Robert Bragg bc3a26d035 material: Adds _cogl_material_get_layer_texture
This is a counter part for _cogl_material_layer_get_texture which takes
a layer index instead of a direct CoglMaterialLayer pointer. The aim is
to phase out code that directly iterates the internal layer pointers of
a material since the layer pointers can change if any property of any
layer is changed making direct layer pointers very fragile.
2010-10-26 13:06:54 +01:00
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