| /* |
| * Copyright (c) 2018 The Khronos Group Inc. |
| * Copyright (c) 2018 Valve Corporation |
| * Copyright (c) 2018 LunarG, Inc. |
| * |
| * 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. |
| * |
| * Author: Jeremy Kniager <jeremyk@lunarg.com> |
| */ |
| |
| #import <AppKit/AppKit.h> |
| #import <QuartzCore/QuartzCore.h> |
| |
| @interface NativeMetalView : NSView |
| @end |
| |
| @implementation NativeMetalView |
| - (id)initWithFrame:(NSRect)frame { |
| if (self = [super initWithFrame:frame]) { |
| self.wantsLayer = YES; |
| } |
| return self; |
| } |
| |
| + (Class)layerClass { |
| return [CAMetalLayer class]; |
| } |
| |
| - (CALayer*)makeBackingLayer { |
| CALayer* layer = [self.class.layerClass layer]; |
| CGSize viewScale = [self convertSizeToBacking:CGSizeMake(1.0, 1.0)]; |
| layer.contentsScale = MIN(viewScale.width, viewScale.height); |
| return layer; |
| } |
| @end |
| |
| void* CreateMetalView(uint32_t width, uint32_t height) { |
| return [[NativeMetalView alloc] initWithFrame:NSMakeRect(0, 0, width, height)]; |
| } |
| |
| void DestroyMetalView(void* view) { [(NativeMetalView*)view dealloc]; } |
| |
| void* GetCAMetalLayerFromMetalView(void* view) { return ((NativeMetalView*)view).layer; } |