Reland of Revert of gpu: introduce glCopySubTextureCHROMIUM (patchset #1 id:1 of https://codereview…

media/blink/webmediaplayer_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/blink/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 #include <vector>
@@ skipping 582 matching lines @@
 }
 
 bool WebMediaPlayerImpl::copyVideoTextureToPlatformTexture(
     blink::WebGraphicsContext3D* web_graphics_context,
     unsigned int texture,
     unsigned int level,
     unsigned int internal_format,
     unsigned int type,
     bool premultiply_alpha,
     bool flip_y) {
+  return copyVideoTextureToPlatformTexture(web_graphics_context, texture,
+                                           internal_format, type,
+                                           premultiply_alpha, flip_y);
+}
+
+bool WebMediaPlayerImpl::copyVideoTextureToPlatformTexture(
+    blink::WebGraphicsContext3D* web_graphics_context,
+    unsigned int texture,
+    unsigned int internal_format,
+    unsigned int type,
+    bool premultiply_alpha,
+    bool flip_y) {
   TRACE_EVENT0("media", "WebMediaPlayerImpl:copyVideoTextureToPlatformTexture");
 
   scoped_refptr<VideoFrame> video_frame =
       GetCurrentFrameFromCompositor();
 
   if (!video_frame.get() ||
       video_frame->format() != VideoFrame::NATIVE_TEXTURE) {
     return false;
   }
 
   // TODO(dshwang): need more elegant way to convert WebGraphicsContext3D to
   // GLES2Interface.
   gpu::gles2::GLES2Interface* gl =
       static_cast<gpu_blink::WebGraphicsContext3DImpl*>(web_graphics_context)
           ->GetGLInterface();
   SkCanvasVideoRenderer::CopyVideoFrameTextureToGLTexture(
-      gl, video_frame.get(), texture, level, internal_format, type,
-      premultiply_alpha, flip_y);
+      gl, video_frame.get(), texture, internal_format, type, premultiply_alpha,
+      flip_y);
   return true;
 }
 
 WebMediaPlayer::MediaKeyException
 WebMediaPlayerImpl::generateKeyRequest(const WebString& key_system,
                                        const unsigned char* init_data,
                                        unsigned init_data_length) {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
   return encrypted_media_support_.GenerateKeyRequest(
@@ skipping 392 matching lines @@
 
   // pause() may be called after playback has ended and the HTMLMediaElement
   // requires that currentTime() == duration() after ending.  We want to ensure
   // |paused_time_| matches currentTime() in this case or a future seek() may
   // incorrectly discard what it thinks is a seek to the existing time.
   paused_time_ =
       ended_ ? pipeline_.GetMediaDuration() : pipeline_.GetMediaTime();
 }
 
 }  // namespace media