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