1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20*/
21#include "../../SDL_internal.h"
22
23#if SDL_VIDEO_DRIVER_WAYLAND && SDL_VIDEO_OPENGL_EGL
24
25#include "../SDL_sysvideo.h"
26#include "../../events/SDL_windowevents_c.h"
27#include "SDL_waylandvideo.h"
28#include "SDL_waylandopengles.h"
29#include "SDL_waylandwindow.h"
30#include "SDL_waylandevents_c.h"
31#include "SDL_waylanddyn.h"
32
33#include "xdg-shell-client-protocol.h"
34#include "xdg-shell-unstable-v6-client-protocol.h"
35
36/* EGL implementation of SDL OpenGL ES support */
37
38int
39Wayland_GLES_LoadLibrary(_THIS, const char *path) {
40 int ret;
41 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
42
43 ret = SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) data->display, 0);
44
45 Wayland_PumpEvents(_this);
46 WAYLAND_wl_display_flush(data->display);
47
48 return ret;
49}
50
51
52SDL_GLContext
53Wayland_GLES_CreateContext(_THIS, SDL_Window * window)
54{
55 SDL_GLContext context;
56 context = SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
57 WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
58
59 return context;
60}
61
62int
63Wayland_GLES_SwapWindow(_THIS, SDL_Window *window)
64{
65 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
66
67 if (SDL_EGL_SwapBuffers(_this, data->egl_surface) < 0) {
68 return -1;
69 }
70
71 // Wayland-EGL forbids drawing calls in-between SwapBuffers and wl_egl_window_resize
72 Wayland_HandlePendingResize(window);
73
74 WAYLAND_wl_display_flush( data->waylandData->display );
75
76 return 0;
77}
78
79int
80Wayland_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
81{
82 int ret;
83
84 if (window && context) {
85 ret = SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context);
86 }
87 else {
88 ret = SDL_EGL_MakeCurrent(_this, NULL, NULL);
89 }
90
91 WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
92
93 return ret;
94}
95
96void
97Wayland_GLES_GetDrawableSize(_THIS, SDL_Window * window, int * w, int * h)
98{
99 SDL_WindowData *data;
100 if (window->driverdata) {
101 data = (SDL_WindowData *) window->driverdata;
102
103 if (w) {
104 *w = window->w * data->scale_factor;
105 }
106
107 if (h) {
108 *h = window->h * data->scale_factor;
109 }
110 }
111}
112
113void
114Wayland_GLES_DeleteContext(_THIS, SDL_GLContext context)
115{
116 SDL_EGL_DeleteContext(_this, context);
117 WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
118}
119
120#endif /* SDL_VIDEO_DRIVER_WAYLAND && SDL_VIDEO_OPENGL_EGL */
121
122/* vi: set ts=4 sw=4 expandtab: */
123