// ----------------------------------------------------------------------------
//
//  Presentation API Basic Types
//
//  Copyright (c) Microsoft Corporation. All rights reserved.
//
// ----------------------------------------------------------------------------

import "oaidl.idl";
import "ocidl.idl";
import "wtypes.idl";
import "dxgi1_6.idl";

// The amount of time since the system was last started, in 100ns intervals
typedef struct SystemInterruptTime
{
    UINT64 value;
} SystemInterruptTime;

// 3x2 Presentation Transform
typedef struct PresentationTransform
{
    float M11;
    float M12;
    float M21;
    float M22;
    float M31;
    float M32;
} PresentationTransform;

// An identifier for a composition frame. This frame is reported back in composition frame
// statistics and can be passed into other APIs, such as the composition timing API
// (e.g. DCompositionGetTargetStatistics)
typedef UINT64 CompositionFrameId;

// Statistics kind enumeration
typedef enum PresentStatisticsKind
{
    PresentStatisticsKind_PresentStatus = 1,
    PresentStatisticsKind_CompositionFrame = 2,
    PresentStatisticsKind_IndependentFlipFrame = 3,

    // Future versions of the API will extend this enumeration
} PresentStatisticsKind;