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mir: don't initialize the display if the required pixel formats aren't available

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Marco Trevisan (Treviño) 2014-12-01 18:05:30 +01:00
parent 83d8f9b929
commit cf64f8a76a
1 changed files with 47 additions and 25 deletions
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72
gdk/mir/gdkmirdisplay.c
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@ -62,7 +62,7 @@ typedef struct GdkMirDisplayClass
GdkDisplayClass parent_class;
} GdkMirDisplayClass;
static void initialize_pixel_formats (GdkMirDisplay *display);
static void get_pixel_formats (MirConnection *, MirPixelFormat *sw, MirPixelFormat *hw);
/**
* SECTION:mir_interaction
@ -104,6 +104,7 @@ GdkDisplay *
_gdk_mir_display_open (const gchar *display_name)
{
MirConnection *connection;
MirPixelFormat sw_pixel_format, hw_pixel_format;
GdkMirDisplay *display;
g_printerr ("gdk_mir_display_open\n");
@ -111,6 +112,7 @@ _gdk_mir_display_open (const gchar *display_name)
connection = mir_connect_sync (NULL, "GDK-Mir");
if (!connection)
return NULL;
if (!mir_connection_is_valid (connection))
{
g_printerr ("Failed to connect to Mir: %s\n", mir_connection_get_error_message (connection));
@ -118,12 +120,23 @@ _gdk_mir_display_open (const gchar *display_name)
return NULL;
}
get_pixel_formats (connection, &sw_pixel_format, &hw_pixel_format);
if (sw_pixel_format == mir_pixel_format_invalid ||
hw_pixel_format == mir_pixel_format_invalid)
{
g_printerr ("Mir display does not support required pixel formats\n");
mir_connection_release (connection);
return NULL;
}
display = g_object_new (GDK_TYPE_MIR_DISPLAY, NULL);
display->connection = connection;
GDK_DISPLAY (display)->device_manager = _gdk_mir_device_manager_new (GDK_DISPLAY (display));
display->screen = _gdk_mir_screen_new (GDK_DISPLAY (display));
initialize_pixel_formats (display);
display->sw_pixel_format = sw_pixel_format;
display->hw_pixel_format = hw_pixel_format;
g_signal_emit_by_name (display, "opened");
@ -501,41 +514,50 @@ gdk_mir_display_utf8_to_string_target (GdkDisplay *display,
}
static void
initialize_pixel_formats (GdkMirDisplay *display)
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 (display->connection, formats,
mir_connection_get_available_surface_formats (connection, formats,
mir_pixel_formats, &n_formats);
display->sw_pixel_format = mir_pixel_format_invalid;
display->hw_pixel_format = mir_pixel_format_invalid;
for (i = 0; i < n_formats; i++)
if (sw_pixel_format)
{
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:
display->hw_pixel_format = formats[i];
break;
default:
continue;
}
*sw_pixel_format = mir_pixel_format_invalid;
if (display->hw_pixel_format != mir_pixel_format_invalid)
break;
for (i = 0; i < n_formats; i++)
{
if (formats[i] == mir_pixel_format_argb_8888)
{
*sw_pixel_format = formats[i];
break;
}
}
}
for (i = 0; i < n_formats; i++)
if (hw_pixel_format)
{
if (formats[i] == mir_pixel_format_argb_8888)
*hw_pixel_format = mir_pixel_format_invalid;
for (i = 0; i < n_formats; i++)
{
display->sw_pixel_format = formats[i];
break;
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:
*hw_pixel_format = formats[i];
break;
default:
continue;
}
if (*hw_pixel_format != mir_pixel_format_invalid)
break;
}
}
}