gecko-dev/gfx/gl/SharedSurfaceGLX.h

/* -*- 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_SURFACE_GLX_H_
#define SHARED_SURFACE_GLX_H_

#include "SharedSurface.h"
#include "mozilla/RefPtr.h"

class gfxXlibSurface;

namespace mozilla {
namespace gl {

class SharedSurface_GLXDrawable : public SharedSurface {
 public:
  static UniquePtr<SharedSurface_GLXDrawable> Create(GLContext* prodGL,
                                                     const SurfaceCaps& caps,
                                                     const gfx::IntSize& size,
                                                     bool deallocateClient,
                                                     bool inSameProcess);

  virtual void ProducerAcquireImpl() override {}
  virtual void ProducerReleaseImpl() override;

  virtual void LockProdImpl() override;
  virtual void UnlockProdImpl() override;

  virtual bool ToSurfaceDescriptor(
      layers::SurfaceDescriptor* const out_descriptor) override;

  virtual bool ReadbackBySharedHandle(
      gfx::DataSourceSurface* out_surface) override;

 private:
  SharedSurface_GLXDrawable(GLContext* gl, const gfx::IntSize& size,
                            bool inSameProcess,
                            const RefPtr<gfxXlibSurface>& xlibSurface);

  RefPtr<gfxXlibSurface> mXlibSurface;
  bool mInSameProcess;
};

class SurfaceFactory_GLXDrawable : public SurfaceFactory {
 public:
  static UniquePtr<SurfaceFactory_GLXDrawable> Create(
      GLContext* prodGL, const SurfaceCaps& caps,
      const RefPtr<layers::LayersIPCChannel>& allocator,
      const layers::TextureFlags& flags);

  virtual UniquePtr<SharedSurface> CreateShared(
      const gfx::IntSize& size) override;

 private:
  SurfaceFactory_GLXDrawable(GLContext* prodGL, const SurfaceCaps& caps,
                             const RefPtr<layers::LayersIPCChannel>& allocator,
                             const layers::TextureFlags& flags)
      : SurfaceFactory(SharedSurfaceType::GLXDrawable, prodGL, caps, allocator,
                       flags) {}
};

}  // namespace gl
}  // namespace mozilla

#endif  // SHARED_SURFACE_GLX_H_