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

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• Hash : 6937ea98
  Author :
  Date : 2022-09-08T14:15:10
  

  Use base name of the generator script in various generated files
  
  Increases compiler cache hits especially in cases where the file is run
  during build.
  
  Bug: angleproject:7642
  Change-Id: I769dae2d7cca2cf1e238531f4cb356bad41b06dd
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3880323
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Commit-Queue: Kenneth Russell <kbr@chromium.org>
  Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/gen_copy_conversion_table.py

• #!/usr/bin/python3
  # 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.
  
  import sys
  import os
  
  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 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.
  //
  // 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 = ['renderer/angle_format.py', 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 sorted(json_data.items()):
          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.items()):
          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=os.path.basename(sys.argv[0]),
              data_source_name=data_source_name,
              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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