| // Copyright 2018 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. |
| |
| #include "third_party/blink/renderer/modules/xr/xr_utils.h" |
| |
| #include <cmath> |
| |
| #include "third_party/blink/renderer/core/geometry/dom_point_read_only.h" |
| #include "third_party/blink/renderer/modules/webgl/webgl2_rendering_context.h" |
| #include "third_party/blink/renderer/modules/webgl/webgl_rendering_context.h" |
| #include "third_party/blink/renderer/modules/xr/xr_webgl_rendering_context.h" |
| #include "third_party/blink/renderer/platform/transforms/transformation_matrix.h" |
| |
| namespace blink { |
| |
| DOMFloat32Array* transformationMatrixToDOMFloat32Array( |
| const TransformationMatrix& matrix) { |
| float array[] = { |
| static_cast<float>(matrix.M11()), static_cast<float>(matrix.M12()), |
| static_cast<float>(matrix.M13()), static_cast<float>(matrix.M14()), |
| static_cast<float>(matrix.M21()), static_cast<float>(matrix.M22()), |
| static_cast<float>(matrix.M23()), static_cast<float>(matrix.M24()), |
| static_cast<float>(matrix.M31()), static_cast<float>(matrix.M32()), |
| static_cast<float>(matrix.M33()), static_cast<float>(matrix.M34()), |
| static_cast<float>(matrix.M41()), static_cast<float>(matrix.M42()), |
| static_cast<float>(matrix.M43()), static_cast<float>(matrix.M44())}; |
| |
| return DOMFloat32Array::Create(array, 16); |
| } |
| |
| TransformationMatrix DOMFloat32ArrayToTransformationMatrix(DOMFloat32Array* m) { |
| DCHECK_EQ(m->length(), 16u); |
| |
| auto* data = m->Data(); |
| |
| return TransformationMatrix( |
| static_cast<double>(data[0]), static_cast<double>(data[1]), |
| static_cast<double>(data[2]), static_cast<double>(data[3]), |
| static_cast<double>(data[4]), static_cast<double>(data[5]), |
| static_cast<double>(data[6]), static_cast<double>(data[7]), |
| static_cast<double>(data[8]), static_cast<double>(data[9]), |
| static_cast<double>(data[10]), static_cast<double>(data[11]), |
| static_cast<double>(data[12]), static_cast<double>(data[13]), |
| static_cast<double>(data[14]), static_cast<double>(data[15])); |
| } |
| |
| TransformationMatrix WTFFloatVectorToTransformationMatrix( |
| const Vector<float>& m) { |
| return TransformationMatrix(m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7], |
| m[8], m[9], m[10], m[11], m[12], m[13], m[14], |
| m[15]); |
| } |
| |
| // Normalize to have length = 1.0 |
| DOMPointReadOnly* makeNormalizedQuaternion(double x, |
| double y, |
| double z, |
| double w) { |
| double length = std::sqrt((x * x) + (y * y) + (z * z) + (w * w)); |
| if (length == 0.0) { |
| // Return a default value instead of crashing. |
| return DOMPointReadOnly::Create(0.0, 0.0, 0.0, 1.0); |
| } |
| return DOMPointReadOnly::Create(x / length, y / length, z / length, |
| w / length); |
| } |
| |
| WebGLRenderingContextBase* webglRenderingContextBaseFromUnion( |
| const XRWebGLRenderingContext& context) { |
| if (context.IsWebGL2RenderingContext()) { |
| return context.GetAsWebGL2RenderingContext(); |
| } else { |
| return context.GetAsWebGLRenderingContext(); |
| } |
| } |
| |
| base::Optional<device::Pose> CreatePose( |
| const blink::TransformationMatrix& matrix) { |
| return device::Pose::Create( |
| gfx::Transform(TransformationMatrix::ToSkMatrix44(matrix))); |
| } |
| |
| device::mojom::blink::XRHandJoint StringToMojomHandJoint( |
| const String& hand_joint_string) { |
| if (hand_joint_string == "wrist") { |
| return device::mojom::blink::XRHandJoint::kWrist; |
| } else if (hand_joint_string == "thumb-metacarpal") { |
| return device::mojom::blink::XRHandJoint::kThumbMetacarpal; |
| } else if (hand_joint_string == "thumb-phalanx-proximal") { |
| return device::mojom::blink::XRHandJoint::kThumbPhalanxProximal; |
| } else if (hand_joint_string == "thumb-phalanx-distal") { |
| return device::mojom::blink::XRHandJoint::kThumbPhalanxDistal; |
| } else if (hand_joint_string == "thumb-tip") { |
| return device::mojom::blink::XRHandJoint::kThumbTip; |
| } else if (hand_joint_string == "index-finger-metacarpal") { |
| return device::mojom::blink::XRHandJoint::kIndexFingerMetacarpal; |
| } else if (hand_joint_string == "index-finger-phalanx-proximal") { |
| return device::mojom::blink::XRHandJoint::kIndexFingerPhalanxProximal; |
| } else if (hand_joint_string == "index-finger-phalanx-intermediate") { |
| return device::mojom::blink::XRHandJoint::kIndexFingerPhalanxIntermediate; |
| } else if (hand_joint_string == "index-finger-phalanx-distal") { |
| return device::mojom::blink::XRHandJoint::kIndexFingerPhalanxDistal; |
| } else if (hand_joint_string == "index-finger-tip") { |
| return device::mojom::blink::XRHandJoint::kIndexFingerTip; |
| } else if (hand_joint_string == "middle-finger-metacarpal") { |
| return device::mojom::blink::XRHandJoint::kMiddleFingerMetacarpal; |
| } else if (hand_joint_string == "middle-finger-phalanx-proximal") { |
| return device::mojom::blink::XRHandJoint::kMiddleFingerPhalanxProximal; |
| } else if (hand_joint_string == "middle-finger-phalanx-intermediate") { |
| return device::mojom::blink::XRHandJoint::kMiddleFingerPhalanxIntermediate; |
| } else if (hand_joint_string == "middle-finger-phalanx-distal") { |
| return device::mojom::blink::XRHandJoint::kMiddleFingerPhalanxDistal; |
| } else if (hand_joint_string == "middle-finger-tip") { |
| return device::mojom::blink::XRHandJoint::kMiddleFingerTip; |
| } else if (hand_joint_string == "ring-finger-metacarpal") { |
| return device::mojom::blink::XRHandJoint::kRingFingerMetacarpal; |
| } else if (hand_joint_string == "ring-finger-phalanx-proximal") { |
| return device::mojom::blink::XRHandJoint::kRingFingerPhalanxProximal; |
| } else if (hand_joint_string == "ring-finger-phalanx-intermediate") { |
| return device::mojom::blink::XRHandJoint::kRingFingerPhalanxIntermediate; |
| } else if (hand_joint_string == "ring-finger-phalanx-distal") { |
| return device::mojom::blink::XRHandJoint::kRingFingerPhalanxDistal; |
| } else if (hand_joint_string == "ring-finger-tip") { |
| return device::mojom::blink::XRHandJoint::kRingFingerTip; |
| } else if (hand_joint_string == "pinky-finger-metacarpal") { |
| return device::mojom::blink::XRHandJoint::kPinkyFingerMetacarpal; |
| } else if (hand_joint_string == "pinky-finger-phalanx-proximal") { |
| return device::mojom::blink::XRHandJoint::kPinkyFingerPhalanxProximal; |
| } else if (hand_joint_string == "pinky-finger-phalanx-intermediate") { |
| return device::mojom::blink::XRHandJoint::kPinkyFingerPhalanxIntermediate; |
| } else if (hand_joint_string == "pinky-finger-phalanx-distal") { |
| return device::mojom::blink::XRHandJoint::kPinkyFingerPhalanxDistal; |
| } else if (hand_joint_string == "pinky-finger-tip") { |
| return device::mojom::blink::XRHandJoint::kPinkyFingerTip; |
| } |
| |
| NOTREACHED(); |
| return device::mojom::blink::XRHandJoint::kMaxValue; |
| } |
| |
| String MojomHandJointToString(device::mojom::blink::XRHandJoint hand_joint) { |
| switch (hand_joint) { |
| case device::mojom::blink::XRHandJoint::kWrist: |
| return "wrist"; |
| case device::mojom::blink::XRHandJoint::kThumbMetacarpal: |
| return "thumb-metacarpal"; |
| case device::mojom::blink::XRHandJoint::kThumbPhalanxProximal: |
| return "thumb-phalanx-proximal"; |
| case device::mojom::blink::XRHandJoint::kThumbPhalanxDistal: |
| return "thumb-phalanx-distal"; |
| case device::mojom::blink::XRHandJoint::kThumbTip: |
| return "thumb-tip"; |
| case device::mojom::blink::XRHandJoint::kIndexFingerMetacarpal: |
| return "index-finger-metacarpal"; |
| case device::mojom::blink::XRHandJoint::kIndexFingerPhalanxProximal: |
| return "index-finger-phalanx-proximal"; |
| case device::mojom::blink::XRHandJoint::kIndexFingerPhalanxIntermediate: |
| return "index-finger-phalanx-intermediate"; |
| case device::mojom::blink::XRHandJoint::kIndexFingerPhalanxDistal: |
| return "index-finger-phalanx-distal"; |
| case device::mojom::blink::XRHandJoint::kIndexFingerTip: |
| return "index-finger-tip"; |
| case device::mojom::blink::XRHandJoint::kMiddleFingerMetacarpal: |
| return "middle-finger-metacarpal"; |
| case device::mojom::blink::XRHandJoint::kMiddleFingerPhalanxProximal: |
| return "middle-finger-phalanx-proximal"; |
| case device::mojom::blink::XRHandJoint::kMiddleFingerPhalanxIntermediate: |
| return "middle-finger-phalanx-intermediate"; |
| case device::mojom::blink::XRHandJoint::kMiddleFingerPhalanxDistal: |
| return "middle-finger-phalanx-distal"; |
| case device::mojom::blink::XRHandJoint::kMiddleFingerTip: |
| return "middle-finger-tip"; |
| case device::mojom::blink::XRHandJoint::kRingFingerMetacarpal: |
| return "ring-finger-metacarpal"; |
| case device::mojom::blink::XRHandJoint::kRingFingerPhalanxProximal: |
| return "ring-finger-phalanx-proximal"; |
| case device::mojom::blink::XRHandJoint::kRingFingerPhalanxIntermediate: |
| return "ring-finger-phalanx-intermediate"; |
| case device::mojom::blink::XRHandJoint::kRingFingerPhalanxDistal: |
| return "ring-finger-phalanx-distal"; |
| case device::mojom::blink::XRHandJoint::kRingFingerTip: |
| return "ring-finger-tip"; |
| case device::mojom::blink::XRHandJoint::kPinkyFingerMetacarpal: |
| return "pinky-finger-metacarpal"; |
| case device::mojom::blink::XRHandJoint::kPinkyFingerPhalanxProximal: |
| return "pinky-finger-phalanx-proximal"; |
| case device::mojom::blink::XRHandJoint::kPinkyFingerPhalanxIntermediate: |
| return "pinky-finger-phalanx-intermediate"; |
| case device::mojom::blink::XRHandJoint::kPinkyFingerPhalanxDistal: |
| return "pinky-finger-phalanx-distal"; |
| case device::mojom::blink::XRHandJoint::kPinkyFingerTip: |
| return "pinky-finger-tip"; |
| default: |
| NOTREACHED(); |
| return ""; |
| } |
| } |
| |
| } // namespace blink |
