kc3-lang/angle/src/tests/gl_tests/gles1/MatrixMultTest.cpp

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• Author : Lingfeng Yang
  Date : 2018-04-09 07:57:23
  Hash : 568fc39b
  Message : GLES1: glMultMatrix(f|x) BUG=angleproject:2306 Change-Id: I178b051c23da51d8eaf24c2a0df97f01ae5f3aaa Reviewed-on: https://chromium-review.googlesource.com/1002914 Commit-Queue: Lingfeng Yang <lfy@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/tests/gl_tests/gles1/MatrixMultTest.cpp

• //
  // 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.
  //
  
  // MatrixMultTest.cpp: Tests basic usage of glMultMatrix(f|x).
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  #include "common/matrix_utils.h"
  #include "random_utils.h"
  
  #include <stdint.h>
  
  using namespace angle;
  
  class MatrixMultTest : public ANGLETest
  {
    protected:
      MatrixMultTest()
      {
          setWindowWidth(32);
          setWindowHeight(32);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
      }
  };
  
  // Multiplies identity matrix with itself.
  TEST_P(MatrixMultTest, Identity)
  {
      angle::Mat4 testMatrix;
      angle::Mat4 outputMatrix;
  
      glMultMatrixf(testMatrix.data());
      EXPECT_GL_NO_ERROR();
  
      glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data());
      EXPECT_GL_NO_ERROR();
  
      EXPECT_EQ(angle::Mat4(), outputMatrix);
  }
  
  // Multiplies translation matrix and checks matrix underneath in stack is not affected.
  TEST_P(MatrixMultTest, Translation)
  {
      glPushMatrix();
  
      angle::Mat4 testMatrix = angle::Mat4::Translate(angle::Vector3(1.0f, 0.0f, 0.0f));
  
      angle::Mat4 outputMatrix;
  
      glMultMatrixf(testMatrix.data());
      EXPECT_GL_NO_ERROR();
  
      glMultMatrixf(testMatrix.data());
      EXPECT_GL_NO_ERROR();
  
      glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data());
      EXPECT_GL_NO_ERROR();
  
      EXPECT_EQ(angle::Mat4::Translate(angle::Vector3(2.0f, 0.0f, 0.0f)), outputMatrix);
  
      glPopMatrix();
  
      glGetFloatv(GL_MODELVIEW_MATRIX, outputMatrix.data());
      EXPECT_GL_NO_ERROR();
  
      EXPECT_EQ(angle::Mat4(), outputMatrix);
  }
  
  ANGLE_INSTANTIATE_TEST(MatrixMultTest, ES1_D3D11(), ES1_OPENGL(), ES1_OPENGLES());