diff --git a/tools/vulkan/VulkanTestContext.h b/tools/vulkan/VulkanTestContext.h
index b300a57..66171af 100644
--- a/tools/vulkan/VulkanTestContext.h
+++ b/tools/vulkan/VulkanTestContext.h
@@ -64,7 +64,7 @@
 
     BackbufferInfo* getAvailableBackbuffer();
     bool createSwapchain(uint32_t width, uint32_t height);
-    void createBuffers();
+    void createBuffers(VkFormat format);
     void destroyBuffers();
 
     SkAutoTUnref<const GrVkBackendContext> fBackendContext;