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			126 lines
		
	
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  gl_manager_x11.h                                                     */
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| /*************************************************************************/
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| /*                       This file is part of:                           */
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| /*                           GODOT ENGINE                                */
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| /*                      https://godotengine.org                          */
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| /*************************************************************************/
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| /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
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| /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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| /*                                                                       */
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| /* Permission is hereby granted, free of charge, to any person obtaining */
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| /* a copy of this software and associated documentation files (the       */
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| /* "Software"), to deal in the Software without restriction, including   */
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| /* without limitation the rights to use, copy, modify, merge, publish,   */
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| /* distribute, sublicense, and/or sell copies of the Software, and to    */
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| /* permit persons to whom the Software is furnished to do so, subject to */
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| /* the following conditions:                                             */
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| /*                                                                       */
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| /* The above copyright notice and this permission notice shall be        */
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| /* included in all copies or substantial portions of the Software.       */
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| /*                                                                       */
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| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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| /*************************************************************************/
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| 
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| #ifndef GL_MANAGER_X11_H
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| #define GL_MANAGER_X11_H
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| 
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| #ifdef X11_ENABLED
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| 
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| #ifdef GLES3_ENABLED
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| 
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| #include "core/os/os.h"
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| #include "core/templates/local_vector.h"
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| #include "servers/display_server.h"
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| #include <X11/Xlib.h>
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| #include <X11/extensions/Xrender.h>
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| 
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| struct GLManager_X11_Private;
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| 
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| class GLManager_X11 {
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| public:
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| 	enum ContextType {
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| 		GLES_3_0_COMPATIBLE,
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| 	};
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| 
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| private:
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| 	// any data specific to the window
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| 	struct GLWindow {
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| 		bool in_use = false;
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| 
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| 		// the external ID .. should match the GL window number .. unused I think
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| 		DisplayServer::WindowID window_id = DisplayServer::INVALID_WINDOW_ID;
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| 		int width = 0;
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| 		int height = 0;
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| 		::Window x11_window;
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| 		int gldisplay_id = 0;
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| 	};
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| 
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| 	struct GLDisplay {
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| 		GLDisplay() { context = nullptr; }
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| 		~GLDisplay();
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| 		GLManager_X11_Private *context = nullptr;
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| 		::Display *x11_display;
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| 		XVisualInfo x_vi;
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| 	};
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| 
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| 	// just for convenience, window and display struct
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| 	struct XWinDisp {
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| 		::Window x11_window;
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| 		::Display *x11_display;
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| 	} _x_windisp;
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| 
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| 	LocalVector<GLWindow> _windows;
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| 	LocalVector<GLDisplay> _displays;
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| 
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| 	GLWindow *_current_window = nullptr;
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| 
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| 	void _internal_set_current_window(GLWindow *p_win);
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| 
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| 	GLWindow &get_window(unsigned int id) { return _windows[id]; }
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| 	const GLWindow &get_window(unsigned int id) const { return _windows[id]; }
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| 
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| 	const GLDisplay &get_current_display() const { return _displays[_current_window->gldisplay_id]; }
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| 	const GLDisplay &get_display(unsigned int id) { return _displays[id]; }
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| 
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| 	bool double_buffer;
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| 	bool direct_render;
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| 	int glx_minor, glx_major;
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| 	bool use_vsync;
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| 	ContextType context_type;
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| 
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| private:
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| 	int _find_or_create_display(Display *p_x11_display);
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| 	Error _create_context(GLDisplay &gl_display);
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| 
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| public:
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| 	XVisualInfo get_vi(Display *p_display);
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| 	Error window_create(DisplayServer::WindowID p_window_id, ::Window p_window, Display *p_display, int p_width, int p_height);
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| 	void window_destroy(DisplayServer::WindowID p_window_id);
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| 	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height);
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| 
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| 	void release_current();
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| 	void make_current();
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| 	void swap_buffers();
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| 
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| 	void window_make_current(DisplayServer::WindowID p_window_id);
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| 
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| 	Error initialize();
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| 
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| 	void set_use_vsync(bool p_use);
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| 	bool is_using_vsync() const;
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| 
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| 	GLManager_X11(const Vector2i &p_size, ContextType p_context_type);
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| 	~GLManager_X11();
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| };
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| 
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| #endif // GLES3_ENABLED
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| #endif // X11_ENABLED
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| 
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| #endif // GL_MANAGER_X11_H
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