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filament/ios/samples/backend-test/backend-test/FilamentView.mm

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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "FilamentView.h"
#import <QuartzCore/CAMetalLayer.h>
@implementation FilamentView
- (instancetype)initWithCoder:(NSCoder*)coder
{
if (self = [super initWithCoder:coder]) {
#if FILAMENT_APP_USE_METAL
[self initializeMetalLayer];
#elif FILAMENT_APP_USE_OPENGL
[self initializeGlLayer];
#endif
self.contentScaleFactor = UIScreen.mainScreen.nativeScale;
}
return self;
}
- (void)initializeMetalLayer
{
CAMetalLayer* metalLayer = (CAMetalLayer*) self.layer;
metalLayer.pixelFormat = MTLPixelFormatBGRA8Unorm;
metalLayer.framebufferOnly = NO;
CGRect nativeBounds = [UIScreen mainScreen].nativeBounds;
metalLayer.drawableSize = nativeBounds.size;
}
- (void)initializeGlLayer
{
CAEAGLLayer* glLayer = (CAEAGLLayer*) self.layer;
glLayer.opaque = YES;
}
+ (Class) layerClass
{
#if FILAMENT_APP_USE_OPENGL
return [CAEAGLLayer class];
#elif FILAMENT_APP_USE_METAL
return [CAMetalLayer class];
#endif
}
@end