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

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• Author : Lingfeng Yang
  Date : 2018-03-29 16:50:32
  Hash : 5a7e61bb
  Message : GLES1: glNormal3(f|x) BUG=angleproject:2306 Change-Id: I42834078b14aaa20c4d4e6b67c097c810f5a17a3 Reviewed-on: https://chromium-review.googlesource.com/987297 Commit-Queue: Lingfeng Yang <lfy@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/tests/gl_tests/gles1/CurrentNormalTest.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.
  //
  
  // CurrentNormalTest.cpp: Tests basic usage of glNormal3(f|x).
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  #include "random_utils.h"
  
  #include "common/vector_utils.h"
  
  #include <stdint.h>
  
  using namespace angle;
  
  class CurrentNormalTest : public ANGLETest
  {
    protected:
      CurrentNormalTest()
      {
          setWindowWidth(32);
          setWindowHeight(32);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
      }
  };
  
  // State query: Checks the initial state is correct.
  TEST_P(CurrentNormalTest, InitialState)
  {
      const angle::Vector3 kUp(0.0f, 0.0f, 1.0f);
      angle::Vector3 actualNormal;
      glGetFloatv(GL_CURRENT_NORMAL, actualNormal.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(kUp, actualNormal);
  }
  
  // Set test: Checks that the current normal is properly set and retrieved.
  TEST_P(CurrentNormalTest, Set)
  {
      glNormal3f(0.1f, 0.2f, 0.3f);
      EXPECT_GL_NO_ERROR();
  
      angle::Vector3 actualNormal;
  
      glGetFloatv(GL_CURRENT_NORMAL, actualNormal.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(angle::Vector3(0.1f, 0.2f, 0.3f), actualNormal);
  
      float epsilon = 0.00001f;
  
      glNormal3x(0x10000, 0x3333, 0x5555);
      EXPECT_GL_NO_ERROR();
  
      glGetFloatv(GL_CURRENT_NORMAL, actualNormal.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_NEAR(1.0f, actualNormal[0], epsilon);
      EXPECT_NEAR(0.2f, actualNormal[1], epsilon);
      EXPECT_NEAR(1.0f / 3.0f, actualNormal[2], epsilon);
  }
  
  ANGLE_INSTANTIATE_TEST(CurrentNormalTest, ES1_D3D11(), ES1_OPENGL(), ES1_OPENGLES());