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

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• Author : Geoff Lang
  Date : 2017-01-13 15:55:07
  Hash : c5a2a172
  Message : Add EGL_EXT_pixel_format_float support, enables float EGL surfaces. Add floating point EGL configs for the D3D11 backend. BUG=angleproject:1707 Change-Id: Ic84cd3a0d41e78cc39d0275d83e7695f55673ddf Reviewed-on: https://chromium-review.googlesource.com/428294 Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>

• src/tests/gl_tests/FloatingPointSurfaceTest.cpp

• //
  // Copyright 2017 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.
  //
  
  // FloatingPointSurfaceTest.cpp : Test functionality of the EGL_EXT_pixel_format_float extension.
  
  #include "test_utils/ANGLETest.h"
  
  using namespace angle;
  
  class FloatingPointSurfaceTest : public ANGLETest
  {
    protected:
      FloatingPointSurfaceTest()
      {
          setWindowWidth(512);
          setWindowHeight(512);
          setConfigRedBits(16);
          setConfigGreenBits(16);
          setConfigBlueBits(16);
          setConfigAlphaBits(16);
          setConfigComponentType(EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT);
      }
  
      void SetUp() override
      {
          ANGLETest::SetUp();
  
          const std::string vsSource =
              "precision highp float;\n"
              "attribute vec4 position;\n"
              "void main()\n"
              "{\n"
              "   gl_Position = position;\n"
              "}\n";
  
          const std::string fsSource =
              "precision highp float;\n"
              "void main()\n"
              "{\n"
              "   gl_FragColor = vec4(1.0, 2.0, 3.0, 4.0);\n"
              "}\n";
  
          mProgram = CompileProgram(vsSource, fsSource);
          ASSERT_NE(0u, mProgram) << "shader compilation failed.";
  
          ASSERT_GL_NO_ERROR();
      }
  
      void TearDown() override
      {
          glDeleteProgram(mProgram);
  
          ANGLETest::TearDown();
      }
  
      GLuint mProgram;
  };
  
  // Test clearing and checking the color is correct
  TEST_P(FloatingPointSurfaceTest, Clearing)
  {
      GLColor32F clearColor(0.0f, 1.0f, 2.0f, 3.0f);
      glClearColor(clearColor.R, clearColor.G, clearColor.B, clearColor.A);
      glClear(GL_COLOR_BUFFER_BIT);
      ASSERT_GL_NO_ERROR();
  
      EXPECT_PIXEL_COLOR32F_EQ(0, 0, clearColor);
  }
  
  // Test drawing and checking the color is correct
  TEST_P(FloatingPointSurfaceTest, Drawing)
  {
      glUseProgram(mProgram);
      drawQuad(mProgram, "position", 0.5f);
  
      EXPECT_PIXEL_32F_EQ(0, 0, 1.0f, 2.0f, 3.0f, 4.0f);
  }
  
  // Use this to select which configurations (e.g. which renderer, which GLES major version) these
  // tests should be run against.
  ANGLE_INSTANTIATE_TEST(FloatingPointSurfaceTest,
                         ES2_D3D11(),
                         ES3_D3D11(),
                         ES2_D3D11(EGL_EXPERIMENTAL_PRESENT_PATH_FAST_ANGLE));