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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <hwui/Paint.h>
#include <minikin/Layout.h>
#include <string>
#include "TestSceneBase.h"
class SaveLayer2Animation;
static TestScene::Registrar _SaveLayer(TestScene::Info{
"savelayer2",
"Interleaving 20 drawText/drawRect ops with saveLayer"
"Tests the clipped saveLayer performance and FBO switching overhead.",
TestScene::simpleCreateScene<SaveLayer2Animation>});
class SaveLayer2Animation : public TestScene {
public:
Paint mBluePaint;
Paint mGreenPaint;
void createContent(int width, int height, Canvas& canvas) override {
canvas.drawColor(SkColorSetARGB(255, 255, 0, 0), SkBlendMode::kSrcOver);
SkIRect bounds = SkIRect::MakeWH(width, height);
int regions = 20;
int smallRectHeight = (bounds.height() / regions);
int padding = smallRectHeight / 4;
int top = bounds.fTop;
mBluePaint.setColor(SkColorSetARGB(255, 0, 0, 255));
mBluePaint.setTextSize(padding);
mBluePaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
mGreenPaint.setColor(SkColorSetARGB(255, 0, 255, 0));
mGreenPaint.setTextSize(padding);
mGreenPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
// interleave drawText and drawRect with saveLayer ops
for (int i = 0; i < regions; i++, top += smallRectHeight) {
canvas.saveLayer(bounds.fLeft, top, bounds.fRight, top + padding, &mBluePaint,
SaveFlags::ClipToLayer | SaveFlags::MatrixClip);
canvas.drawColor(SkColorSetARGB(255, 255, 255, 0), SkBlendMode::kSrcOver);
std::string stri = std::to_string(i);
std::string offscreen = "offscreen line " + stri;
std::unique_ptr<uint16_t[]> offtext = TestUtils::asciiToUtf16(offscreen.c_str());
canvas.drawText(offtext.get(), 0, offscreen.length(), offscreen.length(), bounds.fLeft,
top + padding, minikin::Bidi::FORCE_LTR, mBluePaint, nullptr);
canvas.restore();
canvas.drawRect(bounds.fLeft, top + padding, bounds.fRight,
top + smallRectHeight - padding, mBluePaint);
std::string onscreen = "onscreen line " + stri;
std::unique_ptr<uint16_t[]> ontext = TestUtils::asciiToUtf16(onscreen.c_str());
canvas.drawText(ontext.get(), 0, onscreen.length(), onscreen.length(), bounds.fLeft,
top + smallRectHeight - padding, minikin::Bidi::FORCE_LTR, mGreenPaint,
nullptr);
}
}
void doFrame(int frameNr) override {}
};
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