kc3-lang/angle/src/libANGLE/gen_copy_conversion_table.py

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• Hash : 21b786b1
  Author :
  Date : 2016-11-01T17:41:31
  

  ES3: Make copy conversion set a static switch.
  
  This removes the global std::set initialization.
  
  BUG=angleproject:1389
  BUG=angleproject:1459
  
  Change-Id: I6a7f4211905ea4a83e0e2337977e2f6fb375a7dd
  Reviewed-on: https://chromium-review.googlesource.com/405368
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/gen_copy_conversion_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_copy_conversion_table.py:
  #  Code generation for ES3 valid copy conversions table format map.
  
  from datetime import date
  import sys
  
  sys.path.append('renderer')
  import angle_format
  
  template_cpp = """// GENERATED FILE - DO NOT EDIT.
  // Generated by {script_name} using data from {data_source_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.
  //
  // format_map:
  //   Determining the sized internal format from a (format,type) pair.
  //   Also check es3 format combinations for validity.
  
  #include "angle_gl.h"
  #include "common/debug.h"
  
  namespace gl
  {{
  
  bool ValidES3CopyConversion(GLenum textureFormat, GLenum framebufferFormat)
  {{
      switch (textureFormat)
      {{
  {texture_format_cases}        default:
              break;
      }}
  
      return false;
  }}
  
  }}  // namespace gl
  """
  
  template_format_case = """        case {texture_format}:
              switch (framebufferFormat)
              {{
  {framebuffer_format_cases}                    return true;
                  default:
                      break;
              }}
              break;
  
  """
  
  template_simple_case = """                case {key}:
  """
  
  def parse_texture_format_case(texture_format, framebuffer_formats):
      framebuffer_format_cases = ""
      for framebuffer_format in sorted(framebuffer_formats):
          framebuffer_format_cases += template_simple_case.format(key = framebuffer_format)
      return template_format_case.format(
          texture_format = texture_format, framebuffer_format_cases = framebuffer_format_cases)
  
  data_source_name = 'es3_copy_conversion_formats.json'
  
  json_data = angle_format.load_json(data_source_name)
  
  format_map = {}
  
  for description, data in json_data.iteritems():
      for texture_format, framebuffer_format in data:
          if texture_format not in format_map:
              format_map[texture_format] = []
          format_map[texture_format] += [ framebuffer_format ]
  
  texture_format_cases = ""
  
  for texture_format, framebuffer_formats in sorted(format_map.iteritems()):
      texture_format_cases += parse_texture_format_case(texture_format, framebuffer_formats)
  
  with open('es3_copy_conversion_table_autogen.cpp', 'wt') as out_file:
      output_cpp = template_cpp.format(
          script_name = sys.argv[0],
          data_source_name = data_source_name,
          copyright_year = date.today().year,
          texture_format_cases = texture_format_cases)
      out_file.write(output_cpp)
      out_file.close()
  

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