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() : 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