kc3-lang/angle/src/tests/gl_tests/DifferentStencilMasksTest.cpp

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• Author : Olli Etuaho
  Date : 2018-04-13 14:11:46
  Hash : 5804dc8e
  Message : Refactor GL tests to use a shader library Instead of having the same simple shaders repeated over and over in the test code, reuse a single shader library. BUG=angleproject:2474 TEST=angle_end2end_tests Change-Id: I13f8ca8c0125e6d30f1761639bf8c3f69e0e77d2 Reviewed-on: https://chromium-review.googlesource.com/1012078 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>

• src/tests/gl_tests/DifferentStencilMasksTest.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.
  //
  // DifferentStencilMasksTest:
  //   Tests the equality between stencilWriteMask and stencilBackWriteMask.
  //
  
  #include "test_utils/ANGLETest.h"
  
  using namespace angle;
  
  namespace
  {
  class DifferentStencilMasksTest : public ANGLETest
  {
    protected:
      DifferentStencilMasksTest() : mProgram(0)
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
          setConfigStencilBits(8);
      }
  
      void SetUp() override
      {
          ANGLETest::SetUp();
  
          mProgram = CompileProgram(essl1_shaders::vs::Simple(), essl1_shaders::fs::Blue());
          ASSERT_NE(0u, mProgram);
  
          glEnable(GL_STENCIL_TEST);
          ASSERT_GL_NO_ERROR();
      }
  
      void TearDown() override
      {
          glDisable(GL_STENCIL_TEST);
          if (mProgram != 0)
              glDeleteProgram(mProgram);
  
          ANGLETest::TearDown();
      }
  
      GLuint mProgram;
  };
  
  // Tests that effectively same front and back masks are legal.
  TEST_P(DifferentStencilMasksTest, DrawWithSameEffectiveMask)
  {
      // 0x00ff and 0x01ff are effectively 0x00ff by being masked by the current stencil bits, 8.
      glStencilMaskSeparate(GL_FRONT, 0x00ff);
      glStencilMaskSeparate(GL_BACK, 0x01ff);
  
      glUseProgram(mProgram);
  
      drawQuad(mProgram, essl1_shaders::PositionAttrib(), 0.5f);
  
      EXPECT_GL_NO_ERROR();
  }
  
  // Tests that effectively different front and back masks are illegal.
  TEST_P(DifferentStencilMasksTest, DrawWithDifferentMask)
  {
      glStencilMaskSeparate(GL_FRONT, 0x0001);
      glStencilMaskSeparate(GL_BACK, 0x0002);
  
      glUseProgram(mProgram);
  
      drawQuad(mProgram, essl1_shaders::PositionAttrib(), 0.5f);
  
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  }
  
  class DifferentStencilMasksWithoutStencilBufferTest : public ANGLETest
  {
    protected:
      DifferentStencilMasksWithoutStencilBufferTest() : mProgram(0)
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(0);
          setConfigStencilBits(0);
      }
  
      void SetUp() override
      {
          ANGLETest::SetUp();
  
          mProgram = CompileProgram(essl1_shaders::vs::Simple(), essl1_shaders::fs::Blue());
          ASSERT_NE(0u, mProgram);
  
          glEnable(GL_STENCIL_TEST);
          ASSERT_GL_NO_ERROR();
      }
  
      void TearDown() override
      {
          glDisable(GL_STENCIL_TEST);
          if (mProgram != 0)
              glDeleteProgram(mProgram);
  
          ANGLETest::TearDown();
      }
  
      GLuint mProgram;
  };
  
  // Tests that effectively different front and back masks, without stencil bits, are legal.
  TEST_P(DifferentStencilMasksWithoutStencilBufferTest, DrawWithDifferentMask)
  {
      glStencilMaskSeparate(GL_FRONT, 0x0001);
      glStencilMaskSeparate(GL_BACK, 0x0002);
  
      glUseProgram(mProgram);
  
      drawQuad(mProgram, essl1_shaders::PositionAttrib(), 0.5f);
  
      EXPECT_GL_NO_ERROR();
  }
  
  // Use this to select which configurations (e.g. which renderer, which GLES major version) these
  // tests should be run against.
  ANGLE_INSTANTIATE_TEST(DifferentStencilMasksTest, ES2_D3D9(), ES2_D3D11(), ES3_D3D11(), ES2_OPENGL(), ES3_OPENGL());
  ANGLE_INSTANTIATE_TEST(DifferentStencilMasksWithoutStencilBufferTest, ES2_D3D9(), ES2_D3D11(), ES3_D3D11(), ES2_OPENGL(), ES3_OPENGL());
  } // anonymous namespace