fix collision box clipping

and name parameters when it's not clear from their type

README.md

@@ -247,6 +247,7 @@ Some styles in JSON format are included at `./styles`. See the [style spec](http
 - Press `X` to reset the transform
 - Press `N` to reset north
 - Press `Tab` to toggle debug information
+- Press 'C' to toggle symbol collision debug boxes
 - Press `Esc` to quit
 
 ## Mobile

src/mbgl/map/live_tile_data.hpp

@@ -17,9 +17,9 @@ public:
                  SpriteAtlas&,
                  util::ptr<Sprite>,
                  const SourceInfo&,
-                 float,
-                 float,
-                 bool);
+                 float overscaling_,
+                 float angle_,
+                 bool collisionDebug_);
     ~LiveTileData();
 
     void parse() override;

src/mbgl/map/vector_tile_data.hpp

@@ -39,9 +39,9 @@ public:
                    SpriteAtlas&,
                    util::ptr<Sprite>,
                    const SourceInfo&,
-                   float,
-                   float,
-                   bool);
+                   float overscaling_,
+                   float angle_,
+                   bool collisionDebug_);
     ~VectorTileData();
 
     void parse() override;

src/mbgl/renderer/painter_symbol.cpp

@@ -119,16 +119,6 @@ void Painter::renderSymbol(SymbolBucket &bucket, const StyleLayer &layer_desc, c
     const auto &properties = layer_desc.getProperties<SymbolProperties>();
     const auto &layout = bucket.layout;
 
-    // TODO remove the `|| true` when #1673 is implemented
-    const bool drawAcrossEdges = !(layout.text.allow_overlap || layout.icon.allow_overlap ||
-          layout.text.ignore_placement || layout.icon.ignore_placement) || true;
-
-    // Disable the stencil test so that labels aren't clipped to tile boundaries.
-    //
-    // Layers with features that may be drawn overlapping aren't clipped. These
-    // layers are sorted in the y direction, and to draw the correct ordering near
-    // tile edges the icons are included in both tiles and clipped when drawing.
-    config.stencilTest = drawAcrossEdges ? false : true;
     config.depthTest = true;
     config.depthMask = GL_FALSE;
 
@@ -149,6 +139,17 @@ void Painter::renderSymbol(SymbolBucket &bucket, const StyleLayer &layer_desc, c
 
     }
 
+    // TODO remove the `|| true` when #1673 is implemented
+    const bool drawAcrossEdges = !(layout.text.allow_overlap || layout.icon.allow_overlap ||
+          layout.text.ignore_placement || layout.icon.ignore_placement) || true;
+
+    // Disable the stencil test so that labels aren't clipped to tile boundaries.
+    //
+    // Layers with features that may be drawn overlapping aren't clipped. These
+    // layers are sorted in the y direction, and to draw the correct ordering near
+    // tile edges the icons are included in both tiles and clipped when drawing.
+    config.stencilTest = drawAcrossEdges ? false : true;
+
     if (bucket.hasIconData()) {
         bool sdf = bucket.sdfIcons;