/**
* Allocates a surface and an OpenGL context for video output.
*/
static int Open (vlc_object_t *obj)
{
vout_display_t *vd = (vout_display_t *)obj;
vout_display_sys_t *sys = malloc (sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
sys->gl = NULL;
sys->pool = NULL;
sys->window = MakeWindow (vd);
if (sys->window == NULL)
goto error;
sys->gl = vlc_gl_Create (sys->window, API, "$" MODULE_VARNAME);
if (sys->gl == NULL)
goto error;
if (vlc_gl_MakeCurrent (sys->gl))
goto error;
/* Initialize video display */
sys->vgl = vout_display_opengl_New (&vd->fmt, NULL, sys->gl);
if (!sys->vgl)
goto error;
vd->sys = sys;
vd->info.has_pictures_invalid = false;
vd->info.has_event_thread = false;
vd->pool = Pool;
vd->prepare = PictureRender;
vd->display = PictureDisplay;
vd->control = Control;
vd->manage = NULL;
return VLC_SUCCESS;
error:
if (sys->gl != NULL)
vlc_gl_Destroy (sys->gl);
if (sys->window != NULL)
vout_display_DeleteWindow (vd, sys->window);
free (sys);
return VLC_EGENERIC;
}
static void ClearSurface(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
if (sys->p_window->b_opaque)
{
/* Clear the surface to black with OpenGL ES 2 */
char *modlist = var_InheritString(sys->embed, "gles2");
vlc_gl_t *gl = vlc_gl_Create(vd->cfg, VLC_OPENGL_ES2, modlist);
free(modlist);
if (gl == NULL)
return;
if (vlc_gl_MakeCurrent(gl))
goto end;
vlc_gl_Resize(gl, 1, 1);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT);
vlc_gl_Swap(gl);
vlc_gl_ReleaseCurrent(gl);
end:
vlc_gl_Release(gl);
}
else
{
android_window *p_window = sys->p_window;
ANativeWindow_Buffer buf;
if (sys->anw->setBuffersGeometry(p_window->p_surface, 1, 1,
WINDOW_FORMAT_RGB_565) == 0
&& sys->anw->winLock(p_window->p_surface, &buf, NULL) == 0)
{
uint16_t *p_bit = buf.bits;
p_bit[0] = 0x0000;
sys->anw->unlockAndPost(p_window->p_surface);
}
}
}