| /* |
| * MVKSurface.mm |
| * |
| * Copyright (c) 2014-2018 The Brenwill Workshop Ltd. (http://www.brenwill.com) |
| * |
| * 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. |
| */ |
| |
| #include "MVKSurface.h" |
| #include "MVKInstance.h" |
| #include "MVKFoundation.h" |
| #include "MVKOSExtensions.h" |
| |
| |
| #pragma mark MVKSurface |
| |
| #pragma mark Construction |
| |
| MVKSurface::MVKSurface(MVKInstance* mvkInstance, |
| const Vk_PLATFORM_SurfaceCreateInfoMVK* pCreateInfo, |
| const VkAllocationCallbacks* pAllocator) { |
| |
| __block CALayer* viewLayer = nil; |
| mvkDispatchToMainAndWait(^{ viewLayer = ((PLATFORM_VIEW_CLASS*)pCreateInfo->pView).layer; }); |
| if ( [viewLayer isKindOfClass: [CAMetalLayer class]] ) { |
| _mtlCAMetalLayer = (CAMetalLayer*)[viewLayer retain]; // retained |
| } else { |
| setConfigurationResult(mvkNotifyErrorWithText(VK_ERROR_INITIALIZATION_FAILED, "On-screen rendering requires a view that is backed by a layer of type CAMetalLayer.")); |
| _mtlCAMetalLayer = nil; |
| } |
| } |
| |
| MVKSurface::~MVKSurface() { |
| [_mtlCAMetalLayer release]; |
| } |
| |