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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_EGL_H_
#define SHARED_SURFACE_EGL_H_
#include "mozilla/Attributes.h"
#include "mozilla/Mutex.h"
#include "SharedSurface.h"
namespace mozilla {
namespace gl {
class GLContext;
class GLLibraryEGL;
class TextureGarbageBin;
class SharedSurface_EGLImage
: public SharedSurface
{
public:
static UniquePtr<SharedSurface_EGLImage> Create(GLContext* prodGL,
const GLFormats& formats,
const gfx::IntSize& size,
bool hasAlpha,
EGLContext context);
static SharedSurface_EGLImage* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->mType == SharedSurfaceType::EGLImageShare);
return (SharedSurface_EGLImage*)surf;
}
static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
protected:
mutable Mutex mMutex;
GLLibraryEGL* const mEGL;
const GLFormats mFormats;
GLuint mProdTex;
public:
const EGLImage mImage;
protected:
EGLSync mSync;
SharedSurface_EGLImage(GLContext* gl,
GLLibraryEGL* egl,
const gfx::IntSize& size,
bool hasAlpha,
const GLFormats& formats,
GLuint prodTex,
EGLImage image);
EGLDisplay Display() const;
void UpdateProdTexture(const MutexAutoLock& curAutoLock);
public:
virtual ~SharedSurface_EGLImage();
virtual layers::TextureFlags GetTextureFlags() const override;
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 GLuint ProdTexture() override {
return mProdTex;
}
// Implementation-specific functions below:
// Returns texture and target
virtual bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
virtual bool ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface) override;
};
class SurfaceFactory_EGLImage
: public SurfaceFactory
{
public:
// Fallible:
static UniquePtr<SurfaceFactory_EGLImage> Create(GLContext* prodGL,
const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags);
protected:
const EGLContext mContext;
SurfaceFactory_EGLImage(GLContext* prodGL, const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags,
EGLContext context)
: SurfaceFactory(SharedSurfaceType::EGLImageShare, prodGL, caps, allocator, flags)
, mContext(context)
{ }
public:
virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override {
bool hasAlpha = mReadCaps.alpha;
return SharedSurface_EGLImage::Create(mGL, mFormats, size, hasAlpha, mContext);
}
};
} // namespace gl
} /* namespace mozilla */
#endif /* SHARED_SURFACE_EGL_H_ */
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