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// Copyright 2012 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/tile_priority.h"
#include "base/trace_event/trace_event_argument.h"
#include "base/values.h"
#include "cc/base/math_util.h"
namespace cc {
std::string WhichTreeToString(WhichTree tree) {
switch (tree) {
case ACTIVE_TREE:
return "ACTIVE_TREE";
case PENDING_TREE:
return "PENDING_TREE";
default:
DCHECK(false) << "Unrecognized WhichTree value " << tree;
return "<unknown WhichTree value>";
}
}
std::string TileResolutionToString(TileResolution resolution) {
switch (resolution) {
case LOW_RESOLUTION:
return "LOW_RESOLUTION";
case HIGH_RESOLUTION:
return "HIGH_RESOLUTION";
case NON_IDEAL_RESOLUTION:
return "NON_IDEAL_RESOLUTION";
}
DCHECK(false) << "Unrecognized TileResolution value " << resolution;
return "<unknown TileResolution value>";
}
std::string TilePriorityBinToString(TilePriority::PriorityBin bin) {
switch (bin) {
case TilePriority::NOW:
return "NOW";
case TilePriority::SOON:
return "SOON";
case TilePriority::EVENTUALLY:
return "EVENTUALLY";
}
DCHECK(false) << "Unrecognized TilePriority::PriorityBin value " << bin;
return "<unknown TilePriority::PriorityBin value>";
}
void TilePriority::AsValueInto(base::trace_event::TracedValue* state) const {
state->SetString("resolution", TileResolutionToString(resolution));
state->SetString("priority_bin", TilePriorityBinToString(priority_bin));
state->SetDouble("distance_to_visible",
MathUtil::AsDoubleSafely(distance_to_visible));
}
std::string TileMemoryLimitPolicyToString(TileMemoryLimitPolicy policy) {
switch (policy) {
case ALLOW_NOTHING:
return "ALLOW_NOTHING";
case ALLOW_ABSOLUTE_MINIMUM:
return "ALLOW_ABSOLUTE_MINIMUM";
case ALLOW_PREPAINT_ONLY:
return "ALLOW_PREPAINT_ONLY";
case ALLOW_ANYTHING:
return "ALLOW_ANYTHING";
default:
DCHECK(false) << "Unrecognized policy value";
return "<unknown>";
}
}
std::string TreePriorityToString(TreePriority prio) {
switch (prio) {
case SAME_PRIORITY_FOR_BOTH_TREES:
return "SAME_PRIORITY_FOR_BOTH_TREES";
case SMOOTHNESS_TAKES_PRIORITY:
return "SMOOTHNESS_TAKES_PRIORITY";
case NEW_CONTENT_TAKES_PRIORITY:
return "NEW_CONTENT_TAKES_PRIORITY";
default:
DCHECK(false) << "Unrecognized priority value " << prio;
return "<unknown>";
}
}
void GlobalStateThatImpactsTilePriority::AsValueInto(
base::trace_event::TracedValue* state) const {
state->SetString("memory_limit_policy",
TileMemoryLimitPolicyToString(memory_limit_policy));
state->SetInteger("soft_memory_limit_in_bytes", soft_memory_limit_in_bytes);
state->SetInteger("hard_memory_limit_in_bytes", hard_memory_limit_in_bytes);
state->SetInteger("num_resources_limit", num_resources_limit);
state->SetString("tree_priority", TreePriorityToString(tree_priority));
}
} // namespace cc
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