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Unified Diff: cc/resources/raster_tile_priority_queue_all.cc

Issue 1144693002: cc: Move files out of cc/resources/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: resources: android Created 5 years, 7 months ago
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Index: cc/resources/raster_tile_priority_queue_all.cc
diff --git a/cc/resources/raster_tile_priority_queue_all.cc b/cc/resources/raster_tile_priority_queue_all.cc
deleted file mode 100644
index 950eb9d7c84fab32fceaf9dc61b4ecec7f0fe6ad..0000000000000000000000000000000000000000
--- a/cc/resources/raster_tile_priority_queue_all.cc
+++ /dev/null
@@ -1,170 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "cc/resources/raster_tile_priority_queue_all.h"
-
-#include "cc/resources/tiling_set_raster_queue_all.h"
-
-namespace cc {
-
-namespace {
-
-class RasterOrderComparator {
- public:
- explicit RasterOrderComparator(TreePriority tree_priority)
- : tree_priority_(tree_priority) {}
-
- bool operator()(const TilingSetRasterQueueAll* a_queue,
- const TilingSetRasterQueueAll* b_queue) const {
- // Note that in this function, we have to return true if and only if
- // a is strictly lower priority than b.
- const TilePriority& a_priority = a_queue->Top().priority();
- const TilePriority& b_priority = b_queue->Top().priority();
- bool prioritize_low_res = tree_priority_ == SMOOTHNESS_TAKES_PRIORITY;
-
- // If the bin is the same but the resolution is not, then the order will be
- // determined by whether we prioritize low res or not.
- // TODO(vmpstr): Remove this when TilePriority is no longer a member of Tile
- // class but instead produced by the iterators.
- if (b_priority.priority_bin == a_priority.priority_bin &&
- b_priority.resolution != a_priority.resolution) {
- // Non ideal resolution should be sorted lower than other resolutions.
- if (a_priority.resolution == NON_IDEAL_RESOLUTION)
- return true;
-
- if (b_priority.resolution == NON_IDEAL_RESOLUTION)
- return false;
-
- if (prioritize_low_res)
- return b_priority.resolution == LOW_RESOLUTION;
- return b_priority.resolution == HIGH_RESOLUTION;
- }
-
- return b_priority.IsHigherPriorityThan(a_priority);
- }
-
- private:
- TreePriority tree_priority_;
-};
-
-void CreateTilingSetRasterQueues(
- const std::vector<PictureLayerImpl*>& layers,
- TreePriority tree_priority,
- ScopedPtrVector<TilingSetRasterQueueAll>* queues) {
- DCHECK(queues->empty());
-
- for (auto* layer : layers) {
- if (!layer->HasValidTilePriorities())
- continue;
-
- PictureLayerTilingSet* tiling_set = layer->picture_layer_tiling_set();
- bool prioritize_low_res = tree_priority == SMOOTHNESS_TAKES_PRIORITY;
- scoped_ptr<TilingSetRasterQueueAll> tiling_set_queue = make_scoped_ptr(
- new TilingSetRasterQueueAll(tiling_set, prioritize_low_res));
- // Queues will only contain non empty tiling sets.
- if (!tiling_set_queue->IsEmpty())
- queues->push_back(tiling_set_queue.Pass());
- }
- queues->make_heap(RasterOrderComparator(tree_priority));
-}
-
-} // namespace
-
-RasterTilePriorityQueueAll::RasterTilePriorityQueueAll() {
-}
-
-RasterTilePriorityQueueAll::~RasterTilePriorityQueueAll() {
-}
-
-void RasterTilePriorityQueueAll::Build(
- const std::vector<PictureLayerImpl*>& active_layers,
- const std::vector<PictureLayerImpl*>& pending_layers,
- TreePriority tree_priority) {
- tree_priority_ = tree_priority;
-
- CreateTilingSetRasterQueues(active_layers, tree_priority_, &active_queues_);
- CreateTilingSetRasterQueues(pending_layers, tree_priority_, &pending_queues_);
-}
-
-bool RasterTilePriorityQueueAll::IsEmpty() const {
- return active_queues_.empty() && pending_queues_.empty();
-}
-
-const PrioritizedTile& RasterTilePriorityQueueAll::Top() const {
- DCHECK(!IsEmpty());
- const ScopedPtrVector<TilingSetRasterQueueAll>& next_queues = GetNextQueues();
- return next_queues.front()->Top();
-}
-
-void RasterTilePriorityQueueAll::Pop() {
- DCHECK(!IsEmpty());
-
- ScopedPtrVector<TilingSetRasterQueueAll>& next_queues = GetNextQueues();
- next_queues.pop_heap(RasterOrderComparator(tree_priority_));
- TilingSetRasterQueueAll* queue = next_queues.back();
- queue->Pop();
-
- // Remove empty queues.
- if (queue->IsEmpty())
- next_queues.pop_back();
- else
- next_queues.push_heap(RasterOrderComparator(tree_priority_));
-}
-
-ScopedPtrVector<TilingSetRasterQueueAll>&
-RasterTilePriorityQueueAll::GetNextQueues() {
- return const_cast<ScopedPtrVector<TilingSetRasterQueueAll>&>(
- static_cast<const RasterTilePriorityQueueAll*>(this)->GetNextQueues());
-}
-
-const ScopedPtrVector<TilingSetRasterQueueAll>&
-RasterTilePriorityQueueAll::GetNextQueues() const {
- DCHECK(!IsEmpty());
-
- // If we only have one queue with tiles, return it.
- if (active_queues_.empty())
- return pending_queues_;
- if (pending_queues_.empty())
- return active_queues_;
-
- const PrioritizedTile& active_tile = active_queues_.front()->Top();
- const PrioritizedTile& pending_tile = pending_queues_.front()->Top();
-
- const TilePriority& active_priority = active_tile.priority();
- const TilePriority& pending_priority = pending_tile.priority();
-
- switch (tree_priority_) {
- case SMOOTHNESS_TAKES_PRIORITY: {
- // If we're down to eventually bin tiles on the active tree, process the
- // pending tree to allow tiles required for activation to be initialized
- // when memory policy only allows prepaint.
- if (active_priority.priority_bin == TilePriority::EVENTUALLY &&
- pending_priority.priority_bin == TilePriority::NOW) {
- return pending_queues_;
- }
- return active_queues_;
- }
- case NEW_CONTENT_TAKES_PRIORITY: {
- // If we're down to soon bin tiles on the pending tree, process the
- // active tree to allow tiles required for activation to be initialized
- // when memory policy only allows prepaint. Note that active required for
- // activation tiles might come from either now or soon bins.
- if (pending_priority.priority_bin >= TilePriority::SOON &&
- active_priority.priority_bin <= TilePriority::SOON) {
- return active_queues_;
- }
- return pending_queues_;
- }
- case SAME_PRIORITY_FOR_BOTH_TREES: {
- if (active_priority.IsHigherPriorityThan(pending_priority))
- return active_queues_;
- return pending_queues_;
- }
- default:
- NOTREACHED();
- return active_queues_;
- }
-}
-
-} // namespace cc
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