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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 "tests/MockCallback.h"
#include "tests/unittests/wire/WireTest.h"
#include "dawn_wire/WireClient.h"
#include "dawn_wire/WireServer.h"
#include <webgpu/webgpu_cpp.h>
#include <unordered_set>
#include <vector>
namespace {
using namespace testing;
using namespace dawn::wire;
class WireInstanceBasicTest : public WireTest {};
class WireInstanceTests : public WireTest {
protected:
void SetUp() override {
WireTest::SetUp();
auto reservation = GetWireClient()->ReserveInstance();
instance = wgpu::Instance::Acquire(reservation.instance);
apiInstance = api.GetNewInstance();
EXPECT_CALL(api, InstanceReference(apiInstance));
EXPECT_TRUE(GetWireServer()->InjectInstance(apiInstance, reservation.id,
reservation.generation));
}
void TearDown() override {
instance = nullptr;
WireTest::TearDown();
}
wgpu::Instance instance;
WGPUInstance apiInstance;
};
// Test that an Instance can be reserved and injected into the wire.
TEST_F(WireInstanceBasicTest, ReserveAndInject) {
auto reservation = GetWireClient()->ReserveInstance();
wgpu::Instance instance = wgpu::Instance::Acquire(reservation.instance);
WGPUInstance apiInstance = api.GetNewInstance();
EXPECT_CALL(api, InstanceReference(apiInstance));
EXPECT_TRUE(
GetWireServer()->InjectInstance(apiInstance, reservation.id, reservation.generation));
instance = nullptr;
EXPECT_CALL(api, InstanceRelease(apiInstance));
FlushClient();
}
// Test that RequestAdapterOptions are passed from the client to the server.
TEST_F(WireInstanceTests, RequestAdapterPassesOptions) {
MockCallback<WGPURequestAdapterCallback> cb;
auto* userdata = cb.MakeUserdata(this);
for (wgpu::PowerPreference powerPreference :
{wgpu::PowerPreference::LowPower, wgpu::PowerPreference::HighPerformance}) {
wgpu::RequestAdapterOptions options = {};
options.powerPreference = powerPreference;
instance.RequestAdapter(&options, cb.Callback(), userdata);
EXPECT_CALL(api, OnInstanceRequestAdapter(apiInstance, NotNull(), NotNull(), NotNull()))
.WillOnce(WithArg<1>(Invoke([&](const WGPURequestAdapterOptions* apiOptions) {
EXPECT_EQ(apiOptions->powerPreference,
static_cast<WGPUPowerPreference>(options.powerPreference));
EXPECT_EQ(apiOptions->forceFallbackAdapter, options.forceFallbackAdapter);
})));
FlushClient();
}
// Delete the instance now, or it'll call the mock callback after it's deleted.
instance = nullptr;
}
// Test that RequestAdapter forwards the adapter information to the client.
TEST_F(WireInstanceTests, RequestAdapterSuccess) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
auto* userdata = cb.MakeUserdata(this);
instance.RequestAdapter(&options, cb.Callback(), userdata);
wgpu::AdapterProperties fakeProperties = {};
fakeProperties.vendorID = 0x134;
fakeProperties.deviceID = 0x918;
fakeProperties.name = "fake adapter";
fakeProperties.driverDescription = "hello world";
fakeProperties.backendType = wgpu::BackendType::D3D12;
fakeProperties.adapterType = wgpu::AdapterType::IntegratedGPU;
wgpu::SupportedLimits fakeLimits = {};
fakeLimits.limits.maxTextureDimension1D = 433;
fakeLimits.limits.maxVertexAttributes = 1243;
std::initializer_list<wgpu::FeatureName> fakeFeatures = {
wgpu::FeatureName::Depth32FloatStencil8,
wgpu::FeatureName::TextureCompressionBC,
};
// Expect the server to receive the message. Then, mock a fake reply.
WGPUAdapter apiAdapter = api.GetNewAdapter();
EXPECT_CALL(api, OnInstanceRequestAdapter(apiInstance, NotNull(), NotNull(), NotNull()))
.WillOnce(InvokeWithoutArgs([&]() {
EXPECT_CALL(api, AdapterGetProperties(apiAdapter, NotNull()))
.WillOnce(SetArgPointee<1>(
*reinterpret_cast<WGPUAdapterProperties*>(&fakeProperties)));
EXPECT_CALL(api, AdapterGetLimits(apiAdapter, NotNull()))
.WillOnce(WithArg<1>(Invoke([&](WGPUSupportedLimits* limits) {
*reinterpret_cast<wgpu::SupportedLimits*>(limits) = fakeLimits;
return true;
})));
EXPECT_CALL(api, AdapterEnumerateFeatures(apiAdapter, nullptr))
.WillOnce(Return(fakeFeatures.size()));
EXPECT_CALL(api, AdapterEnumerateFeatures(apiAdapter, NotNull()))
.WillOnce(WithArg<1>(Invoke([&](WGPUFeatureName* features) {
for (wgpu::FeatureName feature : fakeFeatures) {
*(features++) = static_cast<WGPUFeatureName>(feature);
}
return fakeFeatures.size();
})));
api.CallInstanceRequestAdapterCallback(
apiInstance, WGPURequestAdapterStatus_Success, apiAdapter, nullptr);
}));
FlushClient();
// Expect the callback in the client and all the adapter information to match.
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, NotNull(), nullptr, this))
.WillOnce(WithArg<1>(Invoke([&](WGPUAdapter cAdapter) {
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
EXPECT_EQ(properties.vendorID, fakeProperties.vendorID);
EXPECT_EQ(properties.deviceID, fakeProperties.deviceID);
EXPECT_STREQ(properties.name, fakeProperties.name);
EXPECT_STREQ(properties.driverDescription, fakeProperties.driverDescription);
EXPECT_EQ(properties.backendType, fakeProperties.backendType);
EXPECT_EQ(properties.adapterType, fakeProperties.adapterType);
wgpu::SupportedLimits limits;
EXPECT_TRUE(adapter.GetLimits(&limits));
EXPECT_EQ(limits.limits.maxTextureDimension1D,
fakeLimits.limits.maxTextureDimension1D);
EXPECT_EQ(limits.limits.maxVertexAttributes, fakeLimits.limits.maxVertexAttributes);
std::vector<wgpu::FeatureName> features;
features.resize(adapter.EnumerateFeatures(nullptr));
ASSERT_EQ(features.size(), fakeFeatures.size());
EXPECT_EQ(adapter.EnumerateFeatures(&features[0]), features.size());
std::unordered_set<wgpu::FeatureName> featureSet(fakeFeatures);
for (wgpu::FeatureName feature : features) {
EXPECT_EQ(featureSet.erase(feature), 1u);
}
})));
FlushServer();
}
// Test that features returned by the implementation that aren't supported
// in the wire are not exposed.
TEST_F(WireInstanceTests, RequestAdapterWireLacksFeatureSupport) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
auto* userdata = cb.MakeUserdata(this);
instance.RequestAdapter(&options, cb.Callback(), userdata);
std::initializer_list<wgpu::FeatureName> fakeFeatures = {
wgpu::FeatureName::Depth24UnormStencil8,
// Some value that is not a valid feature
static_cast<wgpu::FeatureName>(-2),
};
// Expect the server to receive the message. Then, mock a fake reply.
WGPUAdapter apiAdapter = api.GetNewAdapter();
EXPECT_CALL(api, OnInstanceRequestAdapter(apiInstance, NotNull(), NotNull(), NotNull()))
.WillOnce(InvokeWithoutArgs([&]() {
EXPECT_CALL(api, AdapterGetProperties(apiAdapter, NotNull()))
.WillOnce(WithArg<1>(Invoke([&](WGPUAdapterProperties* properties) {
*properties = {};
properties->name = "";
properties->driverDescription = "";
})));
EXPECT_CALL(api, AdapterGetLimits(apiAdapter, NotNull()))
.WillOnce(WithArg<1>(Invoke([&](WGPUSupportedLimits* limits) {
*limits = {};
return true;
})));
EXPECT_CALL(api, AdapterEnumerateFeatures(apiAdapter, nullptr))
.WillOnce(Return(fakeFeatures.size()));
EXPECT_CALL(api, AdapterEnumerateFeatures(apiAdapter, NotNull()))
.WillOnce(WithArg<1>(Invoke([&](WGPUFeatureName* features) {
for (wgpu::FeatureName feature : fakeFeatures) {
*(features++) = static_cast<WGPUFeatureName>(feature);
}
return fakeFeatures.size();
})));
api.CallInstanceRequestAdapterCallback(
apiInstance, WGPURequestAdapterStatus_Success, apiAdapter, nullptr);
}));
FlushClient();
// Expect the callback in the client and all the adapter information to match.
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Success, NotNull(), nullptr, this))
.WillOnce(WithArg<1>(Invoke([&](WGPUAdapter cAdapter) {
wgpu::Adapter adapter = wgpu::Adapter::Acquire(cAdapter);
wgpu::FeatureName feature;
ASSERT_EQ(adapter.EnumerateFeatures(nullptr), 1u);
adapter.EnumerateFeatures(&feature);
EXPECT_EQ(feature, wgpu::FeatureName::Depth24UnormStencil8);
})));
FlushServer();
}
// Test that RequestAdapter errors forward to the client.
TEST_F(WireInstanceTests, RequestAdapterError) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
auto* userdata = cb.MakeUserdata(this);
instance.RequestAdapter(&options, cb.Callback(), userdata);
// Expect the server to receive the message. Then, mock an error.
EXPECT_CALL(api, OnInstanceRequestAdapter(apiInstance, NotNull(), NotNull(), NotNull()))
.WillOnce(InvokeWithoutArgs([&]() {
api.CallInstanceRequestAdapterCallback(apiInstance, WGPURequestAdapterStatus_Error,
nullptr, "Some error");
}));
FlushClient();
// Expect the callback in the client.
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Error, nullptr, StrEq("Some error"), this))
.Times(1);
FlushServer();
}
// Test that RequestAdapter receives unknown status if the instance is deleted
// before the callback happens.
TEST_F(WireInstanceTests, RequestAdapterInstanceDestroyedBeforeCallback) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
auto* userdata = cb.MakeUserdata(this);
instance.RequestAdapter(&options, cb.Callback(), userdata);
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Unknown, nullptr, NotNull(), this)).Times(1);
instance = nullptr;
}
// Test that RequestAdapter receives unknown status if the wire is disconnected
// before the callback happens.
TEST_F(WireInstanceTests, RequestAdapterWireDisconnectBeforeCallback) {
wgpu::RequestAdapterOptions options = {};
MockCallback<WGPURequestAdapterCallback> cb;
auto* userdata = cb.MakeUserdata(this);
instance.RequestAdapter(&options, cb.Callback(), userdata);
EXPECT_CALL(cb, Call(WGPURequestAdapterStatus_Unknown, nullptr, NotNull(), this)).Times(1);
GetWireClient()->Disconnect();
}
} // anonymous namespace