qt5-qtwebengine/qtwebengine-opensource-src-5.7.1-webrtc-neon-detect.patch
Kevin Kofler 6f435b9ab6 Fix FTBFS due to missing ARM CPU feature detection routines
- chromium-skia: build SkUtilsArm.cpp also on non-Android ARM
- webrtc: backport CPU feature detection for ARM Linux, enable it for Chromium
2016-12-04 15:17:22 +01:00

160 lines
5.9 KiB
Diff

diff -Nur qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/BUILD.gn qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/BUILD.gn
--- qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/BUILD.gn 2016-11-07 15:46:18.000000000 +0100
+++ qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/BUILD.gn 2016-12-04 15:06:23.886224907 +0100
@@ -133,6 +133,8 @@
#"WEBRTC_CLOCK_TYPE_REALTIME",
]
+ deps += [ ":cpu_features_linux" ]
+
libs += [ "rt" ]
}
@@ -206,3 +208,14 @@
]
}
}
+
+if (is_linux) {
+ source_set("cpu_features_linux") {
+ sources = [
+ "source/cpu_features_linux.c",
+ ]
+
+ configs += [ "..:common_config" ]
+ public_configs = [ "..:common_inherited_config" ]
+ }
+}
diff -Nur qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/cpu_features_webrtc.gyp qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/cpu_features_webrtc.gyp
--- qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/cpu_features_webrtc.gyp 2016-11-07 15:46:18.000000000 +0100
+++ qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/cpu_features_webrtc.gyp 2016-12-04 15:05:24.150142787 +0100
@@ -7,6 +7,7 @@
# be found in the AUTHORS file in the root of the source tree.
{
+ 'includes': [ '../build/common.gypi', ],
'conditions': [
['OS=="android"', {
'targets': [
@@ -21,6 +22,20 @@
],
},
],
+ }],
+ ['OS=="linux"', {
+ 'targets': [
+ {
+ 'target_name': 'cpu_features_linux',
+ 'type': 'static_library',
+ 'sources': [
+ 'source/cpu_features_linux.c',
+ ],
+ 'dependencies': [
+ '<(webrtc_root)/common.gyp:webrtc_common',
+ ],
+ },
+ ],
}],
], # conditions
}
diff -Nur qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/source/cpu_features_linux.c qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/source/cpu_features_linux.c
--- qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/source/cpu_features_linux.c 1970-01-01 01:00:00.000000000 +0100
+++ qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/source/cpu_features_linux.c 2016-12-04 15:05:24.150142787 +0100
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <features.h>
+#if __GLIBC_PREREQ(2, 16)
+#include <sys/auxv.h>
+#else
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <link.h>
+#endif
+#include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
+
+#if defined(WEBRTC_ARCH_ARM_FAMILY)
+#include <asm/hwcap.h>
+
+uint64_t WebRtc_GetCPUFeaturesARM(void) {
+ uint64_t result = 0;
+ int architecture = 0;
+ unsigned long hwcap = 0;
+ const char* platform = NULL;
+#if __GLIBC_PREREQ(2, 16)
+ hwcap = getauxval(AT_HWCAP);
+ platform = (const char*)getauxval(AT_PLATFORM);
+#else
+ ElfW(auxv_t) auxv;
+ int fd = open("/proc/self/auxv", O_RDONLY);
+ if (fd >= 0) {
+ while (hwcap == 0 || platform == NULL) {
+ if (read(fd, &auxv, sizeof(auxv)) < (ssize_t)sizeof(auxv)) {
+ if (errno == EINTR)
+ continue;
+ break;
+ }
+ switch (auxv.a_type) {
+ case AT_HWCAP:
+ hwcap = auxv.a_un.a_val;
+ break;
+ case AT_PLATFORM:
+ platform = (const char*)auxv.a_un.a_val;
+ break;
+ }
+ }
+ close(fd);
+ }
+#endif // __GLIBC_PREREQ(2,16)
+#if defined(__aarch64__)
+ architecture = 8;
+ if ((hwcap & HWCAP_FP) != 0)
+ result |= kCPUFeatureVFPv3;
+ if ((hwcap & HWCAP_ASIMD) != 0)
+ result |= kCPUFeatureNEON;
+#else
+ if (platform != NULL) {
+ /* expect a string in the form "v6l" or "v7l", etc.
+ */
+ if (platform[0] == 'v' && '0' <= platform[1] && platform[1] <= '9' &&
+ (platform[2] == 'l' || platform[2] == 'b')) {
+ architecture = platform[1] - '0';
+ }
+ }
+ if ((hwcap & HWCAP_VFPv3) != 0)
+ result |= kCPUFeatureVFPv3;
+ if ((hwcap & HWCAP_NEON) != 0)
+ result |= kCPUFeatureNEON;
+#endif
+ if (architecture >= 7)
+ result |= kCPUFeatureARMv7;
+ if (architecture >= 6)
+ result |= kCPUFeatureLDREXSTREX;
+ return result;
+}
+#endif // WEBRTC_ARCH_ARM_FAMILY
diff -Nur qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/system_wrappers.gyp qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/system_wrappers.gyp
--- qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/system_wrappers/system_wrappers.gyp 2016-11-07 15:46:18.000000000 +0100
+++ qtwebengine-opensource-src-5.7.1-webrtc-neon-detect/src/3rdparty/chromium/third_party/webrtc/system_wrappers/system_wrappers.gyp 2016-12-04 15:09:09.323684522 +0100
@@ -143,6 +143,9 @@
# Define this if the Linux system does not support CLOCK_MONOTONIC.
#'WEBRTC_CLOCK_TYPE_REALTIME',
],
+ 'dependencies': [
+ 'cpu_features_webrtc.gyp:cpu_features_linux',
+ ],
'link_settings': {
'libraries': [ '-lrt', ],
},