skia2/bench/GlyphQuadFillBench.cpp
Herb Derby c27d535fc2 benchmark for text vertex fill
Change-Id: If293360e2473be6d316cbfeccf8ec3ebeba2df1d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309779
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2020-08-14 16:03:57 +00:00

82 lines
2.8 KiB
C++

/*
* 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/SkUtils.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/GrRenderTargetContext.h"
#include "src/gpu/SkGr.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;
builder.drawTextUTF8(paint, font, gText, len, {100, 100});
auto glyphRunList = builder.useGlyphRunList();
SkASSERT(!glyphRunList.empty());
fBlob = GrTextBlob::Make(glyphRunList, view);
SkSurfaceProps props{SkSurfaceProps::kLegacyFontHost_InitType};
auto colorSpace = SkColorSpace::MakeSRGB();
SkGlyphRunListPainter painter{props, kUnknown_SkColorType,
colorSpace.get(), SkStrikeCache::GlobalStrikeCache()};
GrSDFTOptions options{256, 256};
painter.processGlyphRunList(
glyphRunList, view, props, false, options, fBlob.get());
SkASSERT(fBlob->subRunList().head() != nullptr);
GrAtlasSubRun* subRun = static_cast<GrAtlasSubRun*>(fBlob->subRunList().head());
subRun->testingOnly_packedGlyphIDToGrGlyph(&fCache);
fVertices.reset(new char[subRun->vertexStride() * subRun->glyphCount() * 4]);
}
void onDraw(int loops, SkCanvas* canvas) override {
GrAtlasSubRun* subRun = static_cast<GrAtlasSubRun*>(fBlob->subRunList().head());
SkIRect clip = SkIRect::MakeEmpty();
SkPaint paint;
GrColor grColor = SkColorToPremulGrColor(paint.getColor());
for (int loop = 0; loop < loops; loop++) {
subRun->fillVertexData(fVertices.get(), 0, subRun->glyphCount(),
grColor, SkMatrix::I(), {100, 100}, clip);
}
}
private:
sk_sp<GrTextBlob> fBlob;
GrStrikeCache fCache;
std::unique_ptr<char[]> fVertices;
};
DEF_BENCH(return new DirectMaskGlyphVertexFillBenchmark{});