MirPixelFormat MirDisplayConnection::default_pixel_format() const {
MirPixelFormat format;
unsigned int nformats;
mir_connection_get_available_surface_formats(connection_, &format, 1,
&nformats);
return format;
}
static void
get_pixel_formats (MirConnection *connection,
MirPixelFormat *sw_pixel_format,
MirPixelFormat *hw_pixel_format)
{
MirPixelFormat formats[mir_pixel_formats];
unsigned int n_formats, i;
mir_connection_get_available_surface_formats (connection, formats,
mir_pixel_formats, &n_formats);
if (sw_pixel_format)
{
*sw_pixel_format = mir_pixel_format_invalid;
for (i = 0; i < n_formats && *sw_pixel_format == mir_pixel_format_invalid; i++)
{
switch (formats[i])
{
case mir_pixel_format_abgr_8888:
case mir_pixel_format_xbgr_8888:
case mir_pixel_format_argb_8888:
case mir_pixel_format_xrgb_8888:
case mir_pixel_format_rgb_565:
*sw_pixel_format = formats[i];
break;
default:
break;
}
}
}
if (hw_pixel_format)
{
*hw_pixel_format = mir_pixel_format_invalid;
for (i = 0; i < n_formats && *hw_pixel_format == mir_pixel_format_invalid; i++)
{
switch (formats[i])
{
case mir_pixel_format_abgr_8888:
case mir_pixel_format_xbgr_8888:
case mir_pixel_format_argb_8888:
case mir_pixel_format_xrgb_8888:
case mir_pixel_format_rgb_565:
*hw_pixel_format = formats[i];
break;
default:
break;
}
}
}
}
/* FIXME Soon to be changed upstream mir! So we can use an egl config to figure out
the best pixel format!
*/
static MirPixelFormat findValidPixelFormat(void)
{
unsigned int i, validFormats, mirPixelFormats = 32;
MirPixelFormat formats[mir_pixel_formats];
mir_connection_get_available_surface_formats(_glfw.mir.connection, formats,
mirPixelFormats, &validFormats);
for (i = 0; i < validFormats; i++)
{
if (formats[i] == mir_pixel_format_abgr_8888 ||
formats[i] == mir_pixel_format_xbgr_8888 ||
formats[i] == mir_pixel_format_argb_8888 ||
formats[i] == mir_pixel_format_xrgb_8888)
{
return formats[i];
}
}
return mir_pixel_format_invalid;
}
int Mir_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
this->hidden->connection = mir_connect_sync(NULL, __PRETTY_FUNCTION__);
if (!mir_connection_is_valid(this->hidden->connection))
{
SDL_SetError("Failed to connect to the Mir Server: %s",
mir_connection_get_error_message(this->hidden->connection));
mir_connection_release(this->hidden->connection);
return -1;
}
MirPixelFormat formats[mir_pixel_formats];
Uint32 n_formats;
mir_connection_get_available_surface_formats (this->hidden->connection, formats,
mir_pixel_formats, &n_formats);
if (n_formats == 0 || formats[0] == mir_pixel_format_invalid)
{
SDL_SetError("No valid pixel formats found");
mir_connection_release(this->hidden->connection);
return -1;
}
this->hidden->pixel_format = formats[0];
vformat->BitsPerPixel = MIR_BYTES_PER_PIXEL(this->hidden->pixel_format) * 8;
Mir_InitQueue(this->hidden->buffer_queue);
Mir_ModeListUpdate(this);
mir_connection_set_display_config_change_callback(this->hidden->connection,
Mir_DisplayConfigChanged, this);
this->info.wm_available = 1;
return 0;
}
