remove old version of zoomHistory

src/mbgl/renderer/painter.cpp

@@ -232,7 +232,7 @@ void Painter::render(const Style& style, const std::set<util::ptr<StyleSource>>&
 
     drawClippingMasks(sources);
 
-    recordZoom(time, state.getNormalizedZoom());
+    frameHistory.record(time, state.getNormalizedZoom());
 
     // Actually render the layers
     if (debug::renderTree) { std::cout << "{" << std::endl; indent++; }
@@ -479,26 +479,3 @@ mat4 Painter::translatedMatrix(const mat4& matrix, const std::array<float, 2> &t
         return vtxMatrix;
     }
 }
-
-void Painter::recordZoom(const timestamp time, const float zoom) {
-    frameHistory.record(time, zoom);
-
-    if (lastZoom < 0) {
-        // first frame ever
-        lastIntegerZoom = std::floor(zoom);
-        lastZoom = zoom;
-    }
-
-    // check whether an integer zoom level was passed since the last frame
-    // and if yes, record it with the time. Used for transitioning patterns.
-    if (std::floor(lastZoom) < std::floor(zoom)) {
-        lastIntegerZoom = std::floor(zoom);
-        lastIntegerZoomTime = time;
-
-    } else if (std::floor(lastZoom) > std::floor(zoom)) {
-        lastIntegerZoom = std::floor(zoom) + 1;
-        lastIntegerZoomTime = time;
-    }
-
-    lastZoom = zoom;
-}

src/mbgl/renderer/painter.hpp

@@ -139,7 +139,6 @@ private:
     mat4 translatedMatrix(const mat4& matrix, const std::array<float, 2> &translation, const Tile::ID &id, TranslateAnchorType anchor);
 
     void prepareTile(const Tile& tile);
-    void recordZoom(const timestamp time, const float zoom);
 
     template <typename BucketProperties, typename StyleProperties>
     void renderSDF(SymbolBucket &bucket,
@@ -192,10 +191,6 @@ private:
     RenderPass pass = RenderPass::Opaque;
     const float strata_epsilon = 1.0f / (1 << 16);
 
-    int lastIntegerZoom;
-    timestamp lastIntegerZoomTime = 0;
-    float lastZoom = -1;
-
 public:
     FrameHistory frameHistory;