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-rw-r--r--cogl/cogl-pipeline-layer-state.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/cogl/cogl-pipeline-layer-state.c b/cogl/cogl-pipeline-layer-state.c
index 5c05d166..e0dd294c 100644
--- a/cogl/cogl-pipeline-layer-state.c
+++ b/cogl/cogl-pipeline-layer-state.c
@@ -1477,6 +1477,9 @@ cogl_pipeline_set_layer_filters (CoglPipeline *pipeline,
_COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline));
+ _COGL_RETURN_IF_FAIL (mag_filter == COGL_PIPELINE_FILTER_NEAREST ||
+ mag_filter == COGL_PIPELINE_FILTER_LINEAR);
+
/* Note: this will ensure that the layer exists, creating one if it
* doesn't already.
*