68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/* Copyright (c) 2018-2025, Arm Limited and Contributors
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*
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* SPDX-License-Identifier: Apache-2.0
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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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*/
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#include "headless_window.h"
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namespace vkb
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{
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HeadlessWindow::HeadlessWindow(const Window::Properties &properties) :
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Window(properties)
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{
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}
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VkSurfaceKHR HeadlessWindow::create_surface(vkb::core::InstanceC &instance)
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{
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return create_surface(instance.get_handle(), VK_NULL_HANDLE);
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}
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VkSurfaceKHR HeadlessWindow::create_surface(VkInstance instance, VkPhysicalDevice)
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{
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VkSurfaceKHR surface = VK_NULL_HANDLE;
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if (instance)
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{
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VkHeadlessSurfaceCreateInfoEXT info{};
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info.sType = VK_STRUCTURE_TYPE_HEADLESS_SURFACE_CREATE_INFO_EXT;
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VK_CHECK(vkCreateHeadlessSurfaceEXT(instance, &info, VK_NULL_HANDLE, &surface));
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}
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return surface;
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}
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bool HeadlessWindow::should_close()
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{
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return closed;
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}
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void HeadlessWindow::close()
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{
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closed = true;
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}
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float HeadlessWindow::get_dpi_factor() const
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{
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// This factor is used for scaling UI elements, so return 1.0f (1 x n = n)
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return 1.0f;
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}
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std::vector<const char *> HeadlessWindow::get_required_surface_extensions() const
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{
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return {VK_EXT_HEADLESS_SURFACE_EXTENSION_NAME};
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}
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} // namespace vkb
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