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2025-09-04 10:54:47 +08:00
commit 6bc8f61b18
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+/* Copyright (c) 2023-2025, Holochip Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 "ios_window.h"
+#include <UIKit/UIScreen.h>
+#include <UIKit/UIWindow.h>
+
+#include "platform/ios/ios_platform.h"
+
+namespace vkb
+{
+IosWindow::IosWindow(IosPlatform *platform, const Window::Properties &properties) :
+    Window(properties),
+    platform{platform}
+{
+}
+
+VkSurfaceKHR IosWindow::create_surface(vkb::core::InstanceC &instance)
+{
+	return create_surface(instance.get_handle(), VK_NULL_HANDLE);
+}
+
+VkSurfaceKHR IosWindow::create_surface(VkInstance instance, VkPhysicalDevice)
+{
+	if (instance == VK_NULL_HANDLE || properties.mode == Mode::Headless)
+	{
+		return VK_NULL_HANDLE;
+	}
+
+	VkSurfaceKHR surface{};
+
+	VkMetalSurfaceCreateInfoEXT info{VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT};
+
+    view = (VulkanView*)platform->view;
+	info.pLayer = (CAMetalLayer *) [view layer];
+
+	VK_CHECK(vkCreateMetalSurfaceEXT(instance, &info, nullptr, &surface));
+
+	return surface;
+}
+
+void IosWindow::process_events()
+{
+}
+
+bool IosWindow::should_close()
+{
+	return finish_called;
+}
+
+void IosWindow::close()
+{
+	finish_called = true;
+}
+
+float IosWindow::get_dpi_factor() const
+{
+	return 1.0;
+}
+
+float IosWindow::get_content_scale_factor() const
+{
+	return [[UIScreen mainScreen] nativeScale];
+}
+
+std::vector<const char *> IosWindow::get_required_surface_extensions() const
+{
+	return {VK_EXT_METAL_SURFACE_EXTENSION_NAME};
+}
+}        // namespace vkb
+
+@implementation VulkanView
+(Class) layerClass { return [CAMetalLayer class]; }
+@end