1 files changed, 52 insertions, 0 deletions
diff --git a/src/mbgl/programs/circle_program.hpp b/src/mbgl/programs/circle_program.hpp
new file mode 100644
index 0000000000..690608a438
--- /dev/null
+++ b/src/mbgl/programs/circle_program.hpp
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <mbgl/programs/program.hpp>
+#include <mbgl/programs/attributes.hpp>
+#include <mbgl/programs/uniforms.hpp>
+#include <mbgl/shader/circle.hpp>
+#include <mbgl/util/geometry.hpp>
+
+namespace mbgl {
+
+namespace uniforms {
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_radius);
+MBGL_DEFINE_UNIFORM_SCALAR(bool, u_scale_with_map);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_devicepixelratio);
+} // namespace uniforms
+
+class CircleProgram : public Program<
+    shaders::circle,
+    gl::Attributes<
+        attributes::a_pos>,
+    gl::Uniforms<
+        uniforms::u_matrix,
+        uniforms::u_opacity,
+        uniforms::u_color,
+        uniforms::u_radius,
+        uniforms::u_blur,
+        uniforms::u_scale_with_map,
+        uniforms::u_extrude_scale,
+        uniforms::u_devicepixelratio>>
+{
+public:
+    using Program::Program;
+
+    /*
+     * @param {number} x vertex position
+     * @param {number} y vertex position
+     * @param {number} ex extrude normal
+     * @param {number} ey extrude normal
+     */
+    static Vertex vertex(Point<int16_t> p, float ex, float ey) {
+        return Vertex {
+            {
+                static_cast<int16_t>((p.x * 2) + ((ex + 1) / 2)),
+                static_cast<int16_t>((p.y * 2) + ((ey + 1) / 2))
+            }
+        };
+    }
+};
+
+using CircleVertex = CircleProgram::Vertex;
+
+} // namespace mbgl