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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/unittests/wire/WireTest.h"
#include "dawn_wire/WireClient.h"
#include "dawn_wire/WireServer.h"
using namespace testing;
using namespace dawn_wire;
class WireInjectDeviceTests : public WireTest {
public:
WireInjectDeviceTests() {
}
~WireInjectDeviceTests() override = default;
};
// Test that reserving and injecting a device makes calls on the client object forward to the
// server object correctly.
TEST_F(WireInjectDeviceTests, CallAfterReserveInject) {
ReservedDevice reservation = GetWireClient()->ReserveDevice();
WGPUDevice serverDevice = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice, reservation.id, reservation.generation));
WGPUBufferDescriptor bufferDesc = {};
wgpuDeviceCreateBuffer(reservation.device, &bufferDesc);
WGPUBuffer serverBuffer = api.GetNewBuffer();
EXPECT_CALL(api, DeviceCreateBuffer(serverDevice, _)).WillOnce(Return(serverBuffer));
FlushClient();
// Called on shutdown.
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, nullptr, nullptr))
.Times(Exactly(1));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, nullptr, nullptr))
.Times(Exactly(1));
}
// Test that reserve correctly returns different IDs each time.
TEST_F(WireInjectDeviceTests, ReserveDifferentIDs) {
ReservedDevice reservation1 = GetWireClient()->ReserveDevice();
ReservedDevice reservation2 = GetWireClient()->ReserveDevice();
ASSERT_NE(reservation1.id, reservation2.id);
ASSERT_NE(reservation1.device, reservation2.device);
}
// Test that injecting the same id without a destroy first fails.
TEST_F(WireInjectDeviceTests, InjectExistingID) {
ReservedDevice reservation = GetWireClient()->ReserveDevice();
WGPUDevice serverDevice = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice, reservation.id, reservation.generation));
// ID already in use, call fails.
ASSERT_FALSE(
GetWireServer()->InjectDevice(serverDevice, reservation.id, reservation.generation));
// Called on shutdown.
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, nullptr, nullptr))
.Times(Exactly(1));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, nullptr, nullptr))
.Times(Exactly(1));
}
// Test that the server only borrows the device and does a single reference-release
TEST_F(WireInjectDeviceTests, InjectedDeviceLifetime) {
ReservedDevice reservation = GetWireClient()->ReserveDevice();
// Injecting the device adds a reference
WGPUDevice serverDevice = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice, reservation.id, reservation.generation));
// Releasing the device removes a single reference and clears its error callbacks.
wgpuDeviceRelease(reservation.device);
EXPECT_CALL(api, DeviceRelease(serverDevice));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, nullptr, nullptr)).Times(1);
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, nullptr, nullptr)).Times(1);
FlushClient();
// Deleting the server doesn't release a second reference.
DeleteServer();
Mock::VerifyAndClearExpectations(&api);
}
// Test that it is an error to get the primary queue of a device before it has been
// injected on the server.
TEST_F(WireInjectDeviceTests, GetQueueBeforeInject) {
ReservedDevice reservation = GetWireClient()->ReserveDevice();
wgpuDeviceGetQueue(reservation.device);
FlushClient(false);
}
// Test that it is valid to get the primary queue of a device after it has been
// injected on the server.
TEST_F(WireInjectDeviceTests, GetQueueAfterInject) {
ReservedDevice reservation = GetWireClient()->ReserveDevice();
WGPUDevice serverDevice = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice, reservation.id, reservation.generation));
wgpuDeviceGetQueue(reservation.device);
WGPUQueue apiQueue = api.GetNewQueue();
EXPECT_CALL(api, DeviceGetQueue(serverDevice)).WillOnce(Return(apiQueue));
FlushClient();
// Called on shutdown.
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice, nullptr, nullptr))
.Times(Exactly(1));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice, nullptr, nullptr))
.Times(Exactly(1));
}
// Test that the list of live devices can be reflected using GetDevice.
TEST_F(WireInjectDeviceTests, ReflectLiveDevices) {
// Reserve two devices.
ReservedDevice reservation1 = GetWireClient()->ReserveDevice();
ReservedDevice reservation2 = GetWireClient()->ReserveDevice();
// Inject both devices.
WGPUDevice serverDevice1 = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice1));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice1, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice1, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice1, reservation1.id, reservation1.generation));
WGPUDevice serverDevice2 = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice2));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice2, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice2, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice2, reservation2.id, reservation2.generation));
// Test that both devices can be reflected.
ASSERT_EQ(serverDevice1, GetWireServer()->GetDevice(reservation1.id, reservation1.generation));
ASSERT_EQ(serverDevice2, GetWireServer()->GetDevice(reservation2.id, reservation2.generation));
// Release the first device
wgpuDeviceRelease(reservation1.device);
EXPECT_CALL(api, DeviceRelease(serverDevice1));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice1, nullptr, nullptr)).Times(1);
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice1, nullptr, nullptr)).Times(1);
FlushClient();
// The first device should no longer reflect, but the second should
ASSERT_EQ(nullptr, GetWireServer()->GetDevice(reservation1.id, reservation1.generation));
ASSERT_EQ(serverDevice2, GetWireServer()->GetDevice(reservation2.id, reservation2.generation));
// Called on shutdown.
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice2, nullptr, nullptr)).Times(1);
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice2, nullptr, nullptr)).Times(1);
}
// This is a regression test where a second device reservation invalidated pointers into the
// KnownObjects std::vector of devices. The fix was to store pointers to heap allocated
// objects instead.
TEST_F(WireInjectDeviceTests, TrackChildObjectsWithTwoReservedDevices) {
// Reserve one device, inject it, and get the primary queue.
ReservedDevice reservation1 = GetWireClient()->ReserveDevice();
WGPUDevice serverDevice1 = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice1));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice1, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice1, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice1, reservation1.id, reservation1.generation));
WGPUCommandEncoder commandEncoder =
wgpuDeviceCreateCommandEncoder(reservation1.device, nullptr);
WGPUCommandEncoder serverCommandEncoder = api.GetNewCommandEncoder();
EXPECT_CALL(api, DeviceCreateCommandEncoder(serverDevice1, _))
.WillOnce(Return(serverCommandEncoder));
FlushClient();
// Reserve a second device, and inject it.
ReservedDevice reservation2 = GetWireClient()->ReserveDevice();
WGPUDevice serverDevice2 = api.GetNewDevice();
EXPECT_CALL(api, DeviceReference(serverDevice2));
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice2, _, _));
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice2, _, _));
ASSERT_TRUE(
GetWireServer()->InjectDevice(serverDevice2, reservation2.id, reservation2.generation));
// Release the encoder. This should work without error because it stores a stable
// pointer to its device's list of child objects. On destruction, it removes itself from the
// list.
wgpuCommandEncoderRelease(commandEncoder);
EXPECT_CALL(api, CommandEncoderRelease(serverCommandEncoder));
FlushClient();
// Called on shutdown.
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice1, nullptr, nullptr)).Times(1);
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice1, nullptr, nullptr)).Times(1);
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(serverDevice2, nullptr, nullptr)).Times(1);
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(serverDevice2, nullptr, nullptr)).Times(1);
}
// Test that a device reservation can be reclaimed. This is necessary to
// avoid leaking ObjectIDs for reservations that are never injected.
TEST_F(WireInjectDeviceTests, ReclaimDeviceReservation) {
// Test that doing a reservation and full release is an error.
{
ReservedDevice reservation = GetWireClient()->ReserveDevice();
wgpuDeviceRelease(reservation.device);
FlushClient(false);
}
// Test that doing a reservation and then reclaiming it recycles the ID.
{
ReservedDevice reservation1 = GetWireClient()->ReserveDevice();
GetWireClient()->ReclaimDeviceReservation(reservation1);
ReservedDevice reservation2 = GetWireClient()->ReserveDevice();
// The ID is the same, but the generation is still different.
ASSERT_EQ(reservation1.id, reservation2.id);
ASSERT_NE(reservation1.generation, reservation2.generation);
// No errors should occur.
FlushClient();
}
}