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      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() : prepare_count_(0), update_count_(0) {}
     33 
     34 FakeLayerUpdater::~FakeLayerUpdater() {}
     35 
     36 void FakeLayerUpdater::PrepareToUpdate(const gfx::Rect& content_rect,
     37                                        const gfx::Size& tile_size,
     38                                        float contents_width_scale,
     39                                        float contents_height_scale,
     40                                        gfx::Rect* resulting_opaque_rect) {
     41   prepare_count_++;
     42   last_update_rect_ = content_rect;
     43   if (!rect_to_invalidate_.IsEmpty()) {
     44     layer_->InvalidateContentRect(rect_to_invalidate_);
     45     rect_to_invalidate_ = gfx::Rect();
     46     layer_ = NULL;
     47   }
     48   *resulting_opaque_rect = opaque_paint_rect_;
     49 }
     50 
     51 void FakeLayerUpdater::SetRectToInvalidate(const gfx::Rect& rect,
     52                                            FakeTiledLayer* layer) {
     53   rect_to_invalidate_ = rect;
     54   layer_ = layer;
     55 }
     56 
     57 scoped_ptr<LayerUpdater::Resource> FakeLayerUpdater::CreateResource(
     58     PrioritizedResourceManager* manager) {
     59   return scoped_ptr<LayerUpdater::Resource>(
     60       new Resource(this, PrioritizedResource::Create(manager)));
     61 }
     62 
     63 FakeTiledLayerImpl::FakeTiledLayerImpl(LayerTreeImpl* tree_impl, int id)
     64     : TiledLayerImpl(tree_impl, id) {}
     65 
     66 FakeTiledLayerImpl::~FakeTiledLayerImpl() {}
     67 
     68 FakeTiledLayer::FakeTiledLayer(PrioritizedResourceManager* resource_manager)
     69     : TiledLayer(),
     70       fake_updater_(make_scoped_refptr(new FakeLayerUpdater)),
     71       resource_manager_(resource_manager) {
     72   SetTileSize(tile_size());
     73   SetTextureFormat(RGBA_8888);
     74   SetBorderTexelOption(LayerTilingData::NO_BORDER_TEXELS);
     75   // So that we don't get false positives if any of these
     76   // tests expect to return false from DrawsContent() for other reasons.
     77   SetIsDrawable(true);
     78 }
     79 
     80 FakeTiledLayerWithScaledBounds::FakeTiledLayerWithScaledBounds(
     81     PrioritizedResourceManager* resource_manager)
     82     : FakeTiledLayer(resource_manager) {}
     83 
     84 FakeTiledLayerWithScaledBounds::~FakeTiledLayerWithScaledBounds() {}
     85 
     86 FakeTiledLayer::~FakeTiledLayer() {}
     87 
     88 void FakeTiledLayer::SetNeedsDisplayRect(const gfx::RectF& rect) {
     89   last_needs_display_rect_ = rect;
     90   TiledLayer::SetNeedsDisplayRect(rect);
     91 }
     92 
     93 void FakeTiledLayer::SetTexturePriorities(
     94     const PriorityCalculator& calculator) {
     95   // Ensure there is always a target render surface available. If none has been
     96   // set (the layer is an orphan for the test), then just set a surface on
     97   // itself.
     98   bool missing_target_render_surface = !render_target();
     99 
    100   if (missing_target_render_surface)
    101     CreateRenderSurface();
    102 
    103   TiledLayer::SetTexturePriorities(calculator);
    104 
    105   if (missing_target_render_surface) {
    106     ClearRenderSurface();
    107     draw_properties().render_target = 0;
    108   }
    109 }
    110 
    111 PrioritizedResourceManager* FakeTiledLayer::ResourceManager() {
    112   return resource_manager_;
    113 }
    114 
    115 void FakeTiledLayer::UpdateContentsScale(float ideal_contents_scale) {
    116   CalculateContentsScale(ideal_contents_scale,
    117                          1.f,
    118                          1.f,
    119                          1.f,
    120                          false,  // animating_transform_to_screen
    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 device_scale_factor,
    159     float page_scale_factor,
    160     float maximum_animation_contents_scale,
    161     bool animating_transform_to_screen,
    162     float* contents_scale_x,
    163     float* contents_scale_y,
    164     gfx::Size* content_bounds) {
    165   *contents_scale_x =
    166       static_cast<float>(forced_content_bounds_.width()) / bounds().width();
    167   *contents_scale_y =
    168       static_cast<float>(forced_content_bounds_.height()) / bounds().height();
    169   *content_bounds = forced_content_bounds_;
    170 }
    171 
    172 }  // namespace cc
    173