1 files changed, 6 insertions, 4 deletions
diff --git a/platform/default/include/mbgl/gfx/headless_backend.hpp b/platform/default/include/mbgl/gfx/headless_backend.hpp
index 325422323a..5167e6a465 100644
--- a/platform/default/include/mbgl/gfx/headless_backend.hpp
+++ b/platform/default/include/mbgl/gfx/headless_backend.hpp
@@ -15,11 +15,13 @@ namespace gfx {
 // of readStillImage.
 class HeadlessBackend : public gfx::Renderable {
 public:
+    enum class SwapBehaviour { NoFlush, Flush };
+
     // Factory.
-    static std::unique_ptr<HeadlessBackend>
-    Create(const Size size = { 256, 256 },
-           const gfx::ContextMode contextMode = gfx::ContextMode::Unique) {
-        return Backend::Create<HeadlessBackend, Size, gfx::ContextMode>(size, contextMode);
+    static std::unique_ptr<HeadlessBackend> Create(const Size size = {256, 256},
+                                                   SwapBehaviour swapBehavior = SwapBehaviour::NoFlush,
+                                                   const gfx::ContextMode contextMode = gfx::ContextMode::Unique) {
+        return Backend::Create<HeadlessBackend, Size, SwapBehaviour, gfx::ContextMode>(size, swapBehavior, contextMode);
     }
 
     virtual PremultipliedImage readStillImage() = 0;