skia2/tests/SkRemoteGlyphCacheTest.cpp
Robert Phillips 385804514e Revert "Remove drawTextBlob from device use drawGlyphRunList"
This reverts commit e2e52e46ca.

Reason for revert: See if this is blocking the Chrome roll

Original change's description:
> Remove drawTextBlob from device use drawGlyphRunList
> 
> Convert all backends to use GlyphRunList instead of
> text blobs. If the device did not originally implement
> drawTextBlob it will be simulated by drawPosText on the
> device.
> 
> Other changes:
> Change to using an origin from absolulte positioning. The GPU
> code uses origin change to update blobs under translation.
> 
> Change cluster to use const uint32_t instead of just
> uint32_t.
> 
> Add SkPaint to runs.
> 
> The draw filter is hosted up to the canavas level and applied there.
> 
> Change-Id: Ib105b6bd26b67db55f1c954e37c79fbdcaa9d4a2
> Reviewed-on: https://skia-review.googlesource.com/137224
> Reviewed-by: Herb Derby <herb@google.com>
> Reviewed-by: Khusal Sagar <khushalsagar@chromium.org>
> Reviewed-by: Hal Canary <halcanary@google.com>
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Commit-Queue: Herb Derby <herb@google.com>

TBR=jvanverth@google.com,halcanary@google.com,bungeman@google.com,herb@google.com,reed@google.com,khushalsagar@chromium.org,khushalsagar@google.com

Change-Id: I4d93a534990c89deee7d3aaa00ec40d47e0d2ece
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/138120
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2018-06-28 12:00:47 +00:00

620 lines
27 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 "SkDraw.h"
#include "SkGraphics.h"
#include "SkMutex.h"
#include "SkRemoteGlyphCache.h"
#include "SkStrikeCache.h"
#include "SkSurface.h"
#include "SkTextBlob.h"
#include "SkTypeface_remote.h"
#include "Test.h"
#include "text/GrTextContext.h"
class DiscardableManager : public SkStrikeServer::DiscardableHandleManager,
public SkStrikeClient::DiscardableHandleManager {
public:
DiscardableManager() { sk_bzero(&fCacheMissCount, sizeof(fCacheMissCount)); }
~DiscardableManager() override = default;
// Server implementation.
SkDiscardableHandleId createHandle() override {
// Handles starts as locked.
fLockedHandles.add(++fNextHandleId);
return fNextHandleId;
}
bool lockHandle(SkDiscardableHandleId id) override {
if (id <= fLastDeletedHandleId) return false;
fLockedHandles.add(id);
return true;
}
// Client implementation.
bool deleteHandle(SkDiscardableHandleId id) override { return id <= fLastDeletedHandleId; }
void notifyCacheMiss(SkStrikeClient::CacheMissType type) override { fCacheMissCount[type]++; }
void unlockAll() { fLockedHandles.reset(); }
void unlockAndDeleteAll() {
unlockAll();
fLastDeletedHandleId = fNextHandleId;
}
const SkTHashSet<SkDiscardableHandleId>& lockedHandles() const { return fLockedHandles; }
SkDiscardableHandleId handleCount() { return fNextHandleId; }
int cacheMissCount(uint32_t type) { return fCacheMissCount[type]; }
bool hasCacheMiss() const {
for (uint32_t i = 0; i <= SkStrikeClient::CacheMissType::kLast; ++i) {
if (fCacheMissCount[i] > 0) return true;
}
return false;
}
private:
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) {
SkPaint font;
font.setTypeface(tf);
font.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
font.setTextAlign(SkPaint::kLeft_Align);
font.setStyle(SkPaint::kFill_Style);
font.setHinting(SkPaint::kNormal_Hinting);
font.setTextSize(1u);
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();
}
#define COMPARE_BLOBS(expected, actual, reporter) \
for (int i = 0; i < expected.width(); ++i) { \
for (int j = 0; j < expected.height(); ++j) { \
REPORTER_ASSERT(reporter, expected.getColor(i, j) == actual.getColor(i, j)); \
} \
}
SkTextBlobCacheDiffCanvas::Settings MakeSettings(GrContext* context) {
SkTextBlobCacheDiffCanvas::Settings settings;
settings.fContextSupportsDistanceFieldText = context->supportsDistanceFieldText();
settings.fMaxTextureSize = context->maxTextureSize();
settings.fMaxTextureBytes = GrContextOptions().fGlyphCacheTextureMaximumBytes;
return settings;
}
SkBitmap RasterBlob(sk_sp<SkTextBlob> blob, int width, int height, const SkPaint& paint,
GrContext* context, const SkMatrix* matrix = nullptr) {
const SkImageInfo info =
SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType);
auto surface = SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info);
if (matrix) surface->getCanvas()->concat(*matrix);
surface->getCanvas()->drawTextBlob(blob.get(), 0u, 0u, paint);
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) {
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);
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
SkTextBlobCacheDiffCanvas cache_diff_canvas(10, 10, SkMatrix::I(), props, &server,
MakeSettings(ctxInfo.grContext()));
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, ctxInfo.grContext());
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, ctxInfo.grContext());
COMPARE_BLOBS(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
// 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(SkSurfaceProps::kLegacyFontHost_InitType);
SkTextBlobCacheDiffCanvas cache_diff_canvas(10, 10, SkMatrix::I(), props, &server);
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(SkSurfaceProps::kLegacyFontHost_InitType);
SkTextBlobCacheDiffCanvas cache_diff_canvas(10, 10, SkMatrix::I(), props, &server);
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);
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(SkSurfaceProps::kLegacyFontHost_InitType);
SkTextBlobCacheDiffCanvas cache_diff_canvas(10, 10, SkMatrix::I(), props, &server);
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(SkSurfaceProps::kLegacyFontHost_InitType);
SkTextBlobCacheDiffCanvas cache_diff_canvas(10, 10, SkMatrix::I(), props, &server);
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()));
SkStrikeCache::ValidateGlyphCacheDataSize();
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_DrawTextAsPath, reporter, ctxInfo) {
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, SkDraw::ShouldDrawTextAsPaths(paint, SkMatrix::I()));
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
SkTextBlobCacheDiffCanvas cache_diff_canvas(10, 10, SkMatrix::I(), props, &server,
MakeSettings(ctxInfo.grContext()));
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, ctxInfo.grContext());
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, ctxInfo.grContext());
COMPARE_BLOBS(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
SkStrikeCache::ValidateGlyphCacheDataSize();
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkRemoteGlyphCache_DrawTextAsDFT, reporter, ctxInfo) {
sk_sp<DiscardableManager> discardableManager = sk_make_sp<DiscardableManager>();
SkStrikeServer server(discardableManager.get());
SkStrikeClient client(discardableManager, false);
SkPaint paint;
// A perspective transform forces fallback to dft.
SkMatrix matrix = SkMatrix::I();
matrix[SkMatrix::kMPersp0] = 0.5f;
REPORTER_ASSERT(reporter, matrix.hasPerspective());
SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry);
GrTextContext::Options options;
GrTextContext::SanitizeOptions(&options);
REPORTER_ASSERT(reporter, GrTextContext::CanDrawAsDistanceFields(
paint, matrix, surfaceProps, true, options));
// Server.
auto serverTf = SkTypeface::MakeFromName("monospace", SkFontStyle());
auto serverTfData = server.serializeTypeface(serverTf.get());
int glyphCount = 10;
auto serverBlob = buildTextBlob(serverTf, glyphCount);
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
SkTextBlobCacheDiffCanvas cache_diff_canvas(10, 10, SkMatrix::I(), props, &server,
MakeSettings(ctxInfo.grContext()));
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, ctxInfo.grContext(), &matrix);
SkBitmap actual = RasterBlob(clientBlob, 10, 10, paint, ctxInfo.grContext(), &matrix);
COMPARE_BLOBS(expected, actual, reporter);
REPORTER_ASSERT(reporter, !discardableManager->hasCacheMiss());
SkStrikeCache::ValidateGlyphCacheDataSize();
// 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.grContext(), &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();
}
DEF_TEST(SkRemoteGlyphCache_SearchOfDesperation, reporter) {
// Build proxy typeface on the client for initializing the cache.
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);
SkPaint paint;
paint.setAntiAlias(true);
paint.setTypeface(clientTf);
paint.setColor(SK_ColorRED);
auto lostGlyphID = SkPackedGlyphID(1, SK_FixedHalf, SK_FixedHalf);
const uint8_t glyphImage[] = {0xFF, 0xFF};
SkStrikeCache strikeCache;
// Build a fallback cache.
{
SkAutoDescriptor ad;
SkScalerContextRec rec;
SkScalerContextEffects effects;
SkScalerContextFlags flags = SkScalerContextFlags::kFakeGammaAndBoostContrast;
SkScalerContext::MakeRecAndEffects(paint, nullptr, nullptr, flags, &rec, &effects, false);
auto desc = SkScalerContext::AutoDescriptorGivenRecAndEffects(rec, effects, &ad);
auto fallbackCache = strikeCache.findOrCreateStrikeExclusive(*desc, effects, *clientTf);
auto glyph = fallbackCache->getRawGlyphByID(lostGlyphID);
glyph->fMaskFormat = SkMask::kA8_Format;
glyph->fHeight = 1;
glyph->fWidth = 2;
fallbackCache->initializeImage(glyphImage, glyph->computeImageSize(), glyph);
glyph->fImage = (void *)glyphImage;
}
// Make sure we can find the fall back cache.
{
SkAutoDescriptor ad;
SkScalerContextRec rec;
SkScalerContextEffects effects;
SkScalerContextFlags flags = SkScalerContextFlags::kFakeGammaAndBoostContrast;
SkScalerContext::MakeRecAndEffects(paint, nullptr, nullptr, flags, &rec, &effects, false);
auto desc = SkScalerContext::AutoDescriptorGivenRecAndEffects(rec, effects, &ad);
auto testCache = strikeCache.findStrikeExclusive(*desc);
REPORTER_ASSERT(reporter, !(testCache == nullptr));
}
// Create the target cache.
SkExclusiveStrikePtr testCache;
SkAutoDescriptor ad;
SkScalerContextRec rec;
SkScalerContextEffects effects;
SkScalerContextFlags flags = SkScalerContextFlags::kNone;
SkScalerContext::MakeRecAndEffects(paint, nullptr, nullptr, flags, &rec, &effects, false);
auto desc = SkScalerContext::AutoDescriptorGivenRecAndEffects(rec, effects, &ad);
testCache = strikeCache.findStrikeExclusive(*desc);
REPORTER_ASSERT(reporter, testCache == nullptr);
testCache = strikeCache.createStrikeExclusive(*desc,
clientTf->createScalerContext(effects, desc));
auto scalerProxy = static_cast<SkScalerContextProxy*>(testCache->getScalerContext());
scalerProxy->initCache(testCache.get(), &strikeCache);
// Look for the lost glyph.
{
const auto& lostGlyph = testCache->getGlyphIDMetrics(
lostGlyphID.code(), lostGlyphID.getSubXFixed(), lostGlyphID.getSubYFixed());
testCache->findImage(lostGlyph);
REPORTER_ASSERT(reporter, lostGlyph.fHeight == 1);
REPORTER_ASSERT(reporter, lostGlyph.fWidth == 2);
REPORTER_ASSERT(reporter, lostGlyph.fMaskFormat == SkMask::kA8_Format);
REPORTER_ASSERT(reporter, memcmp(lostGlyph.fImage, glyphImage, sizeof(glyphImage)) == 0);
}
// Look for the lost glyph with a different sub-pix position.
{
const auto& lostGlyph =
testCache->getGlyphIDMetrics(lostGlyphID.code(), SK_FixedQuarter, SK_FixedQuarter);
testCache->findImage(lostGlyph);
REPORTER_ASSERT(reporter, lostGlyph.fHeight == 1);
REPORTER_ASSERT(reporter, lostGlyph.fWidth == 2);
REPORTER_ASSERT(reporter, lostGlyph.fMaskFormat == SkMask::kA8_Format);
REPORTER_ASSERT(reporter, memcmp(lostGlyph.fImage, glyphImage, sizeof(glyphImage)) == 0);
}
for (uint32_t i = 0; i <= SkStrikeClient::CacheMissType::kLast; ++i) {
if (i == SkStrikeClient::CacheMissType::kGlyphMetricsFallback ||
i == SkStrikeClient::CacheMissType::kFontMetrics) {
REPORTER_ASSERT(reporter, discardableManager->cacheMissCount(i) == 2);
} else {
REPORTER_ASSERT(reporter, discardableManager->cacheMissCount(i) == 0);
}
}
strikeCache.validateGlyphCacheDataSize();
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}
DEF_TEST(SkRemoteGlyphCache_ReWriteGlyph, reporter) {
// Build proxy typeface on the client for initializing the cache.
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);
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorRED);
auto lostGlyphID = SkPackedGlyphID(1, SK_FixedHalf, SK_FixedHalf);
const uint8_t glyphImage[] = {0xFF, 0xFF};
uint32_t realMask;
uint32_t fakeMask;
SkStrikeCache strikeCache;
{
SkAutoDescriptor ad;
SkScalerContextRec rec;
SkScalerContextEffects effects;
SkScalerContextFlags flags = SkScalerContextFlags::kFakeGammaAndBoostContrast;
paint.setTypeface(serverTf);
SkScalerContext::MakeRecAndEffects(paint, nullptr, nullptr, flags, &rec, &effects, false);
auto desc = SkScalerContext::AutoDescriptorGivenRecAndEffects(rec, effects, &ad);
auto context = serverTf->createScalerContext(effects, desc, false);
SkGlyph glyph;
glyph.initWithGlyphID(lostGlyphID);
context->getMetrics(&glyph);
realMask = glyph.fMaskFormat;
REPORTER_ASSERT(reporter, realMask != MASK_FORMAT_UNKNOWN);
}
// Build a fallback cache.
{
SkAutoDescriptor ad;
SkScalerContextRec rec;
SkScalerContextEffects effects;
SkScalerContextFlags flags = SkScalerContextFlags::kFakeGammaAndBoostContrast;
paint.setTypeface(clientTf);
SkScalerContext::MakeRecAndEffects(paint, nullptr, nullptr, flags, &rec, &effects, false);
auto desc = SkScalerContext::AutoDescriptorGivenRecAndEffects(rec, effects, &ad);
auto fallbackCache = strikeCache.findOrCreateStrikeExclusive(*desc, effects, *clientTf);
auto glyph = fallbackCache->getRawGlyphByID(lostGlyphID);
fakeMask = (realMask == SkMask::kA8_Format) ? SkMask::kBW_Format : SkMask::kA8_Format;
glyph->fMaskFormat = fakeMask;
glyph->fHeight = 1;
glyph->fWidth = 2;
fallbackCache->initializeImage(glyphImage, glyph->computeImageSize(), glyph);
}
// Send over the real glyph and make sure the client cache stays intact.
{
SkAutoDescriptor ad;
SkScalerContextRec rec;
SkScalerContextEffects effects;
SkScalerContextFlags flags = SkScalerContextFlags::kFakeGammaAndBoostContrast;
paint.setTypeface(serverTf);
auto* cacheState = server.getOrCreateCache(paint, nullptr, nullptr, flags, &rec, &effects);
cacheState->addGlyph(serverTf.get(), effects, lostGlyphID, false);
std::vector<uint8_t> serverStrikeData;
server.writeStrikeData(&serverStrikeData);
REPORTER_ASSERT(reporter,
client.readStrikeData(
serverStrikeData.data(),
serverStrikeData.size()));
}
{
SkAutoDescriptor ad;
SkScalerContextRec rec;
SkScalerContextEffects effects;
SkScalerContextFlags flags = SkScalerContextFlags::kFakeGammaAndBoostContrast;
paint.setTypeface(clientTf);
SkScalerContext::MakeRecAndEffects(paint, nullptr, nullptr, flags, &rec, &effects, false);
auto desc = SkScalerContext::AutoDescriptorGivenRecAndEffects(rec, effects, &ad);
auto fallbackCache = strikeCache.findStrikeExclusive(*desc);
REPORTER_ASSERT(reporter, fallbackCache.get() != nullptr);
auto glyph = fallbackCache->getRawGlyphByID(lostGlyphID);
REPORTER_ASSERT(reporter, glyph->fMaskFormat == fakeMask);
// Try overriding the image, it should stay the same.
REPORTER_ASSERT(reporter,
memcmp(glyph->fImage, glyphImage, glyph->computeImageSize()) == 0);
const uint8_t newGlyphImage[] = {0, 0};
fallbackCache->initializeImage(newGlyphImage, glyph->computeImageSize(), glyph);
REPORTER_ASSERT(reporter,
memcmp(glyph->fImage, glyphImage, glyph->computeImageSize()) == 0);
}
strikeCache.validateGlyphCacheDataSize();
// Must unlock everything on termination, otherwise valgrind complains about memory leaks.
discardableManager->unlockAndDeleteAll();
}