зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.6 KiB
C++
81 строка
2.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
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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_DMABUF_H_
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#define SHARED_SURFACE_DMABUF_H_
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#include "SharedSurface.h"
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#include "mozilla/widget/WaylandDMABufSurface.h"
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namespace mozilla {
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namespace gl {
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class GLContext;
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class GLLibraryEGL;
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class SharedSurface_DMABUF final : public SharedSurface {
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public:
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static UniquePtr<SharedSurface_DMABUF> 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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static SharedSurface_DMABUF* Cast(SharedSurface* surf) {
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MOZ_ASSERT(surf->mType == SharedSurfaceType::EGLSurfaceDMABUF);
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return (SharedSurface_DMABUF*)surf;
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}
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protected:
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RefPtr<WaylandDMABufSurface> mSurface;
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SharedSurface_DMABUF(GLContext* gl, const gfx::IntSize& size, bool hasAlpha,
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RefPtr<WaylandDMABufSurface> aSurface);
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void UpdateProdTexture(const MutexAutoLock& curAutoLock);
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public:
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virtual ~SharedSurface_DMABUF();
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// Exclusive Content/WebGL lock/unlock of surface for write
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virtual void LockProdImpl() override {}
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virtual void UnlockProdImpl() override {}
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// Non-exclusive Content/WebGL lock/unlock of surface for write
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virtual void ProducerAcquireImpl() override {}
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virtual void ProducerReleaseImpl() override;
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// Non-exclusive Content/WebGL lock/unlock for read from surface
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virtual void ProducerReadAcquireImpl() override {}
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virtual void ProducerReadReleaseImpl() override {}
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virtual GLuint ProdTexture() override { return mSurface->GetTexture(); }
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virtual bool ToSurfaceDescriptor(
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layers::SurfaceDescriptor* const out_descriptor) override;
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};
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class SurfaceFactory_DMABUF : public SurfaceFactory {
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public:
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SurfaceFactory_DMABUF(GLContext* prodGL, const SurfaceCaps& caps,
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const RefPtr<layers::LayersIPCChannel>& allocator,
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const layers::TextureFlags& flags)
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: SurfaceFactory(SharedSurfaceType::EGLSurfaceDMABUF, prodGL, caps,
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allocator, flags){};
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public:
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virtual UniquePtr<SharedSurface> CreateShared(
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const gfx::IntSize& size) override {
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bool hasAlpha = mReadCaps.alpha;
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return SharedSurface_DMABUF::Create(mGL, mFormats, size, hasAlpha);
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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_DMABUF_H_ */
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