diff options
Diffstat (limited to 'src/core/SkPaint.cpp')
| -rw-r--r-- | src/core/SkPaint.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp index 95b8ed3..14c0397 100644 --- a/src/core/SkPaint.cpp +++ b/src/core/SkPaint.cpp @@ -1315,6 +1315,10 @@ void SkScalerContext::MakeRec(const SkPaint& paint, #define MIN_SIZE_FOR_EFFECT_BUFFER 1024 +#ifdef SK_DEBUG + #define TEST_DESC +#endif + void SkPaint::descriptorProc(const SkMatrix* deviceMatrix, void (*proc)(const SkDescriptor*, void*), void* context, bool ignoreGamma) const { @@ -1376,6 +1380,49 @@ void SkPaint::descriptorProc(const SkMatrix* deviceMatrix, SkASSERT(descSize == desc->getLength()); desc->computeChecksum(); +#ifdef TEST_DESC + { + // Check that we completely write the bytes in desc (our key), and that + // there are no uninitialized bytes. If there were, then we would get + // false-misses (or worse, false-hits) in our fontcache. + // + // We do this buy filling 2 others, one with 0s and the other with 1s + // and create those, and then check that all 3 are identical. + SkAutoDescriptor ad1(descSize); + SkAutoDescriptor ad2(descSize); + SkDescriptor* desc1 = ad1.getDesc(); + SkDescriptor* desc2 = ad2.getDesc(); + + memset(desc1, 0x00, descSize); + memset(desc2, 0xFF, descSize); + + desc1->init(); + desc2->init(); + desc1->addEntry(kRec_SkDescriptorTag, sizeof(rec), &rec); + desc2->addEntry(kRec_SkDescriptorTag, sizeof(rec), &rec); + + if (pe) { + add_flattenable(desc1, kPathEffect_SkDescriptorTag, &peBuffer); + add_flattenable(desc2, kPathEffect_SkDescriptorTag, &peBuffer); + } + if (mf) { + add_flattenable(desc1, kMaskFilter_SkDescriptorTag, &mfBuffer); + add_flattenable(desc2, kMaskFilter_SkDescriptorTag, &mfBuffer); + } + if (ra) { + add_flattenable(desc1, kRasterizer_SkDescriptorTag, &raBuffer); + add_flattenable(desc2, kRasterizer_SkDescriptorTag, &raBuffer); + } + + SkASSERT(descSize == desc1->getLength()); + SkASSERT(descSize == desc2->getLength()); + desc1->computeChecksum(); + desc2->computeChecksum(); + SkASSERT(!memcmp(desc, desc1, descSize)); + SkASSERT(!memcmp(desc, desc2, descSize)); + } +#endif + proc(desc, context); } |