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