Queries the currently set downscaling filter for a material layer
Extracts a texture handle for a specific layer.
Retrieves the type of the layer
Currently there is only one type of layer defined: %COGL_MATERIAL_LAYER_TYPE_TEXTURE, but considering we may add purely GLSL based layers in the future, you should write code that checks the type first.
Gets the wrap mode for the 'p' coordinate of texture lookups on this layer. 'p' is the third coordinate.
Gets the wrap mode for the 's' coordinate of texture lookups on this layer.
Gets the wrap mode for the 't' coordinate of texture lookups on this layer.
Queries the currently set downscaling filter for a material later