cc/test/tiled_layer_test_common.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/test/tiled_layer_test_common.h"
   6
   7 namespace cc {
   8
   9 FakeLayerUpdater::Resource::Resource(FakeLayerUpdater* layer,
  10                                      scoped_ptr<PrioritizedResource> texture)
  11     : LayerUpdater::Resource(texture.Pass()), layer_(layer) {
  12   bitmap_.allocN32Pixels(10, 10);
  13 }
  14
  15 FakeLayerUpdater::Resource::~Resource() {}
  16
  17 void FakeLayerUpdater::Resource::Update(ResourceUpdateQueue* queue,
  18                                         const gfx::Rect& source_rect,
  19                                         const gfx::Vector2d& dest_offset,
  20                                         bool partial_update) {
  21   const gfx::Rect kRect(0, 0, 10, 10);
  22   ResourceUpdate upload = ResourceUpdate::Create(
  23       texture(), &bitmap_, kRect, kRect, gfx::Vector2d());
  24   if (partial_update)
  25     queue->AppendPartialUpload(upload);
  26   else
  27     queue->AppendFullUpload(upload);
  28
  29   layer_->Update();
  30 }
  31
  32 FakeLayerUpdater::FakeLayerUpdater()
  33     : prepare_count_(0), update_count_(0), last_contents_width_scale_(0.f) {
  34 }
  35
  36 FakeLayerUpdater::~FakeLayerUpdater() {}
  37
  38 void FakeLayerUpdater::PrepareToUpdate(const gfx::Size& content_size,
  39                                        const gfx::Rect& paint_rect,
  40                                        const gfx::Size& tile_size,
  41                                        float contents_width_scale,
  42                                        float contents_height_scale) {
  43   prepare_count_++;
  44   last_update_rect_ = paint_rect;
  45   last_contents_width_scale_ = contents_width_scale;
  46   if (!rect_to_invalidate_.IsEmpty()) {
  47     layer_->InvalidateContentRect(rect_to_invalidate_);
  48     rect_to_invalidate_ = gfx::Rect();
  49     layer_ = NULL;
  50   }
  51 }
  52
  53 void FakeLayerUpdater::SetRectToInvalidate(const gfx::Rect& rect,
  54                                            FakeTiledLayer* layer) {
  55   rect_to_invalidate_ = rect;
  56   layer_ = layer;
  57 }
  58
  59 scoped_ptr<LayerUpdater::Resource> FakeLayerUpdater::CreateResource(
  60     PrioritizedResourceManager* manager) {
  61   return make_scoped_ptr(
  62       new Resource(this, PrioritizedResource::Create(manager)));
  63 }
  64
  65 FakeTiledLayerImpl::FakeTiledLayerImpl(LayerTreeImpl* tree_impl, int id)
  66     : TiledLayerImpl(tree_impl, id) {}
  67
  68 FakeTiledLayerImpl::~FakeTiledLayerImpl() {}
  69
  70 FakeTiledLayer::FakeTiledLayer(PrioritizedResourceManager* resource_manager)
  71     : TiledLayer(),
  72       fake_updater_(make_scoped_refptr(new FakeLayerUpdater)),
  73       resource_manager_(resource_manager) {
  74   SetTileSize(tile_size());
  75   SetTextureFormat(RGBA_8888);
  76   SetBorderTexelOption(LayerTilingData::NO_BORDER_TEXELS);
  77   // So that we don't get false positives if any of these
  78   // tests expect to return false from DrawsContent() for other reasons.
  79   SetIsDrawable(true);
  80 }
  81
  82 FakeTiledLayerWithScaledBounds::FakeTiledLayerWithScaledBounds(
  83     PrioritizedResourceManager* resource_manager)
  84     : FakeTiledLayer(resource_manager) {}
  85
  86 FakeTiledLayerWithScaledBounds::~FakeTiledLayerWithScaledBounds() {}
  87
  88 FakeTiledLayer::~FakeTiledLayer() {}
  89
  90 void FakeTiledLayer::SetNeedsDisplayRect(const gfx::Rect& rect) {
  91   last_needs_display_rect_ = rect;
  92   TiledLayer::SetNeedsDisplayRect(rect);
  93 }
  94
  95 void FakeTiledLayer::SetTexturePriorities(
  96     const PriorityCalculator& calculator) {
  97   // Ensure there is always a target render surface available. If none has been
  98   // set (the layer is an orphan for the test), then just set a surface on
  99   // itself.
 100   bool missing_target_render_surface = !render_target();
 101
 102   if (missing_target_render_surface) {
 103     CreateRenderSurface();
 104     draw_properties().render_target = this;
 105   }
 106
 107   TiledLayer::SetTexturePriorities(calculator);
 108
 109   if (missing_target_render_surface) {
 110     ClearRenderSurface();
 111     draw_properties().render_target = 0;
 112   }
 113 }
 114
 115 PrioritizedResourceManager* FakeTiledLayer::ResourceManager() {
 116   return resource_manager_;
 117 }
 118
 119 void FakeTiledLayer::UpdateContentsScale(float ideal_contents_scale) {
 120   CalculateContentsScale(ideal_contents_scale,
 121                          &draw_properties().contents_scale_x,
 122                          &draw_properties().contents_scale_y,
 123                          &draw_properties().content_bounds);
 124 }
 125
 126 void FakeTiledLayer::ResetNumDependentsNeedPushProperties() {
 127   size_t num = 0;
 128   if (mask_layer()) {
 129     if (mask_layer()->needs_push_properties() ||
 130         mask_layer()->descendant_needs_push_properties())
 131       ++num;
 132   }
 133   if (replica_layer()) {
 134     if (replica_layer()->needs_push_properties() ||
 135         replica_layer()->descendant_needs_push_properties())
 136       ++num;
 137   }
 138   for (size_t i = 0; i < children().size(); ++i) {
 139     if (children()[i]->needs_push_properties() ||
 140         children()[i]->descendant_needs_push_properties())
 141       ++num;
 142   }
 143   num_dependents_need_push_properties_ = num;
 144 }
 145
 146 LayerUpdater* FakeTiledLayer::Updater() const {
 147   return fake_updater_.get();
 148 }
 149
 150 void FakeTiledLayerWithScaledBounds::SetContentBounds(
 151     const gfx::Size& content_bounds) {
 152   forced_content_bounds_ = content_bounds;
 153   draw_properties().content_bounds = forced_content_bounds_;
 154 }
 155
 156 void FakeTiledLayerWithScaledBounds::CalculateContentsScale(
 157     float ideal_contents_scale,
 158     float* contents_scale_x,
 159     float* contents_scale_y,
 160     gfx::Size* content_bounds) {
 161   *contents_scale_x =
 162       static_cast<float>(forced_content_bounds_.width()) / bounds().width();
 163   *contents_scale_y =
 164       static_cast<float>(forced_content_bounds_.height()) / bounds().height();
 165   *content_bounds = forced_content_bounds_;
 166 }
 167
 168 }  // namespace cc