/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
/* 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_SURFACEIO_H_
#define SHARED_SURFACEIO_H_
#include "mozilla/RefPtr.h"
#include "SharedSurface.h"
class MacIOSurface;
namespace mozilla {
namespace gl {
class Texture;
class SharedSurface_IOSurface final :
public SharedSurface {
public:
const UniquePtr<Texture> mTex;
const RefPtr<MacIOSurface> mIOSurf;
static UniquePtr<SharedSurface_IOSurface> Create(
const SharedSurfaceDesc&);
private:
SharedSurface_IOSurface(
const SharedSurfaceDesc&, UniquePtr<MozFramebuffer>,
UniquePtr<Texture>,
const RefPtr<MacIOSurface>&);
public:
~SharedSurface_IOSurface();
virtual void LockProdImpl() override {}
virtual void UnlockProdImpl() override {}
virtual void ProducerAcquireImpl() override {}
virtual void ProducerReleaseImpl() override;
virtual bool NeedsIndirectReads()
const override {
return true; }
Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
};
class SurfaceFactory_IOSurface :
public SurfaceFactory {
public:
const gfx::IntSize mMaxDims;
explicit SurfaceFactory_IOSurface(GLContext& gl);
bool SupportsCspaces()
const override {
return true; }
virtual UniquePtr<SharedSurface> CreateSharedImpl(
const SharedSurfaceDesc& desc) override {
if (desc.size.width > mMaxDims.width ||
desc.size.height > mMaxDims.height) {
return nullptr;
}
return SharedSurface_IOSurface::Create(desc);
}
};
}
// namespace gl
}
/* namespace mozilla */
#endif /* SHARED_SURFACEIO_H_ */
