231 lines
8.2 KiB
C++
231 lines
8.2 KiB
C++
// Copyright 2023 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <memory>
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#include <utility>
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#include "dawn/common/GPUInfo.h"
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#include "dawn/dawn_proc.h"
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#include "dawn/native/DawnNative.h"
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#include "dawn/tests/MockCallback.h"
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#include "dawn/webgpu_cpp.h"
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#include "gtest/gtest.h"
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namespace dawn {
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namespace {
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using testing::_;
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using testing::MockCallback;
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using testing::SaveArg;
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class AdapterCreationTest : public ::testing::Test {
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protected:
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void SetUp() override {
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dawnProcSetProcs(&native::GetProcs());
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{
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auto nativeInstance = std::make_unique<native::Instance>();
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nativeInstance->DiscoverDefaultPhysicalDevices();
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for (native::Adapter& nativeAdapter : nativeInstance->GetAdapters()) {
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anyAdapterAvailable = true;
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wgpu::AdapterProperties properties;
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nativeAdapter.GetProperties(&properties);
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if (properties.compatibilityMode) {
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continue;
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}
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swiftShaderAvailable |=
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gpu_info::IsGoogleSwiftshader(properties.vendorID, properties.deviceID);
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discreteGPUAvailable |= properties.adapterType == wgpu::AdapterType::DiscreteGPU;
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integratedGPUAvailable |=
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properties.adapterType == wgpu::AdapterType::IntegratedGPU;
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}
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}
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instance = wgpu::CreateInstance();
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}
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void TearDown() override {
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instance = nullptr;
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dawnProcSetProcs(nullptr);
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}
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wgpu::Instance instance;
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bool anyAdapterAvailable = false;
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bool swiftShaderAvailable = false;
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bool discreteGPUAvailable = false;
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bool integratedGPUAvailable = false;
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};
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// Test that requesting the default adapter works
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TEST_F(AdapterCreationTest, DefaultAdapter) {
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wgpu::RequestAdapterOptions options = {};
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
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}
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// Test that passing nullptr for the options gets the default adapter
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TEST_F(AdapterCreationTest, NullGivesDefaultAdapter) {
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wgpu::RequestAdapterOptions options = {};
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this + 1))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(nullptr, cb.Callback(), cb.MakeUserdata(this + 1));
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wgpu::Adapter adapter2 = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter2 != nullptr, anyAdapterAvailable);
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}
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// Test that requesting the fallback adapter returns SwiftShader.
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TEST_F(AdapterCreationTest, FallbackAdapter) {
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wgpu::RequestAdapterOptions options = {};
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options.forceFallbackAdapter = true;
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, swiftShaderAvailable);
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if (adapter != nullptr) {
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wgpu::AdapterProperties properties;
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adapter.GetProperties(&properties);
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EXPECT_EQ(properties.adapterType, wgpu::AdapterType::CPU);
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EXPECT_TRUE(gpu_info::IsGoogleSwiftshader(properties.vendorID, properties.deviceID));
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}
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}
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// Test that requesting a high performance GPU works
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TEST_F(AdapterCreationTest, PreferHighPerformance) {
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wgpu::RequestAdapterOptions options = {};
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options.powerPreference = wgpu::PowerPreference::HighPerformance;
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
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if (discreteGPUAvailable) {
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wgpu::AdapterProperties properties;
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adapter.GetProperties(&properties);
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EXPECT_EQ(properties.adapterType, wgpu::AdapterType::DiscreteGPU);
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}
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}
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// Test that requesting a low power GPU works
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TEST_F(AdapterCreationTest, PreferLowPower) {
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wgpu::RequestAdapterOptions options = {};
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options.powerPreference = wgpu::PowerPreference::LowPower;
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
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if (integratedGPUAvailable) {
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wgpu::AdapterProperties properties;
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adapter.GetProperties(&properties);
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EXPECT_EQ(properties.adapterType, wgpu::AdapterType::IntegratedGPU);
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}
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}
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// Test that requesting a Compatibility adapter is supported.
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TEST_F(AdapterCreationTest, Compatibility) {
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wgpu::RequestAdapterOptions options = {};
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options.compatibilityMode = true;
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
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wgpu::AdapterProperties properties;
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adapter.GetProperties(&properties);
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EXPECT_TRUE(properties.compatibilityMode);
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}
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// Test that requesting a Non-Compatibility adapter is supported and is default.
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TEST_F(AdapterCreationTest, NonCompatibility) {
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wgpu::RequestAdapterOptions options = {};
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
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wgpu::AdapterProperties properties;
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adapter.GetProperties(&properties);
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EXPECT_FALSE(properties.compatibilityMode);
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}
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// Test that GetInstance() returns the correct Instance.
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TEST_F(AdapterCreationTest, GetInstance) {
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wgpu::RequestAdapterOptions options = {};
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MockCallback<WGPURequestAdapterCallback> cb;
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WGPUAdapter cAdapter = nullptr;
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EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
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.WillOnce(SaveArg<1>(&cAdapter));
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instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
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wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
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EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
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EXPECT_EQ(adapter.GetInstance().Get(), instance.Get());
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}
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} // anonymous namespace
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} // namespace dawn
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