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Unified Diff: cc/resources/tiling_set_eviction_queue.cc

Issue 1051993002: cc: Remove tile sharing from tilings. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 8 months ago
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Index: cc/resources/tiling_set_eviction_queue.cc
diff --git a/cc/resources/tiling_set_eviction_queue.cc b/cc/resources/tiling_set_eviction_queue.cc
index 43d085b629f7047e09ce1d8b22748115b0df8ccf..bbe689d2617e9c79b69d622c9a3ee6c23f3f1bb5 100644
--- a/cc/resources/tiling_set_eviction_queue.cc
+++ b/cc/resources/tiling_set_eviction_queue.cc
@@ -7,33 +7,6 @@
#include "cc/resources/tiling_set_eviction_queue.h"
namespace cc {
-namespace {
-
-bool IsSharedOutOfOrderTile(WhichTree tree, const Tile* tile) {
- if (!tile->is_shared())
- return false;
-
- // The priority for tile priority of a shared tile will be a combined
- // priority thus return shared tiles from a higher priority tree as
- // it is out of order for a lower priority tree.
- WhichTree twin_tree = tree == ACTIVE_TREE ? PENDING_TREE : ACTIVE_TREE;
- const TilePriority& priority = tile->priority(tree);
- const TilePriority& twin_priority = tile->priority(twin_tree);
- if (priority.priority_bin != twin_priority.priority_bin)
- return priority.priority_bin > twin_priority.priority_bin;
- const bool occluded = tile->is_occluded(tree);
- const bool twin_occluded = tile->is_occluded(twin_tree);
- if (occluded != twin_occluded)
- return occluded;
- if (priority.distance_to_visible != twin_priority.distance_to_visible)
- return priority.distance_to_visible > twin_priority.distance_to_visible;
-
- // If priorities are the same, it does not matter which tree returns
- // the tile. Let's pick the pending tree.
- return tree != PENDING_TREE;
-}
-
-} // namespace
TilingSetEvictionQueue::TilingSetEvictionQueue(
PictureLayerTilingSet* tiling_set,
@@ -63,28 +36,43 @@ void TilingSetEvictionQueue::GenerateTilingOrder(
tilings_.reserve(tiling_set->num_tilings());
// Generate all of the tilings in the order described in the header comment
// for this class.
- auto range =
+ PictureLayerTilingSet::TilingRange range =
tiling_set->GetTilingRange(PictureLayerTilingSet::HIGHER_THAN_HIGH_RES);
- for (int i = range.start; i < range.end; ++i)
- tilings_.push_back(tiling_set->tiling_at(i));
+ for (int i = range.start; i < range.end; ++i) {
+ PictureLayerTiling* tiling = tiling_set->tiling_at(i);
+ if (tiling->has_tiles())
+ tilings_.push_back(tiling);
+ }
range = tiling_set->GetTilingRange(PictureLayerTilingSet::LOWER_THAN_LOW_RES);
- for (int i = range.end - 1; i >= range.start; --i)
- tilings_.push_back(tiling_set->tiling_at(i));
+ for (int i = range.end - 1; i >= range.start; --i) {
+ PictureLayerTiling* tiling = tiling_set->tiling_at(i);
+ if (tiling->has_tiles())
+ tilings_.push_back(tiling);
+ }
range = tiling_set->GetTilingRange(
PictureLayerTilingSet::BETWEEN_HIGH_AND_LOW_RES);
- for (int i = range.end - 1; i >= range.start; --i)
- tilings_.push_back(tiling_set->tiling_at(i));
+ for (int i = range.end - 1; i >= range.start; --i) {
+ PictureLayerTiling* tiling = tiling_set->tiling_at(i);
+ if (tiling->has_tiles())
+ tilings_.push_back(tiling);
+ }
range = tiling_set->GetTilingRange(PictureLayerTilingSet::LOW_RES);
- for (int i = range.start; i < range.end; ++i)
- tilings_.push_back(tiling_set->tiling_at(i));
+ for (int i = range.start; i < range.end; ++i) {
+ PictureLayerTiling* tiling = tiling_set->tiling_at(i);
+ if (tiling->has_tiles())
+ tilings_.push_back(tiling);
+ }
range = tiling_set->GetTilingRange(PictureLayerTilingSet::HIGH_RES);
- for (int i = range.start; i < range.end; ++i)
- tilings_.push_back(tiling_set->tiling_at(i));
- DCHECK_EQ(tiling_set->num_tilings(), tilings_.size());
+ for (int i = range.start; i < range.end; ++i) {
+ PictureLayerTiling* tiling = tiling_set->tiling_at(i);
+ if (tiling->has_tiles())
+ tilings_.push_back(tiling);
+ }
+ DCHECK_GE(tiling_set->num_tilings(), tilings_.size());
}
void TilingSetEvictionQueue::AdvancePhase() {
@@ -108,6 +96,20 @@ void TilingSetEvictionQueue::AdvancePhase() {
if (!skewport_iterator_.done())
current_tile_ = *skewport_iterator_;
break;
+ case PENDING_VISIBLE_RECT:
+ pending_visible_iterator_ = PendingVisibleTilingIterator(
+ &tilings_, tree_, skip_shared_out_of_order_tiles_,
+ false /* return required for activation tiles */);
+ if (!pending_visible_iterator_.done())
+ current_tile_ = *pending_visible_iterator_;
+ break;
+ case PENDING_VISIBLE_RECT_REQUIRED_FOR_ACTIVATION:
+ pending_visible_iterator_ = PendingVisibleTilingIterator(
+ &tilings_, tree_, skip_shared_out_of_order_tiles_,
+ true /* return required for activation tiles */);
+ if (!pending_visible_iterator_.done())
+ current_tile_ = *pending_visible_iterator_;
+ break;
case VISIBLE_RECT_OCCLUDED:
visible_iterator_ = VisibleTilingIterator(
&tilings_, tree_, skip_shared_out_of_order_tiles_,
@@ -177,6 +179,12 @@ void TilingSetEvictionQueue::Pop() {
if (!skewport_iterator_.done())
current_tile_ = *skewport_iterator_;
break;
+ case PENDING_VISIBLE_RECT:
+ case PENDING_VISIBLE_RECT_REQUIRED_FOR_ACTIVATION:
+ ++pending_visible_iterator_;
+ if (!pending_visible_iterator_.done())
+ current_tile_ = *pending_visible_iterator_;
+ break;
case VISIBLE_RECT_OCCLUDED:
case VISIBLE_RECT_UNOCCLUDED:
case VISIBLE_RECT_REQUIRED_FOR_ACTIVATION_OCCLUDED:
@@ -202,11 +210,13 @@ TilingSetEvictionQueue::EvictionRectIterator::EvictionRectIterator()
TilingSetEvictionQueue::EvictionRectIterator::EvictionRectIterator(
std::vector<PictureLayerTiling*>* tilings,
WhichTree tree,
- bool skip_shared_out_of_order_tiles)
+ bool skip_shared_out_of_order_tiles,
+ bool skip_pending_visible_rect)
: tile_(nullptr),
tilings_(tilings),
tree_(tree),
skip_shared_out_of_order_tiles_(skip_shared_out_of_order_tiles),
+ skip_pending_visible_rect_(skip_pending_visible_rect),
tiling_index_(0) {
}
@@ -228,15 +238,16 @@ bool TilingSetEvictionQueue::EvictionRectIterator::AdvanceToNextTile(
template <typename TilingIteratorType>
bool TilingSetEvictionQueue::EvictionRectIterator::GetFirstTileAndCheckIfValid(
TilingIteratorType* iterator) {
- tile_ = (*tilings_)[tiling_index_]->TileAt(iterator->index_x(),
- iterator->index_y());
+ PictureLayerTiling* tiling = (*tilings_)[tiling_index_];
+ tile_ = tiling->TileAt(iterator->index_x(), iterator->index_y());
// If there's nothing to evict, return false.
if (!tile_ || !tile_->HasResource())
return false;
- (*tilings_)[tiling_index_]->UpdateTileAndTwinPriority(tile_);
- // If the tile is out of order, return false.
- if (skip_shared_out_of_order_tiles_ && IsSharedOutOfOrderTile(tree_, tile_))
+ if (skip_pending_visible_rect_ &&
+ tiling->pending_visible_rect().Intersects(tile_->content_rect())) {
return false;
+ }
+ (*tilings_)[tiling_index_]->UpdateTileAndTwinPriority(tile_);
// In other cases, the tile we got is a viable candidate, return true.
return true;
}
@@ -246,18 +257,21 @@ TilingSetEvictionQueue::EventuallyTilingIterator::EventuallyTilingIterator(
std::vector<PictureLayerTiling*>* tilings,
WhichTree tree,
bool skip_shared_out_of_order_tiles)
- : EvictionRectIterator(tilings, tree, skip_shared_out_of_order_tiles) {
+ : EvictionRectIterator(tilings,
+ tree,
+ skip_shared_out_of_order_tiles,
+ true /* skip_pending_visible_rect */) {
// Find the first tiling with a tile.
while (tiling_index_ < tilings_->size()) {
- if (!((*tilings_))[tiling_index_]->has_eventually_rect_tiles()) {
+ if (!(*tilings_)[tiling_index_]->has_eventually_rect_tiles()) {
++tiling_index_;
continue;
}
iterator_ = TilingData::ReverseSpiralDifferenceIterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_eventually_rect(),
- ((*tilings_))[tiling_index_]->current_skewport_rect(),
- ((*tilings_))[tiling_index_]->current_soon_border_rect());
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_eventually_rect(),
+ (*tilings_)[tiling_index_]->current_skewport_rect(),
+ (*tilings_)[tiling_index_]->current_soon_border_rect());
if (!iterator_) {
++tiling_index_;
continue;
@@ -276,13 +290,13 @@ TilingSetEvictionQueue::EventuallyTilingIterator&
bool found_tile = AdvanceToNextTile(&iterator_);
while (!found_tile && (tiling_index_ + 1) < tilings_->size()) {
++tiling_index_;
- if (!((*tilings_))[tiling_index_]->has_eventually_rect_tiles())
+ if (!(*tilings_)[tiling_index_]->has_eventually_rect_tiles())
continue;
iterator_ = TilingData::ReverseSpiralDifferenceIterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_eventually_rect(),
- ((*tilings_))[tiling_index_]->current_skewport_rect(),
- ((*tilings_))[tiling_index_]->current_soon_border_rect());
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_eventually_rect(),
+ (*tilings_)[tiling_index_]->current_skewport_rect(),
+ (*tilings_)[tiling_index_]->current_soon_border_rect());
if (!iterator_)
continue;
found_tile = GetFirstTileAndCheckIfValid(&iterator_);
@@ -297,18 +311,21 @@ TilingSetEvictionQueue::SoonBorderTilingIterator::SoonBorderTilingIterator(
std::vector<PictureLayerTiling*>* tilings,
WhichTree tree,
bool skip_shared_out_of_order_tiles)
- : EvictionRectIterator(tilings, tree, skip_shared_out_of_order_tiles) {
+ : EvictionRectIterator(tilings,
+ tree,
+ skip_shared_out_of_order_tiles,
+ true /* skip_pending_visible_rect */) {
// Find the first tiling with a tile.
while (tiling_index_ < tilings_->size()) {
- if (!((*tilings_))[tiling_index_]->has_soon_border_rect_tiles()) {
+ if (!(*tilings_)[tiling_index_]->has_soon_border_rect_tiles()) {
++tiling_index_;
continue;
}
iterator_ = TilingData::ReverseSpiralDifferenceIterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_soon_border_rect(),
- ((*tilings_))[tiling_index_]->current_skewport_rect(),
- ((*tilings_))[tiling_index_]->current_visible_rect());
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_soon_border_rect(),
+ (*tilings_)[tiling_index_]->current_skewport_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect());
if (!iterator_) {
++tiling_index_;
continue;
@@ -327,13 +344,13 @@ TilingSetEvictionQueue::SoonBorderTilingIterator&
bool found_tile = AdvanceToNextTile(&iterator_);
while (!found_tile && (tiling_index_ + 1) < tilings_->size()) {
++tiling_index_;
- if (!((*tilings_))[tiling_index_]->has_soon_border_rect_tiles())
+ if (!(*tilings_)[tiling_index_]->has_soon_border_rect_tiles())
continue;
iterator_ = TilingData::ReverseSpiralDifferenceIterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_soon_border_rect(),
- ((*tilings_))[tiling_index_]->current_skewport_rect(),
- ((*tilings_))[tiling_index_]->current_visible_rect());
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_soon_border_rect(),
+ (*tilings_)[tiling_index_]->current_skewport_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect());
if (!iterator_)
continue;
found_tile = GetFirstTileAndCheckIfValid(&iterator_);
@@ -348,18 +365,21 @@ TilingSetEvictionQueue::SkewportTilingIterator::SkewportTilingIterator(
std::vector<PictureLayerTiling*>* tilings,
WhichTree tree,
bool skip_shared_out_of_order_tiles)
- : EvictionRectIterator(tilings, tree, skip_shared_out_of_order_tiles) {
+ : EvictionRectIterator(tilings,
+ tree,
+ skip_shared_out_of_order_tiles,
+ true /* skip_pending_visible_rect */) {
// Find the first tiling with a tile.
while (tiling_index_ < tilings_->size()) {
- if (!((*tilings_))[tiling_index_]->has_skewport_rect_tiles()) {
+ if (!(*tilings_)[tiling_index_]->has_skewport_rect_tiles()) {
++tiling_index_;
continue;
}
iterator_ = TilingData::ReverseSpiralDifferenceIterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_skewport_rect(),
- ((*tilings_))[tiling_index_]->current_visible_rect(),
- ((*tilings_))[tiling_index_]->current_visible_rect());
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_skewport_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect());
if (!iterator_) {
++tiling_index_;
continue;
@@ -378,22 +398,89 @@ TilingSetEvictionQueue::SkewportTilingIterator&
bool found_tile = AdvanceToNextTile(&iterator_);
while (!found_tile && (tiling_index_ + 1) < tilings_->size()) {
++tiling_index_;
- if (!((*tilings_))[tiling_index_]->has_skewport_rect_tiles())
+ if (!(*tilings_)[tiling_index_]->has_skewport_rect_tiles())
continue;
iterator_ = TilingData::ReverseSpiralDifferenceIterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_skewport_rect(),
- ((*tilings_))[tiling_index_]->current_visible_rect(),
- ((*tilings_))[tiling_index_]->current_visible_rect());
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_skewport_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect());
+ if (!iterator_)
+ continue;
+ found_tile = GetFirstTileAndCheckIfValid(&iterator_);
+ if (!found_tile)
+ found_tile = AdvanceToNextTile(&iterator_);
+ }
+ return *this;
+}
+
+// PendingVisibleIterator
+TilingSetEvictionQueue::PendingVisibleTilingIterator::
+ PendingVisibleTilingIterator(std::vector<PictureLayerTiling*>* tilings,
+ WhichTree tree,
+ bool skip_shared_out_of_order_tiles,
+ bool return_required_for_activation_tiles)
+ : EvictionRectIterator(tilings,
+ tree,
+ skip_shared_out_of_order_tiles,
+ false /* skip_pending_visible_rect */),
+ return_required_for_activation_tiles_(
+ return_required_for_activation_tiles) {
+ // Find the first tiling with a tile.
+ while (tiling_index_ < tilings_->size()) {
+ iterator_ = TilingData::DifferenceIterator(
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->pending_visible_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect());
+ if (!iterator_) {
+ ++tiling_index_;
+ continue;
+ }
+ break;
+ }
+ if (tiling_index_ >= tilings_->size())
+ return;
+ if (!GetFirstTileAndCheckIfValid(&iterator_)) {
+ ++(*this);
+ return;
+ }
+ if (!TileMatchesRequiredFlags(tile_)) {
+ ++(*this);
+ return;
+ }
+}
+
+TilingSetEvictionQueue::PendingVisibleTilingIterator&
+ TilingSetEvictionQueue::PendingVisibleTilingIterator::
+ operator++() {
+ bool found_tile = AdvanceToNextTile(&iterator_);
+ while (found_tile && !TileMatchesRequiredFlags(tile_))
+ found_tile = AdvanceToNextTile(&iterator_);
+
+ while (!found_tile && (tiling_index_ + 1) < tilings_->size()) {
+ ++tiling_index_;
+ iterator_ = TilingData::DifferenceIterator(
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->pending_visible_rect(),
+ (*tilings_)[tiling_index_]->current_visible_rect());
if (!iterator_)
continue;
found_tile = GetFirstTileAndCheckIfValid(&iterator_);
if (!found_tile)
found_tile = AdvanceToNextTile(&iterator_);
+ while (found_tile && !TileMatchesRequiredFlags(tile_))
+ found_tile = AdvanceToNextTile(&iterator_);
}
return *this;
}
+bool TilingSetEvictionQueue::PendingVisibleTilingIterator::
+ TileMatchesRequiredFlags(const Tile* tile) const {
+ bool activation_flag_matches =
+ tile->required_for_activation() == return_required_for_activation_tiles_;
+ return activation_flag_matches;
+}
+
// VisibleTilingIterator
TilingSetEvictionQueue::VisibleTilingIterator::VisibleTilingIterator(
std::vector<PictureLayerTiling*>* tilings,
@@ -401,19 +488,22 @@ TilingSetEvictionQueue::VisibleTilingIterator::VisibleTilingIterator(
bool skip_shared_out_of_order_tiles,
bool return_occluded_tiles,
bool return_required_for_activation_tiles)
- : EvictionRectIterator(tilings, tree, skip_shared_out_of_order_tiles),
+ : EvictionRectIterator(tilings,
+ tree,
+ skip_shared_out_of_order_tiles,
+ false /* skip_pending_visible_rect */),
return_occluded_tiles_(return_occluded_tiles),
return_required_for_activation_tiles_(
return_required_for_activation_tiles) {
// Find the first tiling with a tile.
while (tiling_index_ < tilings_->size()) {
- if (!((*tilings_))[tiling_index_]->has_visible_rect_tiles()) {
+ if (!(*tilings_)[tiling_index_]->has_visible_rect_tiles()) {
++tiling_index_;
continue;
}
iterator_ = TilingData::Iterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_visible_rect(), false);
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_visible_rect(), false);
if (!iterator_) {
++tiling_index_;
continue;
@@ -441,11 +531,11 @@ TilingSetEvictionQueue::VisibleTilingIterator&
while (!found_tile && (tiling_index_ + 1) < tilings_->size()) {
++tiling_index_;
- if (!((*tilings_))[tiling_index_]->has_visible_rect_tiles())
+ if (!(*tilings_)[tiling_index_]->has_visible_rect_tiles())
continue;
iterator_ = TilingData::Iterator(
- ((*tilings_))[tiling_index_]->tiling_data(),
- ((*tilings_))[tiling_index_]->current_visible_rect(), false);
+ (*tilings_)[tiling_index_]->tiling_data(),
+ (*tilings_)[tiling_index_]->current_visible_rect(), false);
if (!iterator_)
continue;
found_tile = GetFirstTileAndCheckIfValid(&iterator_);
@@ -461,8 +551,7 @@ bool TilingSetEvictionQueue::VisibleTilingIterator::TileMatchesRequiredFlags(
const Tile* tile) const {
bool activation_flag_matches =
tile->required_for_activation() == return_required_for_activation_tiles_;
- bool occluded_flag_matches =
- tile->is_occluded(tree_) == return_occluded_tiles_;
+ bool occluded_flag_matches = tile->is_occluded() == return_occluded_tiles_;
return activation_flag_matches && occluded_flag_matches;
}
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