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https://gitlab.winehq.org/wine/wine-gecko.git
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8f849d9d65
Backed out changeset 65ad9d8860d6 (bug 877115) Backed out changeset bf8095c168fb (bug 877115) Backed out changeset 290ad5863615 (bug 877115) Backed out changeset 4488ec28910e (bug 877115) Backed out changeset 45f8859c6fd6 (bug 877115) Backed out changeset 111cc426fa9e (bug 877115)
116 lines
3.6 KiB
C++
116 lines
3.6 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 "SharedSurfaceGL.h"
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#include "mozilla/layers/LayersSurfaces.h"
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#include "mozilla/layers/ISurfaceAllocator.h"
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namespace mozilla {
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namespace layers {
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class ISurfaceAllocator;
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class SurfaceDescriptorGralloc;
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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_GL
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{
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public:
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static SharedSurface_Gralloc* Create(GLContext* prodGL,
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const GLFormats& formats,
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const gfxIntSize& size,
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bool hasAlpha,
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layers::ISurfaceAllocator* allocator);
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static SharedSurface_Gralloc* Cast(SharedSurface* surf) {
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MOZ_ASSERT(surf->Type() == 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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RefPtr<layers::ISurfaceAllocator> mAllocator;
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// We keep the SurfaceDescriptor around, because we'll end up
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// using it often and it's handy to do so. The actual
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// GraphicBuffer is kept alive by the sp<GraphicBuffer> in
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// GrallocBufferActor; the actor will stay alive until we
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// explicitly destroy this descriptor (and thus deallocate the
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// actor) it in the destructor of this class. This is okay to do
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// on the client, but is very bad to do on the server (because on
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// the client, the actor has no chance of going away unless the
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// whole app died).
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layers::SurfaceDescriptorGralloc mDesc;
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const GLuint mProdTex;
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SharedSurface_Gralloc(GLContext* prodGL,
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const gfxIntSize& 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::SurfaceDescriptorGralloc& desc,
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GLuint prodTex)
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: SharedSurface_GL(SharedSurfaceType::Gralloc,
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AttachmentType::GLTexture,
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prodGL,
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size,
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hasAlpha)
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, mEGL(egl)
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, mAllocator(allocator)
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, mDesc(desc)
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, mProdTex(prodTex)
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{}
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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();
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virtual bool WaitSync();
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virtual void LockProdImpl();
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virtual void UnlockProdImpl();
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virtual GLuint Texture() const {
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return mProdTex;
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}
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layers::SurfaceDescriptorGralloc& GetDescriptor() {
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return mDesc;
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}
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};
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class SurfaceFactory_Gralloc
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: public SurfaceFactory_GL
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{
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protected:
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RefPtr<layers::ISurfaceAllocator> mAllocator;
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public:
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SurfaceFactory_Gralloc(GLContext* prodGL,
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const SurfaceCaps& caps,
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layers::ISurfaceAllocator* allocator = nullptr);
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virtual SharedSurface* CreateShared(const gfxIntSize& size) {
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bool hasAlpha = mReadCaps.alpha;
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if (!mAllocator) {
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return nullptr;
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}
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return SharedSurface_Gralloc::Create(mGL, mFormats, size, hasAlpha, mAllocator);
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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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