TextureWrapperImage.h (1374B)
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 7 #ifndef GFX_LAYERS_TEXTUREWRAPPINGIMAGE_H_ 8 #define GFX_LAYERS_TEXTUREWRAPPINGIMAGE_H_ 9 10 #include "mozilla/RefPtr.h" 11 #include "ImageContainer.h" 12 #include "mozilla/layers/TextureClient.h" 13 14 namespace mozilla { 15 namespace layers { 16 17 // Wraps a TextureClient into an Image. This may only be used on the main 18 // thread, and only with TextureClients that support BorrowDrawTarget(). 19 class TextureWrapperImage final : public Image { 20 public: 21 TextureWrapperImage(TextureClient* aClient, const gfx::IntRect& aPictureRect); 22 virtual ~TextureWrapperImage(); 23 24 gfx::IntSize GetSize() const override; 25 gfx::IntRect GetPictureRect() const override; 26 already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override; 27 TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override; 28 void OnPrepareForwardToHost() override; 29 void OnAbandonForwardToHost() override; 30 31 private: 32 gfx::IntRect mPictureRect; 33 RefPtr<TextureClient> mTextureClient; 34 }; 35 36 } // namespace layers 37 } // namespace mozilla 38 39 #endif // GFX_LAYERS_TEXTUREWRAPPINGIMAGE_H_