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-rw-r--r--gsk/gskrendernodeimpl.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/gsk/gskrendernodeimpl.c b/gsk/gskrendernodeimpl.c
index 767e7f87c7..5fa0dbc46a 100644
--- a/gsk/gskrendernodeimpl.c
+++ b/gsk/gskrendernodeimpl.c
@@ -2331,6 +2331,28 @@ gsk_color_matrix_node_draw (GskRenderNode *node,
cairo_pattern_destroy (pattern);
}
+static void
+gsk_color_matrix_node_diff (GskRenderNode *node1,
+ GskRenderNode *node2,
+ cairo_region_t *region)
+{
+ GskColorMatrixNode *self1 = (GskColorMatrixNode *) node1;
+ GskColorMatrixNode *self2 = (GskColorMatrixNode *) node2;
+
+ if (!graphene_vec4_equal (&self1->color_offset, &self2->color_offset))
+ goto nope;
+
+ if (!graphene_matrix_equal_fast (&self1->color_matrix, &self2->color_matrix))
+ goto nope;
+
+ gsk_render_node_diff (self1->child, self2->child, region);
+ return;
+
+nope:
+ gsk_render_node_diff_impossible (node1, node2, region);
+ return;
+}
+
/**
* gsk_color_matrix_node_new:
* @child: The node to draw
@@ -4311,7 +4333,7 @@ gsk_render_node_init_types_once (void)
gsk_color_matrix_node_finalize,
gsk_color_matrix_node_draw,
NULL,
- NULL,
+ gsk_color_matrix_node_diff,
};
GType node_type = gsk_render_node_type_register_static (I_("GskColorMatrixNode"), &node_info);