rendering_api_selection.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_SHELL_PLATFORM_DARWIN_IOS_RENDERING_API_SELECTION_H_
#define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_RENDERING_API_SELECTION_H_
 
#include <objc/runtime.h>
 
#include "flutter/fml/macros.h"
 
namespace flutter {
 
enum class IOSRenderingAPI {
  kSoftware,
  kMetal,
};
 
enum class IOSRenderingBackend {
  kSkia,
  kImpeller,
};
 
// Pass force_software to force software rendering. This is only respected on
// simulators.
IOSRenderingAPI GetRenderingAPIForProcess(bool force_software);
 
Class GetCoreAnimationLayerClassForRenderingAPI(IOSRenderingAPI rendering_api);
 
}  // namespace flutter
 
// Flutter supports Metal on all devices with Apple A7 SoC or above that have
// been updated to or past iOS 10.0. The processor was selected as it is the
// first version at which Metal was supported. The iOS version floor was
// selected due to the availability of features used by Skia.
// Support for Metal on simulators was added by Apple in the SDK for iOS 13.
#if TARGET_OS_SIMULATOR
#define METAL_IOS_VERSION_BASELINE 13.0
#else
#define METAL_IOS_VERSION_BASELINE 10.0
#endif  // TARGET_OS_SIMULATOR
 
#endif  // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_RENDERING_API_SELECTION_H_