gecko-dev/gfx/layers/TextureWrapperImage.cpp
Milan Sreckovic 0fb767e1f4 Bug 1232231 - BorrowDrawTarget can return nullptr - be ready for it. r=nical
--HG--
extra : rebase_source : de5fe177dd405078ba9c370b49b3168a8a51bc29
extra : source : e22122a3bf90033684f1ce762ea29d7e10ae3b93
2016-01-04 09:50:00 -05:00

59 lines
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TextureWrapperImage.h"
namespace mozilla {
namespace layers {
using namespace mozilla::gfx;
TextureWrapperImage::TextureWrapperImage(TextureClient* aClient, const IntRect& aPictureRect)
: Image(nullptr, ImageFormat::TEXTURE_WRAPPER),
mPictureRect(aPictureRect),
mTextureClient(aClient)
{
}
TextureWrapperImage::~TextureWrapperImage()
{
}
gfx::IntSize
TextureWrapperImage::GetSize()
{
return mTextureClient->GetSize();
}
gfx::IntRect
TextureWrapperImage::GetPictureRect()
{
return mPictureRect;
}
already_AddRefed<gfx::SourceSurface>
TextureWrapperImage::GetAsSourceSurface()
{
TextureClientAutoLock autoLock(mTextureClient, OpenMode::OPEN_READ);
if (!autoLock.Succeeded()) {
return nullptr;
}
RefPtr<DrawTarget> dt = mTextureClient->BorrowDrawTarget();
if (!dt) {
return nullptr;
}
return dt->Snapshot();
}
TextureClient*
TextureWrapperImage::GetTextureClient(CompositableClient* aClient)
{
return mTextureClient;
}
} // namespace layers
} // namespace mozilla