blob: ff0942885c5465cedaa8db5f96348376d93af21b [file] [log] [blame]
// 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 "GLFWUtils_metal.mm requires the Metal backend to be enabled."
#endif // !defined(DAWN_ENABLE_BACKEND_METAL)
#include "utils/GLFWUtils.h"
#import <QuartzCore/CAMetalLayer.h>
#include "GLFW/glfw3.h"
#include <cstdlib>
#define GLFW_EXPOSE_NATIVE_COCOA
#include "GLFW/glfw3native.h"
namespace utils {
std::unique_ptr<wgpu::ChainedStruct> SetupWindowAndGetSurfaceDescriptorForTesting(
GLFWwindow* window) {
if (@available(macOS 10.11, *)) {
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 desc;
}
return nullptr;
}
} // namespace utils