kc3-lang/angle/src/libANGLE/renderer/angle_format.py

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• Hash : c99518fc
  Author :
  Date : 2016-08-09T11:10:38
  

  Move default ANGLE format map to shared location.
  
  This default format mapping serves as a base for a Renderer format
  mapping. Any formats that require emulation or other representation
  in a Renderer can be overridden in the renderer layer.
  
  BUG=angleproject:1455
  
  Change-Id: I47f070c2ea132bada9cc0fc4353b89b74b8ee8f3
  Reviewed-on: https://chromium-review.googlesource.com/367692
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/angle_format.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.
  #
  # angle_format.py:
  #  Utils for ANGLE formats.
  
  import json
  import os
  
  def reject_duplicate_keys(pairs):
      found_keys = {}
      for key, value in pairs:
          if key in found_keys:
             raise ValueError("duplicate key: %r" % (key,))
          else:
             found_keys[key] = value
      return found_keys
  
  def load_json(path):
      with open(path) as map_file:
          file_data = map_file.read()
          map_file.close()
          return json.loads(file_data, object_pairs_hook=reject_duplicate_keys)
  
  def load_forward_table(path):
      pairs = load_json(path)
      reject_duplicate_keys(pairs)
      return { gl: angle for gl, angle in pairs }
  
  def load_inverse_table(path):
      pairs = load_json(path)
      reject_duplicate_keys(pairs)
      return { angle: gl for gl, angle in pairs }
  
  def load_with_override(override_path):
      map_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'angle_format_map.json')
      results = load_forward_table(map_path)
      overrides = load_json(override_path)
  
      for k, v in overrides.iteritems():
          results[k] = v
  
      return results
  

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