| // 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. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_REFERENCE_SPACE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_REFERENCE_SPACE_H_ |
| |
| #include <memory> |
| |
| #include "device/vr/public/mojom/vr_service.mojom-blink.h" |
| #include "third_party/blink/renderer/modules/xr/xr_space.h" |
| #include "third_party/blink/renderer/platform/transforms/transformation_matrix.h" |
| |
| namespace blink { |
| |
| class XRRigidTransform; |
| |
| class XRReferenceSpace : public XRSpace { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static device::mojom::blink::XRReferenceSpaceType StringToReferenceSpaceType( |
| const String& reference_space_type); |
| |
| XRReferenceSpace(XRSession* session, |
| device::mojom::blink::XRReferenceSpaceType type); |
| XRReferenceSpace(XRSession* session, |
| XRRigidTransform* origin_offset, |
| device::mojom::blink::XRReferenceSpaceType type); |
| ~XRReferenceSpace() override; |
| |
| base::Optional<TransformationMatrix> NativeFromViewer( |
| const base::Optional<TransformationMatrix>& mojo_from_viewer) override; |
| |
| base::Optional<TransformationMatrix> MojoFromNative() override; |
| |
| bool IsStationary() const override; |
| |
| TransformationMatrix NativeFromOffsetMatrix() override; |
| TransformationMatrix OffsetFromNativeMatrix() override; |
| |
| // We override getPose to ensure that the viewer pose in viewer space returns |
| // the identity pose instead of the result of multiplying inverse matrices. |
| XRPose* getPose(XRSpace* other_space) override; |
| |
| device::mojom::blink::XRReferenceSpaceType GetType() const; |
| |
| XRReferenceSpace* getOffsetReferenceSpace(XRRigidTransform* transform); |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(reset, kReset) |
| |
| base::Optional<device::mojom::blink::XRNativeOriginInformation> NativeOrigin() |
| const final; |
| |
| std::string ToString() const override; |
| |
| void Trace(Visitor*) const override; |
| |
| virtual void OnReset(); |
| |
| private: |
| virtual XRReferenceSpace* cloneWithOriginOffset( |
| XRRigidTransform* origin_offset); |
| |
| // Updates the mojo_from_floor_ transform to match the one present in the |
| // latest display parameters of a session. |
| void SetMojoFromFloor(); |
| |
| uint32_t stage_parameters_id_ = 0; |
| |
| // Floor from mojo (aka local-floor_from_mojo) transform. |
| std::unique_ptr<TransformationMatrix> mojo_from_floor_; |
| Member<XRRigidTransform> origin_offset_; |
| device::mojom::blink::XRReferenceSpaceType type_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_REFERENCE_SPACE_H_ |