diff -r 000000000000 -r 6474c204b198 gfx/gl/SharedSurfaceGralloc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gfx/gl/SharedSurfaceGralloc.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,106 @@ +/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef SHARED_SURFACE_GRALLOC_H_ +#define SHARED_SURFACE_GRALLOC_H_ + +#include "SharedSurfaceGL.h" +#include "mozilla/layers/ISurfaceAllocator.h" +#include "mozilla/layers/LayersSurfaces.h" +#include "mozilla/layers/TextureClient.h" + +namespace mozilla { +namespace layers { +class ISurfaceAllocator; +} + +namespace gl { +class GLContext; +class GLLibraryEGL; + +class SharedSurface_Gralloc + : public SharedSurface_GL +{ +public: + static SharedSurface_Gralloc* Create(GLContext* prodGL, + const GLFormats& formats, + const gfx::IntSize& size, + bool hasAlpha, + layers::ISurfaceAllocator* allocator); + + static SharedSurface_Gralloc* Cast(SharedSurface* surf) { + MOZ_ASSERT(surf->Type() == SharedSurfaceType::Gralloc); + + return (SharedSurface_Gralloc*)surf; + } + +protected: + GLLibraryEGL* const mEGL; + RefPtr mAllocator; + RefPtr mTextureClient; + const GLuint mProdTex; + + SharedSurface_Gralloc(GLContext* prodGL, + const gfx::IntSize& size, + bool hasAlpha, + GLLibraryEGL* egl, + layers::ISurfaceAllocator* allocator, + layers::TextureClient* textureClient, + GLuint prodTex) + : SharedSurface_GL(SharedSurfaceType::Gralloc, + AttachmentType::GLTexture, + prodGL, + size, + hasAlpha) + , mEGL(egl) + , mAllocator(allocator) + , mTextureClient(textureClient) + , mProdTex(prodTex) + {} + + static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl); + +public: + virtual ~SharedSurface_Gralloc(); + + virtual void Fence() MOZ_OVERRIDE; + virtual bool WaitSync() MOZ_OVERRIDE; + + virtual void LockProdImpl() MOZ_OVERRIDE {} + virtual void UnlockProdImpl() MOZ_OVERRIDE {} + + virtual GLuint ProdTexture() MOZ_OVERRIDE { + return mProdTex; + } + + layers::TextureClient* GetTextureClient() { + return mTextureClient; + } +}; + +class SurfaceFactory_Gralloc + : public SurfaceFactory_GL +{ +protected: + RefPtr mAllocator; + +public: + SurfaceFactory_Gralloc(GLContext* prodGL, + const SurfaceCaps& caps, + layers::ISurfaceAllocator* allocator = nullptr); + + virtual SharedSurface* CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE { + bool hasAlpha = mReadCaps.alpha; + if (!mAllocator) { + return nullptr; + } + return SharedSurface_Gralloc::Create(mGL, mFormats, size, hasAlpha, mAllocator); + } +}; + +} /* namespace gl */ +} /* namespace mozilla */ + +#endif /* SHARED_SURFACE_GRALLOC_H_ */