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texture: Add more validation on the material

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If set_cogl_texture() is called after unsetting the Texture's material
then we really want to make a copy of the template.

Also, we should assert more often if the internal state goes horribly
wrong: at least, we'll have a backtrace.
This commit is contained in:
Emmanuele Bassi 2010-09-18 08:41:52 +01:00
parent 66104f5112
commit 7fe0df393b
1 changed files with 9 additions and 1 deletions
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10
clutter/clutter-texture.c
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@ -1271,6 +1271,7 @@ clutter_texture_init (ClutterTexture *self)
cogl_handle_unref (dummy_tex);
}
g_assert (texture_template_material != NULL);
priv->material = cogl_material_copy (texture_template_material);
}
@ -1356,13 +1357,16 @@ clutter_texture_set_cogl_material (ClutterTexture *texture,
CoglHandle
clutter_texture_get_cogl_texture (ClutterTexture *texture)
{
ClutterTexturePrivate *priv;
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);
priv = texture->priv;
layers = cogl_material_get_layers (priv->material);
if (layers == NULL)
return COGL_INVALID_HANDLE;
@ -1421,6 +1425,10 @@ clutter_texture_set_cogl_texture (ClutterTexture *texture,
texture_free_gl_resources (texture);
/* Use the new texture */
if (priv->material == NULL)
priv->material = cogl_material_copy (texture_template_material);
g_assert (priv->material != NULL);
cogl_material_set_layer (priv->material, 0, cogl_tex);
/* The material now holds a reference to the texture so we can