1aea903381
Added changes for public.bzl
This is a reland of commit 4a375fe213
Original change's description:
> Move SkSubRun to src/text
>
> Change-Id: I5c1040b8236dc792de20495a3fea3c0be6e31c20
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/549847
> Reviewed-by: Brian Osman <brianosman@google.com>
> Commit-Queue: Herb Derby <herb@google.com>
Change-Id: I86e342a416a3c97bf972c496b93b37e35cd09c19
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/550496
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
85 lines
2.6 KiB
C++
85 lines
2.6 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 "include/core/SkFont.h"
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#include "include/core/SkTypeface.h"
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#include "src/core/SkGlyphBuffer.h"
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#include "src/core/SkScalerCache.h"
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#include "src/core/SkStrikeSpec.h"
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#include "src/core/SkTaskGroup.h"
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#include "src/text/GlyphRun.h"
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#include "tests/Test.h"
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#include "tools/ToolUtils.h"
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#include <atomic>
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class Barrier {
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public:
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Barrier(int threadCount) : fThreadCount(threadCount) { }
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void waitForAll() {
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fThreadCount -= 1;
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while (fThreadCount > 0) { }
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}
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private:
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std::atomic<int> fThreadCount;
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};
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DEF_TEST(SkScalerCacheMultiThread, Reporter) {
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sk_sp<SkTypeface> typeface =
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ToolUtils::create_portable_typeface("serif", SkFontStyle::Italic());
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static constexpr int kThreadCount = 4;
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Barrier barrier{kThreadCount};
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SkFont font;
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font.setEdging(SkFont::Edging::kAntiAlias);
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font.setSubpixel(true);
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font.setTypeface(typeface);
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SkGlyphID glyphs['z'];
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SkPoint pos['z'];
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for (int c = ' '; c < 'z'; c++) {
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glyphs[c] = font.unicharToGlyph(c);
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pos[c] = {30.0f * c + 30, 30.0f};
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}
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constexpr size_t glyphCount = 'z' - ' ';
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auto data = SkMakeZip(glyphs, pos).subspan(SkTo<int>(' '), glyphCount);
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SkPaint defaultPaint;
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SkStrikeSpec strikeSpec = SkStrikeSpec::MakeMask(
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font, defaultPaint, SkSurfaceProps(0, kUnknown_SkPixelGeometry),
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SkScalerContextFlags::kNone, SkMatrix::I());
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// Make our own executor so the --threads parameter doesn't mess things up.
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auto executor = SkExecutor::MakeFIFOThreadPool(kThreadCount);
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for (int tries = 0; tries < 100; tries++) {
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SkScalerCache scalerCache{strikeSpec.createScalerContext()};
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auto perThread = [&](int threadIndex) {
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barrier.waitForAll();
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auto local = data.subspan(threadIndex * 2, data.size() - kThreadCount * 2);
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for (int i = 0; i < 100; i++) {
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SkDrawableGlyphBuffer accepted;
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SkSourceGlyphBuffer rejected;
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accepted.ensureSize(glyphCount);
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rejected.setSource(local);
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accepted.startDevicePositioning(
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rejected.source(), SkMatrix::I(), scalerCache.roundingSpec());
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scalerCache.prepareForMaskDrawing(&accepted, &rejected);
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rejected.flipRejectsToSource();
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accepted.reset();
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}
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};
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SkTaskGroup(*executor).batch(kThreadCount, perThread);
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}
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}
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