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Unified Diff: src/core/SkWriter32.cpp

Issue 150663014: Change growth function for SkWriter32 (Closed) Base URL: https://skia.googlesource.com/skia.git@no_external_test
Patch Set: Created 6 years, 10 months ago
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Index: src/core/SkWriter32.cpp
diff --git a/src/core/SkWriter32.cpp b/src/core/SkWriter32.cpp
index 7285459c3d1e5767fff762d0bb38a4a6f848a2a0..0de8b20b250addf9059334a225aae0b5d5339fc1 100644
--- a/src/core/SkWriter32.cpp
+++ b/src/core/SkWriter32.cpp
@@ -67,20 +67,20 @@ size_t SkWriter32::WriteStringSize(const char* str, size_t len) {
return SkAlign4(lenBytes + len + 1);
}
+const size_t kMinBufferBytes=4096;
+
void SkWriter32::growToAtLeast(size_t size) {
bool wasExternal = (fExternal != NULL) && (fData == fExternal);
+ fCapacity = kMinBufferBytes +
+ SkTMax(size, fCapacity + (fCapacity >> 1));
+
// cause the buffer to grow
- fInternal.setCount(size);
+ fInternal.setCountExact(fCapacity);
fData = fInternal.begin();
if (wasExternal) {
// we were external, so copy in the data
memcpy(fData, fExternal, fUsed);
}
- // Find out the size the buffer grew to, it may be more than we asked for.
- fCapacity = fInternal.reserved();
- // Expand the array so all reserved space is "used", we maintain the
- // amount we have written manually outside the array
- fInternal.setCount(fCapacity);
SkASSERT(fInternal.count() == fCapacity);
SkASSERT(fInternal.reserved() == fCapacity);
}
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