RenderAndroidImageReaderImageTextureHost.h

Enable keyboard shortcuts

/* 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_RenderAndroidImageReaderImageTextureHost_H

#define MOZILLA_GFX_RenderAndroidImageReaderImageTextureHost_H

#include "GLContextTypes.h"

#include "GLTypes.h"

#include "RenderTextureHostSWGL.h"

namespace mozilla {

namespace layers {

class AndroidImageConsumer;

class AndroidHardwareBuffer;

}  // namespace layers

namespace wr {

class RenderAndroidImageReaderImageTextureHost final

    : public RenderTextureHostSWGL {

 public:

  explicit RenderAndroidImageReaderImageTextureHost(

      const layers::GpuProcessAndroidImageReaderId aImageReaderId,

      const layers::AndroidMediaCodecFrameId aFrameId, const gfx::IntSize aSize,

      const gfx::SurfaceFormat aFormat);

  wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;

  void Unlock() override;

  size_t Bytes() override;

  RenderAndroidImageReaderImageTextureHost*

  AsRenderAndroidImageReaderImageTextureHost() override {

    return this;

  RefPtr<layers::TextureSource> CreateTextureSource(

      layers::TextureSourceProvider* aProvider) override;

  // RenderTextureHostSWGL

  gfx::SurfaceFormat GetFormat() const override;

  gfx::ColorDepth GetColorDepth() const override {

    return gfx::ColorDepth::COLOR_8;

  size_t GetPlaneCount() const override { return 1; }

  bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,

                PlaneInfo& aPlaneInfo) override;

  void UnmapPlanes() override;

  gfx::IntSize GetSize() const;

  const layers::GpuProcessAndroidImageReaderId mImageReaderId;

  const layers::AndroidMediaCodecFrameId mFrameId;

  const gfx::IntSize mSize;

  const gfx::SurfaceFormat mFormat;

 private:

  virtual ~RenderAndroidImageReaderImageTextureHost();

  bool EnsureLockable();

  already_AddRefed<gfx::DataSourceSurface> ReadTexImage();

  RefPtr<gl::GLContext> mGL;

  RefPtr<layers::AndroidImageConsumer> mAndroidImageConsumer;

  RefPtr<gfx::DataSourceSurface> mReadback;

};

}  // namespace wr

}  // namespace mozilla

#endif  // MOZILLA_GFX_RenderAndroidImageReaderImageTextureHost_H