MacIOSurfaceTextureHostOGL.h

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/* -*- 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_MACIOSURFACETEXTUREHOSTOGL_H

#define MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H

#include "MacIOSurfaceHelpers.h"

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

#include "mozilla/layers/CompositorOGL.h"

#include "mozilla/layers/TextureHostOGL.h"

class MacIOSurface;

namespace mozilla {

namespace layers {

/**

 * A TextureHost for shared MacIOSurface

 * Most of the logic actually happens in MacIOSurfaceTextureSourceOGL.

*/

class MacIOSurfaceTextureHostOGL : public TextureHost {

 public:

  MacIOSurfaceTextureHostOGL(TextureFlags aFlags,

                             const SurfaceDescriptorMacIOSurface& aDescriptor);

  virtual ~MacIOSurfaceTextureHostOGL();

  // MacIOSurfaceTextureSourceOGL doesn't own any GL texture

  void DeallocateDeviceData() override {}

  gfx::SurfaceFormat GetFormat() const override;

  gfx::SurfaceFormat GetReadFormat() const override;

  already_AddRefed<gfx::DataSourceSurface> GetAsSurface(

      gfx::DataSourceSurface* aSurface) override {

    RefPtr<gfx::SourceSurface> surf =

        CreateSourceSurfaceFromMacIOSurface(GetMacIOSurface(), aSurface);

    return surf->GetDataSurface();

  gl::GLContext* gl() const;

  gfx::IntSize GetSize() const override;

#ifdef MOZ_LAYERS_HAVE_LOG

  const char* Name() override { return "MacIOSurfaceTextureHostOGL"; }

#endif

  MacIOSurfaceTextureHostOGL* AsMacIOSurfaceTextureHost() override {

    return this;

  MacIOSurface* GetMacIOSurface() override { return mSurface; }

  void CreateRenderTexture(

      const wr::ExternalImageId& aExternalImageId) override;

  uint32_t NumSubTextures() override;

  void PushResourceUpdates(wr::TransactionBuilder& aResources,

                           ResourceUpdateOp aOp,

                           const Range<wr::ImageKey>& aImageKeys,

                           const wr::ExternalImageId& aExtID) override;

  void PushDisplayItems(wr::DisplayListBuilder& aBuilder,

                        const wr::LayoutRect& aBounds,

                        const wr::LayoutRect& aClip, wr::ImageRendering aFilter,

                        const Range<wr::ImageKey>& aImageKeys,

                        PushDisplayItemFlagSet aFlags) override;

  gfx::YUVColorSpace GetYUVColorSpace() const override;

  gfx::ColorRange GetColorRange() const override;

 protected:

  RefPtr<GLTextureSource> mTextureSource;

  RefPtr<MacIOSurface> mSurface;

};

}  // namespace layers

}  // namespace mozilla

#endif  // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H