1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/gl/SharedSurfaceGralloc.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,106 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef SHARED_SURFACE_GRALLOC_H_
1.10 +#define SHARED_SURFACE_GRALLOC_H_
1.11 +
1.12 +#include "SharedSurfaceGL.h"
1.13 +#include "mozilla/layers/ISurfaceAllocator.h"
1.14 +#include "mozilla/layers/LayersSurfaces.h"
1.15 +#include "mozilla/layers/TextureClient.h"
1.16 +
1.17 +namespace mozilla {
1.18 +namespace layers {
1.19 +class ISurfaceAllocator;
1.20 +}
1.21 +
1.22 +namespace gl {
1.23 +class GLContext;
1.24 +class GLLibraryEGL;
1.25 +
1.26 +class SharedSurface_Gralloc
1.27 + : public SharedSurface_GL
1.28 +{
1.29 +public:
1.30 + static SharedSurface_Gralloc* Create(GLContext* prodGL,
1.31 + const GLFormats& formats,
1.32 + const gfx::IntSize& size,
1.33 + bool hasAlpha,
1.34 + layers::ISurfaceAllocator* allocator);
1.35 +
1.36 + static SharedSurface_Gralloc* Cast(SharedSurface* surf) {
1.37 + MOZ_ASSERT(surf->Type() == SharedSurfaceType::Gralloc);
1.38 +
1.39 + return (SharedSurface_Gralloc*)surf;
1.40 + }
1.41 +
1.42 +protected:
1.43 + GLLibraryEGL* const mEGL;
1.44 + RefPtr<layers::ISurfaceAllocator> mAllocator;
1.45 + RefPtr<layers::TextureClient> mTextureClient;
1.46 + const GLuint mProdTex;
1.47 +
1.48 + SharedSurface_Gralloc(GLContext* prodGL,
1.49 + const gfx::IntSize& size,
1.50 + bool hasAlpha,
1.51 + GLLibraryEGL* egl,
1.52 + layers::ISurfaceAllocator* allocator,
1.53 + layers::TextureClient* textureClient,
1.54 + GLuint prodTex)
1.55 + : SharedSurface_GL(SharedSurfaceType::Gralloc,
1.56 + AttachmentType::GLTexture,
1.57 + prodGL,
1.58 + size,
1.59 + hasAlpha)
1.60 + , mEGL(egl)
1.61 + , mAllocator(allocator)
1.62 + , mTextureClient(textureClient)
1.63 + , mProdTex(prodTex)
1.64 + {}
1.65 +
1.66 + static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
1.67 +
1.68 +public:
1.69 + virtual ~SharedSurface_Gralloc();
1.70 +
1.71 + virtual void Fence() MOZ_OVERRIDE;
1.72 + virtual bool WaitSync() MOZ_OVERRIDE;
1.73 +
1.74 + virtual void LockProdImpl() MOZ_OVERRIDE {}
1.75 + virtual void UnlockProdImpl() MOZ_OVERRIDE {}
1.76 +
1.77 + virtual GLuint ProdTexture() MOZ_OVERRIDE {
1.78 + return mProdTex;
1.79 + }
1.80 +
1.81 + layers::TextureClient* GetTextureClient() {
1.82 + return mTextureClient;
1.83 + }
1.84 +};
1.85 +
1.86 +class SurfaceFactory_Gralloc
1.87 + : public SurfaceFactory_GL
1.88 +{
1.89 +protected:
1.90 + RefPtr<layers::ISurfaceAllocator> mAllocator;
1.91 +
1.92 +public:
1.93 + SurfaceFactory_Gralloc(GLContext* prodGL,
1.94 + const SurfaceCaps& caps,
1.95 + layers::ISurfaceAllocator* allocator = nullptr);
1.96 +
1.97 + virtual SharedSurface* CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE {
1.98 + bool hasAlpha = mReadCaps.alpha;
1.99 + if (!mAllocator) {
1.100 + return nullptr;
1.101 + }
1.102 + return SharedSurface_Gralloc::Create(mGL, mFormats, size, hasAlpha, mAllocator);
1.103 + }
1.104 +};
1.105 +
1.106 +} /* namespace gl */
1.107 +} /* namespace mozilla */
1.108 +
1.109 +#endif /* SHARED_SURFACE_GRALLOC_H_ */
