kc3-lang/angle/src/tests/egl_tests/EGLSurfaceTestMac.mm

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• Hash : 89e38b57
  Author :
  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/egl_tests/EGLSurfaceTestMac.mm

• //
  // Copyright 2021 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.
  //
  // EGLSurfaceTestMac:
  //   Tests pertaining to egl::Surface.
  //
  
  #include <gtest/gtest.h>
  
  #include <vector>
  
  #include <AppKit/AppKit.h>
  
  #include "common/Color.h"
  #include "common/platform.h"
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  #include "util/EGLWindow.h"
  #include "util/OSWindow.h"
  
  using namespace angle;
  
  namespace
  {
  
  class EGLSurfaceTestMac : public ANGLETest<>
  {
    protected:
      void testSetUp() override
      {
          // Get display.
          EGLAttrib dispattrs[] = {EGL_PLATFORM_ANGLE_TYPE_ANGLE, GetParam().getRenderer(), EGL_NONE};
          mDisplay              = eglGetPlatformDisplay(EGL_PLATFORM_ANGLE_ANGLE,
                                                        reinterpret_cast<void *>(EGL_DEFAULT_DISPLAY), dispattrs);
          ASSERT_TRUE(mDisplay != EGL_NO_DISPLAY);
  
          ASSERT_TRUE(eglInitialize(mDisplay, nullptr, nullptr) == EGL_TRUE);
  
          // Find a default config.
          const EGLint configAttributes[] = {
              EGL_SURFACE_TYPE, EGL_WINDOW_BIT, EGL_RED_SIZE,     EGL_DONT_CARE,  EGL_GREEN_SIZE,
              EGL_DONT_CARE,    EGL_BLUE_SIZE,  EGL_DONT_CARE,    EGL_ALPHA_SIZE, EGL_DONT_CARE,
              EGL_DEPTH_SIZE,   EGL_DONT_CARE,  EGL_STENCIL_SIZE, EGL_DONT_CARE,  EGL_NONE};
  
          EGLint configCount;
          EGLint ret = eglChooseConfig(mDisplay, configAttributes, &mConfig, 1, &configCount);
  
          if (!ret || configCount == 0)
          {
              return;
          }
  
          // Create a window, context and surface if multisampling is possible.
          mOSWindow = OSWindow::New();
          mOSWindow->initialize("EGLSurfaceTestMac", kWindowWidth, kWindowHeight);
          setWindowVisible(mOSWindow, true);
  
          EGLint contextAttributes[] = {
              EGL_CONTEXT_MAJOR_VERSION_KHR,
              GetParam().majorVersion,
              EGL_CONTEXT_MINOR_VERSION_KHR,
              GetParam().minorVersion,
              EGL_NONE,
          };
  
          mContext = eglCreateContext(mDisplay, mConfig, EGL_NO_CONTEXT, contextAttributes);
          ASSERT_TRUE(mContext != EGL_NO_CONTEXT);
      }
  
      void testTearDown() override
      {
          if (mSurface)
          {
              eglSwapBuffers(mDisplay, mSurface);
          }
  
          eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
  
          if (mSurface)
          {
              eglDestroySurface(mDisplay, mSurface);
              ASSERT_EGL_SUCCESS();
          }
  
          if (mContext != EGL_NO_CONTEXT)
          {
              eglDestroyContext(mDisplay, mContext);
              ASSERT_EGL_SUCCESS();
          }
  
          if (mOSWindow)
          {
              OSWindow::Delete(&mOSWindow);
          }
  
          eglTerminate(mDisplay);
      }
  
      void initializeSurface(int contentsScale)
      {
          EGLNativeWindowType nativeWindow = mOSWindow->getNativeWindow();
          CALayer *layer                   = reinterpret_cast<CALayer *>(nativeWindow);
          layer.contentsScale              = contentsScale;
  
          mSurface = eglCreateWindowSurface(mDisplay, mConfig, nativeWindow, nullptr);
          ASSERT_EGL_SUCCESS();
  
          eglMakeCurrent(mDisplay, mSurface, mSurface, mContext);
          ASSERT_EGL_SUCCESS();
      }
  
    protected:
      static constexpr int kWindowWidth  = 16;
      static constexpr int kWindowHeight = 8;
  
      OSWindow *mOSWindow = nullptr;
      EGLDisplay mDisplay = EGL_NO_DISPLAY;
      EGLContext mContext = EGL_NO_CONTEXT;
      EGLSurface mSurface = EGL_NO_SURFACE;
      EGLConfig mConfig;
  };
  
  // Test Mac's layer's content scale > 1 and check the initial viewport is set correctly.
  TEST_P(EGLSurfaceTestMac, ContentsScale)
  {
      constexpr int contentsScale = 2;
      initializeSurface(contentsScale);
  
      GLint viewport[4];
      glGetIntegerv(GL_VIEWPORT, viewport);
      ASSERT_EQ(viewport[0], 0);
      ASSERT_EQ(viewport[1], 0);
      ASSERT_EQ(viewport[2], kWindowWidth * contentsScale);
      ASSERT_EQ(viewport[3], kWindowHeight * contentsScale);
  
      GLColor clearColor(255, 0, 0, 255);
      glClearColor(clearColor.R, clearColor.G, clearColor.B, clearColor.A);
      glClear(GL_COLOR_BUFFER_BIT);
      ASSERT_GL_NO_ERROR();
  
      EXPECT_PIXEL_COLOR_EQ(0, 0, clearColor);
      EXPECT_PIXEL_COLOR_EQ(kWindowWidth, 0, clearColor);
      EXPECT_PIXEL_COLOR_EQ(0, kWindowHeight, clearColor);
      EXPECT_PIXEL_COLOR_EQ(kWindowHeight * contentsScale - 1, kWindowHeight * contentsScale - 1,
                            clearColor);
  }
  }  // anonymous namespace
  
  ANGLE_INSTANTIATE_TEST(EGLSurfaceTestMac,
                         WithNoFixture(ES2_OPENGL()),
                         WithNoFixture(ES3_OPENGL()),
                         WithNoFixture(ES2_METAL()),
                         WithNoFixture(ES3_METAL()));
  

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