Improve GL shader YUV adjustment.

cc/layers/video_layer_impl.cc

 // Copyright 2011 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 "cc/layers/video_layer_impl.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 104 matching lines @@
 
   if (external_resources.type ==
       VideoFrameExternalResources::SOFTWARE_RESOURCE) {
     software_resources_ = external_resources.software_resources;
     software_release_callback_ =
         external_resources.software_release_callback;
     return true;
   }
   frame_resource_offset_ = external_resources.offset;
   frame_resource_multiplier_ = external_resources.multiplier;
+  frame_bits_per_channel_ = external_resources.bits_per_channel;
 
   DCHECK_EQ(external_resources.mailboxes.size(),
             external_resources.release_callbacks.size());
   ResourceProvider::ResourceIdArray resource_ids;
   resource_ids.reserve(external_resources.mailboxes.size());
   for (size_t i = 0; i < external_resources.mailboxes.size(); ++i) {
     unsigned resource_id = resource_provider->CreateResourceFromTextureMailbox(
         external_resources.mailboxes[i],
         SingleReleaseCallbackImpl::Create(
             external_resources.release_callbacks[i]),
@@ skipping 141 matching lines @@
 
       YUVVideoDrawQuad* yuv_video_quad =
           render_pass->CreateAndAppendDrawQuad<YUVVideoDrawQuad>();
       yuv_video_quad->SetNew(
           shared_quad_state, quad_rect, opaque_rect, visible_quad_rect,
           ya_tex_coord_rect, uv_tex_coord_rect, ya_tex_size, uv_tex_size,
           frame_resources_[0].id, frame_resources_[1].id,
           frame_resources_.size() > 2 ? frame_resources_[2].id
                                       : frame_resources_[1].id,
           frame_resources_.size() > 3 ? frame_resources_[3].id : 0, color_space,
-          frame_resource_offset_, frame_resource_multiplier_);
+          frame_resource_offset_, frame_resource_multiplier_,
+          frame_bits_per_channel_);
       ValidateQuadResources(yuv_video_quad);
       break;
     }
     case VideoFrameExternalResources::RGBA_RESOURCE:
     case VideoFrameExternalResources::RGBA_PREMULTIPLIED_RESOURCE:
     case VideoFrameExternalResources::RGB_RESOURCE: {
       DCHECK_EQ(frame_resources_.size(), 1u);
       if (frame_resources_.size() < 1u)
         break;
       bool premultiplied_alpha =
@@ skipping 102 matching lines @@
 void VideoLayerImpl::SetNeedsRedraw() {
   SetUpdateRect(gfx::UnionRects(update_rect(), gfx::Rect(bounds())));
   layer_tree_impl()->SetNeedsRedraw();
 }
 
 const char* VideoLayerImpl::LayerTypeAsString() const {
   return "cc::VideoLayerImpl";
 }
 
 }  // namespace cc