[cogl] pipeline: Expose min/mag filter getters

[Robert Bragg <rbragg src gnome org>]

commit 31097c04880598b7468bd8431143be98d46fea66
Author: Robert Bragg <robert linux intel com>
Date:   Sat Feb 18 18:17:11 2012 +0000

    pipeline: Expose min/mag filter getters
    
    This exposes cogl_pipeline_get_layer_{min,max}_filter functions so that
    applications can query back the filters set using
    cogl_pipeline_set_layer_filters().
    
    Reviewed-by: Neil Roberts <neil linux intel com>

 cogl/cogl-pipeline-layer-state.c |    8 +++---
 cogl/cogl-pipeline-layer-state.h |   42 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 4 deletions(-)
---
diff --git a/cogl/cogl-pipeline-layer-state.c b/cogl/cogl-pipeline-layer-state.c
index b9f5118..742a3d8 100644
--- a/cogl/cogl-pipeline-layer-state.c
+++ b/cogl/cogl-pipeline-layer-state.c
@@ -1526,8 +1526,8 @@ _cogl_pipeline_get_layer_filters (CoglPipeline *pipeline,
 }
 
 CoglPipelineFilter
-_cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline,
-                                     int layer_index)
+cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline,
+                                    int layer_index)
 {
   CoglPipelineFilter min_filter;
   CoglPipelineFilter mag_filter;
@@ -1538,8 +1538,8 @@ _cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline,
 }
 
 CoglPipelineFilter
-_cogl_pipeline_get_layer_mag_filter (CoglPipeline *pipeline,
-                                     int layer_index)
+cogl_pipeline_get_layer_mag_filter (CoglPipeline *pipeline,
+                                    int layer_index)
 {
   CoglPipelineFilter min_filter;
   CoglPipelineFilter mag_filter;
diff --git a/cogl/cogl-pipeline-layer-state.h b/cogl/cogl-pipeline-layer-state.h
index b8dbef3..bfe0483 100644
--- a/cogl/cogl-pipeline-layer-state.h
+++ b/cogl/cogl-pipeline-layer-state.h
@@ -370,6 +370,48 @@ cogl_pipeline_set_layer_filters (CoglPipeline      *pipeline,
                                  CoglPipelineFilter mag_filter);
 
 /**
+ * cogl_pipeline_get_layer_min_filter:
+ * @pipeline: A #CoglPipeline object
+ * @layer_index: the layer number to change.
+ *
+ * Retrieves the currently set minification #CoglPipelineFilter set on
+ * the specified layer. The miniifcation filter determines how the
+ * layer should be sampled when down-scaled.
+ *
+ * The default filter is %COGL_PIPELINE_FILTER_LINEAR but this can be
+ * changed using cogl_pipeline_set_layer_filters().
+ *
+ * Return value: The minification #CoglPipelineFilter for the
+ *               specified layer.
+ * Since: 1.10
+ * Stability: unstable
+ */
+CoglPipelineFilter
+cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline,
+                                    int layer_index);
+
+/**
+ * cogl_pipeline_get_layer_mag_filter:
+ * @pipeline: A #CoglPipeline object
+ * @layer_index: the layer number to change.
+ *
+ * Retrieves the currently set magnification #CoglPipelineFilter set on
+ * the specified layer. The magnification filter determines how the
+ * layer should be sampled when up-scaled.
+ *
+ * The default filter is %COGL_PIPELINE_FILTER_LINEAR but this can be
+ * changed using cogl_pipeline_set_layer_filters().
+ *
+ * Return value: The magnification #CoglPipelineFilter for the
+ *               specified layer.
+ * Since: 1.10
+ * Stability: unstable
+ */
+CoglPipelineFilter
+cogl_pipeline_get_layer_mag_filter (CoglPipeline *pipeline,
+                                    int layer_index);
+
+/**
  * cogl_pipeline_set_layer_point_sprite_coords_enabled:
  * @pipeline: a #CoglHandle to a pipeline.
  * @layer_index: the layer number to change.