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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_UTILS_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_UTILS_H_
#include <optional>
#include "device/vr/public/mojom/pose.h"
#include "device/vr/public/mojom/vr_service.mojom-blink.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_typedefs.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_xr_hand_joint.h"
#include "third_party/blink/renderer/core/typed_arrays/array_buffer_view_helpers.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_typed_array.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace gfx {
class Transform;
}
namespace blink {
class DOMPointReadOnly;
class ExecutionContext;
class WebGLRenderingContextBase;
NotShared<DOMFloat32Array> transformationMatrixToDOMFloat32Array(
const gfx::Transform&);
gfx::Transform DOMFloat32ArrayToTransform(NotShared<DOMFloat32Array>);
gfx::Transform WTFFloatVectorToTransform(const Vector<float>&);
DOMPointReadOnly* makeNormalizedQuaternion(double x,
double y,
double z,
double w);
WebGLRenderingContextBase* webglRenderingContextBaseFromUnion(
const V8XRWebGLRenderingContext* context);
constexpr char kUnableToNormalizeZeroLength[] =
"Unable to normalize vector of length 0.";
// Conversion method from transformation matrix to device::Pose. The conversion
// may fail if the matrix cannot be decomposed. In case of failure, the method
// will return std::nullopt.
// TODO(crbug.com/1359528): The above comment about failure is not true.
// Remove this function.
std::optional<device::Pose> CreatePose(const gfx::Transform& matrix);
// Hand joint conversion methods
device::mojom::blink::XRHandJoint StringToMojomHandJoint(
const String& hand_joint_string);
V8XRHandJoint::Enum MojomHandJointToV8Enum(
device::mojom::blink::XRHandJoint hand_joint);
// Converts the given string to an XRSessionFeature. If the string is
// unrecognized, returns nullopt. Based on the spec:
// https://immersive-web.github.io/webxr/#feature-name
std::optional<device::mojom::XRSessionFeature> StringToXRSessionFeature(
const String& feature_string);
// Inverse of |StringToXRSessionFeature()|, used for logging to console and for
// |XRSession::enabledFeatures|.
String XRSessionFeatureToString(device::mojom::XRSessionFeature feature);
bool IsFeatureEnabledForContext(device::mojom::XRSessionFeature feature,
const ExecutionContext* context);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_UTILS_H_
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