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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 <gtest/gtest.h>
#include "dawn/dawn_proc.h"
#include "dawn_native/Instance.h"
#include "dawn_native/null/DeviceNull.h"
#include "dawn_wire/WireClient.h"
#include "utils/TerribleCommandBuffer.h"
namespace {
// dawn_wire and dawn_native contain duplicated code for the handling of GetProcAddress
// so we run the tests against both implementations. This enum is used as a test parameters to
// know which implementation to test.
enum class DawnFlavor {
Native,
Wire,
};
std::ostream& operator<<(std::ostream& stream, DawnFlavor flavor) {
switch (flavor) {
case DawnFlavor::Native:
stream << "dawn_native";
break;
case DawnFlavor::Wire:
stream << "dawn_wire";
break;
default:
UNREACHABLE();
break;
}
return stream;
}
class GetProcAddressTests : public testing::TestWithParam<DawnFlavor> {
public:
GetProcAddressTests()
: testing::TestWithParam<DawnFlavor>(),
mNativeInstance(dawn_native::InstanceBase::Create()),
mNativeAdapter(mNativeInstance.Get()) {
}
void SetUp() override {
switch (GetParam()) {
case DawnFlavor::Native: {
mDevice = wgpu::Device::Acquire(
reinterpret_cast<WGPUDevice>(mNativeAdapter.CreateDevice(nullptr)));
mProcs = dawn_native::GetProcs();
break;
}
case DawnFlavor::Wire: {
mC2sBuf = std::make_unique<utils::TerribleCommandBuffer>();
dawn_wire::WireClientDescriptor clientDesc = {};
clientDesc.serializer = mC2sBuf.get();
mWireClient = std::make_unique<dawn_wire::WireClient>(clientDesc);
mDevice = wgpu::Device::Acquire(mWireClient->ReserveDevice().device);
mProcs = dawn_wire::client::GetProcs();
break;
}
default:
UNREACHABLE();
break;
}
dawnProcSetProcs(&mProcs);
}
void TearDown() override {
// Destroy the device before freeing the instance or the wire client in the destructor
mDevice = wgpu::Device();
}
protected:
Ref<dawn_native::InstanceBase> mNativeInstance;
dawn_native::null::Adapter mNativeAdapter;
std::unique_ptr<utils::TerribleCommandBuffer> mC2sBuf;
std::unique_ptr<dawn_wire::WireClient> mWireClient;
wgpu::Device mDevice;
DawnProcTable mProcs;
};
// Test GetProcAddress with and without devices on some valid examples
TEST_P(GetProcAddressTests, ValidExamples) {
ASSERT_EQ(mProcs.getProcAddress(nullptr, "wgpuDeviceCreateBuffer"),
reinterpret_cast<WGPUProc>(mProcs.deviceCreateBuffer));
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "wgpuDeviceCreateBuffer"),
reinterpret_cast<WGPUProc>(mProcs.deviceCreateBuffer));
ASSERT_EQ(mProcs.getProcAddress(nullptr, "wgpuQueueSubmit"),
reinterpret_cast<WGPUProc>(mProcs.queueSubmit));
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "wgpuQueueSubmit"),
reinterpret_cast<WGPUProc>(mProcs.queueSubmit));
}
// Test GetProcAddress with and without devices on nullptr procName
TEST_P(GetProcAddressTests, Nullptr) {
ASSERT_EQ(mProcs.getProcAddress(nullptr, nullptr), nullptr);
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), nullptr), nullptr);
}
// Test GetProcAddress with and without devices on some invalid
TEST_P(GetProcAddressTests, InvalidExamples) {
ASSERT_EQ(mProcs.getProcAddress(nullptr, "wgpuDeviceDoSomething"), nullptr);
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "wgpuDeviceDoSomething"), nullptr);
// Trigger the condition where lower_bound will return the end of the procMap.
ASSERT_EQ(mProcs.getProcAddress(nullptr, "zzzzzzz"), nullptr);
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "zzzzzzz"), nullptr);
ASSERT_EQ(mProcs.getProcAddress(nullptr, "ZZ"), nullptr);
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "ZZ"), nullptr);
// Some more potential corner cases.
ASSERT_EQ(mProcs.getProcAddress(nullptr, ""), nullptr);
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), ""), nullptr);
ASSERT_EQ(mProcs.getProcAddress(nullptr, "0"), nullptr);
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "0"), nullptr);
}
// Test that GetProcAddress supports freestanding function that are handled specially
TEST_P(GetProcAddressTests, FreeStandingFunctions) {
ASSERT_EQ(mProcs.getProcAddress(nullptr, "wgpuGetProcAddress"),
reinterpret_cast<WGPUProc>(mProcs.getProcAddress));
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "wgpuGetProcAddress"),
reinterpret_cast<WGPUProc>(mProcs.getProcAddress));
ASSERT_EQ(mProcs.getProcAddress(nullptr, "wgpuCreateInstance"),
reinterpret_cast<WGPUProc>(mProcs.createInstance));
ASSERT_EQ(mProcs.getProcAddress(mDevice.Get(), "wgpuCreateInstance"),
reinterpret_cast<WGPUProc>(mProcs.createInstance));
}
INSTANTIATE_TEST_SUITE_P(,
GetProcAddressTests,
testing::Values(DawnFlavor::Native, DawnFlavor::Wire),
testing::PrintToStringParamName());
TEST(GetProcAddressInternalTests, CheckDawnNativeProcMapOrder) {
std::vector<const char*> names = dawn_native::GetProcMapNamesForTesting();
for (size_t i = 1; i < names.size(); i++) {
ASSERT_LT(std::string(names[i - 1]), std::string(names[i]));
}
}
TEST(GetProcAddressInternalTests, CheckDawnWireClientProcMapOrder) {
std::vector<const char*> names = dawn_wire::client::GetProcMapNamesForTesting();
for (size_t i = 1; i < names.size(); i++) {
ASSERT_LT(std::string(names[i - 1]), std::string(names[i]));
}
}
} // anonymous namespace