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// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <algorithm>
#include <vector>
#include "dawn/common/Assert.h"
#include "dawn/common/SystemUtils.h"
#include "dawn/dawn_proc.h"
#include "dawn/native/NullBackend.h"
#include "dawn/tests/ToggleParser.h"
#include "dawn/tests/unittests/validation/ValidationTest.h"
#include "dawn/utils/WireHelper.h"
#include "dawn/webgpu.h"
namespace {
bool gUseWire = false;
// NOLINTNEXTLINE(runtime/string)
std::string gWireTraceDir = "";
std::unique_ptr<ToggleParser> gToggleParser = nullptr;
static ValidationTest* gCurrentTest = nullptr;
} // namespace
void InitDawnValidationTestEnvironment(int argc, char** argv) {
gToggleParser = std::make_unique<ToggleParser>();
for (int i = 1; i < argc; ++i) {
if (strcmp("-w", argv[i]) == 0 || strcmp("--use-wire", argv[i]) == 0) {
gUseWire = true;
continue;
}
constexpr const char kWireTraceDirArg[] = "--wire-trace-dir=";
size_t argLen = sizeof(kWireTraceDirArg) - 1;
if (strncmp(argv[i], kWireTraceDirArg, argLen) == 0) {
gWireTraceDir = argv[i] + argLen;
continue;
}
if (gToggleParser->ParseEnabledToggles(argv[i])) {
continue;
}
if (gToggleParser->ParseDisabledToggles(argv[i])) {
continue;
}
if (strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
dawn::InfoLog()
<< "\n\nUsage: " << argv[0]
<< " [GTEST_FLAGS...] [-w]\n"
" [--enable-toggles=toggles] [--disable-toggles=toggles]\n"
" -w, --use-wire: Run the tests through the wire (defaults to no wire)\n"
" --enable-toggles: Comma-delimited list of Dawn toggles to enable.\n"
" ex.) skip_validation,disable_robustness,turn_off_vsync\n"
" --disable-toggles: Comma-delimited list of Dawn toggles to disable\n";
continue;
}
// Skip over args that look like they're for Googletest.
constexpr const char kGtestArgPrefix[] = "--gtest_";
if (strncmp(kGtestArgPrefix, argv[i], sizeof(kGtestArgPrefix) - 1) == 0) {
continue;
}
dawn::WarningLog() << " Unused argument: " << argv[i];
}
}
ValidationTest::ValidationTest() {
gCurrentTest = this;
DawnProcTable procs = dawn::native::GetProcs();
// Override procs to provide harness-specific behavior to always select the null adapter,
// and to allow fixture-specific overriding of the test device with CreateTestDevice.
procs.instanceRequestAdapter = [](WGPUInstance instance, const WGPURequestAdapterOptions*,
WGPURequestAdapterCallback callback, void* userdata) {
ASSERT(gCurrentTest);
std::vector<dawn::native::Adapter> adapters = gCurrentTest->mDawnInstance->GetAdapters();
// Validation tests run against the null backend, find the corresponding adapter
for (auto& adapter : adapters) {
wgpu::AdapterProperties adapterProperties;
adapter.GetProperties(&adapterProperties);
if (adapterProperties.backendType == wgpu::BackendType::Null) {
gCurrentTest->mBackendAdapter = adapter;
WGPUAdapter cAdapter = adapter.Get();
ASSERT(cAdapter);
dawn::native::GetProcs().adapterReference(cAdapter);
callback(WGPURequestAdapterStatus_Success, cAdapter, nullptr, userdata);
return;
}
}
UNREACHABLE();
};
procs.adapterRequestDevice = [](WGPUAdapter adapter, const WGPUDeviceDescriptor*,
WGPURequestDeviceCallback callback, void* userdata) {
ASSERT(gCurrentTest);
WGPUDevice cDevice = gCurrentTest->CreateTestDevice(
dawn::native::Adapter(reinterpret_cast<dawn::native::AdapterBase*>(adapter)));
ASSERT(cDevice != nullptr);
gCurrentTest->mLastCreatedBackendDevice = cDevice;
callback(WGPURequestDeviceStatus_Success, cDevice, nullptr, userdata);
};
mWireHelper = utils::CreateWireHelper(procs, gUseWire, gWireTraceDir.c_str());
}
void ValidationTest::SetUp() {
mDawnInstance = std::make_unique<dawn::native::Instance>();
mDawnInstance->DiscoverDefaultAdapters();
mInstance = mWireHelper->RegisterInstance(mDawnInstance->Get());
std::string traceName =
std::string(::testing::UnitTest::GetInstance()->current_test_info()->test_suite_name()) +
"_" + ::testing::UnitTest::GetInstance()->current_test_info()->name();
mWireHelper->BeginWireTrace(traceName.c_str());
// These options are unused since validation tests always select the null adapter
wgpu::RequestAdapterOptions options = {};
mInstance.RequestAdapter(
&options,
[](WGPURequestAdapterStatus, WGPUAdapter cAdapter, const char*, void* userdata) {
*static_cast<wgpu::Adapter*>(userdata) = wgpu::Adapter::Acquire(cAdapter);
},
&adapter);
FlushWire();
ASSERT(adapter);
device = RequestDeviceSync(wgpu::DeviceDescriptor{});
backendDevice = mLastCreatedBackendDevice;
device.SetUncapturedErrorCallback(ValidationTest::OnDeviceError, this);
device.SetDeviceLostCallback(ValidationTest::OnDeviceLost, this);
}
ValidationTest::~ValidationTest() {
// We need to destroy Dawn objects before the wire helper which sets procs to null otherwise the
// dawn*Release will call a nullptr
device = nullptr;
adapter = nullptr;
mInstance = nullptr;
mWireHelper.reset();
// Check that all devices were destructed.
EXPECT_EQ(mDawnInstance->GetDeviceCountForTesting(), 0u);
gCurrentTest = nullptr;
}
void ValidationTest::TearDown() {
FlushWire();
ASSERT_FALSE(mExpectError);
if (device) {
EXPECT_EQ(mLastWarningCount,
dawn::native::GetDeprecationWarningCountForTesting(backendDevice));
}
// The device will be destroyed soon after, so we want to set the expectation.
ExpectDeviceDestruction();
}
void ValidationTest::StartExpectDeviceError(testing::Matcher<std::string> errorMatcher) {
mExpectError = true;
mError = false;
mErrorMatcher = errorMatcher;
}
void ValidationTest::StartExpectDeviceError() {
StartExpectDeviceError(testing::_);
}
bool ValidationTest::EndExpectDeviceError() {
mExpectError = false;
mErrorMatcher = testing::_;
return mError;
}
std::string ValidationTest::GetLastDeviceErrorMessage() const {
return mDeviceErrorMessage;
}
void ValidationTest::ExpectDeviceDestruction() {
mExpectDestruction = true;
}
bool ValidationTest::UsesWire() const {
return gUseWire;
}
void ValidationTest::FlushWire() {
EXPECT_TRUE(mWireHelper->FlushClient());
EXPECT_TRUE(mWireHelper->FlushServer());
}
void ValidationTest::WaitForAllOperations(const wgpu::Device& device) {
bool done = false;
device.GetQueue().OnSubmittedWorkDone(
0u, [](WGPUQueueWorkDoneStatus, void* userdata) { *static_cast<bool*>(userdata) = true; },
&done);
// Force the currently submitted operations to completed.
while (!done) {
device.Tick();
FlushWire();
}
// TODO(cwallez@chromium.org): It's not clear why we need this additional tick. Investigate it
// once WebGPU has defined the ordering of callbacks firing.
device.Tick();
FlushWire();
}
const dawn::native::ToggleInfo* ValidationTest::GetToggleInfo(const char* name) const {
return mDawnInstance->GetToggleInfo(name);
}
bool ValidationTest::HasToggleEnabled(const char* toggle) const {
auto toggles = dawn::native::GetTogglesUsed(backendDevice);
return std::find_if(toggles.begin(), toggles.end(), [toggle](const char* name) {
return strcmp(toggle, name) == 0;
}) != toggles.end();
}
wgpu::SupportedLimits ValidationTest::GetSupportedLimits() const {
wgpu::SupportedLimits supportedLimits = {};
device.GetLimits(&supportedLimits);
return supportedLimits;
}
wgpu::Device ValidationTest::RequestDeviceSync(const wgpu::DeviceDescriptor& deviceDesc) {
ASSERT(adapter);
wgpu::Device apiDevice;
adapter.RequestDevice(
&deviceDesc,
[](WGPURequestDeviceStatus, WGPUDevice cDevice, const char*, void* userdata) {
*static_cast<wgpu::Device*>(userdata) = wgpu::Device::Acquire(cDevice);
},
&apiDevice);
FlushWire();
ASSERT(apiDevice);
return apiDevice;
}
dawn::native::Adapter& ValidationTest::GetBackendAdapter() {
return mBackendAdapter;
}
WGPUDevice ValidationTest::CreateTestDevice(dawn::native::Adapter dawnAdapter) {
// Disabled disallowing unsafe APIs so we can test them.
std::vector<const char*> forceEnabledToggles;
std::vector<const char*> forceDisabledToggles = {"disallow_unsafe_apis"};
for (const std::string& toggle : gToggleParser->GetEnabledToggles()) {
forceEnabledToggles.push_back(toggle.c_str());
}
for (const std::string& toggle : gToggleParser->GetDisabledToggles()) {
forceDisabledToggles.push_back(toggle.c_str());
}
wgpu::DeviceDescriptor deviceDescriptor;
wgpu::DawnTogglesDeviceDescriptor togglesDesc;
deviceDescriptor.nextInChain = &togglesDesc;
togglesDesc.forceEnabledToggles = forceEnabledToggles.data();
togglesDesc.forceEnabledTogglesCount = forceEnabledToggles.size();
togglesDesc.forceDisabledToggles = forceDisabledToggles.data();
togglesDesc.forceDisabledTogglesCount = forceDisabledToggles.size();
return dawnAdapter.CreateDevice(&deviceDescriptor);
}
// static
void ValidationTest::OnDeviceError(WGPUErrorType type, const char* message, void* userdata) {
ASSERT(type != WGPUErrorType_NoError);
auto* self = static_cast<ValidationTest*>(userdata);
self->mDeviceErrorMessage = message;
ASSERT_TRUE(self->mExpectError) << "Got unexpected device error: " << message;
ASSERT_FALSE(self->mError) << "Got two errors in expect block";
if (self->mExpectError) {
ASSERT_THAT(message, self->mErrorMatcher);
}
self->mError = true;
}
void ValidationTest::OnDeviceLost(WGPUDeviceLostReason reason,
const char* message,
void* userdata) {
auto* self = static_cast<ValidationTest*>(userdata);
if (self->mExpectDestruction) {
EXPECT_EQ(reason, WGPUDeviceLostReason_Destroyed);
return;
}
ADD_FAILURE() << "Device lost during test: " << message;
ASSERT(false);
}
ValidationTest::PlaceholderRenderPass::PlaceholderRenderPass(const wgpu::Device& device)
: attachmentFormat(wgpu::TextureFormat::RGBA8Unorm), width(400), height(400) {
wgpu::TextureDescriptor descriptor;
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.size.width = width;
descriptor.size.height = height;
descriptor.size.depthOrArrayLayers = 1;
descriptor.sampleCount = 1;
descriptor.format = attachmentFormat;
descriptor.mipLevelCount = 1;
descriptor.usage = wgpu::TextureUsage::RenderAttachment;
attachment = device.CreateTexture(&descriptor);
wgpu::TextureView view = attachment.CreateView();
mColorAttachment.view = view;
mColorAttachment.resolveTarget = nullptr;
mColorAttachment.clearValue = {0.0f, 0.0f, 0.0f, 0.0f};
mColorAttachment.loadOp = wgpu::LoadOp::Clear;
mColorAttachment.storeOp = wgpu::StoreOp::Store;
colorAttachmentCount = 1;
colorAttachments = &mColorAttachment;
depthStencilAttachment = nullptr;
}