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f7c6c6d92a
Fixes https://github.com/flutter/flutter/issues/18208. All Metal for iOS related work items described in https://github.com/orgs/flutter/projects/5 have been completed.
64 lines
2.0 KiB
Plaintext
64 lines
2.0 KiB
Plaintext
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/shell/platform/darwin/ios/rendering_api_selection.h"
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#include <Foundation/Foundation.h>
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#include <QuartzCore/CAEAGLLayer.h>
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#include <QuartzCore/CAMetalLayer.h>
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#if FLUTTER_SHELL_ENABLE_METAL
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#include <Metal/Metal.h>
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#endif // FLUTTER_SHELL_ENABLE_METAL
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#include "flutter/fml/logging.h"
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namespace flutter {
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#if FLUTTER_SHELL_ENABLE_METAL
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bool ShouldUseMetalRenderer() {
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// Flutter supports Metal on all devices with Apple A7 SoC or above that have been updated to or
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// past iOS 10.0. The processor was selected as it is the first version at which Metal was
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// supported. The iOS version floor was selected due to the availability of features used by Skia.
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bool ios_version_supports_metal = false;
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if (@available(iOS 10.0, *)) {
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auto device = MTLCreateSystemDefaultDevice();
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ios_version_supports_metal = [device supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily1_v3];
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}
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return ios_version_supports_metal;
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}
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#endif // FLUTTER_SHELL_ENABLE_METAL
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IOSRenderingAPI GetRenderingAPIForProcess() {
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#if TARGET_IPHONE_SIMULATOR
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return IOSRenderingAPI::kSoftware;
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#endif // TARGET_IPHONE_SIMULATOR
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#if FLUTTER_SHELL_ENABLE_METAL
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static bool should_use_metal = ShouldUseMetalRenderer();
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if (should_use_metal) {
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return IOSRenderingAPI::kMetal;
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}
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#endif // FLUTTER_SHELL_ENABLE_METAL
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return IOSRenderingAPI::kOpenGLES;
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}
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Class GetCoreAnimationLayerClassForRenderingAPI(IOSRenderingAPI rendering_api) {
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switch (rendering_api) {
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case IOSRenderingAPI::kSoftware:
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return [CALayer class];
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case IOSRenderingAPI::kOpenGLES:
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return [CAEAGLLayer class];
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#if !TARGET_IPHONE_SIMULATOR
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case IOSRenderingAPI::kMetal:
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return [CAMetalLayer class];
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#endif // !TARGET_IPHONE_SIMULATOR
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default:
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break;
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}
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FML_CHECK(false) << "Unknown client rendering API";
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return [CALayer class];
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}
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} // namespace flutter
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