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no-sse2 patch: Also fix AudioParamTimeline.cpp in Blink's webaudio

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src/3rdparty/chromium/third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.cpp
This commit is contained in:
Kevin Kofler 2016-07-19 01:24:13 +02:00
parent c3db32f026
commit c2d8c4c162
1 changed files with 39 additions and 0 deletions
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39
qtwebengine-opensource-src-5.7.0-no-sse2.patch
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@ -2020,6 +2020,45 @@ diff -Nur qtwebengine-opensource-src-5.7.0/src/3rdparty/chromium/third_party/qcm
],
}
diff -Nur qtwebengine-opensource-src-5.7.0/src/3rdparty/chromium/third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.cpp qtwebengine-opensource-src-5.7.0-no-sse2/src/3rdparty/chromium/third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.cpp
--- qtwebengine-opensource-src-5.7.0/src/3rdparty/chromium/third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.cpp 2016-05-26 15:53:47.000000000 +0200
+++ qtwebengine-opensource-src-5.7.0-no-sse2/src/3rdparty/chromium/third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.cpp 2016-07-19 00:52:57.847430161 +0200
@@ -32,7 +32,7 @@
#include "wtf/MathExtras.h"
#include <algorithm>
-#if CPU(X86) || CPU(X86_64)
+#if (CPU(X86) && defined(__SSE2__)) || CPU(X86_64)
#include <emmintrin.h>
#endif
@@ -438,7 +438,7 @@
// First handle linear and exponential ramps which require looking ahead to the next event.
if (nextEventType == ParamEvent::LinearRampToValue) {
const float valueDelta = value2 - value1;
-#if CPU(X86) || CPU(X86_64)
+#if (CPU(X86) && defined(__SSE2__)) || CPU(X86_64)
// Minimize in-loop operations. Calculate starting value and increment. Next step: value += inc.
// value = value1 + (currentFrame/sampleRate - time1) * k * (value2 - value1);
// inc = 4 / sampleRate * k * (value2 - value1);
@@ -581,7 +581,7 @@
for (; writeIndex < fillToFrame; ++writeIndex)
values[writeIndex] = target;
} else {
-#if CPU(X86) || CPU(X86_64)
+#if (CPU(X86) && defined(__SSE2__)) || CPU(X86_64)
// Resolve recursion by expanding constants to achieve a 4-step loop unrolling.
// v1 = v0 + (t - v0) * c
// v2 = v1 + (t - v1) * c
@@ -674,7 +674,7 @@
// Render the stretched curve data using linear interpolation. Oversampled
// curve data can be provided if sharp discontinuities are desired.
unsigned k = 0;
-#if CPU(X86) || CPU(X86_64)
+#if (CPU(X86) && defined(__SSE2__)) || CPU(X86_64)
const __m128 vCurveVirtualIndex = _mm_set_ps1(curveVirtualIndex);
const __m128 vCurvePointsPerFrame = _mm_set_ps1(curvePointsPerFrame);
const __m128 vNumberOfCurvePointsM1 = _mm_set_ps1(numberOfCurvePoints - 1);
diff -Nur qtwebengine-opensource-src-5.7.0/src/3rdparty/chromium/third_party/WebKit/Source/platform/audio/DirectConvolver.cpp qtwebengine-opensource-src-5.7.0-no-sse2/src/3rdparty/chromium/third_party/WebKit/Source/platform/audio/DirectConvolver.cpp
--- qtwebengine-opensource-src-5.7.0/src/3rdparty/chromium/third_party/WebKit/Source/platform/audio/DirectConvolver.cpp 2016-05-26 15:53:47.000000000 +0200
+++ qtwebengine-opensource-src-5.7.0-no-sse2/src/3rdparty/chromium/third_party/WebKit/Source/platform/audio/DirectConvolver.cpp 2016-07-17 18:06:40.274812924 +0200