1 files changed, 12 insertions, 0 deletions
diff --git a/tools/gpu/vk/VkTestUtils.h b/tools/gpu/vk/VkTestUtils.h
index 9f34ef09c5..30471a78c0 100644
--- a/tools/gpu/vk/VkTestUtils.h
+++ b/tools/gpu/vk/VkTestUtils.h
@@ -13,9 +13,21 @@
 #ifdef SK_VULKAN
 
 #include "vk/GrVkDefines.h"
+#include "vk/GrVkInterface.h"
+
+struct GrVkBackendContext;
 
 namespace sk_gpu_test {
     bool LoadVkLibraryAndGetProcAddrFuncs(PFN_vkGetInstanceProcAddr*, PFN_vkGetDeviceProcAddr*);
+
+    using CanPresentFn = std::function<bool(VkInstance, VkPhysicalDevice,
+                                            uint32_t queueFamilyIndex)>;
+
+    bool CreateVkBackendContext(const GrVkInterface::GetInstanceProc& getInstanceProc,
+                                const GrVkInterface::GetDeviceProc& getDeviceProc,
+                                GrVkBackendContext* ctx,
+                                uint32_t* presentQueueIndexPtr = nullptr,
+                                CanPresentFn canPresent = CanPresentFn());
 }
 
 #endif