cc: Move occlusion debug rects into the debug layer borders.

cc/layers/delegated_renderer_layer_impl.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/layers/delegated_renderer_layer_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 331 matching lines @@
     gfx::Rect left(0, y, border_width, height);
     gfx::Rect right(content_bounds().width() - border_width,
                     y,
                     border_width,
                     height);
 
     if (top.IsEmpty() && left.IsEmpty())
       break;
 
     if (!top.IsEmpty()) {
+      bool force_anti_aliasing_off = false;
       SolidColorDrawQuad* top_quad =
           render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
-      top_quad->SetNew(
-          shared_quad_state, top, top, colors[i % kNumColors], false);
+      top_quad->SetNew(shared_quad_state, top, top, colors[i % kNumColors],
+                       force_anti_aliasing_off);
 
       SolidColorDrawQuad* bottom_quad =
           render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
-      bottom_quad->SetNew(shared_quad_state,
-                          bottom,
-                          bottom,
+      bottom_quad->SetNew(shared_quad_state, bottom, bottom,
                           colors[kNumColors - 1 - (i % kNumColors)],
-                          false);
+                          force_anti_aliasing_off);
+
+      if (contents_opaque()) {
+        // Draws a stripe filling the layer vertically with the same color and
+        // width as the horizontal stipes along the layer's top border.
+        SolidColorDrawQuad* solid_quad =
+            render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
+        // The inner fill is more transparent then the border.
+        static const float kFillOpacity = 0.1f;
+        SkColor fill_color = SkColorSetA(
+            colors[i % kNumColors],
+            static_cast<uint8_t>(SkColorGetA(colors[i % kNumColors]) *
+                                 kFillOpacity));
+        gfx::Rect fill_rect(x, 0, width, content_bounds().height());
+        solid_quad->SetNew(shared_quad_state, fill_rect, fill_rect, fill_color,
+                           force_anti_aliasing_off);
+      }
     }
     if (!left.IsEmpty()) {
+      bool force_anti_aliasing_off = false;
       SolidColorDrawQuad* left_quad =
           render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
-      left_quad->SetNew(shared_quad_state,
-                        left,
-                        left,
+      left_quad->SetNew(shared_quad_state, left, left,
                         colors[kNumColors - 1 - (i % kNumColors)],
-                        false);
+                        force_anti_aliasing_off);
 
       SolidColorDrawQuad* right_quad =
           render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
-      right_quad->SetNew(
-          shared_quad_state, right, right, colors[i % kNumColors], false);
+      right_quad->SetNew(shared_quad_state, right, right,
+                         colors[i % kNumColors], force_anti_aliasing_off);
     }
   }
 }
 
 void DelegatedRendererLayerImpl::AppendRenderPassQuads(
     RenderPass* render_pass,
     const Occlusion& occlusion_in_content_space,
     const RenderPass* delegated_render_pass,
     const gfx::Size& frame_size) const {
   const SharedQuadState* delegated_shared_quad_state = nullptr;
@@ skipping 99 matching lines @@
   if (own_child_id_) {
     ResourceProvider* provider = layer_tree_impl()->resource_provider();
     provider->DestroyChild(child_id_);
   }
 
   resources_.clear();
   child_id_ = 0;
 }
 
 }  // namespace cc