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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 #ifndef SkNx_neon_DEFINED | 8 #ifndef SkNx_neon_DEFINED |
9 #define SkNx_neon_DEFINED | 9 #define SkNx_neon_DEFINED |
10 | 10 |
11 namespace { // See SkNx.h | |
12 | |
13 // Well, this is absurd. The shifts require compile-time constant arguments. | 11 // Well, this is absurd. The shifts require compile-time constant arguments. |
14 | 12 |
15 #define SHIFT8(op, v, bits) switch(bits) { \ | 13 #define SHIFT8(op, v, bits) switch(bits) { \ |
16 case 1: return op(v, 1); case 2: return op(v, 2); case 3: return op(v
, 3); \ | 14 case 1: return op(v, 1); case 2: return op(v, 2); case 3: return op(v
, 3); \ |
17 case 4: return op(v, 4); case 5: return op(v, 5); case 6: return op(v
, 6); \ | 15 case 4: return op(v, 4); case 5: return op(v, 5); case 6: return op(v
, 6); \ |
18 case 7: return op(v, 7); \ | 16 case 7: return op(v, 7); \ |
19 } return fVec | 17 } return fVec |
20 | 18 |
21 #define SHIFT16(op, v, bits) if (bits < 8) { SHIFT8(op, v, bits); } switch(bits)
{ \ | 19 #define SHIFT16(op, v, bits) if (bits < 8) { SHIFT8(op, v, bits); } switch(bits)
{ \ |
22 case 8: return op(v, 8); case 9: return op(v
, 9); \ | 20 case 8: return op(v, 8); case 9: return op(v
, 9); \ |
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376 return vbslq_u8(fVec, t.fVec, e.fVec); | 374 return vbslq_u8(fVec, t.fVec, e.fVec); |
377 } | 375 } |
378 | 376 |
379 uint8x16_t fVec; | 377 uint8x16_t fVec; |
380 }; | 378 }; |
381 | 379 |
382 #undef SHIFT32 | 380 #undef SHIFT32 |
383 #undef SHIFT16 | 381 #undef SHIFT16 |
384 #undef SHIFT8 | 382 #undef SHIFT8 |
385 | 383 |
386 } // namespace | |
387 | |
388 #endif//SkNx_neon_DEFINED | 384 #endif//SkNx_neon_DEFINED |
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