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diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/skia/BUILD.gn qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/skia/BUILD.gn
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/skia/BUILD.gn 2017-11-28 14:06:53.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/skia/BUILD.gn 2017-12-25 18:31:12.288797893 +0100
@@ -508,6 +508,24 @@
}
# Separated out so it can be compiled with different flags for SSE.
+if (current_cpu == "arm" && (arm_use_neon || arm_optionally_use_neon)) {
+ source_set("skia_opts_neon") {
+ sources = skia_opts.neon_sources
+ # Root build config sets -mfpu=$arm_fpu, which we expect to be neon
+ # when running this.
+ if (!arm_use_neon) {
+ configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
+ cflags = [ "-mfpu=neon" ]
+ }
+ visibility = [ ":skia_opts" ]
+ configs -= [ "//build/config/compiler:chromium_code" ]
+ configs += [
+ ":skia_config",
+ ":skia_library_config",
+ "//build/config/compiler:no_chromium_code",
+ ]
+ }
+}
if (current_cpu == "arm64") {
source_set("skia_opts_crc32") {
sources = skia_opts.crc32_sources
@@ -644,14 +662,7 @@
if (arm_version >= 7) {
sources = skia_opts.armv7_sources
if (arm_use_neon || arm_optionally_use_neon) {
- sources += skia_opts.neon_sources
-
- # Root build config sets -mfpu=$arm_fpu, which we expect to be neon
- # when running this.
- if (!arm_use_neon) {
- configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
- cflags += [ "-mfpu=neon" ]
- }
+ deps += [ ":skia_opts_neon" ]
}
} else {
sources = skia_opts.none_sources
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/gn/opts.gni qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/gn/opts.gni
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/gn/opts.gni 2017-11-28 14:06:53.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/gn/opts.gni 2017-12-25 18:29:15.083480322 +0100
@@ -23,6 +23,7 @@
"$_src/opts/SkBitmapProcState_matrixProcs_neon.cpp",
"$_src/opts/SkBlitMask_opts_arm_neon.cpp",
"$_src/opts/SkBlitRow_opts_arm_neon.cpp",
+ "$_src/opts/SkOpts_neon.cpp",
]
arm64 = [
@@ -33,6 +34,7 @@
"$_src/opts/SkBlitMask_opts_arm_neon.cpp",
"$_src/opts/SkBlitRow_opts_arm.cpp",
"$_src/opts/SkBlitRow_opts_arm_neon.cpp",
+ "$_src/opts/SkOpts_neon.cpp",
]
crc32 = [ "$_src/opts/SkOpts_crc32.cpp" ]
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState.cpp qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState.cpp
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState.cpp 2017-11-28 14:06:53.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState.cpp 2017-12-25 18:29:22.449374588 +0100
@@ -17,7 +17,7 @@
#include "SkImageEncoder.h"
#include "SkResourceCache.h"
-#if defined(SK_ARM_HAS_NEON)
+#if !SK_ARM_NEON_IS_NONE
// These are defined in src/opts/SkBitmapProcState_arm_neon.cpp
extern const SkBitmapProcState::SampleProc32 gSkBitmapProcStateSample32_neon[];
#endif
@@ -212,7 +212,7 @@
index |= 4;
}
-#if !defined(SK_ARM_HAS_NEON)
+#if !SK_ARM_NEON_IS_ALWAYS
static const SampleProc32 gSkBitmapProcStateSample32[] = {
S32_opaque_D32_nofilter_DXDY,
S32_alpha_D32_nofilter_DXDY,
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_matrixProcs.cpp qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_matrixProcs.cpp
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_matrixProcs.cpp 2017-11-28 14:06:53.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_matrixProcs.cpp 2017-12-25 18:34:09.229257992 +0100
@@ -46,16 +46,16 @@
///////////////////////////////////////////////////////////////////////////////
// Compile neon code paths if needed
-#if defined(SK_ARM_HAS_NEON)
+#if !SK_ARM_NEON_IS_NONE
// These are defined in src/opts/SkBitmapProcState_matrixProcs_neon.cpp
extern const SkBitmapProcState::MatrixProc ClampX_ClampY_Procs_neon[];
extern const SkBitmapProcState::MatrixProc RepeatX_RepeatY_Procs_neon[];
-#endif // defined(SK_ARM_HAS_NEON)
+#endif // !SK_ARM_NEON_IS_NONE
// Compile non-neon code path if needed
-#if !defined(SK_ARM_HAS_NEON)
+#if !SK_ARM_NEON_IS_ALWAYS
#define MAKENAME(suffix) ClampX_ClampY ## suffix
#define TILEX_PROCF(fx, max) SkClampMax((fx) >> 16, max)
#define TILEY_PROCF(fy, max) SkClampMax((fy) >> 16, max)
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkCpu.cpp qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkCpu.cpp
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkCpu.cpp 2017-11-28 14:06:53.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkCpu.cpp 2017-12-25 18:37:45.974144769 +0100
@@ -74,6 +74,124 @@
return features;
}
+#elif defined(SK_CPU_ARM32) && \
+ !defined(SK_BUILD_FOR_ANDROID)
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <pthread.h>
+
+ static uint32_t read_cpu_features() {
+ uint32_t features = 0;
+
+ // If we fail any of the following, assume we don't have NEON/VFPv4 instructions
+ // This allows us to return immediately in case of error.
+ bool have_neon = false;
+ bool have_vfpv4 = false;
+
+ // There is no user-accessible CPUID instruction on ARM that we can use.
+ // Instead, we must parse /proc/cpuinfo and look for the 'neon' feature.
+ // For example, here's a typical output (Nexus S running ICS 4.0.3):
+ /*
+ Processor : ARMv7 Processor rev 2 (v7l)
+ BogoMIPS : 994.65
+ Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3
+ CPU implementer : 0x41
+ CPU architecture: 7
+ CPU variant : 0x2
+ CPU part : 0xc08
+ CPU revision : 2
+
+ Hardware : herring
+ Revision : 000b
+ Serial : 3833c77d6dc000ec
+ */
+ char buffer[4096];
+
+ do {
+ // open /proc/cpuinfo
+ int fd = TEMP_FAILURE_RETRY(open("/proc/cpuinfo", O_RDONLY));
+ if (fd < 0) {
+ SkDebugf("Could not open /proc/cpuinfo: %s\n", strerror(errno));
+ break;
+ }
+
+ // Read the file. To simplify our search, we're going to place two
+ // sentinel '\n' characters: one at the start of the buffer, and one at
+ // the end. This means we reserve the first and last buffer bytes.
+ buffer[0] = '\n';
+ int size = TEMP_FAILURE_RETRY(read(fd, buffer+1, sizeof(buffer)-2));
+ close(fd);
+
+ if (size < 0) { // should not happen
+ SkDebugf("Could not read /proc/cpuinfo: %s\n", strerror(errno));
+ break;
+ }
+
+ SkDebugf("START /proc/cpuinfo:\n%.*s\nEND /proc/cpuinfo\n",
+ size, buffer+1);
+
+ // Compute buffer limit, and place final sentinel
+ char* buffer_end = buffer + 1 + size;
+ buffer_end[0] = '\n';
+
+ // Now, find a line that starts with "Features", i.e. look for
+ // '\nFeatures ' in our buffer.
+ const char features[] = "\nFeatures\t";
+ const size_t features_len = sizeof(features)-1;
+
+ char* line = (char*) memmem(buffer, buffer_end - buffer,
+ features, features_len);
+ if (line == nullptr) { // Weird, no Features line, bad kernel?
+ SkDebugf("Could not find a line starting with 'Features'"
+ "in /proc/cpuinfo ?\n");
+ break;
+ }
+
+ line += features_len; // Skip the "\nFeatures\t" prefix
+
+ // Find the end of the current line
+ char* line_end = (char*) memchr(line, '\n', buffer_end - line);
+ if (line_end == nullptr)
+ line_end = buffer_end;
+
+ // Now find an instance of 'neon' in the flags list. We want to
+ // ensure it's only 'neon' and not something fancy like 'noneon'
+ // so check that it follows a space.
+ const char neon[] = " neon";
+ const size_t neon_len = sizeof(neon)-1;
+ const char* flag = (const char*) memmem(line, line_end - line,
+ neon, neon_len);
+ // Ensure it is followed by a space or a newline.
+ if (flag != nullptr
+ && (flag[neon_len] == ' ' || flag[neon_len] == '\n')) {
+ // Fine, we support Arm NEON !
+ have_neon = true;
+ }
+
+ // Now find an instance of 'vfpv4' in the flags list. We want to
+ // ensure it's only 'vfpv4' and not something fancy like 'novfpv4'
+ // so check that it follows a space.
+ const char vfpv4[] = " vfpv4";
+ const size_t vfpv4_len = sizeof(vfpv4)-1;
+ const char* vflag = (const char*) memmem(line, line_end - line,
+ vfpv4, vfpv4_len);
+ // Ensure it is followed by a space or a newline.
+ if (vflag != nullptr
+ && (vflag[vfpv4_len] == ' ' || vflag[vfpv4_len] == '\n')) {
+ // Fine, we support Arm VFPv4 !
+ have_vfpv4 = true;
+ }
+
+ } while (0);
+
+ if (have_neon) { features |= SkCpu::NEON ; }
+ if (have_neon && have_vfpv4) { features |= SkCpu::NEON_FMA; }
+ if (have_vfpv4) { features |= SkCpu::VFP_FP16; }
+ return features;
+ }
+
#elif defined(SK_CPU_ARM64) && __has_include(<sys/auxv.h>)
#include <sys/auxv.h>
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkOpts.cpp qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkOpts.cpp
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkOpts.cpp 2017-11-28 14:06:53.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkOpts.cpp 2017-12-25 18:34:52.777632875 +0100
@@ -95,6 +95,7 @@
void Init_sse42();
void Init_avx();
void Init_crc32();
+ void Init_neon();
static void init() {
#if !defined(SK_BUILD_NO_OPTS)
@@ -104,6 +105,9 @@
if (SkCpu::Supports(SkCpu::SSE42)) { Init_sse42(); }
if (SkCpu::Supports(SkCpu::AVX )) { Init_avx(); }
+ #elif defined(SK_CPU_ARM32)
+ if (SkCpu::Supports(SkCpu::NEON)) { Init_neon(); }
+
#elif defined(SK_CPU_ARM64)
if (SkCpu::Supports(SkCpu::CRC32)) { Init_crc32(); }
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkUtilsArm.h qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkUtilsArm.h
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/core/SkUtilsArm.h 2017-11-28 14:06:53.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/core/SkUtilsArm.h 2017-12-25 18:34:52.777632875 +0100
@@ -8,12 +8,75 @@
#ifndef SkUtilsArm_DEFINED
#define SkUtilsArm_DEFINED
-#include "SkTypes.h"
+#include "SkCpu.h"
+#include "SkUtils.h"
-#if defined(SK_ARM_HAS_NEON)
- #define SK_ARM_NEON_WRAP(x) (x ## _neon)
+// Define SK_ARM_NEON_MODE to one of the following values
+// corresponding respectively to:
+// - No ARM Neon support at all (not targetting ARMv7-A, or don't have NEON)
+// - Full ARM Neon support (i.e. assume the CPU always supports it)
+// - Optional ARM Neon support (i.e. probe CPU at runtime)
+//
+#define SK_ARM_NEON_MODE_NONE 0
+#define SK_ARM_NEON_MODE_ALWAYS 1
+#define SK_ARM_NEON_MODE_DYNAMIC 2
+
+#if defined(SK_ARM_HAS_OPTIONAL_NEON)
+# define SK_ARM_NEON_MODE SK_ARM_NEON_MODE_DYNAMIC
+#elif defined(SK_ARM_HAS_NEON)
+# define SK_ARM_NEON_MODE SK_ARM_NEON_MODE_ALWAYS
+#else
+# define SK_ARM_NEON_MODE SK_ARM_NEON_MODE_NONE
+#endif
+
+// Convenience test macros, always defined as 0 or 1
+#define SK_ARM_NEON_IS_NONE (SK_ARM_NEON_MODE == SK_ARM_NEON_MODE_NONE)
+#define SK_ARM_NEON_IS_ALWAYS (SK_ARM_NEON_MODE == SK_ARM_NEON_MODE_ALWAYS)
+#define SK_ARM_NEON_IS_DYNAMIC (SK_ARM_NEON_MODE == SK_ARM_NEON_MODE_DYNAMIC)
+
+// The sk_cpu_arm_has_neon() function returns true iff the target device
+// is ARMv7-A and supports Neon instructions. In DYNAMIC mode, this actually
+// probes the CPU at runtime (and caches the result).
+
+static inline bool sk_cpu_arm_has_neon(void) {
+#if SK_ARM_NEON_IS_NONE
+ return false;
#else
- #define SK_ARM_NEON_WRAP(x) (x)
+ return SkCpu::Supports(SkCpu::NEON);
+#endif
+}
+
+// Use SK_ARM_NEON_WRAP(symbol) to map 'symbol' to a NEON-specific symbol
+// when applicable. This will transform 'symbol' differently depending on
+// the current NEON configuration, i.e.:
+//
+// NONE -> 'symbol'
+// ALWAYS -> 'symbol_neon'
+// DYNAMIC -> 'symbol' or 'symbol_neon' depending on runtime check.
+//
+// The goal is to simplify user code, for example:
+//
+// return SK_ARM_NEON_WRAP(do_something)(params);
+//
+// Replaces the equivalent:
+//
+// #if SK_ARM_NEON_IS_NONE
+// return do_something(params);
+// #elif SK_ARM_NEON_IS_ALWAYS
+// return do_something_neon(params);
+// #elif SK_ARM_NEON_IS_DYNAMIC
+// if (sk_cpu_arm_has_neon())
+// return do_something_neon(params);
+// else
+// return do_something(params);
+// #endif
+//
+#if SK_ARM_NEON_IS_NONE
+# define SK_ARM_NEON_WRAP(x) (x)
+#elif SK_ARM_NEON_IS_ALWAYS
+# define SK_ARM_NEON_WRAP(x) (x ## _neon)
+#elif SK_ARM_NEON_IS_DYNAMIC
+# define SK_ARM_NEON_WRAP(x) (sk_cpu_arm_has_neon() ? x ## _neon : x)
#endif
#endif // SkUtilsArm_DEFINED
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/opts/SkOpts_neon.cpp qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/opts/SkOpts_neon.cpp
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/third_party/skia/src/opts/SkOpts_neon.cpp 1970-01-01 01:00:00.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-skia-neon/src/3rdparty/chromium/third_party/skia/src/opts/SkOpts_neon.cpp 2017-12-26 01:45:00.514114716 +0100
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkOpts.h"
+
+#define SK_OPTS_NS sk_neon
+#include "SkBlitMask_opts.h"
+#include "SkBlitRow_opts.h"
+#include "SkBlurImageFilter_opts.h"
+#include "SkMorphologyImageFilter_opts.h"
+#include "SkSwizzler_opts.h"
+#include "SkXfermode_opts.h"
+
+namespace SkOpts {
+ void Init_neon() {
+ create_xfermode = sk_neon::create_xfermode;
+
+ box_blur_xx = sk_neon::box_blur_xx;
+ box_blur_xy = sk_neon::box_blur_xy;
+ box_blur_yx = sk_neon::box_blur_yx;
+
+ dilate_x = sk_neon::dilate_x;
+ dilate_y = sk_neon::dilate_y;
+ erode_x = sk_neon::erode_x;
+ erode_y = sk_neon::erode_y;
+
+ blit_mask_d32_a8 = sk_neon::blit_mask_d32_a8;
+
+ blit_row_color32 = sk_neon::blit_row_color32;
+ blit_row_s32a_opaque = sk_neon::blit_row_s32a_opaque;
+
+ RGBA_to_BGRA = sk_neon::RGBA_to_BGRA;
+ RGBA_to_rgbA = sk_neon::RGBA_to_rgbA;
+ RGBA_to_bgrA = sk_neon::RGBA_to_bgrA;
+ RGB_to_RGB1 = sk_neon::RGB_to_RGB1;
+ RGB_to_BGR1 = sk_neon::RGB_to_BGR1;
+ gray_to_RGB1 = sk_neon::gray_to_RGB1;
+ grayA_to_RGBA = sk_neon::grayA_to_RGBA;
+ grayA_to_rgbA = sk_neon::grayA_to_rgbA;
+ inverted_CMYK_to_RGB1 = sk_neon::inverted_CMYK_to_RGB1;
+ inverted_CMYK_to_BGR1 = sk_neon::inverted_CMYK_to_BGR1;
+ }
+}
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