1 | /**************************************************************************/ |
2 | /* gl_manager_x11.h */ |
3 | /**************************************************************************/ |
4 | /* This file is part of: */ |
5 | /* GODOT ENGINE */ |
6 | /* https://godotengine.org */ |
7 | /**************************************************************************/ |
8 | /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ |
9 | /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ |
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20 | /* included in all copies or substantial portions of the Software. */ |
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29 | /**************************************************************************/ |
30 | |
31 | #ifndef GL_MANAGER_X11_H |
32 | #define GL_MANAGER_X11_H |
33 | |
34 | #if defined(X11_ENABLED) && defined(GLES3_ENABLED) |
35 | |
36 | #include "core/os/os.h" |
37 | #include "core/templates/local_vector.h" |
38 | #include "servers/display_server.h" |
39 | |
40 | #ifdef SOWRAP_ENABLED |
41 | #include "dynwrappers/xlib-so_wrap.h" |
42 | |
43 | #include "dynwrappers/xext-so_wrap.h" |
44 | #include "dynwrappers/xrender-so_wrap.h" |
45 | #else |
46 | #include <X11/XKBlib.h> |
47 | #include <X11/Xlib.h> |
48 | #include <X11/Xutil.h> |
49 | |
50 | #include <X11/extensions/Xext.h> |
51 | #include <X11/extensions/Xrender.h> |
52 | #include <X11/extensions/shape.h> |
53 | #endif |
54 | |
55 | struct GLManager_X11_Private; |
56 | |
57 | class GLManager_X11 { |
58 | public: |
59 | enum ContextType { |
60 | GLES_3_0_COMPATIBLE, |
61 | }; |
62 | |
63 | private: |
64 | // any data specific to the window |
65 | struct GLWindow { |
66 | bool in_use = false; |
67 | |
68 | // the external ID .. should match the GL window number .. unused I think |
69 | DisplayServer::WindowID window_id = DisplayServer::INVALID_WINDOW_ID; |
70 | int width = 0; |
71 | int height = 0; |
72 | ::Window x11_window; |
73 | int gldisplay_id = 0; |
74 | }; |
75 | |
76 | struct GLDisplay { |
77 | GLDisplay() {} |
78 | ~GLDisplay(); |
79 | GLManager_X11_Private *context = nullptr; |
80 | ::Display *x11_display = nullptr; |
81 | XVisualInfo x_vi = {}; |
82 | }; |
83 | |
84 | // just for convenience, window and display struct |
85 | struct XWinDisp { |
86 | ::Window x11_window; |
87 | ::Display *x11_display = nullptr; |
88 | } _x_windisp; |
89 | |
90 | LocalVector<GLWindow> _windows; |
91 | LocalVector<GLDisplay> _displays; |
92 | |
93 | GLWindow *_current_window = nullptr; |
94 | |
95 | void _internal_set_current_window(GLWindow *p_win); |
96 | |
97 | GLWindow &get_window(unsigned int id) { return _windows[id]; } |
98 | const GLWindow &get_window(unsigned int id) const { return _windows[id]; } |
99 | |
100 | const GLDisplay &get_current_display() const { return _displays[_current_window->gldisplay_id]; } |
101 | const GLDisplay &get_display(unsigned int id) { return _displays[id]; } |
102 | |
103 | bool double_buffer; |
104 | bool direct_render; |
105 | int glx_minor, glx_major; |
106 | bool use_vsync; |
107 | ContextType context_type; |
108 | |
109 | private: |
110 | int _find_or_create_display(Display *p_x11_display); |
111 | Error _create_context(GLDisplay &gl_display); |
112 | |
113 | public: |
114 | XVisualInfo get_vi(Display *p_display, Error &r_error); |
115 | Error window_create(DisplayServer::WindowID p_window_id, ::Window p_window, Display *p_display, int p_width, int p_height); |
116 | void window_destroy(DisplayServer::WindowID p_window_id); |
117 | void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height); |
118 | |
119 | void release_current(); |
120 | void make_current(); |
121 | void swap_buffers(); |
122 | |
123 | void window_make_current(DisplayServer::WindowID p_window_id); |
124 | |
125 | Error initialize(Display *p_display); |
126 | |
127 | void set_use_vsync(bool p_use); |
128 | bool is_using_vsync() const; |
129 | |
130 | void *get_glx_context(DisplayServer::WindowID p_window_id); |
131 | |
132 | GLManager_X11(const Vector2i &p_size, ContextType p_context_type); |
133 | ~GLManager_X11(); |
134 | }; |
135 | |
136 | #endif // X11_ENABLED && GLES3_ENABLED |
137 | |
138 | #endif // GL_MANAGER_X11_H |
139 | |