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//
// 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"
#include "tests/angle_unittests_utils.h"
using ::testing::_;
using ::testing::NiceMock;
using ::testing::Return;
namespace angle
{
// Verify ref counts are maintained between images and their siblings when objects are deleted
TEST(ImageTest, RefCounting)
{
NiceMock<rx::MockGLFactory> mockFactory;
// Create a texture and an EGL image that uses the texture as its source
rx::MockTextureImpl *textureImpl = new rx::MockTextureImpl();
EXPECT_CALL(mockFactory, createTexture(_)).WillOnce(Return(textureImpl));
gl::Texture *texture = new gl::Texture(&mockFactory, 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)
{
NiceMock<rx::MockGLFactory> mockFactory;
// Create a texture and an EGL image that uses the texture as its source
rx::MockTextureImpl *textureImpl = new rx::MockTextureImpl();
EXPECT_CALL(mockFactory, createTexture(_)).WillOnce(Return(textureImpl));
gl::Texture *texture = new gl::Texture(&mockFactory, 1, GL_TEXTURE_2D);
texture->addRef();
gl::PixelUnpackState defaultUnpackState;
EXPECT_CALL(*textureImpl, setImage(_, _, _, _, _, _, _, _))
.WillOnce(Return(gl::Error(GL_NO_ERROR)))
.RetiresOnSaturation();
texture->setImage(defaultUnpackState, 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(defaultUnpackState, 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();
}
}
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