src/dawn/tests/unittests/GPUInfoTests.cpp

// Copyright 2021 The Dawn & Tint Authors
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#include <gtest/gtest.h>

#include "dawn/common/GPUInfo.h"

namespace dawn {
namespace {

const PCIVendorID vendorID = 0x8086;
// Intel D3D12
const gpu_info::DriverVersion version1 = {20, 19, 15, 5107};
const gpu_info::DriverVersion version2 = {21, 20, 16, 5077};
const gpu_info::DriverVersion version3 = {27, 20, 100, 9946};
const gpu_info::DriverVersion version4 = {27, 20, 101, 2003};
// Intel Vulkan
const gpu_info::DriverVersion version5 = {100, 9466};
const gpu_info::DriverVersion version6 = {101, 3222};
const gpu_info::DriverVersion version7 = {101, 3790};

TEST(GPUInfo, CompareWindowsDriverVersion) {
    EXPECT_EQ(gpu_info::CompareWindowsDriverVersion(vendorID, version1, version2), -1);
    EXPECT_EQ(gpu_info::CompareWindowsDriverVersion(vendorID, version2, version3), -1);
    EXPECT_EQ(gpu_info::CompareWindowsDriverVersion(vendorID, version3, version4), -1);
    EXPECT_EQ(gpu_info::CompareWindowsDriverVersion(vendorID, version5, version6), -1);
    EXPECT_EQ(gpu_info::CompareWindowsDriverVersion(vendorID, version6, version7), -1);
    // Windows Vulkan driver releases together with D3D12 driver, so they share the same version.
    // Expect Intel D3D12 driver and Vulkan driver to be comparable.
    EXPECT_EQ(gpu_info::CompareWindowsDriverVersion(vendorID, version3, version6), -1);
    EXPECT_EQ(gpu_info::CompareWindowsDriverVersion(vendorID, version4, version7), -1);
}

}  // anonymous namespace
}  // namespace dawn