1 files changed, 37 insertions, 0 deletions
diff --git a/src/mbgl/renderer/painters/painter_clipping.cpp b/src/mbgl/renderer/painters/painter_clipping.cpp
new file mode 100644
index 0000000000..0d3b5f1504
--- /dev/null
+++ b/src/mbgl/renderer/painters/painter_clipping.cpp
@@ -0,0 +1,37 @@
+#include <mbgl/renderer/painter.hpp>
+#include <mbgl/programs/programs.hpp>
+#include <mbgl/programs/fill_program.hpp>
+#include <mbgl/util/clip_id.hpp>
+
+namespace mbgl {
+
+void Painter::renderClippingMask(const UnwrappedTileID& tileID, const ClipID& clip) {
+    static const style::FillPaintProperties::Evaluated properties {};
+    static const FillProgram::PaintPropertyBinders paintAttibuteData(properties, 0);
+    programs->fill.draw(
+        context,
+        gl::Triangles(),
+        gl::DepthMode::disabled(),
+        gl::StencilMode {
+            gl::StencilMode::Always(),
+            static_cast<int32_t>(clip.reference.to_ulong()),
+            0b11111111,
+            gl::StencilMode::Keep,
+            gl::StencilMode::Keep,
+            gl::StencilMode::Replace
+        },
+        gl::ColorMode::disabled(),
+        FillProgram::UniformValues {
+            uniforms::u_matrix::Value{ matrixForTile(tileID) },
+            uniforms::u_world::Value{ context.viewport.getCurrentValue().size },
+        },
+        tileVertexBuffer,
+        quadTriangleIndexBuffer,
+        tileTriangleSegments,
+        paintAttibuteData,
+        properties,
+        state.getZoom()
+    );
+}
+
+} // namespace mbgl