kc3-lang/angle/src/common/apple_platform_utils.mm

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• Hash : 081764c8
  Author :
  Date : 2023-01-23T16:18:23
  

  Remove checks for A8 devices
  
  iOS 13 and above dropped support for A8.
  We do not need this code anymore.
  
  Bug: angleproject:7971
  Change-Id: Ie1fca5d93be902605ce989c213df4f2677fe1597
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4190138
  Reviewed-by: Dan Glastonbury <djg@apple.com>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Commit-Queue: Kenneth Russell <kbr@chromium.org>
  

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• src/common/apple_platform_utils.mm

• //
  // Copyright 2022 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.
  //
  
  #include "common/apple_platform_utils.h"
  
  #include <Metal/Metal.h>
  
  namespace angle
  {
  
  bool IsMetalRendererAvailable()
  {
      static bool queriedSystemDevice = false;
      static bool gpuFamilySufficient = false;
  
      // We only support macos 10.13+ and 11 for now. Since they are requirements for Metal 2.0.
  #if TARGET_OS_SIMULATOR
      if (ANGLE_APPLE_AVAILABLE_XCI(10.13, 13.0, 13))
  #else
      if (ANGLE_APPLE_AVAILABLE_XCI(10.13, 13.0, 11))
  #endif
      {
          if (!queriedSystemDevice)
          {
              ANGLE_APPLE_OBJC_SCOPE
              {
                  queriedSystemDevice = true;
                  auto device         = [MTLCreateSystemDefaultDevice() ANGLE_APPLE_AUTORELEASE];
                  if (!device)
                  {
                      return false;
                  }
  
                  // -[MTLDevice supportsFamily] introduced in macOS 10.15, Catalyst 13.1, iOS 13.
  #if defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_MACCATALYST)
                  // Old Macs, such as MacBookPro11,4, cannot use ANGLE's Metal backend.
                  // This check can be removed once they are no longer supported.
                  if (ANGLE_APPLE_AVAILABLE_XCI(10.15, 13.1, 13))
                  {
                      if ([device supportsFamily:MTLGPUFamilyMac2])
                          gpuFamilySufficient = true;
                  }
                  else
                  {
                      // Hardcode constant to sidestep compiler errors. Call will
                      // return false on older macOS versions.
                      const NSUInteger macFamily2v1 = 10005;
                      ANGLE_APPLE_ALLOW_DEPRECATED_BEGIN
                      if ([device supportsFeatureSet:static_cast<MTLFeatureSet>(macFamily2v1)])
                          gpuFamilySufficient = true;
                      ANGLE_APPLE_ALLOW_DEPRECATED_END
                  }
  #elif defined(ANGLE_PLATFORM_IOS) && !TARGET_OS_SIMULATOR
                  // Hardcode constant to sidestep compiler errors. Call will
                  // return false on older macOS versions.
                  const NSUInteger iosFamily3v1 = 4;
                  if ([device supportsFeatureSet:static_cast<MTLFeatureSet>(iosFamily3v1)])
                      gpuFamilySufficient = true;
  #elif defined(ANGLE_PLATFORM_IOS) && TARGET_OS_SIMULATOR
                  // FIXME: Currently we do not have good simulator query, as it does not support
                  // the whole feature set needed for iOS.
                  gpuFamilySufficient = true;
  #endif
              }
          }
  
          return gpuFamilySufficient;
      }
      return false;
  }
  
  }  // namespace angle
  

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