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

Issue 1650653002: SkNx Load/store: take any pointer. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: simplify call sites Created 4 years, 10 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 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 "SkMipMap.h" 8 #include "SkMipMap.h"
9 #include "SkBitmap.h" 9 #include "SkBitmap.h"
10 #include "SkColorPriv.h" 10 #include "SkColorPriv.h"
11 #include "SkNx.h" 11 #include "SkNx.h"
12 12
13 // 13 //
14 // ColorTypeFilter is the "Type" we pass to some downsample template functions. 14 // ColorTypeFilter is the "Type" we pass to some downsample template functions.
15 // It controls how we expand a pixel into a large type, with space between each component, 15 // It controls how we expand a pixel into a large type, with space between each component,
16 // so we can then perform our simple filter (either box or triangle) and store t he intermediates 16 // so we can then perform our simple filter (either box or triangle) and store t he intermediates
17 // in the expanded type. 17 // in the expanded type.
18 // 18 //
19 19
20 struct ColorTypeFilter_8888 { 20 struct ColorTypeFilter_8888 {
21 typedef uint32_t Type; 21 typedef uint32_t Type;
22 #if defined(SKNX_IS_FAST) 22 #if defined(SKNX_IS_FAST)
23 static Sk4h Expand(uint32_t x) { 23 static Sk4h Expand(uint32_t x) {
24 return SkNx_cast<uint16_t>(Sk4b::Load((const uint8_t*)&x)); 24 return SkNx_cast<uint16_t>(Sk4b::Load(&x));
25 } 25 }
26 static uint32_t Compact(const Sk4h& x) { 26 static uint32_t Compact(const Sk4h& x) {
27 uint32_t r; 27 uint32_t r;
28 SkNx_cast<uint8_t>(x).store((uint8_t*)&r); 28 SkNx_cast<uint8_t>(x).store(&r);
29 return r; 29 return r;
30 } 30 }
31 #else 31 #else
32 static uint64_t Expand(uint32_t x) { 32 static uint64_t Expand(uint32_t x) {
33 return (x & 0xFF00FF) | ((uint64_t)(x & 0xFF00FF00) << 24); 33 return (x & 0xFF00FF) | ((uint64_t)(x & 0xFF00FF00) << 24);
34 } 34 }
35 static uint32_t Compact(uint64_t x) { 35 static uint32_t Compact(uint64_t x) {
36 return (uint32_t)((x & 0xFF00FF) | ((x >> 24) & 0xFF00FF00)); 36 return (uint32_t)((x & 0xFF00FF) | ((x >> 24) & 0xFF00FF00));
37 } 37 }
38 #endif 38 #endif
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360 return nullptr; 360 return nullptr;
361 } 361 }
362 const SkPixmap& srcPixmap = srcUnlocker.pixmap(); 362 const SkPixmap& srcPixmap = srcUnlocker.pixmap();
363 // Try to catch where we might have returned nullptr for src crbug.com/49281 8 363 // Try to catch where we might have returned nullptr for src crbug.com/49281 8
364 if (nullptr == srcPixmap.addr()) { 364 if (nullptr == srcPixmap.addr()) {
365 sk_throw(); 365 sk_throw();
366 } 366 }
367 return Build(srcPixmap, fact); 367 return Build(srcPixmap, fact);
368 } 368 }
369 369
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