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[WebXR] Helpers for working with simd types
https://bugs.webkit.org/show_bug.cgi?id=264910 rdar://118482297 Reviewed by Tim Horton. PlatformXRPose is a helper for working with transforms as simd4_float4x4. * Source/WebCore/SourcesCocoa.txt: * Source/WebCore/WebCore.xcodeproj/project.pbxproj: * Source/WebCore/platform/xr/cocoa/PlatformXRPose.cpp: Added. (PlatformXRPose::position const): (PlatformXRPose::orientation const): (PlatformXRPose::pose const): (PlatformXRPose::distanceToPose const): (PlatformXRPose::verticalTransformPose const): (PlatformXRPose::PlatformXRPose): * Source/WebCore/platform/xr/cocoa/PlatformXRPose.h: Added. Canonical link: https://commits.webkit.org/270803@main
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * Copyright (C) 2021 Apple Inc. All rights reserved. | ||
| */ | ||
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| #include "config.h" | ||
| #include "PlatformXRPose.h" | ||
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| #if ENABLE(WEBXR) && PLATFORM(COCOA) | ||
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| WebCore::FloatPoint3D PlatformXRPose::position() const | ||
| { | ||
| simd_float3 simdPosition = this->simdPosition(); | ||
| return { static_cast<float>(simdPosition.x), static_cast<float>(simdPosition.y), static_cast<float>(simdPosition.z) }; | ||
| } | ||
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| PlatformXR::Device::FrameData::FloatQuaternion PlatformXRPose::orientation() const | ||
| { | ||
| simd_quatf simdOrientation = this->simdOrientation(); | ||
| return { simdOrientation.vector.x, simdOrientation.vector.y, simdOrientation.vector.z, simdOrientation.vector.w }; | ||
| } | ||
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| PlatformXR::Device::FrameData::Pose PlatformXRPose::pose() const | ||
| { | ||
| PlatformXR::Device::FrameData::Pose pose; | ||
| pose.position = position(); | ||
| pose.orientation = orientation(); | ||
| return pose; | ||
| } | ||
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| float PlatformXRPose::distanceToPose(const PlatformXRPose& otherPose) const | ||
| { | ||
| simd_float3 position = simdPosition(); | ||
| simd_float3 otherPosition = otherPose.simdPosition(); | ||
| return simd_distance(position, otherPosition); | ||
| } | ||
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| PlatformXRPose PlatformXRPose::verticalTransformPose() const | ||
| { | ||
| simd_float3 position = simdPosition(); | ||
| simd_float4x4 transform = matrix_identity_float4x4; | ||
| transform.columns[3].y = position.y; | ||
| return PlatformXRPose(transform); | ||
| } | ||
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| PlatformXRPose::PlatformXRPose(const simd_float4x4& transform) | ||
| : m_simdTransform(transform) | ||
| { | ||
| } | ||
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| PlatformXRPose::PlatformXRPose(const simd_float4x4& transform, const simd_float4x4& parentTransform) | ||
| { | ||
| m_simdTransform = simd_mul(parentTransform, transform); | ||
| } | ||
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| #endif // ENABLE(WEBXR) && PLATFORM(COCOA) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| /* | ||
| * Copyright (C) 2021 Apple Inc. All rights reserved. | ||
| */ | ||
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| #pragma once | ||
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| #if ENABLE(WEBXR) && PLATFORM(COCOA) | ||
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| #include <WebCore/PlatformXR.h> | ||
| #include <simd/simd.h> | ||
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| class PlatformXRPose { | ||
| WTF_MAKE_FAST_ALLOCATED; | ||
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| public: | ||
| simd_float4x4 simdTransform() const { return m_simdTransform; } | ||
| simd_float3 simdPosition() const { return m_simdTransform.columns[3].xyz; } | ||
| simd_quatf simdOrientation() const { return simd_quaternion(m_simdTransform); } | ||
| WEBCORE_EXPORT WebCore::FloatPoint3D position() const; | ||
| WEBCORE_EXPORT PlatformXR::Device::FrameData::FloatQuaternion orientation() const; | ||
| WEBCORE_EXPORT PlatformXR::Device::FrameData::Pose pose() const; | ||
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| WEBCORE_EXPORT float distanceToPose(const PlatformXRPose&) const; | ||
| WEBCORE_EXPORT PlatformXRPose verticalTransformPose() const; | ||
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| WEBCORE_EXPORT PlatformXRPose(const simd_float4x4&); | ||
| WEBCORE_EXPORT PlatformXRPose(const simd_float4x4&, const simd_float4x4& parentTransform); | ||
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| private: | ||
| simd_float4x4 m_simdTransform; | ||
| }; | ||
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| #endif // ENABLE(WEBXR) && PLATFORM(COCOA) |