SDL  2.0
SDL_miropengl.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2016 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 
22 /*
23  Contributed by Brandon Schaefer, <brandon.schaefer@canonical.com>
24 */
25 
26 #include "../../SDL_internal.h"
27 
28 #if SDL_VIDEO_DRIVER_MIR
29 
30 #include "SDL_miropengl.h"
31 
32 #include "SDL_mirdyn.h"
33 
34 void
36 {
37  MIR_Window* mir_wind = window->driverdata;
38 
39  SDL_EGL_SwapBuffers(_this, mir_wind->egl_surface);
40 }
41 
42 int
44 {
45  if (window) {
46  EGLSurface egl_surface = ((MIR_Window*)window->driverdata)->egl_surface;
47  return SDL_EGL_MakeCurrent(_this, egl_surface, context);
48  }
49 
50  return SDL_EGL_MakeCurrent(_this, NULL, NULL);
51 }
52 
55 {
56  MIR_Window* mir_window = window->driverdata;
57 
58  SDL_GLContext context;
59  context = SDL_EGL_CreateContext(_this, mir_window->egl_surface);
60 
61  return context;
62 }
63 
64 int
65 MIR_GL_LoadLibrary(_THIS, const char* path)
66 {
67  MIR_Data* mir_data = _this->driverdata;
68 
69  SDL_EGL_LoadLibrary(_this, path, MIR_mir_connection_get_egl_native_display(mir_data->connection));
70 
71  SDL_EGL_ChooseConfig(_this);
72 
73  return 0;
74 }
75 
76 void
78 {
79  SDL_EGL_UnloadLibrary(_this);
80 }
81 
82 void*
83 MIR_GL_GetProcAddress(_THIS, const char* proc)
84 {
85  void* proc_addr = SDL_EGL_GetProcAddress(_this, proc);
86 
87  if (!proc_addr) {
88  SDL_SetError("Failed to find proc address!");
89  }
90 
91  return proc_addr;
92 }
93 
94 #endif /* SDL_VIDEO_DRIVER_MIR */
95 
96 /* vi: set ts=4 sw=4 expandtab: */
void MIR_GL_UnloadLibrary(_THIS)
SDL_Window * window
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
MirConnection * connection
Definition: SDL_mirvideo.h:34
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:164
SDL_GLContext MIR_GL_CreateContext(_THIS, SDL_Window *window)
#define _THIS
int MIR_GL_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
void * MIR_GL_GetProcAddress(_THIS, const char *proc)
#define NULL
Definition: begin_code.h:143
EGLSurface egl_surface
Definition: SDL_mirwindow.h:39
#define SDL_SetError
The type used to identify a window.
Definition: SDL_sysvideo.h:71
GLsizei const GLchar *const * path
void * driverdata
Definition: SDL_sysvideo.h:106
void MIR_GL_SwapWindow(_THIS, SDL_Window *window)
int MIR_GL_LoadLibrary(_THIS, const char *path)