106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef SHARED_SURFACE_GRALLOC_H_
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#define SHARED_SURFACE_GRALLOC_H_
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#include "mozilla/layers/CompositorTypes.h"
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#include "mozilla/layers/LayersSurfaces.h"
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#include "SharedSurface.h"
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namespace mozilla {
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namespace layers {
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class ISurfaceAllocator;
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class TextureClient;
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}
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namespace gl {
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class GLContext;
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class GLLibraryEGL;
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class SharedSurface_Gralloc
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: public SharedSurface
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{
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public:
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static UniquePtr<SharedSurface_Gralloc> Create(GLContext* prodGL,
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const GLFormats& formats,
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const gfx::IntSize& size,
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bool hasAlpha,
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layers::TextureFlags flags,
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layers::ISurfaceAllocator* allocator);
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static SharedSurface_Gralloc* Cast(SharedSurface* surf) {
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MOZ_ASSERT(surf->mType == SharedSurfaceType::Gralloc);
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return (SharedSurface_Gralloc*)surf;
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}
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protected:
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GLLibraryEGL* const mEGL;
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EGLSync mSync;
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RefPtr<layers::ISurfaceAllocator> mAllocator;
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RefPtr<layers::TextureClient> mTextureClient;
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const GLuint mProdTex;
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SharedSurface_Gralloc(GLContext* prodGL,
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const gfx::IntSize& size,
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bool hasAlpha,
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GLLibraryEGL* egl,
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layers::ISurfaceAllocator* allocator,
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layers::TextureClient* textureClient,
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GLuint prodTex);
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static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
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public:
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virtual ~SharedSurface_Gralloc();
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virtual void Fence() override;
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virtual bool WaitSync() override;
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virtual bool PollSync() override;
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virtual void WaitForBufferOwnership() override;
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virtual void LockProdImpl() override {}
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virtual void UnlockProdImpl() override {}
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virtual GLuint ProdTexture() override {
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return mProdTex;
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}
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layers::TextureClient* GetTextureClient() {
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return mTextureClient;
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}
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virtual bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
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virtual bool ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface) override;
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};
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class SurfaceFactory_Gralloc
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: public SurfaceFactory
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{
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public:
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SurfaceFactory_Gralloc(GLContext* prodGL, const SurfaceCaps& caps,
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const RefPtr<layers::ISurfaceAllocator>& allocator,
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const layers::TextureFlags& flags);
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virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override {
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bool hasAlpha = mReadCaps.alpha;
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UniquePtr<SharedSurface> ret;
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if (mAllocator) {
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ret = SharedSurface_Gralloc::Create(mGL, mFormats, size, hasAlpha,
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mFlags, mAllocator);
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}
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return Move(ret);
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}
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};
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} /* namespace gl */
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} /* namespace mozilla */
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#endif /* SHARED_SURFACE_GRALLOC_H_ */
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