gfx/skia/trunk/src/lazy/SkDiscardablePixelRef.cpp@129ffea94266 (annotated)
gfx/skia/trunk/src/lazy/SkDiscardablePixelRef.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "SkDiscardablePixelRef.h" |
| michael@0 | 9 | #include "SkDiscardableMemory.h" |
| michael@0 | 10 | #include "SkImageGenerator.h" |
| michael@0 | 11 | |
| michael@0 | 12 | SkDiscardablePixelRef::SkDiscardablePixelRef(const SkImageInfo& info, |
| michael@0 | 13 | SkImageGenerator* generator, |
| michael@0 | 14 | size_t rowBytes, |
| michael@0 | 15 | SkDiscardableMemory::Factory* fact) |
| michael@0 | 16 | : INHERITED(info) |
| michael@0 | 17 | , fGenerator(generator) |
| michael@0 | 18 | , fDMFactory(fact) |
| michael@0 | 19 | , fRowBytes(rowBytes) |
| michael@0 | 20 | , fDiscardableMemory(NULL) |
| michael@0 | 21 | { |
| michael@0 | 22 | SkASSERT(fGenerator != NULL); |
| michael@0 | 23 | SkASSERT(fRowBytes > 0); |
| michael@0 | 24 | // The SkImageGenerator contract requires fGenerator to always |
| michael@0 | 25 | // decode the same image on each call to getPixels(). |
| michael@0 | 26 | this->setImmutable(); |
| michael@0 | 27 | SkSafeRef(fDMFactory); |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | SkDiscardablePixelRef::~SkDiscardablePixelRef() { |
| michael@0 | 31 | if (this->isLocked()) { |
| michael@0 | 32 | fDiscardableMemory->unlock(); |
| michael@0 | 33 | } |
| michael@0 | 34 | SkDELETE(fDiscardableMemory); |
| michael@0 | 35 | SkSafeUnref(fDMFactory); |
| michael@0 | 36 | SkDELETE(fGenerator); |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | bool SkDiscardablePixelRef::onNewLockPixels(LockRec* rec) { |
| michael@0 | 40 | if (fDiscardableMemory != NULL) { |
| michael@0 | 41 | if (fDiscardableMemory->lock()) { |
| michael@0 | 42 | rec->fPixels = fDiscardableMemory->data(); |
| michael@0 | 43 | rec->fColorTable = NULL; |
| michael@0 | 44 | rec->fRowBytes = fRowBytes; |
| michael@0 | 45 | return true; |
| michael@0 | 46 | } |
| michael@0 | 47 | SkDELETE(fDiscardableMemory); |
| michael@0 | 48 | fDiscardableMemory = NULL; |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | const size_t size = this->info().getSafeSize(fRowBytes); |
| michael@0 | 52 | |
| michael@0 | 53 | if (fDMFactory != NULL) { |
| michael@0 | 54 | fDiscardableMemory = fDMFactory->create(size); |
| michael@0 | 55 | } else { |
| michael@0 | 56 | fDiscardableMemory = SkDiscardableMemory::Create(size); |
| michael@0 | 57 | } |
| michael@0 | 58 | if (NULL == fDiscardableMemory) { |
| michael@0 | 59 | return false; // Memory allocation failed. |
| michael@0 | 60 | } |
| michael@0 | 61 | |
| michael@0 | 62 | void* pixels = fDiscardableMemory->data(); |
| michael@0 | 63 | if (!fGenerator->getPixels(this->info(), pixels, fRowBytes)) { |
| michael@0 | 64 | fDiscardableMemory->unlock(); |
| michael@0 | 65 | SkDELETE(fDiscardableMemory); |
| michael@0 | 66 | fDiscardableMemory = NULL; |
| michael@0 | 67 | return false; |
| michael@0 | 68 | } |
| michael@0 | 69 | |
| michael@0 | 70 | rec->fPixels = pixels; |
| michael@0 | 71 | rec->fColorTable = NULL; |
| michael@0 | 72 | rec->fRowBytes = fRowBytes; |
| michael@0 | 73 | return true; |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | void SkDiscardablePixelRef::onUnlockPixels() { |
| michael@0 | 77 | fDiscardableMemory->unlock(); |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | bool SkInstallDiscardablePixelRef(SkImageGenerator* generator, |
| michael@0 | 81 | SkBitmap* dst, |
| michael@0 | 82 | SkDiscardableMemory::Factory* factory) { |
| michael@0 | 83 | SkImageInfo info; |
| michael@0 | 84 | SkAutoTDelete<SkImageGenerator> autoGenerator(generator); |
| michael@0 | 85 | if ((NULL == autoGenerator.get()) |
| michael@0 | 86 | || (!autoGenerator->getInfo(&info)) |
| michael@0 | 87 | || (!dst->setConfig(info, 0))) { |
| michael@0 | 88 | return false; |
| michael@0 | 89 | } |
| michael@0 | 90 | SkASSERT(dst->colorType() != kUnknown_SkColorType); |
| michael@0 | 91 | if (dst->empty()) { // Use a normal pixelref. |
| michael@0 | 92 | return dst->allocPixels(); |
| michael@0 | 93 | } |
| michael@0 | 94 | SkAutoTUnref<SkDiscardablePixelRef> ref( |
| michael@0 | 95 | SkNEW_ARGS(SkDiscardablePixelRef, |
| michael@0 | 96 | (info, autoGenerator.detach(), dst->rowBytes(), factory))); |
| michael@0 | 97 | dst->setPixelRef(ref); |
| michael@0 | 98 | return true; |
| michael@0 | 99 | } |
