blob: ed44414b7372acff8d2fabe5f7839795db621c4e [file] [log] [blame]
// Copyright (c) 2012 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.
// Provides access to the GPU information for the system
// on which chrome is currently running.
#include <stdint.h>
#include <string>
#include <vector>
#include "base/time/time.h"
#include "base/version.h"
#include "build/build_config.h"
#include "gpu/config/dx_diag_node.h"
#include "gpu/gpu_export.h"
#include "ui/gfx/geometry/size.h"
#if defined(USE_X11)
typedef unsigned long VisualID;
namespace gpu {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class GpuSeriesType {
kUnknown = 0,
// Intel 6th gen
kIntelSandybridge = 1,
// Intel 7th gen
kIntelBaytrail = 2,
kIntelIvybridge = 3,
kIntelHaswell = 4,
// Intel 8th gen
kIntelCherrytrail = 5,
kIntelBroadwell = 6,
// Intel 9th gen
kIntelApollolake = 7,
kIntelSkylake = 8,
kIntelGeminilake = 9,
kIntelKabylake = 10,
kIntelCoffeelake = 11,
kIntelWhiskeylake = 12,
kIntelCometlake = 13,
// Intel 10th gen
kIntelCannonlake = 14,
// Intel 11th gen
kIntelIcelake = 15,
// Please also update |gpu_series_map| in
kMaxValue = kIntelIcelake,
// Video profile. This *must* match media::VideoCodecProfile.
enum VideoCodecProfile {
// Specification of a decoding profile supported by a hardware decoder.
struct GPU_EXPORT VideoDecodeAcceleratorSupportedProfile {
VideoCodecProfile profile;
gfx::Size max_resolution;
gfx::Size min_resolution;
bool encrypted_only;
using VideoDecodeAcceleratorSupportedProfiles =
struct GPU_EXPORT VideoDecodeAcceleratorCapabilities {
const VideoDecodeAcceleratorCapabilities& other);
VideoDecodeAcceleratorSupportedProfiles supported_profiles;
uint32_t flags;
// Specification of an encoding profile supported by a hardware encoder.
struct GPU_EXPORT VideoEncodeAcceleratorSupportedProfile {
VideoCodecProfile profile;
gfx::Size min_resolution;
gfx::Size max_resolution;
uint32_t max_framerate_numerator;
uint32_t max_framerate_denominator;
using VideoEncodeAcceleratorSupportedProfiles =
enum class ImageDecodeAcceleratorType {
kUnknown = 0,
kJpeg = 1,
kWebP = 2,
kMaxValue = kWebP,
enum class ImageDecodeAcceleratorSubsampling {
k420 = 0,
k422 = 1,
k444 = 2,
kMaxValue = k444,
// Specification of an image decoding profile supported by a hardware decoder.
struct GPU_EXPORT ImageDecodeAcceleratorSupportedProfile {
const ImageDecodeAcceleratorSupportedProfile& other);
ImageDecodeAcceleratorSupportedProfile&& other);
ImageDecodeAcceleratorSupportedProfile& operator=(
const ImageDecodeAcceleratorSupportedProfile& other);
ImageDecodeAcceleratorSupportedProfile& operator=(
ImageDecodeAcceleratorSupportedProfile&& other);
// Fields common to all image types.
// Type of image to which this profile applies, e.g., JPEG.
ImageDecodeAcceleratorType image_type;
// Minimum and maximum supported pixel dimensions of the encoded image.
gfx::Size min_encoded_dimensions;
gfx::Size max_encoded_dimensions;
// Fields specific to |image_type| == kJpeg.
// The supported chroma subsampling formats, e.g. 4:2:0.
std::vector<ImageDecodeAcceleratorSubsampling> subsamplings;
using ImageDecodeAcceleratorSupportedProfiles =
#if defined(OS_WIN)
enum class OverlaySupport { kNone = 0, kDirect = 1, kScaling = 2 };
GPU_EXPORT const char* OverlaySupportToString(OverlaySupport support);
struct GPU_EXPORT Dx12VulkanVersionInfo {
bool IsEmpty() const { return !d3d12_feature_level && !vulkan_version; }
// True if the GPU driver supports DX12.
bool supports_dx12 = false;
// True if the GPU driver supports Vulkan.
bool supports_vulkan = false;
// The supported d3d feature level in the gpu driver;
uint32_t d3d12_feature_level = 0;
// The support Vulkan API version in the gpu driver;
uint32_t vulkan_version = 0;
struct GPU_EXPORT GPUInfo {
struct GPU_EXPORT GPUDevice {
GPUDevice(const GPUDevice& other);
GPUDevice(GPUDevice&& other) noexcept;
~GPUDevice() noexcept;
GPUDevice& operator=(const GPUDevice& other);
GPUDevice& operator=(GPUDevice&& other) noexcept;
// The DWORD (uint32_t) representing the graphics card vendor id.
uint32_t vendor_id = 0u;
// The DWORD (uint32_t) representing the graphics card device id.
// Device ids are unique to vendor, not to one another.
uint32_t device_id = 0u;
#if defined(OS_WIN)
// The graphics card subsystem id.
// The lower 16 bits represents the subsystem vendor id.
uint32_t sub_sys_id = 0u;
// The graphics card revision number.
uint32_t revision = 0u;
#endif // OS_WIN
// Whether this GPU is the currently used one.
// Currently this field is only supported and meaningful on OS X.
bool active = false;
// The strings that describe the GPU.
// In Linux these strings are obtained through libpci.
// In Win/MacOSX, these two strings are not filled at the moment.
// In Android, these are respectively GL_VENDOR and GL_RENDERER.
std::string vendor_string;
std::string device_string;
std::string driver_vendor;
std::string driver_version;
// NVIDIA CUDA compute capability, major version. 0 if undetermined. Can be
// used to determine the hardware generation that the GPU belongs to.
int cuda_compute_capability_major = 0;
GPUInfo(const GPUInfo& other);
// The currently active gpu.
GPUDevice& active_gpu();
const GPUDevice& active_gpu() const;
bool IsInitialized() const;
// The amount of time taken to get from the process starting to the message
// loop being pumped.
base::TimeDelta initialization_time;
// Computer has NVIDIA Optimus
bool optimus;
// Computer has AMD Dynamic Switchable Graphics
bool amd_switchable;
// Primary GPU, for exmaple, the discrete GPU in a dual GPU machine.
GPUDevice gpu;
// Secondary GPUs, for example, the integrated GPU in a dual GPU machine.
std::vector<GPUDevice> secondary_gpus;
// The version of the pixel/fragment shader used by the gpu.
std::string pixel_shader_version;
// The version of the vertex shader used by the gpu.
std::string vertex_shader_version;
// The maximum multisapling sample count, either through ES3 or
// EXT_multisampled_render_to_texture MSAA.
std::string max_msaa_samples;
// The machine model identifier. They can contain any character, including
// whitespaces. Currently it is supported on MacOSX and Android.
// Android examples: "Naxus 5", "XT1032".
// On MacOSX, the version is stripped out of the model identifier, for
// example, the original identifier is "MacBookPro7,2", and we put
// "MacBookPro" as machine_model_name, and "7.2" as machine_model_version.
std::string machine_model_name;
// The version of the machine model. Currently it is supported on MacOSX.
// See machine_model_name's comment.
std::string machine_model_version;
// The GL_VERSION string.
std::string gl_version;
// The GL_VENDOR string.
std::string gl_vendor;
// The GL_RENDERER string.
std::string gl_renderer;
// The GL_EXTENSIONS string.
std::string gl_extensions;
// GL window system binding vendor. "" if not available.
std::string gl_ws_vendor;
// GL window system binding version. "" if not available.
std::string gl_ws_version;
// GL window system binding extensions. "" if not available.
std::string gl_ws_extensions;
// GL reset notification strategy as defined by GL_ARB_robustness. 0 if GPU
// reset detection or notification not available.
uint32_t gl_reset_notification_strategy;
bool software_rendering;
// Empty means unknown. Defined on X11 as
// - "1" means indirect (versions can't be all zero)
// - "2" means some type of direct rendering, but version cannot not be
// reliably determined
// - "2.1", "2.2", "2.3" for DRI, DRI2, DRI3 respectively
std::string direct_rendering_version;
// Whether the gpu process is running in a sandbox.
bool sandboxed;
// True if the GPU is running in the browser process instead of its own.
bool in_process_gpu;
// True if the GPU process is using the passthrough command decoder.
bool passthrough_cmd_decoder;
// True only on android when extensions for threaded mailbox sharing are
// present. Threaded mailbox sharing is used on Android only, so this check
// is only implemented on Android.
bool can_support_threaded_texture_mailbox = false;
#if defined(OS_WIN)
// True if we use direct composition surface on Windows.
bool direct_composition = false;
// True if we use direct composition surface overlays on Windows.
bool supports_overlays = false;
OverlaySupport yuy2_overlay_support = OverlaySupport::kNone;
OverlaySupport nv12_overlay_support = OverlaySupport::kNone;
// The information returned by the DirectX Diagnostics Tool.
DxDiagNode dx_diagnostics;
Dx12VulkanVersionInfo dx12_vulkan_version_info;
VideoDecodeAcceleratorCapabilities video_decode_accelerator_capabilities;
bool jpeg_decode_accelerator_supported;
#if defined(USE_X11)
VisualID system_visual;
VisualID rgba_visual;
bool oop_rasterization_supported;
bool subpixel_font_rendering;
// Note: when adding new members, please remember to update EnumerateFields
// in
// In conjunction with EnumerateFields, this allows the embedder to
// enumerate the values in this structure without having to embed
// references to its specific member variables. This simplifies the
// addition of new fields to this type.
class Enumerator {
// The following methods apply to the "current" object. Initially this
// is the root object, but calls to BeginGPUDevice/EndGPUDevice and
// BeginAuxAttributes/EndAuxAttributes change the object to which these
// calls should apply.
virtual void AddInt64(const char* name, int64_t value) = 0;
virtual void AddInt(const char* name, int value) = 0;
virtual void AddString(const char* name, const std::string& value) = 0;
virtual void AddBool(const char* name, bool value) = 0;
virtual void AddTimeDeltaInSecondsF(const char* name,
const base::TimeDelta& value) = 0;
// Markers indicating that a GPUDevice is being described.
virtual void BeginGPUDevice() = 0;
virtual void EndGPUDevice() = 0;
// Markers indicating that a VideoDecodeAcceleratorSupportedProfile is
// being described.
virtual void BeginVideoDecodeAcceleratorSupportedProfile() = 0;
virtual void EndVideoDecodeAcceleratorSupportedProfile() = 0;
// Markers indicating that a VideoEncodeAcceleratorSupportedProfile is
// being described.
virtual void BeginVideoEncodeAcceleratorSupportedProfile() = 0;
virtual void EndVideoEncodeAcceleratorSupportedProfile() = 0;
// Markers indicating that an ImageDecodeAcceleratorSupportedProfile is
// being described.
virtual void BeginImageDecodeAcceleratorSupportedProfile() = 0;
virtual void EndImageDecodeAcceleratorSupportedProfile() = 0;
// Markers indicating that "auxiliary" attributes of the GPUInfo
// (according to the DevTools protocol) are being described.
virtual void BeginAuxAttributes() = 0;
virtual void EndAuxAttributes() = 0;
virtual void BeginDx12VulkanVersionInfo() = 0;
virtual void EndDx12VulkanVersionInfo() = 0;
virtual ~Enumerator() = default;
// Outputs the fields in this structure to the provided enumerator.
void EnumerateFields(Enumerator* enumerator) const;
} // namespace gpu