| 1 | // Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "vector3d_sse_p.h" |
| 5 | |
| 6 | #include <private/qsimd_p.h> |
| 7 | |
| 8 | #include "matrix4x4_sse_p.h" |
| 9 | #include "vector4d_sse_p.h" |
| 10 | #include <QDebug> |
| 11 | |
| 12 | #ifdef __SSE2__ |
| 13 | |
| 14 | QT_BEGIN_NAMESPACE |
| 15 | |
| 16 | namespace Qt3DCore { |
| 17 | |
| 18 | QDebug operator<<(QDebug dbg, const Vector3D_SSE &v) |
| 19 | { |
| 20 | dbg.nospace() << "Vector3D_SSE(" << v.x() << ", " << v.y() << ", " << v.z() << ") " ; |
| 21 | return dbg; |
| 22 | } |
| 23 | |
| 24 | Vector3D_SSE::Vector3D_SSE(const Vector4D_SSE &v) |
| 25 | { |
| 26 | m_xyzw = _mm_mul_ps(a: v.m_xyzw, b: _mm_set_ps(z: 0.0f, y: 1.0f, x: 1.0f, w: 1.0f)); |
| 27 | } |
| 28 | |
| 29 | Vector3D_SSE Vector3D_SSE::unproject(const Matrix4x4_SSE &modelView, const Matrix4x4_SSE &projection, const QRect &viewport) const |
| 30 | { |
| 31 | const Matrix4x4_SSE inverse = (projection * modelView).inverted(); |
| 32 | |
| 33 | Vector4D_SSE tmp(*this, 1.0f); |
| 34 | tmp.setX((tmp.x() - float(viewport.x())) / float(viewport.width())); |
| 35 | tmp.setY((tmp.y() - float(viewport.y())) / float(viewport.height())); |
| 36 | tmp = tmp * 2.0f - Vector4D_SSE(1.0f, 1.0f, 1.0f, 1.0f); |
| 37 | |
| 38 | Vector4D_SSE obj = inverse * tmp; |
| 39 | if (qFuzzyIsNull(f: obj.w())) |
| 40 | obj.setW(1.0f); |
| 41 | obj /= obj.w(); |
| 42 | return Vector3D_SSE(obj); |
| 43 | } |
| 44 | |
| 45 | Vector3D_SSE Vector3D_SSE::project(const Matrix4x4_SSE &modelView, const Matrix4x4_SSE &projection, const QRect &viewport) const |
| 46 | { |
| 47 | Vector4D_SSE tmp(*this, 1.0f); |
| 48 | tmp = projection * modelView * tmp; |
| 49 | if (qFuzzyIsNull(f: tmp.w())) |
| 50 | tmp.setW(1.0f); |
| 51 | tmp /= tmp.w(); |
| 52 | |
| 53 | tmp = tmp * 0.5f + Vector4D_SSE(0.5f, 0.5f, 0.5f, 0.5f); |
| 54 | tmp.setX(tmp.x() * viewport.width() + viewport.x()); |
| 55 | tmp.setY(tmp.y() * viewport.height() + viewport.y()); |
| 56 | |
| 57 | return Vector3D_SSE(tmp); |
| 58 | } |
| 59 | |
| 60 | } // Qt3DCore |
| 61 | |
| 62 | QT_END_NAMESPACE |
| 63 | |
| 64 | #endif // __SSE2__ |
| 65 | |