kc3-lang/angle/src/feature_support_util/feature_support_util.h

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• Hash : e4c64c3d
  Author :
  Date : 2018-10-17T14:53:39
  

  Implement new API/interface for the ANGLE feature-support utility.
  
  The original API is designated as version 0.  The new API is
  designated as version 1.  A new function is provided for determing the
  version of the API that can be used.
  
  Bug: angleproject:2794
  Change-Id: I8205b462522cbc34d31643ea14815e187497abed
  Reviewed-on: https://chromium-review.googlesource.com/c/1278836
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
  Commit-Queue: Ian Elliott <ianelliott@google.com>
  

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• src/feature_support_util/feature_support_util.h

• //
  // Copyright 2018 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.
  //
  
  // feature_support_util.h: Internal-to-ANGLE header file for feature-support utilities.
  
  #ifndef FEATURE_SUPPORT_UTIL_H_
  #define FEATURE_SUPPORT_UTIL_H_
  
  #include "angle_feature_support_util.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  // The following are internal versions supported by the current  feature-support-utility API.
  
  constexpr unsigned int kFeatureVersion_LowestSupported  = 0;
  constexpr unsigned int kFeatureVersion_HighestSupported = 1;
  
  // The following is the "version 0" external interface that the Android EGL loader used.  It is
  // deprecated and will soon be obsoleted.  It was never declared in the shared header file.
  
  // TODO(ianelliott@google.com angleproject:2801): Revisit this enum.  Make it
  // strongly typed, and look at renaming it and its values.
  typedef enum ANGLEPreference {
      ANGLE_NO_PREFERENCE = 0,
      ANGLE_PREFER_NATIVE = 1,
      ANGLE_PREFER_ANGLE  = 2,
  } ANGLEPreference;
  
  // The Android EGL loader will call this function in order to determine whether
  // to use ANGLE instead of a native OpenGL-ES (GLES) driver.
  //
  // Parameters:
  // - appName - Java name of the application (e.g. "com.google.android.apps.maps")
  // - deviceMfr - Device manufacturer, from the "ro.product.manufacturer"com.google.android" property
  // - deviceModel - Device model, from the "ro.product.model"com.google.android" property
  // - developerOption - Whether the "Developer Options" setting was set, and if so, how
  // - appPreference - Whether the application expressed a preference, and if so, how
  //
  // TODO(ianelliott@google.com angleproject:2801): Revisit this function
  // name/interface.  Look at generalizing it and making it more "feature"
  // oriented.
  ANGLE_EXPORT bool ANGLEUseForApplication(const char *appName,
                                           const char *deviceMfr,
                                           const char *deviceModel,
                                           ANGLEPreference developerOption,
                                           ANGLEPreference appPreference);
  
  #ifdef __cplusplus
  }  // extern "C"
  #endif
  
  #endif  // FEATURE_SUPPORT_UTIL_H_
  

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