1 files changed, 0 insertions, 60 deletions
diff --git a/src/mbgl/shader/line_attributes.hpp b/src/mbgl/shader/line_attributes.hpp
deleted file mode 100644
index 1f7dc85201..0000000000
--- a/src/mbgl/shader/line_attributes.hpp
+++ /dev/null
@@ -1,60 +0,0 @@
-#pragma once
-
-#include <mbgl/shader/attributes.hpp>
-#include <mbgl/util/geometry.hpp>
-
-#include <cmath>
-
-namespace mbgl {
-
-struct LineAttributes : gl::Attributes<
-    attributes::a_pos,
-    attributes::a_data<4>> {
-
-    /*
-     * @param p vertex position
-     * @param e extrude normal
-     * @param t texture normal
-     * @param dir direction of the line cap (-1/0/1)
-     */
-    static Vertex vertex(Point<int16_t> p, Point<double> e, Point<bool> t, int8_t dir, int32_t linesofar = 0) {
-        return Vertex {
-            {
-                static_cast<int16_t>((p.x * 2) | t.x),
-                static_cast<int16_t>((p.y * 2) | t.y)
-            },
-            {
-                // add 128 to store an byte in an unsigned byte
-                static_cast<uint8_t>(::round(extrudeScale * e.x) + 128),
-                static_cast<uint8_t>(::round(extrudeScale * e.y) + 128),
-
-                // Encode the -1/0/1 direction value into the first two bits of .z of a_data.
-                // Combine it with the lower 6 bits of `linesofar` (shifted by 2 bites to make
-                // room for the direction value). The upper 8 bits of `linesofar` are placed in
-                // the `w` component. `linesofar` is scaled down by `LINE_DISTANCE_SCALE` so that
-                // we can store longer distances while sacrificing precision.
-
-                // Encode the -1/0/1 direction value into .zw coordinates of a_data, which is normally covered
-                // by linesofar, so we need to merge them.
-                // The z component's first bit, as well as the sign bit is reserved for the direction,
-                // so we need to shift the linesofar.
-                static_cast<uint8_t>(((dir == 0 ? 0 : (dir < 0 ? -1 : 1 )) + 1) | ((linesofar & 0x3F) << 2)),
-                static_cast<uint8_t>(linesofar >> 6)
-            }
-        };
-    }
-
-    /*
-     * Scale the extrusion vector so that the normal length is this value.
-     * Contains the "texture" normals (-1..1). This is distinct from the extrude
-     * normals for line joins, because the x-value remains 0 for the texture
-     * normal array, while the extrude normal actually moves the vertex to create
-     * the acute/bevelled line join.
-     */
-    static const int8_t extrudeScale = 63;
-};
-
-using LineVertex = LineAttributes::Vertex;
-static_assert(sizeof(LineVertex) == 8, "expected LineVertex size");
-
-} // namespace mbgl