Bug 1711648 - Move TileRange to the Box2D representation. r=jrmuizel

Differential Revision: https://phabricator.services.mozilla.com/D117291

gfx/wr/webrender/src/image_tiling.rs

@@ -572,8 +572,8 @@ pub fn compute_tile_range(
     let y_range = tile_range_1d(&visible_area.y_range(), tile_size);
 
     TileRange {
-        origin: point2(x_range.start, y_range.start),
-        size: size2(x_range.end - x_range.start, y_range.end - y_range.start),
+        min: point2(x_range.start, y_range.start),
+        max: point2(x_range.end, y_range.end),
     }
 }
 
@@ -623,8 +623,8 @@ pub fn compute_valid_tiles_if_bounds_change(
     let max_y = if bottom { f32::floor(tiles.max.y) } else { f32::ceil(tiles.max.y) };
 
     Some(TileRange {
-        origin: point2(min_x as i32, min_y as i32),
-        size: size2((max_x - min_x) as i32, (max_y - min_y) as i32),
+        min: point2(min_x as i32, min_y as i32),
+        max: point2(max_x as i32, max_y as i32),
     })
 }
 

gfx/wr/webrender_api/src/units.rs

@@ -111,7 +111,7 @@ pub type WorldVector3D = Vector3D<f32, WorldPixel>;
 #[derive(Hash, Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd)]
 pub struct Tiles;
 pub type TileOffset = Point2D<i32, Tiles>;
-pub type TileRange = Rect<i32, Tiles>;
+pub type TileRange = Box2D<i32, Tiles>;
 
 /// Scaling ratio from world pixels to device pixels.
 pub type DevicePixelScale = Scale<f32, WorldPixel, DevicePixel>;