[core] Don't use GL_LINEAR if panning w/o rotation nor pitch

1 files changed, 16 insertions, 0 deletions

diff --git a/test/api/annotations.test.cpp b/test/api/annotations.test.cpp
index 06a0a61b0a..be71ba85c9 100644
--- a/test/api/annotations.test.cpp
+++ b/test/api/annotations.test.cpp
@@ -49,6 +49,7 @@ TEST(Annotations, SymbolAnnotation) {
     auto screenBox = ScreenBox { {}, { double(size.width), double(size.height) } };
     auto features = test.map.queryPointAnnotations(screenBox);
     EXPECT_EQ(features.size(), 1u);
+    test.checkRendering("point_annotation");
 
     test.map.setZoom(test.map.getMaxZoom());
     test.checkRendering("point_annotation");
@@ -57,6 +58,21 @@ TEST(Annotations, SymbolAnnotation) {
     EXPECT_EQ(features.size(), 1u);
 }
 
+TEST(Annotations, SymbolLinearInterpolation)
+{
+    AnnotationTest test;
+
+    test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
+    test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
+    test.map.addAnnotation(SymbolAnnotation { Point<double>(0.15, 0.15), "default_marker" });
+    test.checkRendering("point_annotation");
+
+    // Should not trigger GL_LINEAR when binding the symbol shader.
+    test.map.setGestureInProgress(true);
+    test.map.moveBy({});
+    test.checkRendering("point_annotation");
+}
+
 TEST(Annotations, LineAnnotation) {
     AnnotationTest test;