Add Tile LOD controls (#2958)

Co-authored-by: Bart Louwers <bart@emeel.net>
Co-authored-by: Adrian Cojocaru <adrian.cojocaru92@yahoo.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

test/include/mbgl/test/util.hpp

@@ -74,5 +74,12 @@ void checkImage(const std::string& base,
                 double imageThreshold = 0,
                 double pixelThreshold = 0);
 
+void checkImages(const std::vector<std::string>& possibleExpected,
+                 const PremultipliedImage& actual,
+                 double imageThreshold = 0,
+                 double pixelThreshold = 0);
+
+double getImageDiff(const std::string& base, const PremultipliedImage& actual, double pixelThreshold = 0);
+
 } // namespace test
 } // namespace mbgl

test/include/mbgl/test/vector_tile_test.hpp

@@ -34,17 +34,17 @@ public:
 
     VectorTileTest()
         : threadPool(Scheduler::GetBackground(), uniqueID),
-          tileParameters{1.0,
-                         MapDebugOptions(),
-                         transformState,
-                         fileSource,
-                         MapMode::Continuous,
-                         annotationManager.makeWeakPtr(),
-                         imageManager,
-                         glyphManager,
-                         0,
-                         threadPool,
-                         dynamicTextureAtlas},
+          tileParameters{.pixelRatio = 1.0,
+                         .debugOptions = MapDebugOptions(),
+                         .transformState = transformState,
+                         .fileSource = fileSource,
+                         .mode = MapMode::Continuous,
+                         .annotationManager = annotationManager.makeWeakPtr(),
+                         .imageManager = imageManager,
+                         .glyphManager = glyphManager,
+                         .prefetchZoomDelta = 0,
+                         .threadPool = threadPool,
+                         .dynamicTextureAtlas = dynamicTextureAtlas},
           style{fileSource, 1, threadPool} {}
 
     ~VectorTileTest() {