ef094235dc
Pull out the glyph positioning code in anticipations of removing simplifyDrawText. This is part of a larger CL: https://skia-review.googlesource.com/c/skia/+/388719 Change-Id: I935fd91f70d708a7a30785b6eea8e4e7c1f9c739 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/392416 Reviewed-by: Ben Wagner <bungeman@google.com> Commit-Queue: Herb Derby <herb@google.com>
85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
/*
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* Copyright 2020 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "bench/Benchmark.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkTypeface.h"
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#include "include/gpu/GrDirectContext.h"
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#include "include/gpu/GrRecordingContext.h"
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#include "src/core/SkUtils.h"
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#include "src/gpu/GrRecordingContextPriv.h"
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#include "src/gpu/GrSurfaceDrawContext.h"
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#include "src/gpu/SkGr.h"
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#include "src/gpu/text/GrTextBlob.h"
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#include "src/utils/SkUTF.h"
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// From Project Guttenberg. This is UTF-8 text.
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static const char* gText =
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"Call me Ishmael. Some years ago--never mind how long precisely";
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class DirectMaskGlyphVertexFillBenchmark : public Benchmark {
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bool isSuitableFor(Backend backend) override {
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return backend == kGPU_Backend;
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}
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const char* onGetName() override {
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return "DirectMaskGlyphVertexFillBenchmark";
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}
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void onPerCanvasPreDraw(SkCanvas* canvas) override {
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auto typeface = SkTypeface::MakeFromName("monospace", SkFontStyle());
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SkFont font(typeface);
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SkMatrix view = SkMatrix::I();
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size_t len = strlen(gText);
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SkGlyphRunBuilder builder;
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SkPaint paint;
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auto glyphRunList = builder.textToGlyphRunList(font, gText, len, {100, 100});
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SkASSERT(!glyphRunList.empty());
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SkSurfaceProps props;
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if (canvas) { canvas->getProps(&props); }
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auto colorSpace = SkColorSpace::MakeSRGB();
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SkGlyphRunListPainter painter{props, kUnknown_SkColorType,
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colorSpace.get(), SkStrikeCache::GlobalStrikeCache()};
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SkMatrix drawMatrix = view;
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const SkPoint drawOrigin = glyphRunList.origin();
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drawMatrix.preTranslate(drawOrigin.x(), drawOrigin.y());
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GrSDFTControl control{false, props.isUseDeviceIndependentFonts(), 256, 256};
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fBlob = GrTextBlob::Make(glyphRunList, paint, drawMatrix, control, &painter);
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SkASSERT(!fBlob->subRunList().isEmpty());
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GrAtlasSubRun* subRun = fBlob->subRunList().front().testingOnly_atlasSubRun();
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SkASSERT(subRun);
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subRun->testingOnly_packedGlyphIDToGrGlyph(&fCache);
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fVertices.reset(new char[subRun->vertexStride(drawMatrix) * subRun->glyphCount() * 4]);
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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GrAtlasSubRun* subRun = fBlob->subRunList().front().testingOnly_atlasSubRun();
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SkASSERT(subRun);
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SkIRect clip = SkIRect::MakeEmpty();
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SkPaint paint;
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GrColor grColor = SkColorToPremulGrColor(paint.getColor());
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SkMatrix positionMatrix = SkMatrix::Translate(100, 100);
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for (int loop = 0; loop < loops; loop++) {
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subRun->fillVertexData(fVertices.get(), 0, subRun->glyphCount(),
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grColor, positionMatrix, clip);
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}
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}
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private:
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sk_sp<GrTextBlob> fBlob;
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GrStrikeCache fCache;
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std::unique_ptr<char[]> fVertices;
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};
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DEF_BENCH(return new DirectMaskGlyphVertexFillBenchmark{});
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