kc3-lang/angle/src/libANGLE/renderer/vulkan/gen_vk_format_table.py

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• Hash : abaab233
  Author :
  Date : 2017-01-10T12:37:37
  

  Vulkan: Introduce vk::Format.
  
  BUG=angleproject:1319
  
  Change-Id: I88bcc6caa5d29565728848bada1563e47e383b29
  Reviewed-on: https://chromium-review.googlesource.com/367753
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/vulkan/gen_vk_format_table.py

• #!/usr/bin/python
  # Copyright 2016 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_vk_format_table.py:
  #  Code generation for vk format map
  
  from datetime import date
  import json
  import math
  import pprint
  import os
  import re
  import sys
  
  sys.path.append('..')
  import angle_format
  
  template_table_autogen_cpp = """// GENERATED FILE - DO NOT EDIT.
  // Generated by {script_name} using data from {input_file_name}
  //
  // Copyright {copyright_year} 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.
  //
  // {out_file_name}:
  //   Queries for full Vulkan format information based on GL format.
  
  #include "libANGLE/renderer/vulkan/formatutilsvk.h"
  
  #include "image_util/copyimage.h"
  #include "image_util/generatemip.h"
  #include "image_util/loadimage.h"
  
  using namespace angle;
  
  namespace rx
  {{
  
  namespace vk
  {{
  
  // static
  const Format &Format::Get(GLenum internalFormat)
  {{
      // clang-format off
      switch (internalFormat)
      {{
  {format_case_data}
          default:
              break;
      }}
      // clang-format on
  
      UNREACHABLE();
      static const Format noInfo(GL_NONE, angle::Format::ID::NONE, VK_FORMAT_UNDEFINED, nullptr);
      return noInfo;
  }}
  
  }}  // namespace vk
  
  }}  // namespace rx
  """
  
  format_entry_template = """{space}{{
  {space}    static constexpr Format info({internalFormat},
  {space}                                 angle::Format::ID::{formatName},
  {space}                                 {vkFormat},
  {space}                                 {initializer});
  {space}    return info;
  {space}}}
  """
  
  def parse_format_case(internal_format, format_name, native_format):
  
      table_data = ""
  
      parsed = {
          "space": "        ",
          "internalFormat": internal_format,
          "formatName": format_name,
          "vkFormat": native_format,
      }
  
      # Derived values.
      parsed["initializer"] = angle_format.get_internal_format_initializer(
          internal_format, format_name)
  
      return format_entry_template.format(**parsed)
  
  def parse_json_into_cases(json_map, vk_map):
      table_data = ''
  
      for internal_format, format_name in sorted(json_map.iteritems()):
  
          if format_name not in vk_map:
              continue
  
          native_format = vk_map[format_name]
  
          table_data += '        case ' + internal_format + ':\n'
          table_data += parse_format_case(internal_format, format_name, native_format)
  
      return table_data
  
  input_file_name = 'vk_format_map.json'
  out_file_name = 'vk_format_table'
  
  json_map = angle_format.load_without_override()
  vk_map = angle_format.load_json(input_file_name)
  
  format_case_data = parse_json_into_cases(json_map, vk_map)
  output_cpp = template_table_autogen_cpp.format(
      copyright_year = date.today().year,
      format_case_data = format_case_data,
      script_name = __file__,
      out_file_name = out_file_name,
      input_file_name = input_file_name)
  
  with open(out_file_name + '_autogen.cpp', 'wt') as out_file:
      out_file.write(output_cpp)
      out_file.close()
  

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