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Side by Side Diff: src/core/SkBitmapProcState.cpp

Issue 876743002: check effective cache-size for fixed-budget caches (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 11 months ago
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1 /* 1 /*
2 * Copyright 2011 Google Inc. 2 * Copyright 2011 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkBitmapCache.h" 8 #include "SkBitmapCache.h"
9 #include "SkBitmapProcState.h" 9 #include "SkBitmapProcState.h"
10 #include "SkColorPriv.h" 10 #include "SkColorPriv.h"
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106 106
107 v2.fX = mat.getSkewX(); 107 v2.fX = mat.getSkewX();
108 v2.fY = mat.getScaleY(); 108 v2.fY = mat.getScaleY();
109 109
110 return SkMaxScalar(v1.lengthSqd(), v2.lengthSqd()); 110 return SkMaxScalar(v1.lengthSqd(), v2.lengthSqd());
111 } 111 }
112 112
113 // Check to see that the size of the bitmap that would be produced by 113 // Check to see that the size of the bitmap that would be produced by
114 // scaling by the given inverted matrix is less than the maximum allowed. 114 // scaling by the given inverted matrix is less than the maximum allowed.
115 static inline bool cache_size_okay(const SkBitmap& bm, const SkMatrix& invMat) { 115 static inline bool cache_size_okay(const SkBitmap& bm, const SkMatrix& invMat) {
116 size_t maximumAllocation = SkResourceCache::GetSingleAllocationByteLimit(); 116 size_t maximumAllocation = SkResourceCache::GetEffectiveSingleAllocationByte Limit();
117 if (0 == maximumAllocation) { 117 if (0 == maximumAllocation) {
118 return true; 118 return true;
119 } 119 }
120 // float matrixScaleFactor = 1.0 / (invMat.scaleX * invMat.scaleY); 120 // float matrixScaleFactor = 1.0 / (invMat.scaleX * invMat.scaleY);
121 // return ((origBitmapSize * matrixScaleFactor) < maximumAllocationSize); 121 // return ((origBitmapSize * matrixScaleFactor) < maximumAllocationSize);
122 // Skip the division step: 122 // Skip the division step:
123 return bm.info().getSafeSize(bm.info().minRowBytes()) 123 return bm.info().getSafeSize(bm.info().minRowBytes())
124 < (maximumAllocation * invMat.getScaleX() * invMat.getScaleY()); 124 < (maximumAllocation * invMat.getScaleX() * invMat.getScaleY());
125 } 125 }
126 126
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1035 fx += dx; 1035 fx += dx;
1036 } 1036 }
1037 } else { 1037 } else {
1038 for (int i = 0; i < count; ++i) { 1038 for (int i = 0; i < count; ++i) {
1039 dst[i] = src[SkClampMax(SkFractionalIntToInt(fx), maxX)]; 1039 dst[i] = src[SkClampMax(SkFractionalIntToInt(fx), maxX)];
1040 fx += dx; 1040 fx += dx;
1041 } 1041 }
1042 } 1042 }
1043 } 1043 }
1044 1044
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