99 lines
3.8 KiB
Diff
99 lines
3.8 KiB
Diff
diff -ur qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/openmax_dl/dl/dl.gyp qtwebengine-opensource-src-5.7.1-openmax-dl-neon/src/3rdparty/chromium/third_party/openmax_dl/dl/dl.gyp
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--- qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/openmax_dl/dl/dl.gyp 2016-11-07 15:46:18.000000000 +0100
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+++ qtwebengine-opensource-src-5.7.1-openmax-dl-neon/src/3rdparty/chromium/third_party/openmax_dl/dl/dl.gyp 2016-12-03 22:50:19.369158276 +0100
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@@ -219,15 +219,6 @@
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'conditions': [
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['arm_neon_optional==1', {
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# Run-time NEON detection.
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- 'dependencies': [
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- '../../../build/android/ndk.gyp:cpu_features',
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- ],
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- 'link_settings' : {
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- 'libraries': [
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- # To get the __android_log_print routine
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- '-llog',
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- ],
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- },
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'sources': [
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# Detection routine
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'sp/src/arm/detect.c',
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diff -ur qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/openmax_dl/dl/sp/src/arm/detect.c qtwebengine-opensource-src-5.7.1-openmax-dl-neon/src/3rdparty/chromium/third_party/openmax_dl/dl/sp/src/arm/detect.c
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--- qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/openmax_dl/dl/sp/src/arm/detect.c 2016-11-07 15:46:18.000000000 +0100
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+++ qtwebengine-opensource-src-5.7.1-openmax-dl-neon/src/3rdparty/chromium/third_party/openmax_dl/dl/sp/src/arm/detect.c 2016-12-03 22:48:13.745095083 +0100
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@@ -9,13 +9,57 @@
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*
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*/
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-#include <cpu-features.h>
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-
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-#include "android/log.h"
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#include "dl/sp/api/omxSP.h"
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+// For ArmCpuCaps()
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+#include <stdio.h>
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+#include <string.h>
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+
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+// based on libvpx arm_cpudetect.c
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+static int ArmCpuCaps(const char* cpuinfo_name) {
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+ char cpuinfo_line[512];
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+ FILE* f = fopen(cpuinfo_name, "r");
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+ if (!f) {
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+ // Assume Neon if /proc/cpuinfo is unavailable.
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+ // This will occur for Chrome sandbox for Pepper or Render process.
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+ return 1;
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+ }
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+ while (fgets(cpuinfo_line, sizeof(cpuinfo_line) - 1, f)) {
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+ if (memcmp(cpuinfo_line, "Features", 8) == 0) {
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+ char* p = strstr(cpuinfo_line, " neon");
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+ if (p && (p[5] == ' ' || p[5] == '\n')) {
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+ fclose(f);
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+ return 1;
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+ }
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+ // aarch64 uses asimd for Neon.
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+ p = strstr(cpuinfo_line, " asimd");
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+ if (p && (p[6] == ' ' || p[6] == '\n')) {
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+ fclose(f);
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+ return 1;
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+ }
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+ }
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+ }
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+ fclose(f);
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+ return 0;
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+}
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+
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int omxSP_HasArmNeon() {
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- return (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
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+#if defined(__arm__) || defined(__aarch64__)
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+// gcc -mfpu=neon defines __ARM_NEON__
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+// __ARM_NEON__ generates code that requires Neon. NaCL also requires Neon.
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+// For Linux, /proc/cpuinfo can be tested but without that assume Neon.
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+#if defined(__ARM_NEON__) || defined(__native_client__) || !defined(__linux__)
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+ return 1;
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+// For aarch64(arm64), /proc/cpuinfo's feature is not complete, e.g. no neon
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+// flag in it.
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+// So for aarch64, neon enabling is hard coded here.
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+#elif defined(__aarch64__)
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+ return 1;
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+#else
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+ // Linux arm parse text file for neon detect.
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+ return ArmCpuCaps("/proc/cpuinfo");
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+#endif
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+#endif // __arm__
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}
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static void SetFFTRoutines() {
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@@ -24,13 +68,9 @@
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* forward and inverse FFTs
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*/
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if (omxSP_HasArmNeon()) {
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- __android_log_print(ANDROID_LOG_INFO, "OpenMAX DL FFT",
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- "Using NEON FFT");
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omxSP_FFTFwd_RToCCS_F32 = omxSP_FFTFwd_RToCCS_F32_Sfs;
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omxSP_FFTInv_CCSToR_F32 = omxSP_FFTInv_CCSToR_F32_Sfs;
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} else {
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- __android_log_print(ANDROID_LOG_INFO, "OpenMAX DL FFT",
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- "Using non-NEON FFT");
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omxSP_FFTFwd_RToCCS_F32 = omxSP_FFTFwd_RToCCS_F32_Sfs_vfp;
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omxSP_FFTInv_CCSToR_F32 = omxSP_FFTInv_CCSToR_F32_Sfs_vfp;
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}
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