SharedRGBImage.h (1738B)
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 SHAREDRGBIMAGE_H_ 8 #define SHAREDRGBIMAGE_H_ 9 10 #include <stddef.h> // for size_t 11 #include <stdint.h> // for uint8_t 12 13 #include "ImageContainer.h" // for ISharedImage, Image, etc 14 #include "gfxTypes.h" 15 #include "mozilla/RefPtr.h" // for RefPtr 16 #include "mozilla/gfx/Point.h" // for IntSize 17 #include "mozilla/gfx/Types.h" // for SurfaceFormat 18 #include "nsCOMPtr.h" // for already_AddRefed 19 20 namespace mozilla { 21 namespace layers { 22 23 class ImageClient; 24 class TextureClient; 25 26 /** 27 * Stores RGB data in shared memory 28 * It is assumed that the image width and stride are equal 29 */ 30 class SharedRGBImage : public Image { 31 public: 32 explicit SharedRGBImage(ImageClient* aCompositable); 33 explicit SharedRGBImage(TextureClientRecycleAllocator* aRecycleAllocator); 34 35 protected: 36 virtual ~SharedRGBImage(); 37 38 public: 39 TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override; 40 41 gfx::IntSize GetSize() const override; 42 43 already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override; 44 45 bool Allocate(gfx::IntSize aSize, gfx::SurfaceFormat aFormat); 46 47 private: 48 TextureClientRecycleAllocator* RecycleAllocator(); 49 50 gfx::IntSize mSize; 51 RefPtr<TextureClient> mTextureClient; 52 RefPtr<ImageClient> mCompositable; 53 RefPtr<TextureClientRecycleAllocator> mRecycleAllocator; 54 RefPtr<gfx::SourceSurface> mSourceSurface; 55 }; 56 57 } // namespace layers 58 } // namespace mozilla 59 60 #endif