gfx/layers/TextureWrapperImage.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6 #include "TextureWrapperImage.h"
   7
   8 namespace mozilla {
   9 namespace layers {
  10
  11 using namespace mozilla::gfx;
  12
  13 TextureWrapperImage::TextureWrapperImage(TextureClient* aClient,
  14                                          const IntRect& aPictureRect)
  15     : Image(nullptr, ImageFormat::TEXTURE_WRAPPER),
  16       mPictureRect(aPictureRect),
  17       mTextureClient(aClient) {}
  18
  19 TextureWrapperImage::~TextureWrapperImage() = default;
  20
  21 gfx::IntSize TextureWrapperImage::GetSize() const {
  22   return mTextureClient->GetSize();
  23 }
  24
  25 gfx::IntRect TextureWrapperImage::GetPictureRect() const {
  26   return mPictureRect;
  27 }
  28
  29 already_AddRefed<gfx::SourceSurface> TextureWrapperImage::GetAsSourceSurface() {
  30   TextureClientAutoLock autoLock(mTextureClient, OpenMode::OPEN_READ);
  31   if (!autoLock.Succeeded()) {
  32     return nullptr;
  33   }
  34
  35   RefPtr<DrawTarget> dt = mTextureClient->BorrowDrawTarget();
  36   if (!dt) {
  37     return nullptr;
  38   }
  39
  40   return dt->Snapshot();
  41 }
  42
  43 TextureClient* TextureWrapperImage::GetTextureClient(
  44     KnowsCompositor* aKnowsCompositor) {
  45   return mTextureClient;
  46 }
  47
  48 void TextureWrapperImage::OnPrepareForwardToHost() {
  49   mTextureClient->OnPrepareForwardToHost();
  50 }
  51
  52 void TextureWrapperImage::OnAbandonForwardToHost() {
  53   mTextureClient->OnAbandonForwardToHost();
  54 }
  55
  56 }  // namespace layers
  57 }  // namespace mozilla