Enable D3D12 validation layers

Run end2end tests with argument '-d' or '--enable-backend-validation'

Change-Id: I34a3f453dcd3a57d76301801ae2abe42f847cb1b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7140
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Hao Li <hao.x.li@intel.com>

src/dawn_native/DawnNative.cpp

@@ -99,4 +99,11 @@ namespace dawn_native {
         return mImpl->GetToggleInfo(toggleName);
     }
 
+    void Instance::EnableBackendValidation(bool enableBackendValidation) {
+        mImpl->EnableBackendValidation(enableBackendValidation);
+    }
+
+    bool Instance::IsBackendValidationEnabled() {
+        return mImpl->IsBackendValidationEnabled();
+    }
 }  // namespace dawn_native

src/dawn_native/Instance.cpp

@@ -230,4 +230,12 @@ namespace dawn_native {
         return false;
     }
 
+    void InstanceBase::EnableBackendValidation(bool enableBackendValidation) {
+        mEnableBackendValidation = enableBackendValidation;
+    }
+
+    bool InstanceBase::IsBackendValidationEnabled() {
+        return mEnableBackendValidation;
+    }
+
 }  // namespace dawn_native

src/dawn_native/Instance.h

@@ -51,6 +51,9 @@ namespace dawn_native {
         Toggle ToggleNameToEnum(const char* toggleName);
         const char* ToggleEnumToName(Toggle toggle);
 
+        void EnableBackendValidation(bool enableBackendValidation);
+        bool IsBackendValidationEnabled();
+
       private:
         // Lazily creates connections to all backends that have been compiled.
         void EnsureBackendConnections();
@@ -66,6 +69,7 @@ namespace dawn_native {
         bool mDiscoveredDefaultAdapters = false;
 
         bool mToggleNameToEnumMapInitialized = false;
+        bool mEnableBackendValidation = false;
 
         std::vector<std::unique_ptr<BackendConnection>> mBackends;
         std::vector<std::unique_ptr<AdapterBase>> mAdapters;

src/dawn_native/d3d12/BackendD3D12.cpp

@@ -23,15 +23,18 @@ namespace dawn_native { namespace d3d12 {
 
     namespace {
 
-        ResultOrError<ComPtr<IDXGIFactory4>> CreateFactory(const PlatformFunctions* functions) {
+        ResultOrError<ComPtr<IDXGIFactory4>> CreateFactory(const PlatformFunctions* functions,
+                                                           bool enableBackendValidation) {
             ComPtr<IDXGIFactory4> factory;
 
             uint32_t dxgiFactoryFlags = 0;
-#if defined(DAWN_ENABLE_ASSERTS)
+
             // Enable the debug layer (requires the Graphics Tools "optional feature").
             {
+                if (enableBackendValidation) {
                     ComPtr<ID3D12Debug> debugController;
-                if (SUCCEEDED(functions->d3d12GetDebugInterface(IID_PPV_ARGS(&debugController)))) {
+                    if (SUCCEEDED(
+                            functions->d3d12GetDebugInterface(IID_PPV_ARGS(&debugController)))) {
                         ASSERT(debugController != nullptr);
                         debugController->EnableDebugLayer();
 
@@ -46,7 +49,7 @@ namespace dawn_native { namespace d3d12 {
                                                      DXGI_DEBUG_RLO_FLAGS(DXGI_DEBUG_RLO_ALL));
                     }
                 }
-#endif  // defined(DAWN_ENABLE_ASSERTS)
+            }
 
             if (FAILED(functions->createDxgiFactory2(dxgiFactoryFlags, IID_PPV_ARGS(&factory)))) {
                 return DAWN_CONTEXT_LOST_ERROR("Failed to create a DXGI factory");
@@ -65,7 +68,8 @@ namespace dawn_native { namespace d3d12 {
         mFunctions = std::make_unique<PlatformFunctions>();
         DAWN_TRY(mFunctions->LoadFunctions());
 
-        DAWN_TRY_ASSIGN(mFactory, CreateFactory(mFunctions.get()));
+        DAWN_TRY_ASSIGN(
+            mFactory, CreateFactory(mFunctions.get(), GetInstance()->IsBackendValidationEnabled()));
 
         return {};
     }

src/dawn_native/d3d12/d3d12_platform.h

@@ -19,9 +19,7 @@
 #include <dxgi1_4.h>
 #include <wrl.h>
 
-#if defined(DAWN_ENABLE_ASSERTS)
 #include <dxgidebug.h>
-#endif  // defined(DAWN_ENABLE_ASSERTS)
 
 using Microsoft::WRL::ComPtr;
 

src/include/dawn_native/DawnNative.h

@@ -125,6 +125,10 @@ namespace dawn_native {
 
         const ToggleInfo* GetToggleInfo(const char* toggleName);
 
+        // Enable backend's validation layers if it has.
+        void EnableBackendValidation(bool enableBackendValidation);
+        bool IsBackendValidationEnabled();
+
       private:
         InstanceBase* mImpl = nullptr;
     };

src/tests/DawnTest.cpp

@@ -102,9 +102,17 @@ DawnTestEnvironment::DawnTestEnvironment(int argc, char** argv) {
             continue;
         }
 
+        if (strcmp("-d", argv[i]) == 0 || strcmp("--enable-backend-validation", argv[i]) == 0) {
+            mEnableBackendValidation = true;
+            continue;
+        }
+
         if (strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
-            std::cout << "\n\nUsage: " << argv[0] << " [GTEST_FLAGS...] [-w] \n";
-            std::cout << "  -w, --use-wire: Run the tests through the wire (defaults to no wire)";
+            std::cout << "\n\nUsage: " << argv[0]
+                      << " [GTEST_FLAGS...] [-w] [--enable-validation-layers]\n";
+            std::cout << "  -w, --use-wire: Run the tests through the wire (defaults to no wire)\n";
+            std::cout << "  -d, --enable-backend-validation: Enable backend validation (defaults"
+                      << " to disabled)\n";
             std::cout << std::endl;
             continue;
         }
@@ -115,6 +123,7 @@ void DawnTestEnvironment::SetUp() {
     ASSERT_TRUE(glfwInit());
 
     mInstance = std::make_unique<dawn_native::Instance>();
+    mInstance->EnableBackendValidation(mEnableBackendValidation);
 
     static constexpr dawn_native::BackendType kAllBackends[] = {
         dawn_native::BackendType::D3D12,
@@ -134,6 +143,8 @@ void DawnTestEnvironment::SetUp() {
     std::cout << "Testing configuration\n";
     std::cout << "---------------------\n";
     std::cout << "UseWire: " << (mUseWire ? "true" : "false") << "\n";
+    std::cout << "EnableBackendValidation: " << (mEnableBackendValidation ? "true" : "false")
+              << "\n";
     std::cout << "\n";
 
     // Preparing for outputting hex numbers

src/tests/DawnTest.h

@@ -114,6 +114,7 @@ class DawnTestEnvironment : public testing::Environment {
     void CreateBackendWindow(dawn_native::BackendType type);
 
     bool mUseWire = false;
+    bool mEnableBackendValidation = false;
     std::unique_ptr<dawn_native::Instance> mInstance;
 
     // Windows don't usually like to be bound to one API than the other, for example switching