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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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gfx/gl/SharedSurfaceANGLE.h Normal file
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/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef SHARED_SURFACE_ANGLE_H_
#define SHARED_SURFACE_ANGLE_H_
#include <windows.h>
#include "SharedSurface.h"
struct IDXGIKeyedMutex;
struct ID3D11Texture2D;
namespace mozilla {
namespace gl {
class GLContext;
class GLLibraryEGL;
class SharedSurface_ANGLEShareHandle
: public SharedSurface
{
public:
static UniquePtr<SharedSurface_ANGLEShareHandle> Create(GLContext* gl,
EGLConfig config,
const gfx::IntSize& size,
bool hasAlpha);
static SharedSurface_ANGLEShareHandle* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->mType == SharedSurfaceType::EGLSurfaceANGLE);
return (SharedSurface_ANGLEShareHandle*)surf;
}
protected:
GLLibraryEGL* const mEGL;
const EGLSurface mPBuffer;
public:
const HANDLE mShareHandle;
protected:
RefPtr<IDXGIKeyedMutex> mKeyedMutex;
SharedSurface_ANGLEShareHandle(GLContext* gl,
GLLibraryEGL* egl,
const gfx::IntSize& size,
bool hasAlpha,
EGLSurface pbuffer,
HANDLE shareHandle,
const RefPtr<IDXGIKeyedMutex>& keyedMutex);
EGLDisplay Display();
public:
virtual ~SharedSurface_ANGLEShareHandle();
virtual void LockProdImpl() override;
virtual void UnlockProdImpl() override;
virtual void ProducerAcquireImpl() override;
virtual void ProducerReleaseImpl() override;
virtual void ProducerReadAcquireImpl() override;
virtual void ProducerReadReleaseImpl() override;
virtual bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
virtual bool ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface) override;
};
class SurfaceFactory_ANGLEShareHandle
: public SurfaceFactory
{
protected:
GLContext* const mProdGL;
GLLibraryEGL* const mEGL;
const EGLConfig mConfig;
public:
static UniquePtr<SurfaceFactory_ANGLEShareHandle> Create(GLContext* gl,
const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags);
protected:
SurfaceFactory_ANGLEShareHandle(GLContext* gl, const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags, GLLibraryEGL* egl,
EGLConfig config);
virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override {
bool hasAlpha = mReadCaps.alpha;
return SharedSurface_ANGLEShareHandle::Create(mProdGL, mConfig, size, hasAlpha);
}
};
} /* namespace gfx */
} /* namespace mozilla */
#endif /* SHARED_SURFACE_ANGLE_H_ */