[Impeller] turned on validation errors for one golden image test

impeller/golden_tests/golden_playground_test_mac.cc

@@ -60,6 +60,12 @@ static const std::vector<std::string> kSkipTests = {
     "impeller_Play_AiksTest_CaptureContext_Vulkan",
 };
 
+/// TODO(https://github.com/flutter/flutter/issues/142017): Turn on validation
+/// for all vulkan tests.
+static const std::vector<std::string> kVulkanValidationTests = {
+    "impeller_Play_AiksTest_CanRenderTextFrame_Vulkan",
+};
+
 namespace {
 std::string GetTestName() {
   std::string suite_name =
@@ -127,13 +133,20 @@ void GoldenPlaygroundTest::SetUp() {
     return;
   }
 
+  bool enable_vulkan_validations = false;
+  std::string test_name = GetTestName();
+  if (std::find(kVulkanValidationTests.begin(), kVulkanValidationTests.end(),
+                test_name) != kVulkanValidationTests.end()) {
+    enable_vulkan_validations = true;
+  }
+
   if (GetParam() == PlaygroundBackend::kMetal) {
     pimpl_->screenshotter = std::make_unique<testing::MetalScreenshotter>();
   } else if (GetParam() == PlaygroundBackend::kVulkan) {
-    pimpl_->screenshotter = std::make_unique<testing::VulkanScreenshotter>();
+    pimpl_->screenshotter = std::make_unique<testing::VulkanScreenshotter>(
+        enable_vulkan_validations);
   }
 
-  std::string test_name = GetTestName();
   if (std::find(kSkipTests.begin(), kSkipTests.end(), test_name) !=
       kSkipTests.end()) {
     GTEST_SKIP_(

impeller/golden_tests/vulkan_screenshotter.h

@@ -18,7 +18,7 @@ namespace testing {
 /// playground backend.
 class VulkanScreenshotter : public Screenshotter {
  public:
-  VulkanScreenshotter();
+  explicit VulkanScreenshotter(bool enable_validations);
 
   std::unique_ptr<Screenshot> MakeScreenshot(
       AiksContext& aiks_context,

impeller/golden_tests/vulkan_screenshotter.mm

@@ -64,10 +64,12 @@
 }
 }  // namespace
 
-VulkanScreenshotter::VulkanScreenshotter() {
+VulkanScreenshotter::VulkanScreenshotter(bool enable_validations) {
   FML_CHECK(::glfwInit() == GLFW_TRUE);
+  PlaygroundSwitches playground_switches;
+  playground_switches.enable_vulkan_validation = enable_validations;
   playground_ =
-      PlaygroundImpl::Create(PlaygroundBackend::kVulkan, PlaygroundSwitches{});
+      PlaygroundImpl::Create(PlaygroundBackend::kVulkan, playground_switches);
 }
 
 std::unique_ptr<Screenshot> VulkanScreenshotter::MakeScreenshot(