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Diffstat (limited to 'platform/linuxbsd/gl_manager_x11.h')
| -rw-r--r-- | platform/linuxbsd/gl_manager_x11.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/platform/linuxbsd/gl_manager_x11.h b/platform/linuxbsd/gl_manager_x11.h new file mode 100644 index 0000000000..fb2c74a2b6 --- /dev/null +++ b/platform/linuxbsd/gl_manager_x11.h @@ -0,0 +1,127 @@ +/*************************************************************************/ +/* gl_manager_x11.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +#ifndef GL_MANAGER_X11_H +#define GL_MANAGER_X11_H + +#ifdef X11_ENABLED + +#ifdef GLES3_ENABLED + +#include "core/os/os.h" +#include "core/templates/local_vector.h" +#include "servers/display_server.h" +#include <X11/Xlib.h> +#include <X11/extensions/Xrender.h> + +struct GLManager_X11_Private; + +class GLManager_X11 { +public: + enum ContextType { + GLES_3_0_COMPATIBLE, + }; + +private: + // any data specific to the window + struct GLWindow { + bool in_use = false; + + // the external ID .. should match the GL window number .. unused I think + DisplayServer::WindowID window_id = DisplayServer::INVALID_WINDOW_ID; + int width = 0; + int height = 0; + ::Window x11_window; + int gldisplay_id = 0; + }; + + struct GLDisplay { + GLDisplay() { context = nullptr; } + ~GLDisplay(); + GLManager_X11_Private *context = nullptr; + ::Display *x11_display; + XVisualInfo x_vi; + XSetWindowAttributes x_swa; + unsigned long x_valuemask; + }; + + // just for convenience, window and display struct + struct XWinDisp { + ::Window x11_window; + ::Display *x11_display; + } _x_windisp; + + LocalVector<GLWindow> _windows; + LocalVector<GLDisplay> _displays; + + GLWindow *_current_window = nullptr; + + void _internal_set_current_window(GLWindow *p_win); + + 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 double_buffer; + bool direct_render; + int glx_minor, glx_major; + bool use_vsync; + ContextType context_type; + +private: + int _find_or_create_display(Display *p_x11_display); + Error _create_context(GLDisplay &gl_display); + +public: + Error window_create(DisplayServer::WindowID p_window_id, ::Window p_window, Display *p_display, 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 make_current(); + void swap_buffers(); + + void window_make_current(DisplayServer::WindowID p_window_id); + + Error initialize(); + + void set_use_vsync(bool p_use); + bool is_using_vsync() const; + + GLManager_X11(const Vector2i &p_size, ContextType p_context_type); + ~GLManager_X11(); +}; + +#endif // GLES3_ENABLED +#endif // X11_ENABLED + +#endif // GL_MANAGER_X11_H |