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 | |