skia2/tests/SkRemoteGlyphCacheTest.cpp
Herb Derby 7cb61889c5 convertToBlob added to remote glyphs cache
Have the AnalysisCanvas (also known as the diff canvas) convert
SkTextBlobs to GrSlugs and record the Strike differences. Make sure
these differences are tracked and recorded.

Bug: chromium:1278340

Change-Id: I2c8d62fa61511abd1e14d4bf595e6db1a0b5e26b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/503827
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2022-02-03 20:36:44 +00:00

1026 lines
41 KiB
C++

/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkBitmap.h"
#include "include/core/SkGraphics.h"
#include "include/core/SkSurface.h"
#include "include/core/SkTextBlob.h"
#include "include/gpu/GrDirectContext.h"
#include "include/private/SkMutex.h"
#include "include/private/chromium/GrSlug.h"
#include "include/private/chromium/SkChromeRemoteGlyphCache.h"
#include "src/core/SkDraw.h"
#include "src/core/SkFontPriv.h"
#include "src/core/SkScalerCache.h"
#include "src/core/SkStrikeCache.h"
#include "src/core/SkStrikeSpec.h"
#include "src/core/SkSurfacePriv.h"
#include "src/core/SkTypeface_remote.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/text/GrSDFTControl.h"
#include "tests/Test.h"
#include "tools/Resources.h"
#include "tools/ToolUtils.h"
#include "tools/fonts/TestEmptyTypeface.h"
class DiscardableManager : public SkStrikeServer::DiscardableHandleManager,
public SkStrikeClient::DiscardableHandleManager {
public:
DiscardableManager() { sk_bzero(&fCacheMissCount, sizeof(fCacheMissCount)); }
~DiscardableManager() override = default;
// Server implementation.
SkDiscardableHandleId createHandle() override {
SkAutoMutexExclusive l(fMutex);
// Handles starts as locked.
fLockedHandles.add(++fNextHandleId);
return fNextHandleId;
}
bool lockHandle(SkDiscardableHandleId id) override {
SkAutoMutexExclusive l(fMutex);
if (id <= fLastDeletedHandleId) return false;
fLockedHandles.add(id);
return true;
}
// Client implementation.
bool deleteHandle(SkDiscardableHandleId id) override {
SkAutoMutexExclusive l(fMutex);
return id <= fLastDeletedHandleId;
}
void notifyCacheMiss(SkStrikeClient::CacheMissType type, int fontSize) override {
SkAutoMutexExclusive l(fMutex);
fCacheMissCount[type]++;
}
bool isHandleDeleted(SkDiscardableHandleId id) override {
SkAutoMutexExclusive l(fMutex);
return id <= fLastDeletedHandleId;
}
void unlockAll() {
SkAutoMutexExclusive l(fMutex);
fLockedHandles.reset();
}
void unlockAndDeleteAll() {
SkAutoMutexExclusive l(fMutex);
fLockedHandles.reset();
fLastDeletedHandleId = fNextHandleId;
}
const SkTHashSet<SkDiscardableHandleId>& lockedHandles() const {
SkAutoMutexExclusive l(fMutex);
return fLockedHandles;
}
SkDiscardableHandleId handleCount() {
SkAutoMutexExclusive l(fMutex);
return fNextHandleId;
}
int cacheMissCount(uint32_t type) {
SkAutoMutexExclusive l(fMutex);
return fCacheMissCount[type];
}
bool hasCacheMiss() const {
SkAutoMutexExclusive l(fMutex);
for (uint32_t i = 0; i <= SkStrikeClient::CacheMissType::kLast; ++i) {
if (fCacheMissCount[i] > 0) { return true; }
}
return false;
}
void resetCacheMissCounts() {
SkAutoMutexExclusive l(fMutex);
sk_bzero(&fCacheMissCount, sizeof(fCacheMissCount));
}
private:
// The tests below run in parallel on multiple threads and use the same
// process global SkStrikeCache. So the implementation needs to be
// thread-safe.
mutable SkMutex fMutex;
SkDiscardableHandleId fNextHandleId = 0u;
SkDiscardableHandleId fLastDeletedHandleId = 0u;
SkTHashSet<SkDiscardableHandleId> fLockedHandles;
int fCacheMissCount[SkStrikeClient::CacheMissType::kLast + 1u];
};
sk_sp<SkTextBlob> buildTextBlob(sk_sp<SkTypeface> tf, int glyphCount) {
SkFont font;
font.setTypeface(tf);
font.setHinting(SkFontHinting::kNormal);
font.setSize(1u);
font.setEdging(SkFont::Edging::kAntiAlias);
font.setSubpixel(true);
SkTextBlobBuilder builder;
SkRect bounds = SkRect::MakeWH(10, 10);
const auto& runBuffer = builder.allocRunPosH(font, glyphCount, 0, &bounds);
SkASSERT(runBuffer.utf8text == nullptr);
SkASSERT(runBuffer.clusters == nullptr);
for (int i = 0; i < glyphCount; i++) {
runBuffer.glyphs[i] = static_cast<SkGlyphID>(i);
runBuffer.pos[i] = SkIntToScalar(i);
}
return builder.make();
}
static void compare_blobs(const SkBitmap& expected, const SkBitmap& actual,
skiatest::Reporter* reporter, int tolerance = 0) {
SkASSERT(expected.width() == actual.width());
SkASSERT(expected.height() == actual.height());
for (int i = 0; i < expected.width(); ++i) {
for (int j = 0; j < expected.height(); ++j) {
SkColor expectedColor = expected.getColor(i, j);
SkColor actualColor = actual.getColor(i, j);
if (0 == tolerance) {
REPORTER_ASSERT(reporter, expectedColor == actualColor);
} else {
for (int k = 0; k < 4; ++k) {
int expectedChannel = (expectedColor >> (k*8)) & 0xff;
int actualChannel = (actualColor >> (k*8)) & 0xff;
REPORTER_ASSERT(reporter, abs(expectedChannel - actualChannel) <= tolerance);
}
}
}
}
}
sk_sp<SkSurface> MakeSurface(int width, int height, GrRecordingContext* rContext) {
const SkImageInfo info =
SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType);
return SkSurface::MakeRenderTarget(rContext, SkBudgeted::kNo, info);
}
SkSurfaceProps FindSurfaceProps(GrRecordingContext* rContext) {
auto surface = MakeSurface(1, 1, rContext);
return surface->props();
}
SkBitmap RasterBlob(sk_sp<SkTextBlob> blob, int width, int height, const SkPaint& paint,
GrRecordingContext* rContext, const SkMatrix* matrix = nullptr,
SkScalar x = 0) {
auto surface = MakeSurface(width, height, rContext);
if (matrix) {
surface->getCanvas()->concat(*matrix);
}
surface->getCanvas()->drawTextBlob(blob.get(), x, height/2, paint);
SkBitmap bitmap;
bitmap.allocN32Pixels(width, height);
surface->readPixels(bitmap, 0, 0);
return bitmap;
}
SkBitmap RasterSlug(sk_sp<SkTextBlob> blob, int width, int height, const SkPaint& paint,
GrRecordingContext* rContext, const SkMatrix* matrix = nullptr,
SkScalar x = 0) {
auto surface = MakeSurface(width, height, rContext);
if (matrix) {
surface->getCanvas()->concat(*matrix);
}
auto canvas = surface->getCanvas();
auto slug = GrSlug::ConvertBlob(canvas, *blob, {x, height/2.0f}, paint);
slug->draw(canvas);
SkBitmap bitmap;
bitmap.allocN32Pixels(width, height);
surface->readPixels(bitmap, 0, 0);
return bitmap;
}
DEF_TEST(SkRemoteGlyphCache_TypefaceSerialization, reporter) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
auto server_tf = SkTypeface::MakeDefault();
auto tf_data = server.serializeTypeface(server_tf.get());
auto client_tf = client.deserializeTypeface(tf_data->data(), tf_data->size());
REPORTER_ASSERT(reporter, client_tf);
REPORTER_ASSERT(reporter, static_cast<SkTypefaceProxy*>(client_tf.get())->remoteTypefaceID() ==
server_tf->uniqueID());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_StrikeSerialization, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
const SkPaint paint;
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
auto props = FindSurfaceProps(dContext);
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, dContext->supportsDistanceFieldText());
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto clientBlob = buildTextBlob(clientTf, glyphCount);
SkBitmap expected = RasterBlob(serverBlob, 10, 10, paint, dContext);
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, dContext);
compare_blobs(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
static void use_padding_options(GrContextOptions* options) {
options->fSupportBilerpFromGlyphAtlas = true;
}
DEF_GPUTEST_FOR_CONTEXTS(SkRemoteGlyphCache_StrikeSerializationSlug,
sk_gpu_test::GrContextFactory::IsRenderingContext,
reporter, ctxInfo, use_padding_options) {
auto dContext = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
const SkPaint paint;
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
auto props = FindSurfaceProps(dContext);
std::unique_ptr<SkCanvas> analysisCanvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, dContext->supportsDistanceFieldText());
// Generate strike updates.
(void)GrSlug::ConvertBlob(analysisCanvas.get(), *serverBlob, {0, 0}, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto clientBlob = buildTextBlob(clientTf, glyphCount);
SkBitmap expected = RasterSlug(serverBlob, 10, 10, paint, dContext);
SkBitmap actual = RasterSlug(clientBlob, 10, 10, paint, dContext);
compare_blobs(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_ReleaseTypeFace, reporter, ctxInfo) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
// Server.
auto serverTf = TestEmptyTypeface::Make();
auto serverTfData = server.serializeTypeface(serverTf.get());
REPORTER_ASSERT(reporter, serverTf->unique());
{
const SkPaint paint;
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, ctxInfo.directContext()->supportsDistanceFieldText());
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
REPORTER_ASSERT(reporter, !serverTf->unique());
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
}
REPORTER_ASSERT(reporter, serverTf->unique());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_TEST(SkRemoteGlyphCache_StrikeLockingServer, reporter) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas =
server.makeAnalysisCanvas(10, 10, props, nullptr, true);
SkPaint paint;
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
// The strike from the blob should be locked after it has been drawn on the canvas.
REPORTER_ASSERT(reporter, discardableManager->handleCount() == 1u);
REPORTER_ASSERT(reporter, discardableManager->lockedHandles().count() == 1u);
// Write the strike data and unlock everything. Re-analyzing the blob should lock the handle
// again.
std::vector<uint8_t> fontData;
server.writeStrikeData(&fontData);
discardableManager->unlockAll();
REPORTER_ASSERT(reporter, discardableManager->lockedHandles().count() == 0u);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
REPORTER_ASSERT(reporter, discardableManager->handleCount() == 1u);
REPORTER_ASSERT(reporter, discardableManager->lockedHandles().count() == 1u);
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_TEST(SkRemoteGlyphCache_StrikeDeletionServer, reporter) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas =
server.makeAnalysisCanvas(10, 10, props, nullptr, true);
SkPaint paint;
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
REPORTER_ASSERT(reporter, discardableManager->handleCount() == 1u);
// Write the strike data and delete all the handles. Re-analyzing the blob should create new
// handles.
std::vector<uint8_t> fontData;
server.writeStrikeData(&fontData);
// Another analysis pass, to ensure that deleting handles after a complete cache hit still
// works. This is a regression test for crbug.com/999682.
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
server.writeStrikeData(&fontData);
REPORTER_ASSERT(reporter, discardableManager->handleCount() == 1u);
discardableManager->unlockAndDeleteAll();
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
REPORTER_ASSERT(reporter, discardableManager->handleCount() == 2u);
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_TEST(SkRemoteGlyphCache_StrikePinningClient, reporter) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas =
server.makeAnalysisCanvas(10, 10, props, nullptr, true);
SkPaint paint;
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto* clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size()).get();
// The cache remains alive until it is pinned in the discardable manager.
SkGraphics::PurgeFontCache();
REPORTER_ASSERT(reporter, !clientTf->unique());
// Once the strike is unpinned and purged, SkStrikeClient should be the only owner of the
// clientTf.
discardableManager->unlockAndDeleteAll();
SkGraphics::PurgeFontCache();
REPORTER_ASSERT(reporter, clientTf->unique());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_TEST(SkRemoteGlyphCache_ClientMemoryAccounting, reporter) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas =
server.makeAnalysisCanvas(10, 10, props, nullptr, true);
SkPaint paint;
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_TEST(SkRemoteGlyphCache_PurgesServerEntries, reporter) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
server.setMaxEntriesInDescriptorMapForTesting(1u);
SkStrikeClient client(discardableManager, false);
{
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas =
server.makeAnalysisCanvas(10, 10, props, nullptr, true);
SkPaint paint;
REPORTER_ASSERT(reporter, server.remoteStrikeMapSizeForTesting() == 0u);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
REPORTER_ASSERT(reporter, server.remoteStrikeMapSizeForTesting() == 1u);
}
// Serialize to release the lock from the strike server and delete all current
// handles.
std::vector<uint8_t> fontData;
server.writeStrikeData(&fontData);
discardableManager->unlockAndDeleteAll();
// Use a different typeface. Creating a new strike should evict the previous
// one.
{
auto serverTf = SkTypeface::MakeFromName("Georgia", SkFontStyle());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas =
server.makeAnalysisCanvas(10, 10, props, nullptr, true);
SkPaint paint;
REPORTER_ASSERT(reporter, server.remoteStrikeMapSizeForTesting() == 1u);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
REPORTER_ASSERT(reporter, server.remoteStrikeMapSizeForTesting() == 1u);
}
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_DrawTextAsPath, reporter, ctxInfo) {
auto direct = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(0);
REPORTER_ASSERT(reporter,
SkStrikeSpec::ShouldDrawAsPath(paint, SkFont(), SkMatrix::I()));
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
auto props = FindSurfaceProps(direct);
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, direct->supportsDistanceFieldText());
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto clientBlob = buildTextBlob(clientTf, glyphCount);
SkBitmap expected = RasterBlob(serverBlob, 10, 10, paint, direct);
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, direct);
compare_blobs(expected, actual, reporter, 1);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
sk_sp<SkTextBlob> make_blob_causing_fallback(
sk_sp<SkTypeface> targetTf, const SkTypeface* glyphTf, skiatest::Reporter* reporter) {
SkFont font;
font.setSubpixel(true);
font.setSize(96);
font.setHinting(SkFontHinting::kNormal);
font.setTypeface(targetTf);
REPORTER_ASSERT(reporter,
!SkStrikeSpec::ShouldDrawAsPath(SkPaint(), font, SkMatrix::I()));
char s[] = "Skia";
int runSize = strlen(s);
SkTextBlobBuilder builder;
SkRect bounds = SkRect::MakeIWH(100, 100);
const auto& runBuffer = builder.allocRunPosH(font, runSize, 10, &bounds);
SkASSERT(runBuffer.utf8text == nullptr);
SkASSERT(runBuffer.clusters == nullptr);
SkFont(sk_ref_sp(glyphTf)).textToGlyphs(s, strlen(s), SkTextEncoding::kUTF8,
runBuffer.glyphs, runSize);
SkRect glyphBounds;
font.getWidths(runBuffer.glyphs, 1, nullptr, &glyphBounds);
REPORTER_ASSERT(reporter, glyphBounds.width() > SkStrikeCommon::kSkSideTooBigForAtlas);
for (int i = 0; i < runSize; i++) {
runBuffer.pos[i] = i * 10;
}
return builder.make();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_DrawTextAsMaskWithPathFallback,
reporter, ctxInfo) {
auto direct = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
SkPaint paint;
auto serverTf = MakeResourceAsTypeface("fonts/HangingS.ttf");
// TODO: when the cq bots can handle this font remove the check.
if (serverTf == nullptr) {
return;
}
auto serverTfData = server.serializeTypeface(serverTf.get());
auto serverBlob = make_blob_causing_fallback(serverTf, serverTf.get(), reporter);
auto props = FindSurfaceProps(direct);
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, direct->supportsDistanceFieldText());
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto clientBlob = make_blob_causing_fallback(clientTf, serverTf.get(), reporter);
SkBitmap expected = RasterBlob(serverBlob, 10, 10, paint, direct);
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, direct);
compare_blobs(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
#if 0
// TODO: turn this one when I figure out how to deal with the pixel variance from linear
// interpolation from GPU to GPU.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_DrawTextAsSDFTWithAllARGBFallback,
reporter, ctxInfo) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
SkPaint paint;
auto serverTf = ToolUtils::planet_typeface();
// TODO: when the cq bots can handle this font remove the check.
if (serverTf == nullptr) {
return;
}
auto serverTfData = server.serializeTypeface(serverTf.get());
auto makeBlob = [&reporter](sk_sp<SkTypeface> typeface) {
SkFont font;
font.setSubpixel(true);
font.setSize(96);
font.setHinting(SkFontHinting::kNormal);
font.setTypeface(typeface);
REPORTER_ASSERT(reporter, !SkDraw::ShouldDrawTextAsPaths(font, SkPaint(), SkMatrix::I()));
// Mercury to Uranus.
SkGlyphID glyphs[] = {1, 2, 3, 4, 5, 6, 7, 8};
SkTextBlobBuilder builder;
SkRect bounds = SkRect::MakeIWH(100, 100);
const auto& runBuffer = builder.allocRunPosH(font, SK_ARRAY_COUNT(glyphs), 100, &bounds);
SkASSERT(runBuffer.utf8text == nullptr);
SkASSERT(runBuffer.clusters == nullptr);
std::copy(std::begin(glyphs), std::end(glyphs), runBuffer.glyphs);
for (size_t i = 0; i < SK_ARRAY_COUNT(glyphs); i++) {
runBuffer.pos[i] = i * 100;
}
return builder.make();
};
auto serverBlob = makeBlob(serverTf);
auto props = FindSurfaceProps(ctxInfo.grContext());
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, ctxInfo.directContext()->supportsDistanceFieldText());
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 400, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto clientBlob = makeBlob(clientTf);
SkBitmap expected = RasterBlob(serverBlob, 800, 800, paint, ctxInfo.grContext());
SkBitmap actual = RasterBlob(clientBlob, 800, 800, paint, ctxInfo.grContext());
// Pixel variance can be high because of the atlas placement, and large scaling in the linear
// interpolation.
compare_blobs(expected, actual, reporter, 36);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
#endif
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_DrawTextXY, reporter, ctxInfo) {
auto direct = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
SkPaint paint;
paint.setAntiAlias(true);
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
auto props = FindSurfaceProps(direct);
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, direct->supportsDistanceFieldText());
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0.5, 0, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto clientBlob = buildTextBlob(clientTf, glyphCount);
SkBitmap expected = RasterBlob(serverBlob, 10, 10, paint, direct, nullptr, 0.5);
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, direct, nullptr, 0.5);
compare_blobs(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_DrawTextAsDFT, reporter, ctxInfo) {
auto direct = ctxInfo.directContext();
if (!direct->priv().caps()->shaderCaps()->supportsDistanceFieldText()) {
return;
}
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
SkPaint paint;
SkFont font;
// A scale transform forces fallback to dft.
SkMatrix matrix = SkMatrix::Scale(16, 16);
GrSDFTControl control = direct->priv().asRecordingContext()->priv().getSDFTControl(true);
SkScalar approximateDeviceTextSize = SkFontPriv::ApproximateTransformedTextSize(font, matrix);
REPORTER_ASSERT(reporter, control.isSDFT(approximateDeviceTextSize, paint));
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props;
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
10, 10, props, nullptr, direct->supportsDistanceFieldText());
cache_diff_canvas->concat(matrix);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 0, 0, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
// Client.
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(), serverStrikeData.size()));
auto clientBlob = buildTextBlob(clientTf, glyphCount);
SkBitmap expected = RasterBlob(serverBlob, 10, 10, paint, direct, &matrix);
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, direct, &matrix);
compare_blobs(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_CacheMissReporting, reporter, ctxInfo) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto tfData = server.serializeTypeface(serverTf.get());
auto clientTf = client.deserializeTypeface(tfData->data(), tfData->size());
REPORTER_ASSERT(reporter, clientTf);
int glyphCount = 10;
auto clientBlob = buildTextBlob(clientTf, glyphCount);
// Raster the client-side blob without the glyph data, we should get cache miss notifications.
SkPaint paint;
SkMatrix matrix = SkMatrix::I();
RasterBlob(clientBlob, 10, 10, paint, ctxInfo.directContext(), &matrix);
REPORTER_ASSERT(reporter,
discardableManager->cacheMissCount(SkStrikeClient::kFontMetrics) == 1);
REPORTER_ASSERT(reporter,
discardableManager->cacheMissCount(SkStrikeClient::kGlyphMetrics) == 10);
// There shouldn't be any image or path requests, since we mark the glyph as empty on a cache
// miss.
REPORTER_ASSERT(reporter, discardableManager->cacheMissCount(SkStrikeClient::kGlyphImage) == 0);
REPORTER_ASSERT(reporter, discardableManager->cacheMissCount(SkStrikeClient::kGlyphPath) == 0);
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
sk_sp<SkTextBlob> MakeEmojiBlob(sk_sp<SkTypeface> serverTf, SkScalar textSize,
sk_sp<SkTypeface> clientTf = nullptr) {
SkFont font;
font.setTypeface(serverTf);
font.setSize(textSize);
const char* text = ToolUtils::emoji_sample_text();
auto blob = SkTextBlob::MakeFromText(text, strlen(text), font);
if (clientTf == nullptr) return blob;
SkSerialProcs s_procs;
s_procs.fTypefaceProc = [](SkTypeface*, void* ctx) -> sk_sp<SkData> {
return SkData::MakeUninitialized(1u);
};
auto serialized = blob->serialize(s_procs);
SkDeserialProcs d_procs;
d_procs.fTypefaceCtx = &clientTf;
d_procs.fTypefaceProc = [](const void* data, size_t length, void* ctx) -> sk_sp<SkTypeface> {
return *(static_cast<sk_sp<SkTypeface>*>(ctx));
};
return SkTextBlob::Deserialize(serialized->data(), serialized->size(), d_procs);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_TypefaceWithNoPaths, reporter, ctxInfo) {
auto direct = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
auto serverTf = ToolUtils::emoji_typeface();
auto serverTfData = server.serializeTypeface(serverTf.get());
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
auto props = FindSurfaceProps(direct);
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
500, 500, props, nullptr, direct->supportsDistanceFieldText());
for (SkScalar textSize : { 70, 180, 270, 340}) {
auto serverBlob = MakeEmojiBlob(serverTf, textSize);
SkPaint paint;
cache_diff_canvas->drawTextBlob(serverBlob.get(), 100, 100, paint);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
if (!serverStrikeData.empty()) {
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(),
serverStrikeData.size()));
}
auto clientBlob = MakeEmojiBlob(serverTf, textSize, clientTf);
REPORTER_ASSERT(reporter, clientBlob);
RasterBlob(clientBlob, 500, 500, paint, direct);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
discardableManager->resetCacheMissCounts();
}
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
class SkRemoteGlyphCacheTest {
public:
static sk_sp<SkTextBlob> MakeNormalBlob(SkPaint* paint,
sk_sp<SkTypeface> serverTf, bool asPaths, SkScalar textSize,
sk_sp<SkTypeface> clientTf = nullptr) {
SkFont font;
font.setTypeface(serverTf);
font.setSize(textSize);
const char* text = "Hel lo";
if (asPaths) {
font.setupForAsPaths(paint);
} else {
SkFont font2(font);
font2.setupForAsPaths(paint);
}
auto blob = SkTextBlob::MakeFromText(text, strlen(text), font);
if (clientTf == nullptr) return blob;
SkSerialProcs s_procs;
s_procs.fTypefaceProc = [](SkTypeface*, void* ctx) -> sk_sp<SkData> {
return SkData::MakeUninitialized(1u);
};
auto serialized = blob->serialize(s_procs);
SkDeserialProcs d_procs;
d_procs.fTypefaceCtx = &clientTf;
d_procs.fTypefaceProc = [](const void* data, size_t length, void* ctx) -> sk_sp<SkTypeface> {
return *(static_cast<sk_sp<SkTypeface>*>(ctx));
};
return SkTextBlob::Deserialize(serialized->data(), serialized->size(), d_procs);
}
};
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_TypefaceWithPaths_MaskThenPath,
reporter, ctxInfo) {
auto direct = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, true);
auto serverTf = ToolUtils::create_portable_typeface();
auto serverTfData = server.serializeTypeface(serverTf.get());
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
auto props = FindSurfaceProps(direct);
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
500, 500, props, nullptr, direct->supportsDistanceFieldText());
SkPaint paint;
using Rgct = SkRemoteGlyphCacheTest;
// Draw from mask out of the strike which provides paths.
{
auto serverBlob = Rgct::MakeNormalBlob(&paint, serverTf, true, 64);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 100, 100, paint);
}
// Draw from path out of the strike which provides paths.
{
auto serverBlob = Rgct::MakeNormalBlob(&paint, serverTf, false, 440);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 100, 100, paint);
}
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
if (!serverStrikeData.empty()) {
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(),
serverStrikeData.size()));
}
{
auto clientBlob = Rgct::MakeNormalBlob(&paint, serverTf, true, 64, clientTf);
REPORTER_ASSERT(reporter, clientBlob);
RasterBlob(clientBlob, 100, 100, paint, direct);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
discardableManager->resetCacheMissCounts();
}
{
auto clientBlob = Rgct::MakeNormalBlob(&paint, serverTf, false, 440, clientTf);
REPORTER_ASSERT(reporter, clientBlob);
RasterBlob(clientBlob, 100, 100, paint, direct);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
discardableManager->resetCacheMissCounts();
}
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_TypefaceWithPaths_PathThenMask,
reporter, ctxInfo) {
auto direct = ctxInfo.directContext();
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, true);
auto serverTf = ToolUtils::create_portable_typeface();
auto serverTfData = server.serializeTypeface(serverTf.get());
auto clientTf = client.deserializeTypeface(serverTfData->data(), serverTfData->size());
auto props = FindSurfaceProps(direct);
std::unique_ptr<SkCanvas> cache_diff_canvas = server.makeAnalysisCanvas(
500, 500, props, nullptr, direct->supportsDistanceFieldText());
SkPaint paint;
using Rgct = SkRemoteGlyphCacheTest;
// Draw from path out of the strike which provides paths.
{
auto serverBlob = Rgct::MakeNormalBlob(&paint, serverTf, false, 440);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 100, 100, paint);
}
// Draw from mask out of the strike which provides paths.
{
auto serverBlob = Rgct::MakeNormalBlob(&paint, serverTf, true, 64);
cache_diff_canvas->drawTextBlob(serverBlob.get(), 100, 100, paint);
}
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
if (!serverStrikeData.empty()) {
REPORTER_ASSERT(reporter,
client.readStrikeData(serverStrikeData.data(),
serverStrikeData.size()));
}
{
auto clientBlob = Rgct::MakeNormalBlob(&paint, serverTf, true, 64, clientTf);
REPORTER_ASSERT(reporter, clientBlob);
RasterBlob(clientBlob, 100, 100, paint, direct);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
discardableManager->resetCacheMissCounts();
}
{
auto clientBlob = Rgct::MakeNormalBlob(&paint, serverTf, false, 440, clientTf);
REPORTER_ASSERT(reporter, clientBlob);
RasterBlob(clientBlob, 100, 100, paint, direct);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
discardableManager->resetCacheMissCounts();
}
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}