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| 1 /* |
| 2 * Copyright 2016 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #ifndef SkImageFilterCacheKey_DEFINED |
| 9 #define SkImageFilterCacheKey_DEFINED |
| 10 |
| 11 struct SkImageFilter::Cache::Key { |
| 12 Key(const uint32_t uniqueID, const SkMatrix& matrix, |
| 13 const SkIRect& clipBounds, uint32_t srcGenID, const SkIRect& srcSubset) |
| 14 : fUniqueID(uniqueID) |
| 15 , fMatrix(matrix) |
| 16 , fClipBounds(clipBounds) |
| 17 , fSrcGenID(srcGenID) |
| 18 , fSrcSubset(srcSubset) { |
| 19 // Assert that Key is tightly-packed, since it is hashed. |
| 20 static_assert(sizeof(Key) == sizeof(uint32_t) + sizeof(SkMatrix) + sizeo
f(SkIRect) + |
| 21 sizeof(uint32_t) + 4 * sizeof(int32_t), |
| 22 "image_filter_key_tight_packing"); |
| 23 fMatrix.getType(); // force initialization of type, so hashes match |
| 24 } |
| 25 |
| 26 uint32_t fUniqueID; |
| 27 SkMatrix fMatrix; |
| 28 SkIRect fClipBounds; |
| 29 uint32_t fSrcGenID; |
| 30 SkIRect fSrcSubset; |
| 31 |
| 32 bool operator==(const Key& other) const { |
| 33 return fUniqueID == other.fUniqueID && |
| 34 fMatrix == other.fMatrix && |
| 35 fClipBounds == other.fClipBounds && |
| 36 fSrcGenID == other.fSrcGenID && |
| 37 fSrcSubset == other.fSrcSubset; |
| 38 } |
| 39 }; |
| 40 |
| 41 #endif |
| 42 |
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