1 files changed, 118 insertions, 0 deletions
diff --git a/tests/auto/runtime/Qt3DSRenderTestMathUtil.cpp b/tests/auto/runtime/Qt3DSRenderTestMathUtil.cpp
new file mode 100644
index 0000000..f216faa
--- /dev/null
+++ b/tests/auto/runtime/Qt3DSRenderTestMathUtil.cpp
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "Qt3DSRenderTestMathUtil.h"
+#include <math.h>
+
+using namespace qt3ds;
+using namespace qt3ds::render;
+
+#define QT3DS_RENDER_TEST_PI 3.14159265358979323846f
+
+inline float degreeToRad(float degree)
+{
+    return (degree * QT3DS_RENDER_TEST_PI) / 180.0f;
+}
+
+void qt3ds::render::NvRenderTestMatrixFrustum(QT3DSMat44 *m, float l, float r, float b, float t, float n,
+                                           float f)
+{
+    float rightMinusLeftInv, topMinusBottomInv, farMinusNearInv, twoNear;
+
+    rightMinusLeftInv = 1.0f / (r - l);
+    topMinusBottomInv = 1.0f / (t - b);
+    farMinusNearInv = 1.0f / (f - n);
+    twoNear = 2.0f * n;
+
+    m->column0 = QT3DSVec4(twoNear * rightMinusLeftInv, 0, 0, 0);
+    m->column1 = QT3DSVec4(0, twoNear * topMinusBottomInv, 0, 0);
+    m->column2 = QT3DSVec4((r + l) * rightMinusLeftInv, (t + b) * topMinusBottomInv,
+                        -(f + n) * farMinusNearInv, -1.0f);
+    m->column3 = QT3DSVec4(0, 0, -(twoNear * f) * farMinusNearInv, 0.0f);
+}
+
+void qt3ds::render::NvGl2DemoMatrixOrtho(QT3DSMat44 *m, float l, float r, float b, float t, float n,
+                                      float f)
+{
+    float rightMinusLeftInv, topMinusBottomInv, farMinusNearInv;
+
+    rightMinusLeftInv = 1.0f / (r - l);
+    topMinusBottomInv = 1.0f / (t - b);
+    farMinusNearInv = 1.0f / (f - n);
+
+    m->column0 = QT3DSVec4(2.0f * rightMinusLeftInv, 0, 0, 0);
+    m->column1 = QT3DSVec4(0, 2.0f * topMinusBottomInv, 0, 0);
+    m->column2 = QT3DSVec4(0, 0, -2.0f * farMinusNearInv, 0);
+    m->column3 = QT3DSVec4(-(r + l) * rightMinusLeftInv, -(t + b) * topMinusBottomInv,
+                        -(f + n) * farMinusNearInv, 1.0f);
+}
+
+void qt3ds::render::NvRenderTestMatrixRotX(QT3DSMat44 *m, float angle)
+{
+    float rad = degreeToRad(angle);
+    float cosPhi = cos(rad);
+    float sinPhi = sin(rad);
+
+    m->column0 = QT3DSVec4(1.0, 0.0, 0.0, 0.0);
+    m->column1 = QT3DSVec4(0.0, cosPhi, -sinPhi, 0.0);
+    m->column2 = QT3DSVec4(0.0, sinPhi, cosPhi, 0.0);
+    m->column3 = QT3DSVec4(0.0, 0.0, 0.0, 1.0);
+}
+
+void qt3ds::render::NvRenderTestMatrixRotY(QT3DSMat44 *m, float angle)
+{
+    float rad = degreeToRad(angle);
+    float cosPhi = cos(rad);
+    float sinPhi = sin(rad);
+
+    m->column0 = QT3DSVec4(cosPhi, 0.0, sinPhi, 0.0);
+    m->column1 = QT3DSVec4(0.0, 1.0, 0.0, 0.0);
+    m->column2 = QT3DSVec4(-sinPhi, 0.0, cosPhi, 0.0);
+    m->column3 = QT3DSVec4(0.0, 0.0, 0.0, 1.0);
+}
+
+void qt3ds::render::NvRenderTestMatrixRotZ(QT3DSMat44 *m, float angle)
+{
+    float rad = degreeToRad(angle);
+    float cosPhi = cos(rad);
+    float sinPhi = sin(rad);
+
+    m->column0 = QT3DSVec4(cosPhi, -sinPhi, 0.0, 0.0);
+    m->column1 = QT3DSVec4(sinPhi, cosPhi, 0.0, 0.0);
+    m->column2 = QT3DSVec4(0.0, 0.0, 1.0, 0.0);
+    m->column3 = QT3DSVec4(0.0, 0.0, 0.0, 1.0);
+}
+
+void qt3ds::render::NvRenderTestMatrixTranslation(QT3DSMat44 *m, float x, float y, float z)
+{
+    m->column0 = QT3DSVec4(1.0, 0.0, 0.0, 0.0);
+    m->column1 = QT3DSVec4(0.0, 1.0, 0.0, 0.0);
+    m->column2 = QT3DSVec4(0.0, 0.0, 1.0, 0.0);
+    m->column3 = QT3DSVec4(x, y, z, 1.0);
+}