update mock vulkan.

impeller/renderer/backend/vulkan/test/mock_vulkan.cc

@@ -44,6 +44,8 @@ struct MockSwapchainKHR {
 
 struct MockSemaphore {};
 
+struct MockFramebuffer {};
+
 static ISize currentImageSize = ISize{1, 1};
 
 class MockDevice final {
@@ -719,6 +721,20 @@ VkResult vkAcquireNextImageKHR(VkDevice device,
   return VK_SUCCESS;
 }
 
+VkResult vkCreateFramebuffer(VkDevice device,
+                             const VkFramebufferCreateInfo* pCreateInfo,
+                             const VkAllocationCallbacks* pAllocator,
+                             VkFramebuffer* pFramebuffer) {
+  *pFramebuffer = reinterpret_cast<VkFramebuffer>(new MockFramebuffer());
+  return VK_SUCCESS;
+}
+
+void vkDestroyFramebuffer(VkDevice device,
+                          VkFramebuffer framebuffer,
+                          const VkAllocationCallbacks* pAllocator) {
+  delete reinterpret_cast<MockFramebuffer*>(framebuffer);
+}
+
 PFN_vkVoidFunction GetMockVulkanProcAddress(VkInstance instance,
                                             const char* pName) {
   if (strcmp("vkEnumerateInstanceExtensionProperties", pName) == 0) {
@@ -855,6 +871,10 @@ PFN_vkVoidFunction GetMockVulkanProcAddress(VkInstance instance,
     return (PFN_vkVoidFunction)vkDestroySurfaceKHR;
   } else if (strcmp("vkAcquireNextImageKHR", pName) == 0) {
     return (PFN_vkVoidFunction)vkAcquireNextImageKHR;
+  } else if (strcmp("vkCreateFramebuffer", pName) == 0) {
+    return (PFN_vkVoidFunction)vkCreateFramebuffer;
+  } else if (strcmp("vkDestroyFramebuffer", pName) == 0) {
+    return (PFN_vkVoidFunction)vkDestroyFramebuffer;
   }
   return noop;
 }