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/*
* Copyright 2020 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "bench/Benchmark.h"
#include "include/core/SkFont.h"
#include "include/core/SkTypeface.h"
#include "include/gpu/GrDirectContext.h"
#include "include/gpu/GrRecordingContext.h"
#include "src/core/SkStrikeCache.h"
#include "src/core/SkUtils.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/SkGr.h"
#include "src/gpu/text/GrStrikeCache.h"
#include "src/gpu/text/GrTextBlob.h"
#include "src/utils/SkUTF.h"
// From Project Guttenberg. This is UTF-8 text.
static const char* gText =
"Call me Ishmael. Some years ago--never mind how long precisely";
class DirectMaskGlyphVertexFillBenchmark : public Benchmark {
bool isSuitableFor(Backend backend) override {
return backend == kGPU_Backend;
}
const char* onGetName() override {
return "DirectMaskGlyphVertexFillBenchmark";
}
void onPerCanvasPreDraw(SkCanvas* canvas) override {
auto typeface = SkTypeface::MakeFromName("monospace", SkFontStyle());
SkFont font(typeface);
SkMatrix view = SkMatrix::I();
size_t len = strlen(gText);
SkGlyphRunBuilder builder;
SkPaint paint;
auto glyphRunList = builder.textToGlyphRunList(font, paint, gText, len, {100, 100});
SkASSERT(!glyphRunList.empty());
SkSurfaceProps props;
if (canvas) { canvas->getProps(&props); }
auto colorSpace = SkColorSpace::MakeSRGB();
SkGlyphRunListPainter painter{props, kUnknown_SkColorType,
colorSpace.get(), SkStrikeCache::GlobalStrikeCache()};
SkMatrix drawMatrix = view;
const SkPoint drawOrigin = glyphRunList.origin();
drawMatrix.preTranslate(drawOrigin.x(), drawOrigin.y());
GrSDFTControl control{false, props.isUseDeviceIndependentFonts(), 256, 256};
fBlob = GrTextBlob::Make(glyphRunList, paint, drawMatrix, false, control, &painter);
const GrAtlasSubRun* subRun = fBlob->testingOnlyFirstSubRun();
SkASSERT(subRun);
subRun->testingOnly_packedGlyphIDToGrGlyph(&fCache);
fVertices.reset(new char[subRun->vertexStride(drawMatrix) * subRun->glyphCount() * 4]);
}
void onDraw(int loops, SkCanvas* canvas) override {
const GrAtlasSubRun* subRun = fBlob->testingOnlyFirstSubRun();
SkASSERT(subRun);
SkIRect clip = SkIRect::MakeEmpty();
SkPaint paint;
GrColor grColor = SkColorToPremulGrColor(paint.getColor());
SkMatrix positionMatrix = SkMatrix::Translate(100, 100);
for (int loop = 0; loop < loops; loop++) {
subRun->fillVertexData(fVertices.get(), 0, subRun->glyphCount(),
grColor, positionMatrix, {0, 0}, clip);
}
}
private:
sk_sp<GrTextBlob> fBlob;
GrStrikeCache fCache;
std::unique_ptr<char[]> fVertices;
};
DEF_BENCH(return new DirectMaskGlyphVertexFillBenchmark{});
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