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42 lines
1.6 KiB
C++
42 lines
1.6 KiB
C++
///////////////////////////////////////////////////////////////////////
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// File: simddetect.h
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// Description: Architecture detector.
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// Author: Stefan Weil (based on code from Ray Smith)
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//
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// (C) Copyright 2014, Google Inc.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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///////////////////////////////////////////////////////////////////////
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#include "platform.h"
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// Architecture detector. Add code here to detect any other architectures for
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// SIMD-based faster dot product functions. Intended to be a single static
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// object, but it does no real harm to have more than one.
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class SIMDDetect {
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public:
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// Returns true if AVX is available on this system.
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static inline bool IsAVXAvailable() { return detector.avx_available_; }
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// Returns true if SSE4.1 is available on this system.
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static inline bool IsSSEAvailable() { return detector.sse_available_; }
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private:
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// Constructor, must set all static member variables.
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SIMDDetect();
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private:
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// Singleton.
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static SIMDDetect detector;
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// If true, then AVX has been detected.
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static TESS_API bool avx_available_;
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// If true, then SSe4.1 has been detected.
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static TESS_API bool sse_available_;
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};
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