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2025-09-04 10:54:47 +08:00
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+/* Copyright (c) 2019-2025, Arm Limited and Contributors
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include <termios.h>
+#include <unistd.h>
+#include <vector>
+
+#include "common/vk_common.h"
+#include "platform/platform.h"
+#include "platform/window.h"
+
+namespace vkb
+{
+/**
+ * @brief Direct2Display window
+ */
+class DirectWindow : public Window
+{
+  public:
+	DirectWindow(Platform *platform, const Window::Properties &properties);
+
+	virtual ~DirectWindow();
+
+	virtual VkSurfaceKHR create_surface(vkb::core::InstanceC &instance) override;
+
+	virtual VkSurfaceKHR create_surface(VkInstance instance, VkPhysicalDevice physical_device) override;
+
+	virtual bool should_close() override;
+
+	virtual void process_events() override;
+
+	virtual void close() override;
+
+	virtual bool get_display_present_info(VkDisplayPresentInfoKHR *info,
+	                                      uint32_t src_width, uint32_t src_height) const override;
+
+	float get_dpi_factor() const override;
+
+	std::vector<const char *> get_required_surface_extensions() const override;
+
+  private:
+	void poll_terminal();
+
+  private:
+	mutable bool   keep_running = true;
+	Platform      *platform     = nullptr;
+	float          dpi;
+	int            tty_fd;
+	struct termios termio;
+	struct termios termio_prev;
+	KeyCode        key_down = KeyCode::Unknown;
+	Extent         full_extent{};
+};
+}        // namespace vkb