chromium/third_party/angle/src/common/matrix_utils_unittest.cpp

//
// Copyright 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// matrix_utils_unittests:
//   Unit tests for the matrix utils.
//

#include "matrix_utils.h"

#include <gtest/gtest.h>

usingnamespaceangle;

namespace
{

struct RotateArgs
{ … };

struct TranslateArgs
{ … };

struct ScaleArgs
{ … };

struct FrustumArgs
{ … };

void CheckMat4ExactlyEq(const Mat4 &a, const Mat4 &b)
{ … }

// TODO(lfy): Spec out requirements for matrix precision
void CheckMatrixCloseToGolden(float *golden, const Mat4 &m)
{ … }

void CheckMatrixCloseToGolden(const std::vector<float> &golden, const Mat4 &m)
{ … }
}  // namespace

namespace
{

const unsigned int minDimensions = …;
const unsigned int maxDimensions = …;

TEST(MatrixUtilsTest, MatrixConstructorTest)
{ … }

TEST(MatrixUtilsTest, MatrixCompMultTest)
{ … }

TEST(MatrixUtilsTest, MatrixOuterProductTest)
{ … }

TEST(MatrixUtilsTest, MatrixTransposeTest)
{ … }

TEST(MatrixUtilsTest, MatrixDeterminantTest)
{ … }

TEST(MatrixUtilsTest, 2x2MatrixInverseTest)
{ … }

TEST(MatrixUtilsTest, 3x3MatrixInverseTest)
{ … }

TEST(MatrixUtilsTest, 4x4MatrixInverseTest)
{ … }

// Tests constructors for mat4; using raw float*, std::vector<float>,
// and Matrix<float>.
TEST(MatrixUtilsTest, Mat4Construction)
{ … }

// Tests rotation matrices.
TEST(MatrixUtilsTest, Mat4Rotate)
{ … }

// Tests mat4 translation.
TEST(MatrixUtilsTest, Mat4Translate)
{ … }

// Tests scale for mat4.
TEST(MatrixUtilsTest, Mat4Scale)
{ … }

// Tests frustum matrices.
TEST(MatrixUtilsTest, Mat4Frustum)
{ … }

// Tests orthographic projection matrices.
TEST(MatrixUtilsTest, Mat4Ortho)
{ … }

// Tests for inverse transpose of mat4, which is a frequent operation done to
// the modelview matrix, for things such as transformation of normals.
TEST(MatrixUtilsTest, Mat4InvTr)
{ … }

// Tests mat4 matrix/matrix multiplication by multiplying two translation matrices.
TEST(MatrixUtilsTest, Mat4Mult)
{ … }

// Tests exact equality.
TEST(MatrixUtilsTest, ExactEquality)
{ … }

// Tests near equality.
TEST(MatrixUtilsTest, NearEquality)
{ … }

}  // namespace