| // Copyright 2020 The Dawn Authors |
| // |
| // 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. |
| |
| #if !defined(DAWN_ENABLE_BACKEND_METAL) |
| #error "utils_metal.mm requires the Metal backend to be enabled." |
| #endif // !defined(DAWN_ENABLE_BACKEND_METAL) |
| |
| #include "webgpu/webgpu_glfw.h" |
| |
| #import <QuartzCore/CAMetalLayer.h> |
| #include "GLFW/glfw3.h" |
| |
| #include <cstdlib> |
| |
| #define GLFW_EXPOSE_NATIVE_COCOA |
| #include "GLFW/glfw3native.h" |
| |
| namespace wgpu::glfw { |
| |
| std::unique_ptr<wgpu::ChainedStruct> SetupWindowAndGetSurfaceDescriptorCocoa(GLFWwindow* window) { |
| @autoreleasepool { |
| NSWindow* nsWindow = glfwGetCocoaWindow(window); |
| NSView* view = [nsWindow contentView]; |
| |
| // Create a CAMetalLayer that covers the whole window that will be passed to |
| // CreateSurface. |
| [view setWantsLayer:YES]; |
| [view setLayer:[CAMetalLayer layer]]; |
| |
| // Use retina if the window was created with retina support. |
| [[view layer] setContentsScale:[nsWindow backingScaleFactor]]; |
| |
| std::unique_ptr<wgpu::SurfaceDescriptorFromMetalLayer> desc = |
| std::make_unique<wgpu::SurfaceDescriptorFromMetalLayer>(); |
| desc->layer = [view layer]; |
| return std::move(desc); |
| } |
| } |
| |
| } // namespace wgpu::glfw |