mirror of
https://chromium.googlesource.com/libyuv/libyuv
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aed1cc94c1
git-svn-id: http://libyuv.googlecode.com/svn/trunk@2 16f28f9a-4ce2-e073-06de-1de4eb20be90
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
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* Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef LIBYUV_SOURCE_ROW_H_
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#define LIBYUV_SOURCE_ROW_H_
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#include "basic_types.h"
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extern "C" {
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// Can only do 1x.
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// This is the second fastest of the scalers.
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void FastConvertYUVToRGB32Row(const uint8* y_buf,
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const uint8* u_buf,
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const uint8* v_buf,
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uint8* rgb_buf,
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int width);
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#if defined(_MSC_VER)
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#define SIMD_ALIGNED(var) __declspec(align(16)) var
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#else
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#define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
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#endif
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#ifdef OSX
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extern SIMD_ALIGNED(const int16 kCoefficientsRgbY[768][4]);
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#else
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extern SIMD_ALIGNED(const int16 _kCoefficientsRgbY[768][4]);
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#endif
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// Method to force C version.
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//#define USE_MMX 0
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//#define USE_SSE2 0
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#if !defined(USE_MMX)
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// Windows, Mac and Linux use MMX
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#if defined(__i386__) || defined(_MSC_VER)
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#define USE_MMX 1
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#else
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#define USE_MMX 0
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#endif
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#endif
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#if !defined(USE_SSE2)
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#if defined(__SSE2__) || defined(ARCH_CPU_X86_64) || _M_IX86_FP==2
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#define USE_SSE2 1
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#else
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#define USE_SSE2 0
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#endif
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#endif
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// x64 uses MMX2 (SSE) so emms is not required.
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// Warning C4799: function has no EMMS instruction.
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// EMMS() is slow and should be called by the calling function once per image.
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#if USE_MMX && !defined(ARCH_CPU_X86_64)
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#if defined(_MSC_VER)
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#define EMMS() __asm emms
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#pragma warning(disable: 4799)
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#else
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#define EMMS() asm("emms")
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#endif
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#else
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#define EMMS()
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#endif
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} // extern "C"
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#endif // LIBYUV_SOURCE_ROW_H_
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