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 SkTextureCompressorGetPlatformProc(SkColorType colorType,SkTextureCompressor::Format fmt)13SkTextureCompressorGetPlatformProc(SkColorType colorType, SkTextureCompressor::Format 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 SkTextureCompressorGetPlatformDims(SkTextureCompressor::Format fmt,int * dimX,int * dimY)40bool SkTextureCompressorGetPlatformDims(SkTextureCompressor::Format fmt, int* dimX, 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 } 60