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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 "tests/DawnTest.h"
#include <gmock/gmock.h>
#include "tests/MockCallback.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/WGPUHelpers.h"
#include <cstring>
using namespace testing;
class MockDeviceLostCallback {
public:
MOCK_METHOD(void, Call, (const char* message, void* userdata));
};
static std::unique_ptr<MockDeviceLostCallback> mockDeviceLostCallback;
static void ToMockDeviceLostCallback(const char* message, void* userdata) {
mockDeviceLostCallback->Call(message, userdata);
DawnTestBase* self = static_cast<DawnTestBase*>(userdata);
self->StartExpectDeviceError();
}
class MockFenceOnCompletionCallback {
public:
MOCK_METHOD(void, Call, (WGPUFenceCompletionStatus status, void* userdata));
};
static std::unique_ptr<MockFenceOnCompletionCallback> mockFenceOnCompletionCallback;
static void ToMockFenceOnCompletionFails(WGPUFenceCompletionStatus status, void* userdata) {
EXPECT_EQ(WGPUFenceCompletionStatus_DeviceLost, status);
mockFenceOnCompletionCallback->Call(status, userdata);
mockFenceOnCompletionCallback = nullptr;
}
static void ToMockFenceOnCompletionSucceeds(WGPUFenceCompletionStatus status, void* userdata) {
EXPECT_EQ(WGPUFenceCompletionStatus_Success, status);
mockFenceOnCompletionCallback->Call(status, userdata);
mockFenceOnCompletionCallback = nullptr;
}
class MockQueueWorkDoneCallback {
public:
MOCK_METHOD(void, Call, (WGPUQueueWorkDoneStatus status, void* userdata));
};
static std::unique_ptr<MockQueueWorkDoneCallback> mockQueueWorkDoneCallback;
static void ToMockQueueWorkDone(WGPUQueueWorkDoneStatus status, void* userdata) {
mockQueueWorkDoneCallback->Call(status, userdata);
}
static const int fakeUserData = 0;
class DeviceLostTest : public DawnTest {
protected:
void SetUp() override {
DawnTest::SetUp();
DAWN_SKIP_TEST_IF(UsesWire());
mockDeviceLostCallback = std::make_unique<MockDeviceLostCallback>();
mockFenceOnCompletionCallback = std::make_unique<MockFenceOnCompletionCallback>();
mockQueueWorkDoneCallback = std::make_unique<MockQueueWorkDoneCallback>();
}
void TearDown() override {
mockDeviceLostCallback = nullptr;
mockFenceOnCompletionCallback = nullptr;
mockQueueWorkDoneCallback = nullptr;
DawnTest::TearDown();
}
void SetCallbackAndLoseForTesting() {
device.SetDeviceLostCallback(ToMockDeviceLostCallback, this);
EXPECT_CALL(*mockDeviceLostCallback, Call(_, this)).Times(1);
device.LoseForTesting();
}
static void MapFailCallback(WGPUBufferMapAsyncStatus status, void* userdata) {
EXPECT_EQ(WGPUBufferMapAsyncStatus_DeviceLost, status);
EXPECT_EQ(&fakeUserData, userdata);
}
};
// Test that DeviceLostCallback is invoked when LostForTestimg is called
TEST_P(DeviceLostTest, DeviceLostCallbackIsCalled) {
SetCallbackAndLoseForTesting();
}
// Test that submit fails when device is lost
TEST_P(DeviceLostTest, SubmitFails) {
wgpu::CommandBuffer commands;
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
commands = encoder.Finish();
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(queue.Submit(0, &commands));
}
// Test that CreateBindGroupLayout fails when device is lost
TEST_P(DeviceLostTest, CreateBindGroupLayoutFails) {
SetCallbackAndLoseForTesting();
wgpu::BindGroupLayoutEntry entry;
entry.binding = 0;
entry.visibility = wgpu::ShaderStage::None;
entry.buffer.type = wgpu::BufferBindingType::Uniform;
wgpu::BindGroupLayoutDescriptor descriptor;
descriptor.entryCount = 1;
descriptor.entries = &entry;
ASSERT_DEVICE_ERROR(device.CreateBindGroupLayout(&descriptor));
}
// Test that GetBindGroupLayout fails when device is lost
TEST_P(DeviceLostTest, GetBindGroupLayoutFails) {
wgpu::ShaderModule csModule = utils::CreateShaderModule(device, R"(
[[block]] struct UniformBuffer {
pos : vec4<f32>;
};
[[group(0), binding(0)]] var<uniform> ubo : UniformBuffer;
[[stage(compute)]] fn main() {
})");
wgpu::ComputePipelineDescriptor descriptor;
descriptor.layout = nullptr;
descriptor.computeStage.module = csModule;
descriptor.computeStage.entryPoint = "main";
wgpu::ComputePipeline pipeline = device.CreateComputePipeline(&descriptor);
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(pipeline.GetBindGroupLayout(0).Get());
}
// Test that CreateBindGroup fails when device is lost
TEST_P(DeviceLostTest, CreateBindGroupFails) {
SetCallbackAndLoseForTesting();
wgpu::BindGroupEntry entry;
entry.binding = 0;
entry.sampler = nullptr;
entry.textureView = nullptr;
entry.buffer = nullptr;
entry.offset = 0;
entry.size = 0;
wgpu::BindGroupDescriptor descriptor;
descriptor.layout = nullptr;
descriptor.entryCount = 1;
descriptor.entries = &entry;
ASSERT_DEVICE_ERROR(device.CreateBindGroup(&descriptor));
}
// Test that CreatePipelineLayout fails when device is lost
TEST_P(DeviceLostTest, CreatePipelineLayoutFails) {
SetCallbackAndLoseForTesting();
wgpu::PipelineLayoutDescriptor descriptor;
descriptor.bindGroupLayoutCount = 0;
descriptor.bindGroupLayouts = nullptr;
ASSERT_DEVICE_ERROR(device.CreatePipelineLayout(&descriptor));
}
// Tests that CreateRenderBundleEncoder fails when device is lost
TEST_P(DeviceLostTest, CreateRenderBundleEncoderFails) {
SetCallbackAndLoseForTesting();
wgpu::RenderBundleEncoderDescriptor descriptor;
descriptor.colorFormatsCount = 0;
descriptor.colorFormats = nullptr;
ASSERT_DEVICE_ERROR(device.CreateRenderBundleEncoder(&descriptor));
}
// Tests that CreateComputePipeline fails when device is lost
TEST_P(DeviceLostTest, CreateComputePipelineFails) {
SetCallbackAndLoseForTesting();
wgpu::ComputePipelineDescriptor descriptor = {};
descriptor.layout = nullptr;
descriptor.computeStage.module = nullptr;
ASSERT_DEVICE_ERROR(device.CreateComputePipeline(&descriptor));
}
// Tests that CreateRenderPipeline fails when device is lost
TEST_P(DeviceLostTest, CreateRenderPipelineFails) {
SetCallbackAndLoseForTesting();
utils::ComboRenderPipelineDescriptor2 descriptor;
ASSERT_DEVICE_ERROR(device.CreateRenderPipeline2(&descriptor));
}
// Tests that CreateSampler fails when device is lost
TEST_P(DeviceLostTest, CreateSamplerFails) {
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(device.CreateSampler());
}
// Tests that CreateShaderModule fails when device is lost
TEST_P(DeviceLostTest, CreateShaderModuleFails) {
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"(
[[location(0)]] var<in> color : vec4<f32>;
[[location(0)]] var<out> fragColor : vec4<f32>;
[[stage(fragment)]] fn main() {
fragColor = color;
})"));
}
// Tests that CreateSwapChain fails when device is lost
TEST_P(DeviceLostTest, CreateSwapChainFails) {
SetCallbackAndLoseForTesting();
wgpu::SwapChainDescriptor descriptor = {};
ASSERT_DEVICE_ERROR(device.CreateSwapChain(nullptr, &descriptor));
}
// Tests that CreateTexture fails when device is lost
TEST_P(DeviceLostTest, CreateTextureFails) {
SetCallbackAndLoseForTesting();
wgpu::TextureDescriptor descriptor;
descriptor.size.width = 4;
descriptor.size.height = 4;
descriptor.size.depthOrArrayLayers = 1;
descriptor.mipLevelCount = 1;
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.usage = wgpu::TextureUsage::RenderAttachment;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
TEST_P(DeviceLostTest, TickFails) {
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(device.Tick());
}
// Test that CreateBuffer fails when device is lost
TEST_P(DeviceLostTest, CreateBufferFails) {
SetCallbackAndLoseForTesting();
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = sizeof(float);
bufferDescriptor.usage = wgpu::BufferUsage::CopySrc;
ASSERT_DEVICE_ERROR(device.CreateBuffer(&bufferDescriptor));
}
// Test that buffer.MapAsync for writing fails after device is lost
TEST_P(DeviceLostTest, BufferMapAsyncFailsForWriting) {
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = 4;
bufferDescriptor.usage = wgpu::BufferUsage::MapWrite;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor);
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(buffer.MapAsync(wgpu::MapMode::Write, 0, 4, MapFailCallback,
const_cast<int*>(&fakeUserData)));
}
// Test that BufferMapAsync for writing calls back with device lost status when device lost after
// mapping
TEST_P(DeviceLostTest, BufferMapAsyncBeforeLossFailsForWriting) {
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = 4;
bufferDescriptor.usage = wgpu::BufferUsage::MapWrite;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor);
buffer.MapAsync(wgpu::MapMode::Write, 0, 4, MapFailCallback, const_cast<int*>(&fakeUserData));
SetCallbackAndLoseForTesting();
}
// Test that buffer.Unmap fails after device is lost
TEST_P(DeviceLostTest, BufferUnmapFails) {
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = sizeof(float);
bufferDescriptor.usage = wgpu::BufferUsage::MapWrite;
bufferDescriptor.mappedAtCreation = true;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor);
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(buffer.Unmap());
}
// Test that mappedAtCreation fails after device is lost
TEST_P(DeviceLostTest, CreateBufferMappedAtCreationFails) {
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = sizeof(float);
bufferDescriptor.usage = wgpu::BufferUsage::MapWrite;
bufferDescriptor.mappedAtCreation = true;
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(device.CreateBuffer(&bufferDescriptor));
}
// Test that BufferMapAsync for reading fails after device is lost
TEST_P(DeviceLostTest, BufferMapAsyncFailsForReading) {
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = 4;
bufferDescriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor);
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(buffer.MapAsync(wgpu::MapMode::Read, 0, 4, MapFailCallback,
const_cast<int*>(&fakeUserData)));
}
// Test that BufferMapAsync for reading calls back with device lost status when device lost after
// mapping
TEST_P(DeviceLostTest, BufferMapAsyncBeforeLossFailsForReading) {
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = sizeof(float);
bufferDescriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor);
buffer.MapAsync(wgpu::MapMode::Read, 0, 4, MapFailCallback, const_cast<int*>(&fakeUserData));
SetCallbackAndLoseForTesting();
}
// Test that WriteBuffer fails after device is lost
TEST_P(DeviceLostTest, WriteBufferFails) {
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = sizeof(float);
bufferDescriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor);
SetCallbackAndLoseForTesting();
float data = 12.0f;
ASSERT_DEVICE_ERROR(queue.WriteBuffer(buffer, 0, &data, sizeof(data)));
}
// Test it's possible to GetMappedRange on a buffer created mapped after device loss
TEST_P(DeviceLostTest, GetMappedRange_CreateBufferMappedAtCreationAfterLoss) {
SetCallbackAndLoseForTesting();
wgpu::BufferDescriptor desc;
desc.size = 4;
desc.usage = wgpu::BufferUsage::CopySrc;
desc.mappedAtCreation = true;
ASSERT_DEVICE_ERROR(wgpu::Buffer buffer = device.CreateBuffer(&desc));
ASSERT_NE(buffer.GetMappedRange(), nullptr);
}
// Test that device loss doesn't change the result of GetMappedRange, mappedAtCreation version.
TEST_P(DeviceLostTest, GetMappedRange_CreateBufferMappedAtCreationBeforeLoss) {
wgpu::BufferDescriptor desc;
desc.size = 4;
desc.usage = wgpu::BufferUsage::CopySrc;
desc.mappedAtCreation = true;
wgpu::Buffer buffer = device.CreateBuffer(&desc);
void* rangeBeforeLoss = buffer.GetMappedRange();
SetCallbackAndLoseForTesting();
ASSERT_NE(buffer.GetMappedRange(), nullptr);
ASSERT_EQ(buffer.GetMappedRange(), rangeBeforeLoss);
}
// Test that device loss doesn't change the result of GetMappedRange, mapping for reading version.
TEST_P(DeviceLostTest, GetMappedRange_MapAsyncReading) {
wgpu::BufferDescriptor desc;
desc.size = 4;
desc.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&desc);
buffer.MapAsync(wgpu::MapMode::Read, 0, 4, nullptr, nullptr);
queue.Submit(0, nullptr);
const void* rangeBeforeLoss = buffer.GetConstMappedRange();
SetCallbackAndLoseForTesting();
ASSERT_NE(buffer.GetConstMappedRange(), nullptr);
ASSERT_EQ(buffer.GetConstMappedRange(), rangeBeforeLoss);
}
// Test that device loss doesn't change the result of GetMappedRange, mapping for writing version.
TEST_P(DeviceLostTest, GetMappedRange_MapAsyncWriting) {
wgpu::BufferDescriptor desc;
desc.size = 4;
desc.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc;
wgpu::Buffer buffer = device.CreateBuffer(&desc);
buffer.MapAsync(wgpu::MapMode::Write, 0, 4, nullptr, nullptr);
queue.Submit(0, nullptr);
const void* rangeBeforeLoss = buffer.GetConstMappedRange();
SetCallbackAndLoseForTesting();
ASSERT_NE(buffer.GetConstMappedRange(), nullptr);
ASSERT_EQ(buffer.GetConstMappedRange(), rangeBeforeLoss);
}
// TODO mapasync read + resolve + loss getmappedrange != nullptr.
// TODO mapasync write + resolve + loss getmappedrange != nullptr.
// Test that Command Encoder Finish fails when device lost
TEST_P(DeviceLostTest, CommandEncoderFinishFails) {
wgpu::CommandBuffer commands;
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(encoder.Finish());
}
// Test that CreateFenceFails when device is lost
TEST_P(DeviceLostTest, CreateFenceFails) {
SetCallbackAndLoseForTesting();
EXPECT_DEPRECATION_WARNING(ASSERT_DEVICE_ERROR(queue.CreateFence()));
}
// Test that queue signal fails when device is lost
TEST_P(DeviceLostTest, QueueSignalFenceFails) {
wgpu::Fence fence;
EXPECT_DEPRECATION_WARNING(fence = queue.CreateFence());
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(queue.Signal(fence, 3));
// callback should have device lost status
EXPECT_CALL(*mockFenceOnCompletionCallback, Call(WGPUFenceCompletionStatus_DeviceLost, nullptr))
.Times(1);
ASSERT_DEVICE_ERROR(fence.OnCompletion(2u, ToMockFenceOnCompletionFails, nullptr));
// completed value should not have changed from initial value
EXPECT_EQ(fence.GetCompletedValue(), 0u);
}
// Test that Fence On Completion fails after device is lost
TEST_P(DeviceLostTest, FenceOnCompletionFails) {
wgpu::Fence fence;
EXPECT_DEPRECATION_WARNING(fence = queue.CreateFence());
queue.Signal(fence, 2);
SetCallbackAndLoseForTesting();
// callback should have device lost status
EXPECT_CALL(*mockFenceOnCompletionCallback, Call(WGPUFenceCompletionStatus_DeviceLost, nullptr))
.Times(1);
ASSERT_DEVICE_ERROR(fence.OnCompletion(2u, ToMockFenceOnCompletionFails, nullptr));
ASSERT_DEVICE_ERROR(device.Tick());
// completed value is the last value signaled (all previous GPU operations are as if completed)
EXPECT_EQ(fence.GetCompletedValue(), 2u);
}
// Test that Fence::OnCompletion callbacks with device lost status when device is lost after calling
// OnCompletion
TEST_P(DeviceLostTest, FenceOnCompletionBeforeLossFails) {
wgpu::Fence fence;
EXPECT_DEPRECATION_WARNING(fence = queue.CreateFence());
queue.Signal(fence, 2);
// callback should have device lost status
EXPECT_CALL(*mockFenceOnCompletionCallback, Call(WGPUFenceCompletionStatus_DeviceLost, nullptr))
.Times(1);
fence.OnCompletion(2u, ToMockFenceOnCompletionFails, nullptr);
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(device.Tick());
EXPECT_EQ(fence.GetCompletedValue(), 2u);
}
// Test that QueueOnSubmittedWorkDone fails after device is lost.
TEST_P(DeviceLostTest, QueueOnSubmittedWorkDoneFails) {
SetCallbackAndLoseForTesting();
// callback should have device lost status
EXPECT_CALL(*mockQueueWorkDoneCallback, Call(WGPUQueueWorkDoneStatus_DeviceLost, nullptr))
.Times(1);
ASSERT_DEVICE_ERROR(queue.OnSubmittedWorkDone(0, ToMockQueueWorkDone, nullptr));
ASSERT_DEVICE_ERROR(device.Tick());
}
// Test that QueueOnSubmittedWorkDone when the device is lost after calling OnSubmittedWorkDone
TEST_P(DeviceLostTest, QueueOnSubmittedWorkDoneBeforeLossFails) {
// callback should have device lost status
EXPECT_CALL(*mockQueueWorkDoneCallback, Call(WGPUQueueWorkDoneStatus_DeviceLost, nullptr))
.Times(1);
queue.OnSubmittedWorkDone(0, ToMockQueueWorkDone, nullptr);
SetCallbackAndLoseForTesting();
ASSERT_DEVICE_ERROR(device.Tick());
}
// Regression test for the Null backend not properly setting the completedSerial when
// WaitForIdleForDestruction is called, causing the fence signaling to not be retired and an
// ASSERT to fire.
TEST_P(DeviceLostTest, AfterSubmitAndSerial) {
queue.Submit(0, nullptr);
wgpu::Fence fence;
EXPECT_DEPRECATION_WARNING(fence = queue.CreateFence());
queue.Signal(fence, 1);
SetCallbackAndLoseForTesting();
}
// Test that when you Signal, then Tick, then device lost, the fence completed value would be 2
TEST_P(DeviceLostTest, FenceSignalTickOnCompletion) {
wgpu::Fence fence;
EXPECT_DEPRECATION_WARNING(fence = queue.CreateFence());
queue.Signal(fence, 2);
WaitForAllOperations();
// callback should have device lost status
EXPECT_CALL(*mockFenceOnCompletionCallback, Call(WGPUFenceCompletionStatus_Success, nullptr))
.Times(1);
fence.OnCompletion(2u, ToMockFenceOnCompletionSucceeds, nullptr);
SetCallbackAndLoseForTesting();
EXPECT_EQ(fence.GetCompletedValue(), 2u);
}
// Test that LostForTesting can only be called on one time
TEST_P(DeviceLostTest, LoseForTestingOnce) {
// First LoseForTesting call should occur normally
SetCallbackAndLoseForTesting();
// Second LoseForTesting call should result in no callbacks. The LoseForTesting will return
// without doing anything when it sees that device has already been lost.
device.SetDeviceLostCallback(ToMockDeviceLostCallback, this);
EXPECT_CALL(*mockDeviceLostCallback, Call(_, this)).Times(0);
device.LoseForTesting();
}
TEST_P(DeviceLostTest, DeviceLostDoesntCallUncapturedError) {
// Set no callback.
device.SetDeviceLostCallback(nullptr, nullptr);
// Set the uncaptured error callback which should not be called on
// device lost.
MockCallback<WGPUErrorCallback> mockErrorCallback;
device.SetUncapturedErrorCallback(mockErrorCallback.Callback(),
mockErrorCallback.MakeUserdata(nullptr));
EXPECT_CALL(mockErrorCallback, Call(_, _, _)).Times(Exactly(0));
device.LoseForTesting();
}
DAWN_INSTANTIATE_TEST(DeviceLostTest,
D3D12Backend(),
MetalBackend(),
NullBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());