MemoryObject.h - mozsearch

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//

// Copyright 2019 The ANGLE Project Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

//

// MemoryObject.h: Defines the gl::MemoryObject class [EXT_external_objects]

#ifndef LIBANGLE_MEMORYOBJECT_H_

#define LIBANGLE_MEMORYOBJECT_H_

#include "angle_gl.h"

#include "common/PackedEnums.h"

#include "common/angleutils.h"

#include "libANGLE/Error.h"

#include "libANGLE/RefCountObject.h"

namespace rx

class GLImplFactory;

class MemoryObjectImpl;

}  // namespace rx

namespace gl

class Context;

class MemoryObject final : public RefCountObject<MemoryObjectID>

  public:

    MemoryObject(rx::GLImplFactory *factory, MemoryObjectID id);

    ~MemoryObject() override;

    void onDestroy(const Context *context) override;

    rx::MemoryObjectImpl *getImplementation() const { return mImplementation.get(); }

    bool isImmutable() const { return mImmutable; }

    angle::Result setDedicatedMemory(const Context *context, bool dedicatedMemory);

    bool isDedicatedMemory() const { return mDedicatedMemory; }

    angle::Result setProtectedMemory(const Context *context, bool protectedMemory);

    bool isProtectedMemory() const { return mProtectedMemory; }

    angle::Result importFd(Context *context, GLuint64 size, HandleType handleType, GLint fd);

    angle::Result importZirconHandle(Context *context,

                                     GLuint64 size,

                                     HandleType handleType,

                                     GLuint handle);

  private:

    std::unique_ptr<rx::MemoryObjectImpl> mImplementation;

    bool mImmutable;

    bool mDedicatedMemory;

    bool mProtectedMemory;

};

}  // namespace gl

#endif  // LIBANGLE_MEMORYOBJECT_H_