void
_clutter_actor_shader_post_paint (ClutterActor *actor)
{
ShaderData *shader_data;
ClutterShader *shader;
shader_data = g_object_get_data (G_OBJECT (actor), "-clutter-actor-shader-data");
if (G_LIKELY (shader_data == NULL))
return;
shader = shader_data->shader;
if (shader != NULL)
{
ClutterActor *head;
clutter_shader_set_is_enabled (shader, FALSE);
/* remove the actor from the shaders stack; if there is another
* actor inside it, then call pre-paint again to set its shader
* but this time with the second argument being TRUE, indicating
* that we are re-applying an existing shader and thus should it
* not be prepended to the stack
*/
head = _clutter_context_pop_shader_stack (actor);
if (head != NULL)
_clutter_actor_shader_pre_paint (head, TRUE);
}
}
static void
clutter_shader_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterShader *shader = CLUTTER_SHADER(object);
switch (prop_id)
{
case PROP_VERTEX_SOURCE:
clutter_shader_set_vertex_source (shader,
g_value_get_string (value), -1);
break;
case PROP_FRAGMENT_SOURCE:
clutter_shader_set_fragment_source (shader,
g_value_get_string (value), -1);
break;
case PROP_ENABLED:
clutter_shader_set_is_enabled (shader, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
void
_clutter_actor_shader_pre_paint (ClutterActor *actor,
gboolean repeat)
{
ShaderData *shader_data;
ClutterShader *shader;
shader_data = g_object_get_data (G_OBJECT (actor), "-clutter-actor-shader-data");
if (shader_data == NULL)
return;
shader = shader_data->shader;
if (shader != NULL)
{
clutter_shader_set_is_enabled (shader, TRUE);
g_hash_table_foreach (shader_data->value_hash, set_each_param, shader);
if (!repeat)
_clutter_context_push_shader_stack (actor);
}
}
