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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.
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@ -926,6 +926,10 @@ _cogl_material_layer_get_authority (CoglMaterialLayer *layer,
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CoglHandle
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_cogl_material_layer_get_texture (CoglMaterialLayer *layer);
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CoglHandle
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_cogl_material_get_layer_texture (CoglMaterial *material,
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int layer_index);
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typedef gboolean (*CoglMaterialInternalLayerCallback) (CoglMaterialLayer *layer,
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void *user_data);
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@ -1970,6 +1970,15 @@ _cogl_material_layer_get_texture (CoglMaterialLayer *layer)
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return authority->texture;
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}
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CoglHandle
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_cogl_material_get_layer_texture (CoglMaterial *material,
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int layer_index)
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{
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CoglMaterialLayer *layer =
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_cogl_material_get_layer (material, layer_index);
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return _cogl_material_layer_get_texture (layer);
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}
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static void
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_cogl_material_prune_empty_layer_difference (CoglMaterial *layers_authority,
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CoglMaterialLayer *layer)
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