kc3-lang/angle/src/libANGLE/Image_unittest.cpp

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• Author : Jamie Madill
  Date : 2015-08-07 13:23:23
  Hash : 1b94d432
  Message : Implement dirty bits for RendererGL's basic state. BUG=angleproject:1040 TEST=angle_end2end_tests,angle_perftests,WebGL Change-Id: I72beaf7e178e042440337fbb8b9669638c5ad016 Reviewed-on: https://chromium-review.googlesource.com/289558 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>

• src/libANGLE/Image_unittest.cpp

• //
  // Copyright (c) 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.
  //
  
  // Image_unittest.cpp : Unittets of the Image and ImageSibling classes.
  
  #include "gmock/gmock.h"
  #include "gtest/gtest.h"
  #include "libANGLE/Image.h"
  #include "libANGLE/Texture.h"
  #include "libANGLE/Renderbuffer.h"
  #include "libANGLE/renderer/ImageImpl_mock.h"
  #include "libANGLE/renderer/TextureImpl_mock.h"
  #include "libANGLE/renderer/RenderbufferImpl_mock.h"
  
  using ::testing::_;
  using ::testing::Return;
  
  namespace angle
  {
  // Verify ref counts are maintained between images and their siblings when objects are deleted
  TEST(ImageTest, RefCounting)
  {
      // Create a texture and an EGL image that uses the texture as its source
      rx::MockTextureImpl *textureImpl = new rx::MockTextureImpl();
      gl::Texture *texture = new gl::Texture(textureImpl, 1, GL_TEXTURE_2D);
      texture->addRef();
  
      rx::MockImageImpl *imageImpl = new rx::MockImageImpl();
      egl::Image *image = new egl::Image(imageImpl, EGL_GL_TEXTURE_2D, texture, egl::AttributeMap());
      image->addRef();
  
      // Verify that the image added a ref to the texture and the texture has not added a ref to the
      // image
      EXPECT_EQ(texture->getRefCount(), 2u);
      EXPECT_EQ(image->getRefCount(), 1u);
  
      // Create a renderbuffer and set it as a target of the EGL image
      rx::MockRenderbufferImpl *renderbufferImpl = new rx::MockRenderbufferImpl();
      gl::Renderbuffer *renderbuffer = new gl::Renderbuffer(renderbufferImpl, 1);
      renderbuffer->addRef();
  
      EXPECT_CALL(*renderbufferImpl, setStorageEGLImageTarget(_))
          .WillOnce(Return(gl::Error(GL_NO_ERROR)))
          .RetiresOnSaturation();
      renderbuffer->setStorageEGLImageTarget(image);
  
      // Verify that the renderbuffer added a ref to the image and the image did not add a ref to
      // the renderbuffer
      EXPECT_EQ(texture->getRefCount(), 2u);
      EXPECT_EQ(image->getRefCount(), 2u);
      EXPECT_EQ(renderbuffer->getRefCount(), 1u);
  
      // Simulate deletion of the texture and verify that it still exists because the image holds a
      // ref
      texture->release();
      EXPECT_EQ(texture->getRefCount(), 1u);
      EXPECT_EQ(image->getRefCount(), 2u);
      EXPECT_EQ(renderbuffer->getRefCount(), 1u);
  
      // Simulate deletion of the image and verify that it still exists because the renderbuffer holds
      // a ref
      image->release();
      EXPECT_EQ(texture->getRefCount(), 1u);
      EXPECT_EQ(image->getRefCount(), 1u);
      EXPECT_EQ(renderbuffer->getRefCount(), 1u);
  
      // Simulate deletion of the renderbuffer and verify that the deletion cascades to all objects
      EXPECT_CALL(*imageImpl, destructor()).Times(1).RetiresOnSaturation();
      EXPECT_CALL(*imageImpl, orphan(_))
          .WillOnce(Return(gl::Error(GL_NO_ERROR)))
          .RetiresOnSaturation();
  
      EXPECT_CALL(*textureImpl, destructor()).Times(1).RetiresOnSaturation();
      EXPECT_CALL(*renderbufferImpl, destructor()).Times(1).RetiresOnSaturation();
  
      renderbuffer->release();
  }
  
  // Verify that respecifiying textures releases references to the Image.
  TEST(ImageTest, RespecificationReleasesReferences)
  {
      // Create a texture and an EGL image that uses the texture as its source
      rx::MockTextureImpl *textureImpl = new rx::MockTextureImpl();
      gl::Texture *texture = new gl::Texture(textureImpl, 1, GL_TEXTURE_2D);
      texture->addRef();
  
      EXPECT_CALL(*textureImpl, setImage(_, _, _, _, _, _, _, _))
          .WillOnce(Return(gl::Error(GL_NO_ERROR)))
          .RetiresOnSaturation();
      texture->setImage(nullptr, GL_TEXTURE_2D, 0, GL_RGBA8, gl::Extents(1, 1, 1), GL_RGBA,
                        GL_UNSIGNED_BYTE, nullptr);
  
      rx::MockImageImpl *imageImpl = new rx::MockImageImpl();
      egl::Image *image = new egl::Image(imageImpl, EGL_GL_TEXTURE_2D, texture, egl::AttributeMap());
      image->addRef();
  
      // Verify that the image added a ref to the texture and the texture has not added a ref to the
      // image
      EXPECT_EQ(texture->getRefCount(), 2u);
      EXPECT_EQ(image->getRefCount(), 1u);
  
      // Respecify the texture and verify that the image releases its reference
      EXPECT_CALL(*imageImpl, orphan(_))
          .WillOnce(Return(gl::Error(GL_NO_ERROR)))
          .RetiresOnSaturation();
      EXPECT_CALL(*textureImpl, setImage(_, _, _, _, _, _, _, _))
          .WillOnce(Return(gl::Error(GL_NO_ERROR)))
          .RetiresOnSaturation();
  
      texture->setImage(nullptr, GL_TEXTURE_2D, 0, GL_RGBA8, gl::Extents(1, 1, 1), GL_RGBA,
                        GL_UNSIGNED_BYTE, nullptr);
  
      EXPECT_EQ(texture->getRefCount(), 1u);
      EXPECT_EQ(image->getRefCount(), 1u);
  
      // Delete the texture and verify that the image still exists
      EXPECT_CALL(*textureImpl, destructor()).Times(1).RetiresOnSaturation();
      texture->release();
  
      EXPECT_EQ(image->getRefCount(), 1u);
  
      // Delete the image
      EXPECT_CALL(*imageImpl, destructor()).Times(1).RetiresOnSaturation();
      image->release();
  }
  }