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

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• Hash : 0f34f3f2
  Author :
  Date : 2019-03-11T10:18:57
  

  Use auto_script in run_code_generation.
  
  Cleans up the generator scripts to prepare for listing outputs in the
  generated hashes file. Also reorganizes the scripts somewhat to make
  them a bit more maintainable.
  
  Bug: angleproject:3227
  Change-Id: If40946c2004941d3f6cd51d5521c7db8cc0b52df
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1512052
  Reviewed-by: Shahbaz Youssefi <syoussefi@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.
  #  NOTE: don't run this script directly. Run scripts/run_code_generation.py.
  
  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)
  
  
  def main():
  
      data_source_name = 'es3_copy_conversion_formats.json'
      out_file_name = 'es3_copy_conversion_table_autogen.cpp'
  
      # auto_script parameters.
      if len(sys.argv) > 1:
          inputs = [data_source_name]
          outputs = [out_file_name]
  
          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
  
      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(out_file_name, '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()
      return 0
  
  
  if __name__ == '__main__':
      sys.exit(main())
  

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