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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkImageFilterCacheKey_DEFINED
#define SkImageFilterCacheKey_DEFINED
struct SkImageFilter::Cache::Key {
Key(const uint32_t uniqueID, const SkMatrix& matrix,
const SkIRect& clipBounds, uint32_t srcGenID, const SkIRect& srcSubset)
: fUniqueID(uniqueID)
, fMatrix(matrix)
, fClipBounds(clipBounds)
, fSrcGenID(srcGenID)
, fSrcSubset(srcSubset) {
// Assert that Key is tightly-packed, since it is hashed.
static_assert(sizeof(Key) == sizeof(uint32_t) + sizeof(SkMatrix) + sizeof(SkIRect) +
sizeof(uint32_t) + 4 * sizeof(int32_t),
"image_filter_key_tight_packing");
fMatrix.getType(); // force initialization of type, so hashes match
}
uint32_t fUniqueID;
SkMatrix fMatrix;
SkIRect fClipBounds;
uint32_t fSrcGenID;
SkIRect fSrcSubset;
bool operator==(const Key& other) const {
return fUniqueID == other.fUniqueID &&
fMatrix == other.fMatrix &&
fClipBounds == other.fClipBounds &&
fSrcGenID == other.fSrcGenID &&
fSrcSubset == other.fSrcSubset;
}
};
#endif
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