryXML('gl.xml')
for annotation in _get_annotations(registry_xml.DESKTOP_GL_VERSIONS):
name_prefix = "GL_VERSION_"
feature_name = "{}{}".format(name_prefix, annotation)
glxml.AddCommands(feature_name, annotation)
gl_data = set([cmd for cmd in glxml.all_cmd_names.get_all_commands()])
all_gl_data = list(set(gles_data).union(gl_data))
all_functions = {}
for function in all_gl_data:
if function.startswith("gl"):
all_functions[function] = "GL_" + function[2:]
elif function.startswith("egl"):
all_functions[function] = "EGL_" + function[3:]
else:
all_functions[function] = function
proc_data = []
gl_only_data = gl_data.difference(gles_data)
for func, angle_func in sorted(all_functions.items()):
if func in gl_only_data:
proc_data.append(' DESKTOP_ONLY("%s", %s)' % (func, angle_func))
else:
proc_data.append(' {"%s", P(%s)},' % (func, angle_func))
with open(out_file_name_gles, 'w') as out_file:
output_cpp = template_cpp.format(
script_name=os.path.basename(sys.argv[0]),
data_source_name="gl.xml, gl_angle_ext.xml, egl.xml, egl_angle_ext.xml",
includes=includes_gles,
cast="__eglMustCastToProperFunctionPointerType",
namespace="egl",
proc_data="\n".join(proc_data),
num_procs="std::size(g_procTable)",
desktop_only_macro_definition=desktop_only_macro_definition)
out_file.write(output_cpp)
out_file.close()
def WriteWindowingProcTable(api_name, out_file_name, includes, cast):
xml_file_name = '{}.xml'.format(api_name)
xml = registry_xml.RegistryXML(xml_file_name)
annotations = _get_annotations(
getattr(registry_xml, '{}_VERSIONS'.format(api_name.upper())))
for annotation in annotations:
name_prefix = "{}_VERSION_".format(api_name.upper())
feature_name = "{}{}".format(name_prefix, annotation)
xml.AddCommands(feature_name, annotation)
commands = [
# Some WGL EP's need to have "wgl" appended to their names
cmd if api_name != 'wgl' or cmd.startswith(api_name) else api_name + cmd
for cmd in xml.all_cmd_names.get_all_commands()
]
# Start with all of the GLES + Desktop entry points, filtering out the EGL ones
proc_data = [
' {"%s", P(%s)},' % (func, angle_func)
for func, angle_func in sorted(all_functions.items())
if not func.startswith('egl')
]
proc_data.extend([' {"%s", P(%s)},' % (cmd, cmd) for cmd in sorted(commands)])
with open(out_file_name, 'w') as out_file:
output_cpp = template_cpp.format(
script_name=os.path.basename(sys.argv[0]),
data_source_name="gl.xml, gl_angle_ext.xml, {}".format(xml_file_name),
includes=includes,
cast=cast,
namespace=api_name,
proc_data="\n".join(proc_data),
num_procs="std::size(g_procTable)",
desktop_only_macro_definition='')
out_file.write(output_cpp)
out_file.close()
WriteWindowingProcTable('wgl', out_file_name_wgl, includes_wgl, "PROC")
WriteWindowingProcTable('glx', out_file_name_glx, includes_glx, "__GLXextFuncPtr")
# libCL proc table
clxml = registry_xml.RegistryXML('cl.xml')
symbol_maps = []
symbol_map_dependency = ""
for major_version, minor_version in registry_xml.CL_VERSIONS:
name_prefix = "CL_VERSION_"
annotation = "%d_%d" % (major_version, minor_version)
feature_name = "%s%s" % (name_prefix, annotation)
clxml.AddCommands(feature_name, annotation)
symbol_version = "OPENCL_%d.%d" % (major_version, minor_version)
symbol_maps += ["\n%s {\n global:" % symbol_version]
symbol_maps += [' %s;' % cmd for cmd in clxml.commands[annotation]]
if not symbol_map_dependency:
symbol_maps += [" local:\n *;\n};"]
else:
symbol_maps += ["} %s;" % symbol_map_dependency]
symbol_map_dependency = symbol_version
clxml.AddExtensionCommands(registry_xml.supported_cl_extensions, ['cl'])
cl_commands = clxml.all_cmd_names.get_all_commands()
proc_data = ['{"%s", P(::cl::%s)}' % (cmd, cmd) for cmd in cl_commands]
with open(out_file_name_cl, 'w') as out_file:
output_cpp = template_map_cpp.format(
script_name=os.path.basename(sys.argv[0]),
data_source_name="cl.xml",
includes=includes_cl,
cast="void *",
namespace="cl",
proc_data=",\n ".join(proc_data))
out_file.write(output_cpp)
out_file.close()
with open(out_file_name_cl_map, 'w') as out_file:
output_map = template_map.format(
script_name=os.path.basename(sys.argv[0]),
data_source_name="cl.xml",
symbol_maps="\n".join(symbol_maps))
out_file.write(output_map)
out_file.close()
return 0
if __name__ == '__main__':
sys.exit(main())
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