text: /*
   * Copyright (C) 2009 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef WebGLTexture_h
  #define WebGLTexture_h
  
  #include "modules/webgl/WebGLSharedPlatform3DObject.h"
  #include "public/platform/WebMediaPlayer.h"
  
  namespace blink {
  
  class WebGLTexture final : public WebGLSharedPlatform3DObject {
    DEFINE_WRAPPERTYPEINFO();
  
   public:
    ~WebGLTexture() override;
  
    static WebGLTexture* Create(WebGLRenderingContextBase*);
  
    void SetTarget(GLenum);
  
    GLenum GetTarget() const { return target_; }
  
    bool HasEverBeenBound() const { return Object() && target_; }
  
    static GLint ComputeLevelCount(GLsizei width, GLsizei height, GLsizei depth);
  
    int GetLastUploadedVideoFrameId() const {
      return last_uploaded_video_frame_metadata_.frame_id;
    }
  
    void UpdateLastUploadedFrame(
        blink::WebMediaPlayer::VideoFrameUploadMetadata frame_metadata) {
      last_uploaded_video_frame_metadata_ = frame_metadata;
    }
  
    void ClearLastUploadedFrame() { last_uploaded_video_frame_metadata_ = {}; }
  
    unsigned lastUploadedVideoWidth() const {
      return last_uploaded_video_frame_metadata_.visible_rect.width();
    }
    unsigned lastUploadedVideoHeight() const {
      return last_uploaded_video_frame_metadata_.visible_rect.height();
    }
    double lastUploadedVideoTimestamp() const {
      return last_uploaded_video_frame_metadata_.timestamp.InSecondsF();
    }
    bool lastUploadedVideoFrameWasSkipped() const {
      return last_uploaded_video_frame_metadata_.skipped;
    }
  
   private:
    explicit WebGLTexture(WebGLRenderingContextBase*);
  
    void DeleteObjectImpl(gpu::gles2::GLES2Interface*) override;
  
    bool IsTexture() const override { return true; }
  
    int MapTargetToIndex(GLenum) const;
  
    GLenum target_;
  
    blink::WebMediaPlayer::VideoFrameUploadMetadata
        last_uploaded_video_frame_metadata_ = {};
  };
  
  }  // namespace blink
  
  #endif  // WebGLTexture_h
  