Part 10 of cc/ directory shuffles: layers

cc/render_surface_impl.cc

Index: cc/render_surface_impl.cc
diff --git a/cc/render_surface_impl.cc b/cc/render_surface_impl.cc
deleted file mode 100644
index 6d9de5e85f6fb36cd912c1cbaff36c47ff2488eb..0000000000000000000000000000000000000000
--- a/cc/render_surface_impl.cc
+++ /dev/null
@@ -1,290 +0,0 @@
-// 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/render_surface_impl.h"
-
-#include <algorithm>
-
-#include "base/logging.h"
-#include "base/stringprintf.h"
-#include "cc/base/math_util.h"
-#include "cc/debug/debug_colors.h"
-#include "cc/delegated_renderer_layer_impl.h"
-#include "cc/layer_impl.h"
-#include "cc/quad_sink.h"
-#include "cc/quads/debug_border_draw_quad.h"
-#include "cc/quads/render_pass.h"
-#include "cc/quads/render_pass_draw_quad.h"
-#include "cc/quads/shared_quad_state.h"
-#include "cc/render_pass_sink.h"
-#include "cc/trees/damage_tracker.h"
-#include "third_party/skia/include/core/SkImageFilter.h"
-#include "ui/gfx/rect_conversions.h"
-#include "ui/gfx/transform.h"
-
-namespace cc {
-
-RenderSurfaceImpl::RenderSurfaceImpl(LayerImpl* owning_layer)
-    : owning_layer_(owning_layer),
-      surface_property_changed_(false),
-      draw_opacity_(1),
-      draw_opacity_is_animating_(false),
-      target_surface_transforms_are_animating_(false),
-      screen_space_transforms_are_animating_(false),
-      is_clipped_(false),
-      nearest_ancestor_that_moves_pixels_(NULL),
-      target_render_surface_layer_index_history_(0),
-      current_layer_index_history_(0) {
-  damage_tracker_ = DamageTracker::Create();
-}
-
-RenderSurfaceImpl::~RenderSurfaceImpl() {}
-
-gfx::RectF RenderSurfaceImpl::DrawableContentRect() const {
-  gfx::RectF drawable_content_rect =
-      MathUtil::MapClippedRect(draw_transform_, content_rect_);
-  if (owning_layer_->has_replica()) {
-    drawable_content_rect.Union(
-        MathUtil::MapClippedRect(replica_draw_transform_, content_rect_));
-  }
-
-  return drawable_content_rect;
-}
-
-std::string RenderSurfaceImpl::Name() const {
-  return base::StringPrintf("RenderSurfaceImpl(id=%i,owner=%s)",
-                            owning_layer_->id(),
-                            owning_layer_->debug_name().data());
-}
-
-static std::string IndentString(int indent) {
-  std::string str;
-  for (int i = 0; i != indent; ++i)
-    str.append("  ");
-  return str;
-}
-
-void RenderSurfaceImpl::DumpSurface(std::string* str, int indent) const {
-  std::string indent_str = IndentString(indent);
-  str->append(indent_str);
-  base::StringAppendF(str, "%s\n", Name().data());
-
-  indent_str.append("  ");
-  str->append(indent_str);
-  base::StringAppendF(str,
-                      "content_rect: (%d, %d, %d, %d)\n",
-                      content_rect_.x(),
-                      content_rect_.y(),
-                      content_rect_.width(),
-                      content_rect_.height());
-
-  str->append(indent_str);
-  base::StringAppendF(str,
-                      "draw_transform: "
-                      "%f, %f, %f, %f, "
-                      "%f, %f, %f, %f, "
-                      "%f, %f, %f, %f, "
-                      "%f, %f, %f, %f\n",
-                      draw_transform_.matrix().getDouble(0, 0),
-                      draw_transform_.matrix().getDouble(0, 1),
-                      draw_transform_.matrix().getDouble(0, 2),
-                      draw_transform_.matrix().getDouble(0, 3),
-                      draw_transform_.matrix().getDouble(1, 0),
-                      draw_transform_.matrix().getDouble(1, 1),
-                      draw_transform_.matrix().getDouble(1, 2),
-                      draw_transform_.matrix().getDouble(1, 3),
-                      draw_transform_.matrix().getDouble(2, 0),
-                      draw_transform_.matrix().getDouble(2, 1),
-                      draw_transform_.matrix().getDouble(2, 2),
-                      draw_transform_.matrix().getDouble(2, 3),
-                      draw_transform_.matrix().getDouble(3, 0),
-                      draw_transform_.matrix().getDouble(3, 1),
-                      draw_transform_.matrix().getDouble(3, 2),
-                      draw_transform_.matrix().getDouble(3, 3));
-
-  str->append(indent_str);
-  base::StringAppendF(str,
-                      "damageRect is pos(%f, %f), size(%f, %f)\n",
-                      damage_tracker_->current_damage_rect().x(),
-                      damage_tracker_->current_damage_rect().y(),
-                      damage_tracker_->current_damage_rect().width(),
-                      damage_tracker_->current_damage_rect().height());
-}
-
-int RenderSurfaceImpl::OwningLayerId() const {
-  return owning_layer_ ? owning_layer_->id() : 0;
-}
-
-
-void RenderSurfaceImpl::SetClipRect(gfx::Rect clip_rect) {
-  if (clip_rect_ == clip_rect)
-    return;
-
-  surface_property_changed_ = true;
-  clip_rect_ = clip_rect;
-}
-
-bool RenderSurfaceImpl::ContentsChanged() const {
-  return !damage_tracker_->current_damage_rect().IsEmpty();
-}
-
-void RenderSurfaceImpl::SetContentRect(gfx::Rect content_rect) {
-  if (content_rect_ == content_rect)
-    return;
-
-  surface_property_changed_ = true;
-  content_rect_ = content_rect;
-}
-
-bool RenderSurfaceImpl::SurfacePropertyChanged() const {
-  // Surface property changes are tracked as follows:
-  //
-  // - surface_property_changed_ is flagged when the clip_rect or content_rect
-  //   change. As of now, these are the only two properties that can be affected
-  //   by descendant layers.
-  //
-  // - all other property changes come from the owning layer (or some ancestor
-  //   layer that propagates its change to the owning layer).
-  //
-  DCHECK(owning_layer_);
-  return surface_property_changed_ || owning_layer_->LayerPropertyChanged();
-}
-
-bool RenderSurfaceImpl::SurfacePropertyChangedOnlyFromDescendant() const {
-  return surface_property_changed_ && !owning_layer_->LayerPropertyChanged();
-}
-
-void RenderSurfaceImpl::AddContributingDelegatedRenderPassLayer(
-    LayerImpl* layer) {
-  DCHECK(std::find(layer_list_.begin(), layer_list_.end(), layer) !=
-         layer_list_.end());
-  DelegatedRendererLayerImpl* delegated_renderer_layer =
-      static_cast<DelegatedRendererLayerImpl*>(layer);
-  contributing_delegated_render_pass_layer_list_.push_back(
-      delegated_renderer_layer);
-}
-
-void RenderSurfaceImpl::ClearLayerLists() {
-  layer_list_.clear();
-  contributing_delegated_render_pass_layer_list_.clear();
-}
-
-RenderPass::Id RenderSurfaceImpl::RenderPassId() {
-  int layer_id = owning_layer_->id();
-  int sub_id = 0;
-  DCHECK_GT(layer_id, 0);
-  return RenderPass::Id(layer_id, sub_id);
-}
-
-void RenderSurfaceImpl::AppendRenderPasses(RenderPassSink* pass_sink) {
-  for (size_t i = 0;
-       i < contributing_delegated_render_pass_layer_list_.size();
-       ++i) {
-    DelegatedRendererLayerImpl* delegated_renderer_layer =
-        contributing_delegated_render_pass_layer_list_[i];
-    delegated_renderer_layer->AppendContributingRenderPasses(pass_sink);
-  }
-
-  scoped_ptr<RenderPass> pass = RenderPass::Create();
-  pass->SetNew(RenderPassId(),
-               content_rect_,
-               damage_tracker_->current_damage_rect(),
-               screen_space_transform_);
-  pass_sink->AppendRenderPass(pass.Pass());
-}
-
-void RenderSurfaceImpl::AppendQuads(QuadSink* quad_sink,
-                                    AppendQuadsData* append_quads_data,
-                                    bool for_replica,
-                                    RenderPass::Id render_pass_id) {
-  DCHECK(!for_replica || owning_layer_->has_replica());
-
-  const gfx::Transform& draw_transform =
-      for_replica ? replica_draw_transform_ : draw_transform_;
-  SharedQuadState* shared_quad_state =
-      quad_sink->UseSharedQuadState(SharedQuadState::Create());
-  shared_quad_state->SetAll(draw_transform,
-                            content_rect_.size(),
-                            content_rect_,
-                            clip_rect_,
-                            is_clipped_,
-                            draw_opacity_);
-
-  if (owning_layer_->ShowDebugBorders()) {
-    SkColor color = for_replica ?
-                    DebugColors::SurfaceReplicaBorderColor() :
-                    DebugColors::SurfaceBorderColor();
-    float width = for_replica ?
-                  DebugColors::SurfaceReplicaBorderWidth(
-                      owning_layer_->layer_tree_impl()) :
-                  DebugColors::SurfaceBorderWidth(
-                      owning_layer_->layer_tree_impl());
-    scoped_ptr<DebugBorderDrawQuad> debug_border_quad =
-        DebugBorderDrawQuad::Create();
-    debug_border_quad->SetNew(shared_quad_state, content_rect_, color, width);
-    quad_sink->Append(debug_border_quad.PassAs<DrawQuad>(), append_quads_data);
-  }
-
-  // FIXME: By using the same RenderSurfaceImpl for both the content and its
-  // reflection, it's currently not possible to apply a separate mask to the
-  // reflection layer or correctly handle opacity in reflections (opacity must
-  // be applied after drawing both the layer and its reflection). The solution
-  // is to introduce yet another RenderSurfaceImpl to draw the layer and its
-  // reflection in. For now we only apply a separate reflection mask if the
-  // contents don't have a mask of their own.
-  LayerImpl* mask_layer = owning_layer_->mask_layer();
-  if (mask_layer &&
-      (!mask_layer->DrawsContent() || mask_layer->bounds().IsEmpty()))
-    mask_layer = NULL;
-
-  if (!mask_layer && for_replica) {
-    mask_layer = owning_layer_->replica_layer()->mask_layer();
-    if (mask_layer &&
-        (!mask_layer->DrawsContent() || mask_layer->bounds().IsEmpty()))
-      mask_layer = NULL;
-  }
-
-  gfx::RectF mask_uv_rect(0.f, 0.f, 1.f, 1.f);
-  if (mask_layer) {
-    gfx::Vector2dF owning_layer_draw_scale =
-        MathUtil::ComputeTransform2dScaleComponents(
-            owning_layer_->draw_transform(), 1.f);
-    gfx::SizeF unclipped_surface_size = gfx::ScaleSize(
-        owning_layer_->content_bounds(),
-        owning_layer_draw_scale.x(),
-        owning_layer_draw_scale.y());
-    // This assumes that the owning layer clips its subtree when a mask is
-    // present.
-    DCHECK(gfx::RectF(unclipped_surface_size).Contains(content_rect_));
-
-    float uv_scale_x = content_rect_.width() / unclipped_surface_size.width();
-    float uv_scale_y = content_rect_.height() / unclipped_surface_size.height();
-
-    mask_uv_rect = gfx::RectF(
-        uv_scale_x * content_rect_.x() / content_rect_.width(),
-        uv_scale_y * content_rect_.y() / content_rect_.height(),
-        uv_scale_x,
-        uv_scale_y);
-  }
-
-  ResourceProvider::ResourceId mask_resource_id =
-      mask_layer ? mask_layer->ContentsResourceId() : 0;
-  gfx::Rect contents_changed_since_last_frame =
-      ContentsChanged() ? content_rect_ : gfx::Rect();
-
-  scoped_ptr<RenderPassDrawQuad> quad = RenderPassDrawQuad::Create();
-  quad->SetNew(shared_quad_state,
-               content_rect_,
-               render_pass_id,
-               for_replica,
-               mask_resource_id,
-               contents_changed_since_last_frame,
-               mask_uv_rect,
-               owning_layer_->filters(),
-               owning_layer_->filter(),
-               owning_layer_->background_filters());
-  quad_sink->Append(quad.PassAs<DrawQuad>(), append_quads_data);
-}
-
-}  // namespace cc