kc3-lang/angle/src/tests/gl_tests/gles1/MatrixBuiltinsTest.cpp
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Hash : 89e38b57
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Date : 2022-06-22T15:04:08
Refactor to use ANGLETest vs ANGLETestWithParam Bug: angleproject:6747 Change-Id: I72ad52d0268eae0e1a401f12f3e94cc5efa402f2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3719002 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Cody Northrop <cnorthrop@google.com>
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src/tests/gl_tests/gles1/MatrixBuiltinsTest.cpp
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// // Copyright 2018 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. // // MatrixBuiltinsTest.cpp: Tests basic usage of builtin matrix operations. #include "test_utils/ANGLETest.h" #include "test_utils/gl_raii.h" #include "common/matrix_utils.h" #include "util/random_utils.h" #include <stdint.h> using namespace angle; class MatrixBuiltinsTest : public ANGLETest<> { protected: MatrixBuiltinsTest() { setWindowWidth(32); setWindowHeight(32); setConfigRedBits(8); setConfigGreenBits(8); setConfigBlueBits(8); setConfigAlphaBits(8); setConfigDepthBits(24); } }; // Test rotation and check the matrix for closeness to a rotation matrix. TEST_P(MatrixBuiltinsTest, Rotate) { constexpr float angle = 90.0f; constexpr float x = 1.0f; constexpr float y = 1.0f; constexpr float z = 1.0f; angle::Mat4 testMatrix = angle::Mat4::Rotate(angle, angle::Vector3(x, y, z)); glRotatef(angle, x, y, z); EXPECT_GL_NO_ERROR(); angle::Mat4 outputMatrix; glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data()); EXPECT_GL_NO_ERROR(); EXPECT_TRUE(testMatrix.nearlyEqual(0.00001f, outputMatrix)); } // Test translation and check the matrix for closeness to a translation matrix. TEST_P(MatrixBuiltinsTest, Translate) { constexpr float x = 1.0f; constexpr float y = 1.0f; constexpr float z = 1.0f; angle::Mat4 testMatrix = angle::Mat4::Translate(angle::Vector3(x, y, z)); glTranslatef(1.0f, 0.0f, 0.0f); glTranslatef(0.0f, 1.0f, 0.0f); glTranslatef(0.0f, 0.0f, 1.0f); EXPECT_GL_NO_ERROR(); angle::Mat4 outputMatrix; glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data()); EXPECT_GL_NO_ERROR(); EXPECT_TRUE(testMatrix.nearlyEqual(0.00001f, outputMatrix)); } // Test scale and check the matrix for closeness to a scale matrix. TEST_P(MatrixBuiltinsTest, Scale) { constexpr float x = 3.0f; constexpr float y = 9.0f; constexpr float z = 27.0f; angle::Mat4 testMatrix = angle::Mat4::Scale(angle::Vector3(x, y, z)); glScalef(3.0f, 3.0f, 3.0f); glScalef(1.0f, 3.0f, 3.0f); glScalef(1.0f, 1.0f, 3.0f); EXPECT_GL_NO_ERROR(); angle::Mat4 outputMatrix; glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data()); EXPECT_GL_NO_ERROR(); EXPECT_TRUE(testMatrix.nearlyEqual(0.00001f, outputMatrix)); } // Test frustum projection and check the matrix values. TEST_P(MatrixBuiltinsTest, Frustum) { constexpr float l = -1.0f; constexpr float r = 1.0f; constexpr float b = -1.0f; constexpr float t = 1.0f; constexpr float n = 0.1f; constexpr float f = 1.0f; angle::Mat4 testMatrix = angle::Mat4::Frustum(l, r, b, t, n, f); glFrustumf(l, r, b, t, n, f); EXPECT_GL_NO_ERROR(); angle::Mat4 outputMatrix; glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data()); EXPECT_GL_NO_ERROR(); EXPECT_TRUE(testMatrix.nearlyEqual(0.00001f, outputMatrix)); } // Test orthographic projection and check the matrix values. TEST_P(MatrixBuiltinsTest, Ortho) { constexpr float l = -1.0f; constexpr float r = 1.0f; constexpr float b = -1.0f; constexpr float t = 1.0f; constexpr float n = 0.1f; constexpr float f = 1.0f; angle::Mat4 testMatrix = angle::Mat4::Ortho(l, r, b, t, n, f); glOrthof(l, r, b, t, n, f); EXPECT_GL_NO_ERROR(); angle::Mat4 outputMatrix; glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data()); EXPECT_GL_NO_ERROR(); EXPECT_TRUE(testMatrix.nearlyEqual(0.00001f, outputMatrix)); } // Test that GL_INVALID_VALUE is issued if potential divide by zero situations happen for // glFrustumf. TEST_P(MatrixBuiltinsTest, FrustumNegative) { glFrustumf(1.0f, 1.0f, 0.0f, 1.0f, 0.1f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); glFrustumf(0.0f, 1.0f, 1.0f, 1.0f, 0.1f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); glFrustumf(0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); glFrustumf(0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); glFrustumf(0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); glFrustumf(0.0f, 1.0f, 0.0f, 1.0f, -1.0f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); } // Test that GL_INVALID_VALUE is issued if potential divide by zero situations happen for glOrthof. TEST_P(MatrixBuiltinsTest, OrthoNegative) { glOrthof(1.0f, 1.0f, 0.0f, 1.0f, 0.1f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); glOrthof(0.0f, 1.0f, 1.0f, 1.0f, 0.1f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); glOrthof(0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f); EXPECT_GL_ERROR(GL_INVALID_VALUE); } // Test that glOrtho{fx} don't issue error result if near or far is negative. TEST_P(MatrixBuiltinsTest, OrthoNegativeNearFar) { glOrthof(-1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 0.0f); EXPECT_GL_NO_ERROR(); glOrthof(-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, -1.0f); EXPECT_GL_NO_ERROR(); glOrthox(-1, 1, -1, 1, -1, 0); EXPECT_GL_NO_ERROR(); glOrthox(-1, 1, -1, 1, 0, -1); EXPECT_GL_NO_ERROR(); } ANGLE_INSTANTIATE_TEST_ES1(MatrixBuiltinsTest);