cc/test/fake_picture_pile_impl.cc

   1 // Copyright 2013 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/fake_picture_pile_impl.h"
   6
   7 #include <algorithm>
   8 #include <limits>
   9 #include <utility>
  10
  11 #include "base/synchronization/waitable_event.h"
  12 #include "cc/playback/picture_pile.h"
  13 #include "cc/trees/layer_tree_settings.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 namespace cc {
  17
  18 FakePicturePileImpl::FakePicturePileImpl() : playback_allowed_event_(nullptr) {
  19 }
  20
  21 FakePicturePileImpl::FakePicturePileImpl(
  22     const PicturePile* other,
  23     base::WaitableEvent* playback_allowed_event)
  24     : PicturePileImpl(other, true),
  25       playback_allowed_event_(playback_allowed_event),
  26       tile_grid_size_(other->GetTileGridSizeForTesting()) {
  27 }
  28
  29 FakePicturePileImpl::~FakePicturePileImpl() {}
  30
  31 scoped_refptr<FakePicturePileImpl> FakePicturePileImpl::CreatePile(
  32     const gfx::Size& tile_size,
  33     const gfx::Size& layer_bounds,
  34     const gfx::Rect& recorded_viewport,
  35     bool is_filled) {
  36   FakePicturePile pile(LayerTreeSettings().minimum_contents_scale,
  37                        LayerTreeSettings().default_tile_grid_size);
  38   pile.tiling().SetBorderTexels(0);
  39   pile.tiling().SetTilingSize(layer_bounds);
  40   pile.tiling().SetMaxTextureSize(tile_size);
  41   pile.SetRecordedViewport(recorded_viewport);
  42   pile.SetHasAnyRecordings(is_filled);
  43   if (is_filled) {
  44     for (int x = 0; x < pile.tiling().num_tiles_x(); ++x) {
  45       for (int y = 0; y < pile.tiling().num_tiles_y(); ++y)
  46         pile.AddRecordingAt(x, y);
  47     }
  48   }
  49   scoped_refptr<FakePicturePileImpl> pile_impl(
  50       new FakePicturePileImpl(&pile, nullptr));
  51   return pile_impl;
  52 }
  53
  54 scoped_refptr<FakePicturePileImpl> FakePicturePileImpl::CreateFilledPile(
  55     const gfx::Size& tile_size,
  56     const gfx::Size& layer_bounds) {
  57   gfx::Rect recorded_viewport(layer_bounds);
  58   bool is_filled = true;
  59   return CreatePile(tile_size, layer_bounds, recorded_viewport, is_filled);
  60 }
  61
  62 scoped_refptr<FakePicturePileImpl> FakePicturePileImpl::CreateEmptyPile(
  63     const gfx::Size& tile_size,
  64     const gfx::Size& layer_bounds) {
  65   gfx::Rect recorded_viewport;
  66   bool is_filled = false;
  67   return CreatePile(tile_size, layer_bounds, recorded_viewport, is_filled);
  68 }
  69
  70 scoped_refptr<FakePicturePileImpl>
  71 FakePicturePileImpl::CreateEmptyPileThatThinksItHasRecordings(
  72     const gfx::Size& tile_size,
  73     const gfx::Size& layer_bounds,
  74     bool is_solid_color) {
  75   FakePicturePile pile(LayerTreeSettings().minimum_contents_scale,
  76                        LayerTreeSettings().default_tile_grid_size);
  77   pile.tiling().SetBorderTexels(0);
  78   pile.tiling().SetTilingSize(layer_bounds);
  79   pile.tiling().SetMaxTextureSize(tile_size);
  80   // This simulates a false positive for this flag.
  81   pile.SetRecordedViewport(gfx::Rect());
  82   pile.SetHasAnyRecordings(true);
  83   pile.SetIsSolidColor(is_solid_color);
  84   return make_scoped_refptr(new FakePicturePileImpl(&pile, nullptr));
  85 }
  86
  87 scoped_refptr<FakePicturePileImpl>
  88 FakePicturePileImpl::CreateInfiniteFilledPile() {
  89   gfx::Size size(std::numeric_limits<int>::max(),
  90                  std::numeric_limits<int>::max());
  91   FakePicturePile pile(LayerTreeSettings().minimum_contents_scale, size);
  92   pile.tiling().SetBorderTexels(0);
  93   pile.tiling().SetTilingSize(size);
  94   pile.tiling().SetMaxTextureSize(size);
  95   pile.SetRecordedViewport(gfx::Rect(size));
  96   pile.SetHasAnyRecordings(true);
  97   pile.AddRecordingAt(0, 0);
  98   scoped_refptr<FakePicturePileImpl> pile_impl(
  99       new FakePicturePileImpl(&pile, nullptr));
 100   return pile_impl;
 101 }
 102
 103 scoped_refptr<FakePicturePileImpl> FakePicturePileImpl::CreateFromPile(
 104     const PicturePile* other,
 105     base::WaitableEvent* playback_allowed_event) {
 106   return make_scoped_refptr(
 107       new FakePicturePileImpl(other, playback_allowed_event));
 108 }
 109
 110 void FakePicturePileImpl::PlaybackToCanvas(
 111     SkCanvas* canvas,
 112     const gfx::Rect& canvas_bitmap_rect,
 113     const gfx::Rect& canvas_playback_rect,
 114     float contents_scale) const {
 115   if (playback_allowed_event_)
 116     playback_allowed_event_->Wait();
 117   PicturePileImpl::PlaybackToCanvas(canvas, canvas_bitmap_rect,
 118                                     canvas_playback_rect, contents_scale);
 119 }
 120
 121 bool FakePicturePileImpl::HasRecordingAt(int x, int y) const {
 122   PictureMap::const_iterator found = picture_map_.find(PictureMapKey(x, y));
 123   return found != picture_map_.end();
 124 }
 125
 126 }  // namespace cc