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texture: Do some more validation in get_cogl_texture()

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Check the layer type, even though right now we only have one type
available.
This commit is contained in:
Emmanuele Bassi 2010-09-06 17:50:57 +01:00
parent 7e56a98413
commit 128e981f6c
1 changed files with 8 additions and 1 deletions
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9
clutter/clutter-texture.c
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@ -1306,7 +1306,6 @@ clutter_texture_set_cogl_material (ClutterTexture *texture,
cogl_handle_ref (cogl_material);
/* This */
if (texture->priv->material)
cogl_handle_unref (texture->priv->material);
@ -1341,16 +1340,24 @@ clutter_texture_set_cogl_material (ClutterTexture *texture,
CoglHandle
clutter_texture_get_cogl_texture (ClutterTexture *texture)
{
CoglMaterialLayerType layer_type;
const GList *layers;
int n_layers;
g_return_val_if_fail (CLUTTER_IS_TEXTURE (texture), COGL_INVALID_HANDLE);
layers = cogl_material_get_layers (texture->priv->material);
if (layers == NULL)
return COGL_INVALID_HANDLE;
n_layers = g_list_length ((GList *)layers);
if (n_layers == 0)
return COGL_INVALID_HANDLE;
layer_type = cogl_material_layer_get_type (layers->data);
if (layer_type != COGL_MATERIAL_LAYER_TYPE_TEXTURE)
return COGL_INVALID_HANDLE;
return cogl_material_layer_get_texture (layers->data);
}