Removed QuadSink and MockQuadCuller

cc/layers/picture_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/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/time/time.h"
 #include "cc/base/math_util.h"
 #include "cc/base/util.h"
 #include "cc/debug/debug_colors.h"
 #include "cc/debug/micro_benchmark_impl.h"
 #include "cc/debug/traced_value.h"
 #include "cc/layers/append_quads_data.h"
-#include "cc/layers/quad_sink.h"
 #include "cc/quads/checkerboard_draw_quad.h"
 #include "cc/quads/debug_border_draw_quad.h"
 #include "cc/quads/picture_draw_quad.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/tile_draw_quad.h"
 #include "cc/resources/tile_manager.h"
 #include "cc/trees/layer_tree_impl.h"
+#include "cc/trees/occlusion_tracker.h"
 #include "ui/gfx/quad_f.h"
 #include "ui/gfx/rect_conversions.h"
 #include "ui/gfx/size_conversions.h"
 
 namespace {
 const float kMaxScaleRatioDuringPinch = 2.0f;
 
 // When creating a new tiling during pinch, snap to an existing
 // tiling's scale if the desired scale is within this ratio.
 const float kSnapToExistingTilingRatio = 1.2f;
@@ skipping 94 matching lines @@
   // in case push properties is skipped.
   layer_impl->invalidation_.Swap(&invalidation_);
   invalidation_.Clear();
   needs_post_commit_initialization_ = true;
 
   // We always need to push properties.
   // See http://crbug.com/303943
   needs_push_properties_ = true;
 }
 
-void PictureLayerImpl::AppendQuads(QuadSink* quad_sink,
-                                   AppendQuadsData* append_quads_data) {
+void PictureLayerImpl::AppendQuads(
+    RenderPass* render_pass,
+    const OcclusionTracker<LayerImpl>& occlusion_tracker,
+    AppendQuadsData* append_quads_data) {
   DCHECK(!needs_post_commit_initialization_);
   gfx::Rect rect(visible_content_rect());
 
-  SharedQuadState* shared_quad_state = quad_sink->CreateSharedQuadState();
+  SharedQuadState* shared_quad_state =
+      render_pass->CreateAndAppendSharedQuadState();
   PopulateSharedQuadState(shared_quad_state);
 
   if (current_draw_mode_ == DRAW_MODE_RESOURCELESS_SOFTWARE) {
     AppendDebugBorderQuad(
-        quad_sink,
+        render_pass,
         shared_quad_state,
         append_quads_data,
         DebugColors::DirectPictureBorderColor(),
         DebugColors::DirectPictureBorderWidth(layer_tree_impl()));
 
     gfx::Rect geometry_rect = rect;
     gfx::Rect opaque_rect = contents_opaque() ? geometry_rect : gfx::Rect();
-    gfx::Rect visible_geometry_rect =
-        quad_sink->UnoccludedContentRect(this, geometry_rect, draw_transform());
+    gfx::Rect visible_geometry_rect = occlusion_tracker.UnoccludedContentRect(
+        this->render_target(), geometry_rect, draw_transform());
     if (visible_geometry_rect.IsEmpty())
       return;
 
     gfx::Size texture_size = rect.size();
     gfx::RectF texture_rect = gfx::RectF(texture_size);
     gfx::Rect quad_content_rect = rect;
     float contents_scale = contents_scale_x();
 
     scoped_ptr<PictureDrawQuad> quad = PictureDrawQuad::Create();
     quad->SetNew(shared_quad_state,
                  geometry_rect,
                  opaque_rect,
                  visible_geometry_rect,
                  texture_rect,
                  texture_size,
                  RGBA_8888,
                  quad_content_rect,
                  contents_scale,
                  pile_);
-    quad_sink->Append(quad.PassAs<DrawQuad>());
+    render_pass->AppendDrawQuad(quad.PassAs<DrawQuad>());
     append_quads_data->num_missing_tiles++;
     return;
   }
 
-  AppendDebugBorderQuad(quad_sink, shared_quad_state, append_quads_data);
+  AppendDebugBorderQuad(render_pass, shared_quad_state, append_quads_data);
 
   if (ShowDebugBorders()) {
     for (PictureLayerTilingSet::CoverageIterator iter(
         tilings_.get(), contents_scale_x(), rect, ideal_contents_scale_);
          iter;
          ++iter) {
       SkColor color;
       float width;
       if (*iter && iter->IsReadyToDraw()) {
         ManagedTileState::TileVersion::Mode mode =
@@ skipping 24 matching lines @@
 
       scoped_ptr<DebugBorderDrawQuad> debug_border_quad =
           DebugBorderDrawQuad::Create();
       gfx::Rect geometry_rect = iter.geometry_rect();
       gfx::Rect visible_geometry_rect = geometry_rect;
       debug_border_quad->SetNew(shared_quad_state,
                                 geometry_rect,
                                 visible_geometry_rect,
                                 color,
                                 width);
-      quad_sink->Append(debug_border_quad.PassAs<DrawQuad>());
+      render_pass->AppendDrawQuad(debug_border_quad.PassAs<DrawQuad>());
     }
   }
 
   // Keep track of the tilings that were used so that tilings that are
   // unused can be considered for removal.
   std::vector<PictureLayerTiling*> seen_tilings;
 
   size_t missing_tile_count = 0u;
   size_t on_demand_missing_tile_count = 0u;
   for (PictureLayerTilingSet::CoverageIterator iter(
       tilings_.get(), contents_scale_x(), rect, ideal_contents_scale_);
        iter;
        ++iter) {
     gfx::Rect geometry_rect = iter.geometry_rect();
-    gfx::Rect visible_geometry_rect =
-        quad_sink->UnoccludedContentRect(this, geometry_rect, draw_transform());
+    gfx::Rect visible_geometry_rect = occlusion_tracker.UnoccludedContentRect(
+        this->render_target(), geometry_rect, draw_transform());
     if (visible_geometry_rect.IsEmpty())
       continue;
 
     append_quads_data->visible_content_area +=
         visible_geometry_rect.width() * visible_geometry_rect.height();
 
     scoped_ptr<DrawQuad> draw_quad;
     if (*iter && iter->IsReadyToDraw()) {
       const ManagedTileState::TileVersion& tile_version =
           iter->GetTileVersionForDrawing();
@@ skipping 60 matching lines @@
         }
       }
     }
 
     if (!draw_quad) {
       if (draw_checkerboard_for_missing_tiles()) {
         scoped_ptr<CheckerboardDrawQuad> quad = CheckerboardDrawQuad::Create();
         SkColor color = DebugColors::DefaultCheckerboardColor();
         quad->SetNew(
             shared_quad_state, geometry_rect, visible_geometry_rect, color);
-        quad_sink->Append(quad.PassAs<DrawQuad>());
+        render_pass->AppendDrawQuad(quad.PassAs<DrawQuad>());
       } else {
         SkColor color = SafeOpaqueBackgroundColor();
         scoped_ptr<SolidColorDrawQuad> quad = SolidColorDrawQuad::Create();
         quad->SetNew(shared_quad_state,
                      geometry_rect,
                      visible_geometry_rect,
                      color,
                      false);
-        quad_sink->Append(quad.PassAs<DrawQuad>());
+        render_pass->AppendDrawQuad(quad.PassAs<DrawQuad>());
       }
 
       append_quads_data->num_missing_tiles++;
       append_quads_data->had_incomplete_tile = true;
       append_quads_data->approximated_visible_content_area +=
           visible_geometry_rect.width() * visible_geometry_rect.height();
       ++missing_tile_count;
       continue;
     }
 
-    quad_sink->Append(draw_quad.Pass());
+    render_pass->AppendDrawQuad(draw_quad.Pass());
 
     if (iter->priority(ACTIVE_TREE).resolution != HIGH_RESOLUTION) {
       append_quads_data->approximated_visible_content_area +=
           visible_geometry_rect.width() * visible_geometry_rect.height();
     }
 
     if (seen_tilings.empty() || seen_tilings.back() != iter.CurrentTiling())
       seen_tilings.push_back(iter.CurrentTiling());
   }
 
@@ skipping 1258 matching lines @@
   return iterator_index_ < iterators_.size();
 }
 
 bool PictureLayerImpl::LayerEvictionTileIterator::IsCorrectType(
     PictureLayerTiling::TilingEvictionTileIterator* it) const {
   return it->get_type() == iteration_stage_ &&
          (**it)->required_for_activation() == required_for_activation_;
 }
 
 }  // namespace cc