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dawn-cmake/src/dawn/tests/end2end/AdapterDiscoveryTests.cpp

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// Copyright 2021 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 <memory>
#include <utility>
#include "dawn/common/GPUInfo.h"
#include "dawn/common/Log.h"
#include "dawn/common/Platform.h"
#include "dawn/common/SystemUtils.h"
#include "dawn/dawn_proc.h"
#include "dawn/native/DawnNative.h"
#include "dawn/tests/MockCallback.h"
#include "dawn/webgpu_cpp.h"
#if defined(DAWN_ENABLE_BACKEND_VULKAN)
#include "dawn/native/VulkanBackend.h"
#endif // defined(DAWN_ENABLE_BACKEND_VULKAN)
#if defined(DAWN_ENABLE_BACKEND_D3D12)
#include "dawn/native/D3D12Backend.h"
#endif // defined(DAWN_ENABLE_BACKEND_D3D12)
#if defined(DAWN_ENABLE_BACKEND_METAL)
#include "dawn/native/MetalBackend.h"
#endif // defined(DAWN_ENABLE_BACKEND_METAL)
#if defined(DAWN_ENABLE_BACKEND_DESKTOP_GL) || defined(DAWN_ENABLE_BACKEND_OPENGLES)
#include "GLFW/glfw3.h"
#include "dawn/native/OpenGLBackend.h"
#endif // defined(DAWN_ENABLE_BACKEND_DESKTOP_GL) || defined(DAWN_ENABLE_BACKEND_OPENGLES)
#include <gtest/gtest.h>
namespace {
using testing::_;
using testing::MockCallback;
using testing::SaveArg;
class AdapterDiscoveryTests : public ::testing::Test {};
#if defined(DAWN_ENABLE_BACKEND_VULKAN)
// Test only discovering the SwiftShader adapter
TEST(AdapterDiscoveryTests, OnlySwiftShader) {
dawn::native::Instance instance;
dawn::native::vulkan::AdapterDiscoveryOptions options;
options.forceSwiftShader = true;
instance.DiscoverAdapters(&options);
const auto& adapters = instance.GetAdapters();
EXPECT_LE(adapters.size(), 1u); // 0 or 1 SwiftShader adapters.
for (const auto& adapter : adapters) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.backendType, wgpu::BackendType::Vulkan);
EXPECT_EQ(properties.adapterType, wgpu::AdapterType::CPU);
EXPECT_TRUE(gpu_info::IsGoogleSwiftshader(properties.vendorID, properties.deviceID));
}
}
// Test discovering only Vulkan adapters
TEST(AdapterDiscoveryTests, OnlyVulkan) {
dawn::native::Instance instance;
dawn::native::vulkan::AdapterDiscoveryOptions options;
instance.DiscoverAdapters(&options);
const auto& adapters = instance.GetAdapters();
for (const auto& adapter : adapters) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.backendType, wgpu::BackendType::Vulkan);
}
}
#endif // defined(DAWN_ENABLE_BACKEND_VULKAN)
#if defined(DAWN_ENABLE_BACKEND_D3D12)
// Test discovering only D3D12 adapters
TEST(AdapterDiscoveryTests, OnlyD3D12) {
dawn::native::Instance instance;
dawn::native::d3d12::AdapterDiscoveryOptions options;
instance.DiscoverAdapters(&options);
const auto& adapters = instance.GetAdapters();
for (const auto& adapter : adapters) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.backendType, wgpu::BackendType::D3D12);
}
}
// Test discovering a D3D12 adapter from a prexisting DXGI adapter
TEST(AdapterDiscoveryTests, MatchingDXGIAdapter) {
using Microsoft::WRL::ComPtr;
ComPtr<IDXGIFactory4> dxgiFactory;
HRESULT hr = ::CreateDXGIFactory2(0, IID_PPV_ARGS(&dxgiFactory));
ASSERT_EQ(hr, S_OK);
for (uint32_t adapterIndex = 0;; ++adapterIndex) {
ComPtr<IDXGIAdapter1> dxgiAdapter = nullptr;
if (dxgiFactory->EnumAdapters1(adapterIndex, &dxgiAdapter) == DXGI_ERROR_NOT_FOUND) {
break; // No more adapters to enumerate.
}
dawn::native::Instance instance;
dawn::native::d3d12::AdapterDiscoveryOptions options;
options.dxgiAdapter = std::move(dxgiAdapter);
instance.DiscoverAdapters(&options);
const auto& adapters = instance.GetAdapters();
for (const auto& adapter : adapters) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.backendType, wgpu::BackendType::D3D12);
}
}
}
#endif // defined(DAWN_ENABLE_BACKEND_D3D12)
#if defined(DAWN_ENABLE_BACKEND_METAL)
// Test discovering only Metal adapters
TEST(AdapterDiscoveryTests, OnlyMetal) {
dawn::native::Instance instance;
dawn::native::metal::AdapterDiscoveryOptions options;
instance.DiscoverAdapters(&options);
const auto& adapters = instance.GetAdapters();
for (const auto& adapter : adapters) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.backendType, wgpu::BackendType::Metal);
}
}
#endif // defined(DAWN_ENABLE_BACKEND_METAL)
#if defined(DAWN_ENABLE_BACKEND_METAL) && defined(DAWN_ENABLE_BACKEND_VULKAN)
// Test discovering the Metal backend, then the Vulkan backend
// does not duplicate adapters.
TEST(AdapterDiscoveryTests, OneBackendThenTheOther) {
dawn::native::Instance instance;
uint32_t metalAdapterCount = 0;
{
dawn::native::metal::AdapterDiscoveryOptions options;
instance.DiscoverAdapters(&options);
const auto& adapters = instance.GetAdapters();
metalAdapterCount = adapters.size();
for (const auto& adapter : adapters) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
ASSERT_EQ(properties.backendType, wgpu::BackendType::Metal);
}
}
{
dawn::native::vulkan::AdapterDiscoveryOptions options;
instance.DiscoverAdapters(&options);
uint32_t metalAdapterCount2 = 0;
const auto& adapters = instance.GetAdapters();
for (const auto& adapter : adapters) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_TRUE(properties.backendType == wgpu::BackendType::Metal ||
properties.backendType == wgpu::BackendType::Vulkan);
if (properties.backendType == wgpu::BackendType::Metal) {
metalAdapterCount2++;
}
}
EXPECT_EQ(metalAdapterCount, metalAdapterCount2);
}
}
#endif // defined(DAWN_ENABLE_BACKEND_VULKAN) && defined(DAWN_ENABLE_BACKEND_METAL)
class AdapterCreationTest : public ::testing::Test {
protected:
void SetUp() override {
dawnProcSetProcs(&dawn_native::GetProcs());
{
auto nativeInstance = std::make_unique<dawn_native::Instance>();
nativeInstance->DiscoverDefaultAdapters();
for (dawn_native::Adapter& nativeAdapter : nativeInstance->GetAdapters()) {
anyAdapterAvailable = true;
wgpu::AdapterProperties properties;
nativeAdapter.GetProperties(&properties);
swiftShaderAvailable =
swiftShaderAvailable ||
gpu_info::IsGoogleSwiftshader(properties.vendorID, properties.deviceID);
discreteGPUAvailable = discreteGPUAvailable ||
properties.adapterType == wgpu::AdapterType::DiscreteGPU;
integratedGPUAvailable = integratedGPUAvailable ||
properties.adapterType == wgpu::AdapterType::IntegratedGPU;
}
}
instance = wgpu::CreateInstance();
}
void TearDown() override {
instance = nullptr;
dawnProcSetProcs(nullptr);
}
wgpu::Instance instance;
bool anyAdapterAvailable = false;
bool swiftShaderAvailable = false;
bool discreteGPUAvailable = false;
bool integratedGPUAvailable = false;
};
// Test that requesting the default adapter works
TEST_F(AdapterCreationTest, DefaultAdapter) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
WGPUAdapter cAdapter = nullptr;
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
.WillOnce(SaveArg<1>(&cAdapter));
instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
}
// Test that passing nullptr for the options gets the default adapter
TEST_F(AdapterCreationTest, NullGivesDefaultAdapter) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
WGPUAdapter cAdapter = nullptr;
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
.WillOnce(SaveArg<1>(&cAdapter));
instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this + 1))
.WillOnce(SaveArg<1>(&cAdapter));
instance.RequestAdapter(nullptr, cb.Callback(), cb.MakeUserdata(this + 1));
wgpu::Adapter adapter2 = wgpu::Adapter::Acquire(cAdapter);
EXPECT_EQ(adapter.Get(), adapter2.Get());
}
// Test that requesting the fallback adapter returns SwiftShader.
TEST_F(AdapterCreationTest, FallbackAdapter) {
wgpu::RequestAdapterOptions options = {};
options.forceFallbackAdapter = true;
MockCallback<WGPURequestAdapterCallback> cb;
WGPUAdapter cAdapter = nullptr;
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
.WillOnce(SaveArg<1>(&cAdapter));
instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
EXPECT_EQ(adapter != nullptr, swiftShaderAvailable);
if (adapter != nullptr) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.adapterType, wgpu::AdapterType::CPU);
EXPECT_TRUE(gpu_info::IsGoogleSwiftshader(properties.vendorID, properties.deviceID));
}
}
// Test that requesting a high performance GPU works
TEST_F(AdapterCreationTest, PreferHighPerformance) {
wgpu::RequestAdapterOptions options = {};
options.powerPreference = wgpu::PowerPreference::HighPerformance;
MockCallback<WGPURequestAdapterCallback> cb;
WGPUAdapter cAdapter = nullptr;
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
.WillOnce(SaveArg<1>(&cAdapter));
instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
if (discreteGPUAvailable) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.adapterType, wgpu::AdapterType::DiscreteGPU);
}
}
// Test that requesting a low power GPU works
TEST_F(AdapterCreationTest, PreferLowPower) {
wgpu::RequestAdapterOptions options = {};
options.powerPreference = wgpu::PowerPreference::LowPower;
MockCallback<WGPURequestAdapterCallback> cb;
WGPUAdapter cAdapter = nullptr;
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
.WillOnce(SaveArg<1>(&cAdapter));
instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
if (integratedGPUAvailable) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.adapterType, wgpu::AdapterType::IntegratedGPU);
}
}
// Test that GetInstance() returns the correct Instance.
TEST_F(AdapterCreationTest, GetInstance) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
WGPUAdapter cAdapter = nullptr;
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, _, nullptr, this))
.WillOnce(SaveArg<1>(&cAdapter));
instance.RequestAdapter(&options, cb.Callback(), cb.MakeUserdata(this));
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
EXPECT_EQ(adapter != nullptr, anyAdapterAvailable);
EXPECT_EQ(adapter.GetInstance().Get(), instance.Get());
}
} // anonymous namespace
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