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// Copyright 2019 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 <gtest/gtest.h>
#include "dawn_native/Extensions.h"
#include "dawn_native/Instance.h"
#include "dawn_native/null/DeviceNull.h"
class ExtensionTests : public testing::Test {
public:
ExtensionTests()
: testing::Test(),
mInstanceBase(dawn_native::InstanceBase::Create()),
mAdapterBase(mInstanceBase.Get()) {
}
std::vector<const char*> GetAllExtensionNames() {
std::vector<const char*> allExtensionNames(kTotalExtensionsCount);
for (size_t i = 0; i < kTotalExtensionsCount; ++i) {
allExtensionNames[i] = ExtensionEnumToName(static_cast<dawn_native::Extension>(i));
}
return allExtensionNames;
}
static constexpr size_t kTotalExtensionsCount =
static_cast<size_t>(dawn_native::Extension::EnumCount);
protected:
Ref<dawn_native::InstanceBase> mInstanceBase;
dawn_native::null::Adapter mAdapterBase;
};
// Test the creation of a device will fail if the requested extension is not supported on the
// Adapter.
TEST_F(ExtensionTests, AdapterWithRequiredExtensionDisabled) {
const std::vector<const char*> kAllExtensionNames = GetAllExtensionNames();
for (size_t i = 0; i < kTotalExtensionsCount; ++i) {
dawn_native::Extension notSupportedExtension = static_cast<dawn_native::Extension>(i);
std::vector<const char*> extensionNamesWithoutOne = kAllExtensionNames;
extensionNamesWithoutOne.erase(extensionNamesWithoutOne.begin() + i);
mAdapterBase.SetSupportedExtensions(extensionNamesWithoutOne);
dawn_native::Adapter adapterWithoutExtension(&mAdapterBase);
dawn_native::DeviceDescriptor deviceDescriptor;
const char* extensionName = ExtensionEnumToName(notSupportedExtension);
deviceDescriptor.requiredExtensions = std::vector<const char*>(1, extensionName);
WGPUDevice deviceWithExtension = adapterWithoutExtension.CreateDevice(&deviceDescriptor);
ASSERT_EQ(nullptr, deviceWithExtension);
}
}
// Test Device.GetEnabledExtensions() can return the names of the enabled extensions correctly.
TEST_F(ExtensionTests, GetEnabledExtensions) {
dawn_native::Adapter adapter(&mAdapterBase);
for (size_t i = 0; i < kTotalExtensionsCount; ++i) {
dawn_native::Extension extension = static_cast<dawn_native::Extension>(i);
const char* extensionName = ExtensionEnumToName(extension);
dawn_native::DeviceDescriptor deviceDescriptor;
deviceDescriptor.requiredExtensions = {extensionName};
dawn_native::DeviceBase* deviceBase =
reinterpret_cast<dawn_native::DeviceBase*>(adapter.CreateDevice(&deviceDescriptor));
std::vector<const char*> enabledExtensions = deviceBase->GetEnabledExtensions();
ASSERT_EQ(1u, enabledExtensions.size());
ASSERT_EQ(0, std::strcmp(extensionName, enabledExtensions[0]));
}
}