зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.5 KiB
C++
80 строки
2.5 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 "mozilla/gfx/Point.h" // for IntSize, Point
|
|
#include "mozilla/gfx/Rect.h" // for Rect
|
|
#include "mozilla/gfx/Types.h" // for Color, SurfaceFormat
|
|
#include "mozilla/layers/Compositor.h" // for Compositor
|
|
#include "mozilla/layers/CompositorTypes.h"
|
|
#include "mozilla/layers/Effects.h" // for Effect, EffectChain, etc
|
|
#include "mozilla/TimeStamp.h" // for TimeStamp, TimeDuration
|
|
#include "mozilla/Sprintf.h"
|
|
|
|
#include "mozilla/gfx/HelpersSkia.h"
|
|
#include "PaintCounter.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
using namespace mozilla::gfx;
|
|
|
|
// Positioned below the chrome UI
|
|
IntRect PaintCounter::mRect = IntRect(0, 175, 300, 60);
|
|
|
|
PaintCounter::PaintCounter()
|
|
{
|
|
mFormat = SurfaceFormat::B8G8R8A8;
|
|
mSurface = Factory::CreateDataSourceSurface(mRect.Size(), mFormat);
|
|
mStride = mSurface->Stride();
|
|
|
|
mCanvas =
|
|
SkCanvas::MakeRasterDirect(MakeSkiaImageInfo(mRect.Size(), mFormat),
|
|
mSurface->GetData(), mStride);
|
|
mCanvas->clear(SK_ColorWHITE);
|
|
}
|
|
|
|
PaintCounter::~PaintCounter()
|
|
{
|
|
mSurface = nullptr;
|
|
mTextureSource = nullptr;
|
|
mTexturedEffect = nullptr;
|
|
}
|
|
|
|
void
|
|
PaintCounter::Draw(Compositor* aCompositor, TimeDuration aPaintTime, TimeDuration aCompositeTime) {
|
|
char buffer[48];
|
|
SprintfLiteral(buffer, "P: %.2f C: %.2f",
|
|
aPaintTime.ToMilliseconds(),
|
|
aCompositeTime.ToMilliseconds());
|
|
|
|
SkPaint paint;
|
|
paint.setTextSize(32);
|
|
paint.setColor(SkColorSetRGB(0, 255, 0));
|
|
paint.setAntiAlias(true);
|
|
|
|
mCanvas->clear(SK_ColorTRANSPARENT);
|
|
mCanvas->drawText(buffer, strlen(buffer), 10, 30, paint);
|
|
mCanvas->flush();
|
|
|
|
if (!mTextureSource) {
|
|
mTextureSource = aCompositor->CreateDataTextureSource();
|
|
mTexturedEffect = CreateTexturedEffect(mFormat, mTextureSource,
|
|
SamplingFilter::POINT, true);
|
|
mTexturedEffect->mTextureCoords = Rect(0, 0, 1.0f, 1.0f);
|
|
}
|
|
|
|
mTextureSource->Update(mSurface);
|
|
|
|
EffectChain effectChain;
|
|
effectChain.mPrimaryEffect = mTexturedEffect;
|
|
|
|
gfx::Matrix4x4 identity;
|
|
Rect rect(mRect.x, mRect.y, mRect.Width(), mRect.Height());
|
|
aCompositor->DrawQuad(rect, mRect, effectChain, 1.0, identity);
|
|
}
|
|
|
|
} // end namespace layers
|
|
} // end namespace mozilla
|