50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
// Copyright 2020 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#if !defined(DAWN_ENABLE_BACKEND_METAL)
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#error "GLFWUtils_metal.mm requires the Metal backend to be enabled."
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#endif // !defined(DAWN_ENABLE_BACKEND_METAL)
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#include "dawn/utils/GLFWUtils.h"
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#import <QuartzCore/CAMetalLayer.h>
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#include "GLFW/glfw3.h"
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#include <cstdlib>
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#define GLFW_EXPOSE_NATIVE_COCOA
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#include "GLFW/glfw3native.h"
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namespace utils {
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std::unique_ptr<wgpu::ChainedStruct> SetupWindowAndGetSurfaceDescriptorCocoa(GLFWwindow* window) {
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NSWindow* nsWindow = glfwGetCocoaWindow(window);
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NSView* view = [nsWindow contentView];
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// Create a CAMetalLayer that covers the whole window that will be passed to
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// CreateSurface.
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[view setWantsLayer:YES];
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[view setLayer:[CAMetalLayer layer]];
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// Use retina if the window was created with retina support.
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[[view layer] setContentsScale:[nsWindow backingScaleFactor]];
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std::unique_ptr<wgpu::SurfaceDescriptorFromMetalLayer> desc =
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std::make_unique<wgpu::SurfaceDescriptorFromMetalLayer>();
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desc->layer = [view layer];
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return std::move(desc);
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}
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} // namespace utils
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