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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_CONFIG_DEVICE_PERF_INFO_H_
#define GPU_CONFIG_DEVICE_PERF_INFO_H_
#include <cstdint>
#include <string>
#include <vector>
#include "base/optional.h"
#include "build/build_config.h"
#include "gpu/gpu_export.h"
#if defined(OS_WIN)
#include <d3dcommon.h>
#endif
namespace gpu {
// These values are persistent to logs. Entries should not be renumbered and
// numeric values should never be reused.
// This should match enum IntelGpuGeneration in
// \tools\metrics\histograms\enums.xml
enum class IntelGpuGeneration {
kNonIntel = 0,
kUnknownIntel = 1, // Intel GPU, but not one of the following generations.
kGen4 = 4,
kGen5 = 5,
kGen6 = 6,
kGen7 = 7,
kGen8 = 8,
kGen9 = 9,
kGen10 = 10,
kGen11 = 11,
kGen12 = 12,
kMaxValue = kGen12,
};
enum class HasDiscreteGpu {
kNo = 0,
kYes = 1,
kUnknown = 2,
kMaxValue = kUnknown,
};
struct GPU_EXPORT DevicePerfInfo {
uint32_t total_physical_memory_mb = 0u;
uint32_t total_disk_space_mb = 0u;
uint32_t hardware_concurrency = 0u;
#if defined(OS_WIN)
// system commit limit (n pages) x page size.
uint32_t system_commit_limit_mb = 0u;
// If multiple GPUs are detected, this holds the highest feature level.
D3D_FEATURE_LEVEL d3d11_feature_level = D3D_FEATURE_LEVEL_1_0_CORE;
HasDiscreteGpu has_discrete_gpu = HasDiscreteGpu::kUnknown;
#endif
// The following fields are only filled on the browser side. They don't
// need to be part of mojom.
IntelGpuGeneration intel_gpu_generation = IntelGpuGeneration::kNonIntel;
bool software_rendering = false;
};
// Thread-safe getter and setter of global instance of DevicePerfInfo.
GPU_EXPORT base::Optional<DevicePerfInfo> GetDevicePerfInfo();
GPU_EXPORT void SetDevicePerfInfo(const DevicePerfInfo& device_perf_info);
} // namespace gpu
#endif // GPU_CONFIG_DEVICE_PERF_INFO_H_
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