Move WebVR public headers into public/platform/modules/vr

public/platform/WebVR.h

-// Copyright 2015 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 WebVR_h
-#define WebVR_h
-
-#include "WebCommon.h"
-
-#if BLINK_IMPLEMENTATION
-#include "wtf/Assertions.h"
-#endif
-
-namespace blink {
-
-struct WebVRVector3 {
-    float x, y, z;
-};
-
-struct WebVRVector4 {
-    float x, y, z, w;
-};
-
-struct WebVRRect {
-    int x, y, width, height;
-};
-
-// A field of view, given by 4 degrees describing the view from a center point.
-struct WebVRFieldOfView {
-    float upDegrees;
-    float downDegrees;
-    float leftDegrees;
-    float rightDegrees;
-};
-
-// Bit flags to indicate which fields of an WebHMDSensorState are valid.
-enum WebVRSensorStateFlags {
-    WebVRSensorStateOrientation = 1 << 1,
-    WebVRSensorStatePosition = 1 << 2,
-    WebVRSensorStateAngularVelocity = 1 << 3,
-    WebVRSensorStateLinearVelocity = 1 << 4,
-    WebVRSensorStateAngularAcceleration = 1 << 5,
-    WebVRSensorStateLinearAcceleration = 1 << 6,
-    WebVRSensorStateComplete = (1 << 7) - 1 // All previous states combined.
-};
-
-// A bitfield of WebVRSensorStateFlags.
-typedef int WebVRSensorStateMask;
-
-// A sensor's position, orientation, velocity, and acceleration state at the
-// given timestamp.
-struct WebHMDSensorState {
-    double timestamp;
-    unsigned frameIndex;
-    WebVRSensorStateMask flags;
-    WebVRVector4 orientation;
-    WebVRVector3 position;
-    WebVRVector3 angularVelocity;
-    WebVRVector3 linearVelocity;
-    WebVRVector3 angularAcceleration;
-    WebVRVector3 linearAcceleration;
-};
-
-// Information about the optical properties for an eye in an HMD.
-struct WebVREyeParameters {
-    WebVRFieldOfView minimumFieldOfView;
-    WebVRFieldOfView maximumFieldOfView;
-    WebVRFieldOfView recommendedFieldOfView;
-    WebVRVector3 eyeTranslation;
-    WebVRRect renderRect;
-};
-
-// Information pertaining to Head Mounted Displays.
-struct WebVRHMDInfo {
-    WebVREyeParameters leftEye;
-    WebVREyeParameters rightEye;
-};
-
-// Bit flags to indicate what type of data a WebVRDevice describes.
-enum WebVRDeviceTypeFlags {
-    WebVRDeviceTypePosition = 1 << 1,
-    WebVRDeviceTypeHMD = 1 << 2
-};
-
-// A bitfield of WebVRDeviceTypeFlags.
-typedef int WebVRDeviceTypeMask;
-
-// Describes a single VR hardware unit. May describe multiple capabilities,
-// such as position sensors or head mounted display metrics.
-class WebVRDevice {
-public:
-    static const size_t deviceNameLengthCap = 128;
-
-    WebVRDevice()
-        : flags(0)
-    {
-        deviceName[0] = 0;
-    }
-
-    // Index for this hardware unit.
-    unsigned index;
-    // Friendly device name.
-    WebUChar deviceName[deviceNameLengthCap];
-    // Identifies the capabilities of this hardware unit.
-    WebVRDeviceTypeMask flags;
-
-    // Will only contain valid data if (flags & HasHMDDevice).
-    WebVRHMDInfo hmdInfo;
-};
-
-}
-
-#endif // WebVR_h