Remove flip_y, premultiply_alpha, unmultiply_alpha support in command buffer.

media/blink/skcanvas_video_renderer.cc

   // Copyright (c) 2012 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/skcanvas_video_renderer.h"
 
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/common/mailbox_holder.h"
 #include "media/base/video_frame.h"
@@ skipping 619 matching lines @@
   DCHECK(mailbox_holder.texture_target == GL_TEXTURE_2D ||
          mailbox_holder.texture_target == GL_TEXTURE_RECTANGLE_ARB ||
          mailbox_holder.texture_target == GL_TEXTURE_EXTERNAL_OES);
 
   gl->WaitSyncPointCHROMIUM(mailbox_holder.sync_point);
   uint32 source_texture = gl->CreateAndConsumeTextureCHROMIUM(
       mailbox_holder.texture_target, mailbox_holder.mailbox.name);
 
   // The video is stored in a unmultiplied format, so premultiply
   // if necessary.
-  gl->PixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, premultiply_alpha);
   // Application itself needs to take care of setting the right |flip_y|
   // value down to get the expected result.
   // "flip_y == true" means to reverse the video orientation while
   // "flip_y == false" means to keep the intrinsic orientation.
-  gl->PixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, flip_y);
   gl->CopyTextureCHROMIUM(GL_TEXTURE_2D, source_texture, texture,
                           internal_format, type,
                           flip_y, premultiply_alpha, false);
-  gl->PixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, false);
-  gl->PixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, false);
 
   gl->DeleteTextures(1, &source_texture);
   gl->Flush();
 
   SyncPointClientImpl client(gl);
   video_frame->UpdateReleaseSyncPoint(&client);
 }
 
 void SkCanvasVideoRenderer::ResetLastFrame() {
   last_frame_.reset();
   last_frame_timestamp_ = media::kNoTimestamp();
 }
 
 void SkCanvasVideoRenderer::ResetAcceleratedLastFrame() {
   accelerated_last_image_.reset();
   accelerated_last_frame_.reset();
   accelerated_generator_ = nullptr;
   accelerated_last_frame_timestamp_ = media::kNoTimestamp();
 }
 
 }  // namespace media