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