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comparison: gfx/gl/SharedSurfaceGralloc.h
gfx/gl/SharedSurfaceGralloc.h
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| 1 /* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef SHARED_SURFACE_GRALLOC_H_ | |
| 7 #define SHARED_SURFACE_GRALLOC_H_ | |
| 8 | |
| 9 #include "SharedSurfaceGL.h" | |
| 10 #include "mozilla/layers/ISurfaceAllocator.h" | |
| 11 #include "mozilla/layers/LayersSurfaces.h" | |
| 12 #include "mozilla/layers/TextureClient.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace layers { | |
| 16 class ISurfaceAllocator; | |
| 17 } | |
| 18 | |
| 19 namespace gl { | |
| 20 class GLContext; | |
| 21 class GLLibraryEGL; | |
| 22 | |
| 23 class SharedSurface_Gralloc | |
| 24 : public SharedSurface_GL | |
| 25 { | |
| 26 public: | |
| 27 static SharedSurface_Gralloc* Create(GLContext* prodGL, | |
| 28 const GLFormats& formats, | |
| 29 const gfx::IntSize& size, | |
| 30 bool hasAlpha, | |
| 31 layers::ISurfaceAllocator* allocator); | |
| 32 | |
| 33 static SharedSurface_Gralloc* Cast(SharedSurface* surf) { | |
| 34 MOZ_ASSERT(surf->Type() == SharedSurfaceType::Gralloc); | |
| 35 | |
| 36 return (SharedSurface_Gralloc*)surf; | |
| 37 } | |
| 38 | |
| 39 protected: | |
| 40 GLLibraryEGL* const mEGL; | |
| 41 RefPtr<layers::ISurfaceAllocator> mAllocator; | |
| 42 RefPtr<layers::TextureClient> mTextureClient; | |
| 43 const GLuint mProdTex; | |
| 44 | |
| 45 SharedSurface_Gralloc(GLContext* prodGL, | |
| 46 const gfx::IntSize& size, | |
| 47 bool hasAlpha, | |
| 48 GLLibraryEGL* egl, | |
| 49 layers::ISurfaceAllocator* allocator, | |
| 50 layers::TextureClient* textureClient, | |
| 51 GLuint prodTex) | |
| 52 : SharedSurface_GL(SharedSurfaceType::Gralloc, | |
| 53 AttachmentType::GLTexture, | |
| 54 prodGL, | |
| 55 size, | |
| 56 hasAlpha) | |
| 57 , mEGL(egl) | |
| 58 , mAllocator(allocator) | |
| 59 , mTextureClient(textureClient) | |
| 60 , mProdTex(prodTex) | |
| 61 {} | |
| 62 | |
| 63 static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl); | |
| 64 | |
| 65 public: | |
| 66 virtual ~SharedSurface_Gralloc(); | |
| 67 | |
| 68 virtual void Fence() MOZ_OVERRIDE; | |
| 69 virtual bool WaitSync() MOZ_OVERRIDE; | |
| 70 | |
| 71 virtual void LockProdImpl() MOZ_OVERRIDE {} | |
| 72 virtual void UnlockProdImpl() MOZ_OVERRIDE {} | |
| 73 | |
| 74 virtual GLuint ProdTexture() MOZ_OVERRIDE { | |
| 75 return mProdTex; | |
| 76 } | |
| 77 | |
| 78 layers::TextureClient* GetTextureClient() { | |
| 79 return mTextureClient; | |
| 80 } | |
| 81 }; | |
| 82 | |
| 83 class SurfaceFactory_Gralloc | |
| 84 : public SurfaceFactory_GL | |
| 85 { | |
| 86 protected: | |
| 87 RefPtr<layers::ISurfaceAllocator> mAllocator; | |
| 88 | |
| 89 public: | |
| 90 SurfaceFactory_Gralloc(GLContext* prodGL, | |
| 91 const SurfaceCaps& caps, | |
| 92 layers::ISurfaceAllocator* allocator = nullptr); | |
| 93 | |
| 94 virtual SharedSurface* CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE { | |
| 95 bool hasAlpha = mReadCaps.alpha; | |
| 96 if (!mAllocator) { | |
| 97 return nullptr; | |
| 98 } | |
| 99 return SharedSurface_Gralloc::Create(mGL, mFormats, size, hasAlpha, mAllocator); | |
| 100 } | |
| 101 }; | |
| 102 | |
| 103 } /* namespace gl */ | |
| 104 } /* namespace mozilla */ | |
| 105 | |
| 106 #endif /* SHARED_SURFACE_GRALLOC_H_ */ |
