initial commit, 4.5 stable

platform/windows/gl_manager_windows_native.h

@@ -0,0 +1,105 @@
+/**************************************************************************/
+/*  gl_manager_windows_native.h                                           */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#if defined(WINDOWS_ENABLED) && defined(GLES3_ENABLED)
+
+#include "core/os/os.h"
+#include "core/templates/local_vector.h"
+#include "servers/display_server.h"
+
+#include <windows.h>
+
+typedef bool(APIENTRY *PFNWGLSWAPINTERVALEXTPROC)(int interval);
+typedef int(APIENTRY *PFNWGLGETSWAPINTERVALEXTPROC)(void);
+
+class GLManagerNative_Windows {
+private:
+	// any data specific to the window
+	struct GLWindow {
+		bool use_vsync = false;
+
+		// windows specific
+		HDC hDC;
+		HWND hwnd;
+
+		int gldisplay_id = 0;
+	};
+
+	struct GLDisplay {
+		// windows specific
+		HGLRC hRC;
+	};
+
+	RBMap<DisplayServer::WindowID, GLWindow> _windows;
+	LocalVector<GLDisplay> _displays;
+
+	GLWindow *_current_window = nullptr;
+
+	PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT = nullptr;
+
+	GLWindow &get_window(unsigned int id) { return _windows[id]; }
+	const GLWindow &get_window(unsigned int id) const { return _windows[id]; }
+
+	const GLDisplay &get_current_display() const { return _displays[_current_window->gldisplay_id]; }
+	const GLDisplay &get_display(unsigned int id) { return _displays[id]; }
+
+	bool direct_render;
+	int glx_minor, glx_major;
+
+private:
+	void _nvapi_setup_profile();
+	int _find_or_create_display(GLWindow &win);
+	Error _create_context(GLWindow &win, GLDisplay &gl_display);
+
+public:
+	Error window_create(DisplayServer::WindowID p_window_id, HWND p_hwnd, HINSTANCE p_hinstance, int p_width, int p_height);
+	void window_destroy(DisplayServer::WindowID p_window_id);
+	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {}
+
+	void release_current();
+	void swap_buffers();
+
+	void window_make_current(DisplayServer::WindowID p_window_id);
+
+	Error initialize();
+
+	void set_use_vsync(DisplayServer::WindowID p_window_id, bool p_use);
+	bool is_using_vsync(DisplayServer::WindowID p_window_id) const;
+
+	HDC get_hdc(DisplayServer::WindowID p_window_id);
+	HGLRC get_hglrc(DisplayServer::WindowID p_window_id);
+
+	GLManagerNative_Windows();
+	~GLManagerNative_Windows();
+};
+
+#endif // WINDOWS_ENABLED && GLES3_ENABLED