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// Copyright 2021 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <memory>
#include <utility>
#include <vector>
#include "dawn/dawn_proc.h"
#include "dawn/tests/DawnTest.h"
#include "dawn/utils/SystemUtils.h"
#include "dawn/utils/WGPUHelpers.h"
namespace dawn {
namespace {
class DeviceInitializationTest : public testing::Test {
protected:
void SetUp() override { dawnProcSetProcs(&native::GetProcs()); }
void TearDown() override { dawnProcSetProcs(nullptr); }
// Test that the device can still be used by creating an async pipeline. Note that this test
// would be better if we did something like a buffer copy instead, but that can only be done
// once wgpu::CallbackMode::AllowSpontaneous is completely implemented.
// TODO(crbug.com/42241003): Update this test do a buffer copy instead.
void ExpectDeviceUsable(wgpu::Device device) {
device.PushErrorScope(wgpu::ErrorFilter::Validation);
wgpu::ComputePipelineDescriptor desc;
desc.compute.module = utils::CreateShaderModule(device, R"(
@compute @workgroup_size(1) fn main() {}
)");
std::atomic<uint8_t> callbacks = 0;
device.CreateComputePipelineAsync(
&desc, wgpu::CallbackMode::AllowSpontaneous,
[&callbacks](wgpu::CreatePipelineAsyncStatus status, wgpu::ComputePipeline pipeline,
const char*) {
EXPECT_EQ(status, wgpu::CreatePipelineAsyncStatus::Success);
EXPECT_NE(pipeline, nullptr);
callbacks++;
});
device.PopErrorScope(
wgpu::CallbackMode::AllowSpontaneous,
[&callbacks](wgpu::PopErrorScopeStatus status, wgpu::ErrorType type, const char*) {
EXPECT_EQ(status, wgpu::PopErrorScopeStatus::Success);
EXPECT_EQ(type, wgpu::ErrorType::NoError);
callbacks++;
});
while (callbacks != 2) {
utils::USleep(100);
}
}
};
// Test that device operations are still valid if the reference to the instance
// is dropped.
TEST_F(DeviceInitializationTest, DeviceOutlivesInstance) {
// Get properties of all available adapters and then free the instance.
// We want to create a device on a fresh instance and adapter each time.
std::vector<wgpu::AdapterProperties> availableAdapterProperties;
{
auto instance = std::make_unique<native::Instance>();
for (const native::Adapter& adapter : instance->EnumerateAdapters()) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
if (properties.backendType == wgpu::BackendType::Null) {
continue;
}
availableAdapterProperties.push_back(std::move(properties));
}
}
for (const wgpu::AdapterProperties& desiredProperties : availableAdapterProperties) {
wgpu::Device device;
auto instance = std::make_unique<native::Instance>();
for (native::Adapter& adapter : instance->EnumerateAdapters()) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
if (properties.deviceID == desiredProperties.deviceID &&
properties.vendorID == desiredProperties.vendorID &&
properties.adapterType == desiredProperties.adapterType &&
properties.backendType == desiredProperties.backendType) {
// Create the device, destroy the instance, and break out of the loop.
device = wgpu::Device::Acquire(adapter.CreateDevice());
instance.reset();
break;
}
}
if (device) {
ExpectDeviceUsable(std::move(device));
}
}
}
// Test that it is still possible to create a device from an adapter after the reference to the
// instance is dropped.
TEST_F(DeviceInitializationTest, AdapterOutlivesInstance) {
// Get properties of all available adapters and then free the instance.
// We want to create a device on a fresh instance and adapter each time.
std::vector<wgpu::AdapterProperties> availableAdapterProperties;
{
auto instance = std::make_unique<native::Instance>();
for (const native::Adapter& adapter : instance->EnumerateAdapters()) {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
if (properties.backendType == wgpu::BackendType::Null) {
continue;
}
availableAdapterProperties.push_back(std::move(properties));
}
}
for (const wgpu::AdapterProperties& desiredProperties : availableAdapterProperties) {
wgpu::Adapter adapter;
auto instance = std::make_unique<native::Instance>();
for (native::Adapter& nativeAdapter : instance->EnumerateAdapters()) {
wgpu::AdapterProperties properties;
nativeAdapter.GetProperties(&properties);
if (properties.deviceID == desiredProperties.deviceID &&
properties.vendorID == desiredProperties.vendorID &&
properties.adapterType == desiredProperties.adapterType &&
properties.backendType == desiredProperties.backendType) {
// Save the adapter, and reset the instance.
adapter = wgpu::Adapter(nativeAdapter.Get());
instance.reset();
break;
}
}
if (adapter) {
ExpectDeviceUsable(adapter.CreateDevice());
}
}
}
} // anonymous namespace
} // namespace dawn