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 MOZILLA_GFX_TEXTUREHOSTBASIC_H_
8 #define MOZILLA_GFX_TEXTUREHOSTBASIC_H_
9 
10 #include "CompositableHost.h"
11 #include "mozilla/layers/LayersSurfaces.h"
12 #include "mozilla/layers/TextureHost.h"
13 #include "mozilla/gfx/2D.h"
14 
15 namespace mozilla {
16 namespace layers {
17 
18 already_AddRefed<TextureHost> CreateTextureHostBasic(
19     const SurfaceDescriptor& aDesc, ISurfaceAllocator* aDeallocator,
20     LayersBackend aBackend, TextureFlags aFlags);
21 
22 /**
23  * A texture source interface that can be used by the software Compositor.
24  */
25 class TextureSourceBasic {
26  public:
TextureSourceBasic()27   TextureSourceBasic() : mFromYCBCR(false) {}
28   virtual ~TextureSourceBasic() = default;
29   virtual gfx::SourceSurface* GetSurface(gfx::DrawTarget* aTarget) = 0;
SetBufferTextureHost(BufferTextureHost * aTexture)30   virtual void SetBufferTextureHost(BufferTextureHost* aTexture) {}
31   bool mFromYCBCR;  // we to track sources from YCBCR so we can use a less
32                     // accurate fast path for video
33 };
34 
35 }  // namespace layers
36 }  // namespace mozilla
37 
38 #endif  // MOZILLA_GFX_TEXTUREHOSTBASIC_H_
39