chromium/third_party/dawn/src/dawn/common/GPUInfo.h

// Copyright 2019 The Dawn & Tint Authors
//
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#ifndef SRC_DAWN_COMMON_GPUINFO_H_
#define SRC_DAWN_COMMON_GPUINFO_H_

#include <string>

#include "absl/container/inlined_vector.h"
#include "dawn/common/GPUInfo_autogen.h"

namespace dawn::gpu_info {

// Four uint16 fields could cover almost all driver version schemas:
// D3D12: AA.BB.CCC.DDDD
// Vulkan: AAA.BBB.CCC.DDD on Nvidia, CCC.DDDD for Intel Windows, and AA.BB.CCC for others,
// See https://vulkan.gpuinfo.org/
static constexpr uint32_t kMaxVersionFields = …;

class DriverVersion { … };

// Do comparison between two driver versions. Currently we only support the comparison between
// Intel Windows driver versions.
// - Return -1 if build number of version1 is smaller
// - Return 1 if build number of version1 is bigger
// - Return 0 if version1 and version2 represent same driver version
int CompareWindowsDriverVersion(PCIVendorID vendorId,
                                const DriverVersion& version1,
                                const DriverVersion& version2);

// Do comparison between two Intel Mesa driver versions.
// - Return a negative number if build number of version1 is smaller
// - Return a positive number if build number of version1 is bigger
// - Return 0 if version1 and version2 represent same driver version
int CompareIntelMesaDriverVersion(const DriverVersion& version1, const DriverVersion& version2);

// Intel architectures
bool IsSkylake(PCIDeviceID deviceId);
bool IsIrisPlus655(PCIDeviceID deviceId);

}  // namespace dawn::gpu_info
#endif  // SRC_DAWN_COMMON_GPUINFO_H_