SDL  2.0
SDL_waylandopengles.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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_waylandvideo.h"
26 #include "SDL_waylandopengles.h"
27 #include "SDL_waylandwindow.h"
28 #include "SDL_waylandevents_c.h"
29 #include "SDL_waylanddyn.h"
30 
31 /* EGL implementation of SDL OpenGL ES support */
32 
33 int
34 Wayland_GLES_LoadLibrary(_THIS, const char *path) {
35  int ret;
37 
38  ret = SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) data->display, 0);
39 
41  WAYLAND_wl_display_flush(data->display);
42 
43  return ret;
44 }
45 
46 
49 {
51  context = SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
52  WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
53 
54  return context;
55 }
56 
57 int
59 {
60  if (SDL_EGL_SwapBuffers(_this, ((SDL_WindowData *) window->driverdata)->egl_surface) < 0) {
61  return -1;
62  }
63  WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
64  return 0;
65 }
66 
67 int
69 {
70  int ret;
71 
72  if (window && context) {
73  ret = SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context);
74  }
75  else {
76  ret = SDL_EGL_MakeCurrent(_this, NULL, NULL);
77  }
78 
79  WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
80 
81  return ret;
82 }
83 
84 void
86 {
87  SDL_EGL_DeleteContext(_this, context);
88  WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
89 }
90 
91 #endif /* SDL_VIDEO_DRIVER_WAYLAND && SDL_VIDEO_OPENGL_EGL */
92 
93 /* vi: set ts=4 sw=4 expandtab: */
struct wl_display * display
void Wayland_GLES_DeleteContext(_THIS, SDL_GLContext context)
static screen_context_t context
Definition: video.c:25
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_GLContext Wayland_GLES_CreateContext(_THIS, SDL_Window *window)
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:175
#define _THIS
int Wayland_GLES_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
int Wayland_GLES_SwapWindow(_THIS, SDL_Window *window)
#define NULL
Definition: begin_code.h:164
void Wayland_PumpEvents(_THIS)
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
The type used to identify a window.
Definition: SDL_sysvideo.h:73
EGLNativeDisplayType NativeDisplayType
Definition: eglplatform.h:110
GLsizei const GLchar *const * path
void * driverdata
Definition: SDL_sysvideo.h:111
int Wayland_GLES_LoadLibrary(_THIS, const char *path)