/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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 MOZILLA_GFX_X11TEXTURESOURCEOGL__H

#define MOZILLA_GFX_X11TEXTURESOURCEOGL__H

#ifdef MOZ_X11

#include "mozilla/layers/CompositorOGL.h"

#include "mozilla/layers/TextureHostOGL.h"

#include "mozilla/layers/X11TextureHost.h"

#include "mozilla/gfx/2D.h"

namespace mozilla {

namespace layers {

// TextureSource for Xlib-backed surfaces.

class X11TextureSourceOGL

  : public TextureSourceOGL

  , public X11TextureSource

{

public:

  X11TextureSourceOGL(CompositorOGL* aCompositor, gfxXlibSurface* aSurface);

  ~X11TextureSourceOGL();

  virtual X11TextureSourceOGL* AsSourceOGL() override { return this; }

  virtual bool IsValid() const override { return !!gl(); } ;

  virtual void BindTexture(GLenum aTextureUnit, gfx::SamplingFilter aSamplingFilter) override;

  virtual gfx::IntSize GetSize() const override;

  virtual GLenum GetTextureTarget() const override { return LOCAL_GL_TEXTURE_2D; }

  virtual gfx::SurfaceFormat GetFormat() const override;

  virtual GLenum GetWrapMode() const override { return LOCAL_GL_CLAMP_TO_EDGE; }

  virtual void DeallocateDeviceData() override;

  virtual void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;

  virtual void Updated() override { mUpdated = true; }

  gl::GLContext* gl() const {

    return mGL;

  }

  static gfx::SurfaceFormat ContentTypeToSurfaceFormat(gfxContentType aType);

protected:

  RefPtr<gl::GLContext> mGL;

  RefPtr<gfxXlibSurface> mSurface;

  RefPtr<gfx::SourceSurface> mSourceSurface;

  GLuint mTexture;

  bool mUpdated;

};

} // namespace layers

} // namespace mozilla

#endif

#endif // MOZILLA_GFX_X11TEXTURESOURCEOGL__H