framework/platform/osx/tcuOSXMetalView.mm

/*-------------------------------------------------------------------------
 * drawElements Quality Program Tester Core
 * ----------------------------------------
 *
 * Copyright 2018 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.
 *
 *//*!
 * \file
 * \brief VK_MVK_macos_surface compatible view
 *//*--------------------------------------------------------------------*/

#include "tcuOSXMetalView.hpp"

#import <AppKit/AppKit.h>
#import <QuartzCore/QuartzCore.h>

@interface NativeMetalView : NSView
@end

@implementation NativeMetalView
- (id)initWithFrame:(NSRect) frame {
	if(self = [super initWithFrame: frame]) {
		// Make this a layer-backed view
		self.wantsLayer = YES;
	}
	return self;
}

// Callback to create the backing metal layer
- (CALayer*)makeBackingLayer {
	return [CAMetalLayer layer];
}
@end

namespace tcu
{
namespace osx
{
	MetalView::MetalView (int width, int height)
	: m_view([[NativeMetalView alloc] initWithFrame:NSMakeRect(0, 0, width, height)])
	{
	}

	void MetalView::setSize(int width, int height)
	{
		[(NativeMetalView*)m_view setFrame:NSMakeRect(0, 0, width, height)];
	}

	MetalView::~MetalView ()
	{
		[(NativeMetalView*)m_view dealloc];
	}
} // osx
} // tcu