dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-13 14:34:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge "Couple of fixes to allow SIMD on Emscripten"

Browse Source
This commit is contained in:
Pascal Massimino
2020-11-20 08:18:41 +00:00
committed by Gerrit Code Review
parent 8870ba7f06 52273943c6
commit 988b02abfd
4 changed files with 34 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/dsp/cpu.c
View File

@ -179,6 +179,30 @@ static int AndroidCPUInfo(CPUFeature feature) {
return 0;
}
VP8CPUInfo VP8GetCPUInfo = AndroidCPUInfo;
#elif defined(EMSCRIPTEN) // also needs to be before generic NEON test
// Use compile flags as an indicator of SIMD support instead of a runtime check.
static int wasmCPUInfo(CPUFeature feature) {
switch (feature) {
#ifdef WEBP_USE_SSE2
case kSSE2:
return 1;
#endif
#ifdef WEBP_USE_SSE41
case kSSE3:
case kSlowSSSE3:
case kSSE4_1:
return 1;
#endif
#ifdef WEBP_USE_NEON
case kNEON:
return 1;
#endif
default:
break;
}
return 0;
}
VP8CPUInfo VP8GetCPUInfo = wasmCPUInfo;
#elif defined(WEBP_USE_NEON)
// define a dummy function to enable turning off NEON at runtime by setting
// VP8DecGetCPUInfo = NULL

5
src/dsp/dsp.h
View File

@ -51,9 +51,6 @@ extern "C" {
# define __has_builtin(x) 0
#endif
// for now, none of the optimizations below are available in emscripten
#if !defined(EMSCRIPTEN)
#if defined(_MSC_VER) && _MSC_VER > 1310 && \
(defined(_M_X64) || defined(_M_IX86))
#define WEBP_MSC_SSE2 // Visual C++ SSE2 targets
@ -110,8 +107,6 @@ extern "C" {
#define WEBP_USE_MSA
#endif
#endif /* EMSCRIPTEN */
#ifndef WEBP_DSP_OMIT_C_CODE
#define WEBP_DSP_OMIT_C_CODE 1
#endif