Improve GL shader YUV adjustment.

cc/quads/yuv_video_draw_quad.cc

 // Copyright 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 "cc/quads/yuv_video_draw_quad.h"
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
@@ skipping 14 matching lines @@
                               const gfx::RectF& ya_tex_coord_rect,
                               const gfx::RectF& uv_tex_coord_rect,
                               const gfx::Size& ya_tex_size,
                               const gfx::Size& uv_tex_size,
                               unsigned y_plane_resource_id,
                               unsigned u_plane_resource_id,
                               unsigned v_plane_resource_id,
                               unsigned a_plane_resource_id,
                               ColorSpace color_space,
                               float offset,
-                              float multiplier) {
+                              float multiplier,
+                              uint32_t bits_per_channel) {
   bool needs_blending = false;
   DrawQuad::SetAll(shared_quad_state, DrawQuad::YUV_VIDEO_CONTENT, rect,
                    opaque_rect, visible_rect, needs_blending);
   this->ya_tex_coord_rect = ya_tex_coord_rect;
   this->uv_tex_coord_rect = uv_tex_coord_rect;
   this->ya_tex_size = ya_tex_size;
   this->uv_tex_size = uv_tex_size;
   resources.ids[kYPlaneResourceIdIndex] = y_plane_resource_id;
   resources.ids[kUPlaneResourceIdIndex] = u_plane_resource_id;
   resources.ids[kVPlaneResourceIdIndex] = v_plane_resource_id;
   resources.ids[kAPlaneResourceIdIndex] = a_plane_resource_id;
   resources.count = a_plane_resource_id ? 4 : 3;
   this->color_space = color_space;
   this->resource_offset = offset;
   this->resource_multiplier = multiplier;
+  this->bits_per_channel = bits_per_channel;
 }
 
 void YUVVideoDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
                               const gfx::Rect& rect,
                               const gfx::Rect& opaque_rect,
                               const gfx::Rect& visible_rect,
                               bool needs_blending,
                               const gfx::RectF& ya_tex_coord_rect,
                               const gfx::RectF& uv_tex_coord_rect,
                               const gfx::Size& ya_tex_size,
                               const gfx::Size& uv_tex_size,
                               unsigned y_plane_resource_id,
                               unsigned u_plane_resource_id,
                               unsigned v_plane_resource_id,
                               unsigned a_plane_resource_id,
                               ColorSpace color_space,
                               float offset,
-                              float multiplier) {
+                              float multiplier,
+                              uint32_t bits_per_channel) {
   DrawQuad::SetAll(shared_quad_state, DrawQuad::YUV_VIDEO_CONTENT, rect,
                    opaque_rect, visible_rect, needs_blending);
   this->ya_tex_coord_rect = ya_tex_coord_rect;
   this->uv_tex_coord_rect = uv_tex_coord_rect;
   this->ya_tex_size = ya_tex_size;
   this->uv_tex_size = uv_tex_size;
   resources.ids[kYPlaneResourceIdIndex] = y_plane_resource_id;
   resources.ids[kUPlaneResourceIdIndex] = u_plane_resource_id;
   resources.ids[kVPlaneResourceIdIndex] = v_plane_resource_id;
   resources.ids[kAPlaneResourceIdIndex] = a_plane_resource_id;
   resources.count = resources.ids[kAPlaneResourceIdIndex] ? 4 : 3;
   this->color_space = color_space;
   this->resource_offset = offset;
   this->resource_multiplier = multiplier;
+  this->bits_per_channel = bits_per_channel;
 }
 
 const YUVVideoDrawQuad* YUVVideoDrawQuad::MaterialCast(
     const DrawQuad* quad) {
   DCHECK(quad->material == DrawQuad::YUV_VIDEO_CONTENT);
   return static_cast<const YUVVideoDrawQuad*>(quad);
 }
 
 void YUVVideoDrawQuad::ExtendValue(
     base::trace_event::TracedValue* value) const {
   MathUtil::AddToTracedValue("ya_tex_coord_rect", ya_tex_coord_rect, value);
   MathUtil::AddToTracedValue("uv_tex_coord_rect", uv_tex_coord_rect, value);
   MathUtil::AddToTracedValue("ya_tex_size", ya_tex_size, value);
   MathUtil::AddToTracedValue("uv_tex_size", uv_tex_size, value);
   value->SetInteger("y_plane_resource_id",
                     resources.ids[kYPlaneResourceIdIndex]);
   value->SetInteger("u_plane_resource_id",
                     resources.ids[kUPlaneResourceIdIndex]);
   value->SetInteger("v_plane_resource_id",
                     resources.ids[kVPlaneResourceIdIndex]);
   value->SetInteger("a_plane_resource_id",
                     resources.ids[kAPlaneResourceIdIndex]);
 }
 
 }  // namespace cc