mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-13 18:27:35 +00:00
a8939590de
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
153 lines
3.8 KiB
C++
153 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "FrameUniformityData.h"
|
|
|
|
#include <map>
|
|
|
|
#include "Units.h"
|
|
#include "gfxPoint.h"
|
|
#include "mozilla/TimeStamp.h"
|
|
#include "mozilla/dom/APZTestDataBinding.h"
|
|
#include "mozilla/dom/ToJSValue.h"
|
|
#include "nsTArray.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
using namespace gfx;
|
|
|
|
Point
|
|
LayerTransforms::GetAverage()
|
|
{
|
|
MOZ_ASSERT(!mTransforms.IsEmpty());
|
|
|
|
Point current = mTransforms[0];
|
|
Point average;
|
|
size_t length = mTransforms.Length();
|
|
|
|
for (size_t i = 1; i < length; i++) {
|
|
Point nextTransform = mTransforms[i];
|
|
Point movement = nextTransform - current;
|
|
average += Point(std::fabs(movement.x), std::fabs(movement.y));
|
|
current = nextTransform;
|
|
}
|
|
|
|
average = average / (float) length;
|
|
return average;
|
|
}
|
|
|
|
Point
|
|
LayerTransforms::GetStdDev()
|
|
{
|
|
Point average = GetAverage();
|
|
Point stdDev;
|
|
Point current = mTransforms[0];
|
|
|
|
for (size_t i = 1; i < mTransforms.Length(); i++) {
|
|
Point next = mTransforms[i];
|
|
Point move = next - current;
|
|
move.x = fabs(move.x);
|
|
move.y = fabs(move.y);
|
|
|
|
Point diff = move - average;
|
|
diff.x = diff.x * diff.x;
|
|
diff.y = diff.y * diff.y;
|
|
stdDev += diff;
|
|
|
|
current = next;
|
|
}
|
|
|
|
stdDev = stdDev / mTransforms.Length();
|
|
stdDev.x = sqrt(stdDev.x);
|
|
stdDev.y = sqrt(stdDev.y);
|
|
return stdDev;
|
|
}
|
|
|
|
LayerTransformRecorder::~LayerTransformRecorder()
|
|
{
|
|
Reset();
|
|
}
|
|
|
|
void
|
|
LayerTransformRecorder::RecordTransform(Layer* aLayer, const Point& aTransform)
|
|
{
|
|
LayerTransforms* layerTransforms = GetLayerTransforms((uintptr_t) aLayer);
|
|
layerTransforms->mTransforms.AppendElement(aTransform);
|
|
}
|
|
|
|
void
|
|
LayerTransformRecorder::EndTest(FrameUniformityData* aOutData)
|
|
{
|
|
for (auto iter = mFrameTransforms.begin(); iter != mFrameTransforms.end(); ++iter) {
|
|
uintptr_t layer = iter->first;
|
|
float uniformity = CalculateFrameUniformity(layer);
|
|
|
|
std::pair<uintptr_t,float> result(layer, uniformity);
|
|
aOutData->mUniformities.insert(result);
|
|
}
|
|
|
|
Reset();
|
|
}
|
|
|
|
LayerTransforms*
|
|
LayerTransformRecorder::GetLayerTransforms(uintptr_t aLayer)
|
|
{
|
|
if (!mFrameTransforms.count(aLayer)) {
|
|
LayerTransforms* newTransform = new LayerTransforms();
|
|
std::pair<uintptr_t, LayerTransforms*> newLayer(aLayer, newTransform);
|
|
mFrameTransforms.insert(newLayer);
|
|
}
|
|
|
|
return mFrameTransforms.find(aLayer)->second;
|
|
}
|
|
|
|
void
|
|
LayerTransformRecorder::Reset()
|
|
{
|
|
for (auto iter = mFrameTransforms.begin(); iter != mFrameTransforms.end(); ++iter) {
|
|
LayerTransforms* layerTransforms = iter->second;
|
|
delete layerTransforms;
|
|
}
|
|
|
|
mFrameTransforms.clear();
|
|
}
|
|
|
|
float
|
|
LayerTransformRecorder::CalculateFrameUniformity(uintptr_t aLayer)
|
|
{
|
|
LayerTransforms* layerTransform = GetLayerTransforms(aLayer);
|
|
float yUniformity = -1;
|
|
if (!layerTransform->mTransforms.IsEmpty()) {
|
|
Point stdDev = layerTransform->GetStdDev();
|
|
yUniformity = stdDev.y;
|
|
}
|
|
return yUniformity;
|
|
}
|
|
|
|
bool
|
|
FrameUniformityData::ToJS(JS::MutableHandleValue aOutValue, JSContext* aContext)
|
|
{
|
|
dom::FrameUniformityResults results;
|
|
dom::Sequence<dom::FrameUniformity>& layers = results.mLayerUniformities.Construct();
|
|
|
|
for (auto iter = mUniformities.begin(); iter != mUniformities.end(); ++iter) {
|
|
uintptr_t layerAddr = iter->first;
|
|
float uniformity = iter->second;
|
|
|
|
// FIXME: Make this infallible after bug 968520 is done.
|
|
MOZ_ALWAYS_TRUE(layers.AppendElement(fallible));
|
|
dom::FrameUniformity& entry = layers.LastElement();
|
|
|
|
entry.mLayerAddress.Construct() = layerAddr;
|
|
entry.mFrameUniformity.Construct() = uniformity;
|
|
}
|
|
|
|
return dom::ToJSValue(aContext, results, aOutValue);
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|