Interface nsIGfxInfoType

NOTE: this interface is completely undesigned, not stable and likely to change

Hierarchy

Properties

AzureCanvasBackend AzureContentBackend CodecSupportInfo ContentBackend D2DEnabled DWriteEnabled DWriteVersion EmbeddedInFirefoxReality TargetFrameRate adapterDescription adapterDescription2 adapterDeviceID adapterDeviceID2 adapterDriver adapterDriver2 adapterDriverDate adapterDriverDate2 adapterDriverVendor adapterDriverVendor2 adapterDriverVersion adapterDriverVersion2 adapterRAM adapterRAM2 adapterSubsysID adapterSubsysID2 adapterVendorID adapterVendorID2 cleartypeParameters drmRenderDevice hasBattery isGPU2Active isHeadless testType usingGPUProcess windowProtocol

Methods

AddRef GetData GetMaxRefreshRate QueryInterface Release controlGPUProcessForXPCShell crashGPUProcessForTests getActiveCrashGuards getFeatureLog getFeatureStatus getFeatureSuggestedDriverVersion getFeatures getInfo getMonitors killGPUProcessForTests logFailure

Properties

Readonly AzureCanvasBackend

AzureCanvasBackend: string

Readonly AzureContentBackend

AzureContentBackend: string

Readonly CodecSupportInfo

CodecSupportInfo: string

Readonly ContentBackend

ContentBackend: string

These are valid across all platforms.

Readonly D2DEnabled

D2DEnabled: boolean

These are win32-specific

Readonly DWriteEnabled

DWriteEnabled: boolean

Readonly DWriteVersion

DWriteVersion: string

Readonly EmbeddedInFirefoxReality

EmbeddedInFirefoxReality: boolean

Readonly TargetFrameRate

TargetFrameRate: number

Readonly adapterDescription

adapterDescription: string

The name of the display adapter.

Readonly adapterDescription2

adapterDescription2: string

Readonly adapterDeviceID

adapterDeviceID: string

Readonly adapterDeviceID2

adapterDeviceID2: string

Readonly adapterDriver

adapterDriver: string

Readonly adapterDriver2

adapterDriver2: string

Readonly adapterDriverDate

adapterDriverDate: string

Readonly adapterDriverDate2

adapterDriverDate2: string

Readonly adapterDriverVendor

adapterDriverVendor: string

Readonly adapterDriverVendor2

adapterDriverVendor2: string

Readonly adapterDriverVersion

adapterDriverVersion: string

Readonly adapterDriverVersion2

adapterDriverVersion2: string

Readonly adapterRAM

adapterRAM: number

The amount of RAM in MB in the display adapter.

Readonly adapterRAM2

adapterRAM2: number

Readonly adapterSubsysID

adapterSubsysID: string

Readonly adapterSubsysID2

adapterSubsysID2: string

Readonly adapterVendorID

adapterVendorID: string

These types are inspired by DXGI_ADAPTER_DESC

Readonly adapterVendorID2

adapterVendorID2: string

Readonly cleartypeParameters

cleartypeParameters: string

Readonly drmRenderDevice

drmRenderDevice: string

Readonly hasBattery

hasBattery: boolean

Readonly isGPU2Active

isGPU2Active: boolean

Readonly isHeadless

isHeadless: boolean

Readonly testType

testType: string

Readonly usingGPUProcess

usingGPUProcess: boolean

Readonly windowProtocol

windowProtocol: string

These are non-Android linux-specific

Methods

AddRef

  • Increases the reference count for this interface. The associated instance will not be deleted unless the reference count is returned to zero.

    Returns

    The resulting reference count.

    Returns number

GetData

  • Returns void

GetMaxRefreshRate

  • Maximum refresh rate among detected monitors. -1 if unknown. aMixed is set to true if we know there are multiple displays and they have different refresh rates, else false. The returned value is in Hz.

    Parameters

    • aMixed: boolean

    Returns number

QueryInterface

  • Parameters

    • aIID: object
    • Optional aInstancePtr: object

    Returns any

  • A run time mechanism for interface discovery.

    Returns

    NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.

    aInstancePtr must not be null.

    Parameters

    • aIID: object

      [in] A requested interface IID

    • aInstancePtr: object

      [out] A pointer to an interface pointer to receive the result.

    Returns void

Release

  • Decreases the reference count for this interface. Generally, if the reference count returns to zero, the associated instance is deleted.

    Returns

    The resulting reference count.

    Returns number

controlGPUProcessForXPCShell

  • Parameters

    • aEnable: boolean

    Returns boolean

crashGPUProcessForTests

  • Returns void

getActiveCrashGuards

  • Returns any

getFeatureLog

  • Returns any

getFeatureStatus

  • Ask about a feature, and return the status of that feature. If the feature is not ok then aFailureId will give a unique failure Id otherwise it will be empty.

    Parameters

    • aFeature: number
    • aFailureId: string

    Returns number

getFeatureSuggestedDriverVersion

  • Ask about a feature, return the minimum driver version required for it if its status is FEATURE_BLOCKED_DRIVER_VERSION, otherwise return an empty string.

    Parameters

    • aFeature: number

    Returns string

getFeatures

  • Returns any

getInfo

  • Returns any

getMonitors

  • Returns an array of objects describing each monitor. Guaranteed properties are "screenWidth" and "screenHeight". This is only implemented on Desktop.

    Windows additionally supplies "refreshRate" and "pseudoDisplay".

    OS X additionally supplies "scale".

    Returns any

killGPUProcessForTests

  • Returns void

logFailure

  • Parameters

    • failure: string

    Returns void

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