diff options
| author | Kacper Michajłow <kasper93@gmail.com> | 2017-08-21 21:22:47 +0300 |
|---|---|---|
| committer | Kacper Michajłow <kasper93@gmail.com> | 2017-08-28 00:14:47 +0300 |
| commit | 90c2393a8a59fba67f36f6f802a3ca2fbfce6be5 (patch) | |
| tree | 75c62ac1a4adccabc46e3d8abfc146591047ae07 | |
| parent | 53b8c0638aae24f857f018c78de03f507a17cbf6 (diff) | |
Check if OS supports AVX.
| -rw-r--r-- | src/Subtitles/Rasterizer.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Subtitles/Rasterizer.cpp b/src/Subtitles/Rasterizer.cpp index 050dd8c31..e4346681a 100644 --- a/src/Subtitles/Rasterizer.cpp +++ b/src/Subtitles/Rasterizer.cpp @@ -38,6 +38,7 @@ Rasterizer::Rasterizer() , mpPathTypes(nullptr)
, mpPathPoints(nullptr)
, mPathPoints(0)
+ , m_bUseAVX2(false)
, mpEdgeBuffer(nullptr)
, mEdgeHeapSize(0)
, mEdgeNext(0)
@@ -49,7 +50,7 @@ Rasterizer::Rasterizer() return;
}
__cpuidex(cpuInfo, 7, 0);
- m_bUseAVX2 = !!(cpuInfo[1] & (1 << 5));
+ m_bUseAVX2 = !!(cpuInfo[1] & (1 << 5)) && (_xgetbv(_XCR_XFEATURE_ENABLED_MASK) & 0x6) == 0x6;
}
Rasterizer::~Rasterizer()
|