diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/dsp/cpu.c')
| -rw-r--r-- | src/3rdparty/libwebp/src/dsp/cpu.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/src/3rdparty/libwebp/src/dsp/cpu.c b/src/3rdparty/libwebp/src/dsp/cpu.c index 8844cb4..cbb08db 100644 --- a/src/3rdparty/libwebp/src/dsp/cpu.c +++ b/src/3rdparty/libwebp/src/dsp/cpu.c @@ -13,6 +13,11 @@ #include "./dsp.h" +#if defined(WEBP_HAVE_NEON_RTCD) +#include <stdio.h> +#include <string.h> +#endif + #if defined(WEBP_ANDROID_NEON) #include <cpu-features.h> #endif @@ -142,13 +147,33 @@ VP8CPUInfo VP8GetCPUInfo = AndroidCPUInfo; // define a dummy function to enable turning off NEON at runtime by setting // VP8DecGetCPUInfo = NULL static int armCPUInfo(CPUFeature feature) { - (void)feature; + if (feature != kNEON) return 0; +#if defined(__linux__) && defined(WEBP_HAVE_NEON_RTCD) + { + int has_neon = 0; + char line[200]; + FILE* const cpuinfo = fopen("/proc/cpuinfo", "r"); + if (cpuinfo == NULL) return 0; + while (fgets(line, sizeof(line), cpuinfo)) { + if (!strncmp(line, "Features", 8)) { + if (strstr(line, " neon ") != NULL) { + has_neon = 1; + break; + } + } + } + fclose(cpuinfo); + return has_neon; + } +#else return 1; +#endif } VP8CPUInfo VP8GetCPUInfo = armCPUInfo; -#elif defined(WEBP_USE_MIPS32) || defined(WEBP_USE_MIPS_DSP_R2) +#elif defined(WEBP_USE_MIPS32) || defined(WEBP_USE_MIPS_DSP_R2) || \ + defined(WEBP_USE_MSA) static int mipsCPUInfo(CPUFeature feature) { - if ((feature == kMIPS32) || (feature == kMIPSdspR2)) { + if ((feature == kMIPS32) || (feature == kMIPSdspR2) || (feature == kMSA)) { return 1; } else { return 0; |