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1 /* | |
2 * Copyright 2014 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 #include "SkTextureCompression_opts.h" | |
9 #include "SkTextureCompression_opts_neon.h" | |
10 #include "SkUtilsArm.h" | |
11 | |
12 SkTextureCompressor::CompressionProc | |
13 SkTextureCompressorGetPlatformProc(SkColorType colorType, SkTextureCompressor::F
ormat fmt) { | |
14 #if SK_ARM_NEON_IS_NONE | |
15 return NULL; | |
16 #else | |
17 #if SK_ARM_NEON_IS_DYNAMIC | |
18 if (!sk_cpu_arm_has_neon()) { | |
19 return NULL; | |
20 } | |
21 #endif | |
22 switch (colorType) { | |
23 case kAlpha_8_SkColorType: | |
24 { | |
25 switch (fmt) { | |
26 case SkTextureCompressor::kR11_EAC_Format: | |
27 return CompressA8toR11EAC_NEON; | |
28 default: | |
29 return NULL; | |
30 } | |
31 } | |
32 break; | |
33 | |
34 default: | |
35 return NULL; | |
36 } | |
37 #endif | |
38 } | |
39 | |
40 bool SkTextureCompressorGetPlatformDims(SkTextureCompressor::Format fmt, int* di
mX, int* dimY) { | |
41 #if SK_ARM_NEON_IS_NONE | |
42 return false; | |
43 #else | |
44 #if SK_ARM_NEON_IS_DYNAMIC | |
45 if (!sk_cpu_arm_has_neon()) { | |
46 return false; | |
47 } | |
48 #endif | |
49 switch (fmt) { | |
50 case SkTextureCompressor::kR11_EAC_Format: | |
51 *dimX = 16; | |
52 *dimY = 4; | |
53 return true; | |
54 default: | |
55 return false; | |
56 } | |
57 return false; | |
58 #endif | |
59 } | |
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