/*
 *  Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef LIBYUV_SOURCE_ROW_H_
#define LIBYUV_SOURCE_ROW_H_

#include "libyuv/basic_types.h"

extern "C" {
void FastConvertYUVToRGB32Row(const uint8* y_buf,
                              const uint8* u_buf,
                              const uint8* v_buf,
                              uint8* rgb_buf,
                              int width);

void FastConvertYUVToBGRARow(const uint8* y_buf,
                             const uint8* u_buf,
                             const uint8* v_buf,
                             uint8* rgb_buf,
                             int width);

void FastConvertYUVToABGRRow(const uint8* y_buf,
                             const uint8* u_buf,
                             const uint8* v_buf,
                             uint8* rgb_buf,
                             int width);

void FastConvertYUV444ToRGB32Row(const uint8* y_buf,
                                 const uint8* u_buf,
                                 const uint8* v_buf,
                                 uint8* rgb_buf,
                                 int width);

void FastConvertYToRGB32Row(const uint8* y_buf,
                            uint8* rgb_buf,
                            int width);

#if defined(_MSC_VER)
#define SIMD_ALIGNED(var) __declspec(align(16)) var
#else
#define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
#endif
#ifdef OSX
extern SIMD_ALIGNED(const int16 kCoefficientsRgbY[768][4]);
extern SIMD_ALIGNED(const int16 kCoefficientsBgraY[768][4]);
extern SIMD_ALIGNED(const int16 kCoefficientsAbgrY[768][4]);
#else
extern SIMD_ALIGNED(const int16 _kCoefficientsRgbY[768][4]);
extern SIMD_ALIGNED(const int16 _kCoefficientsBgraY[768][4]);
extern SIMD_ALIGNED(const int16 _kCoefficientsAbgrY[768][4]);
#endif

// Method to force C version.
//#define USE_MMX 0
//#define USE_SSE2 0

#if !defined(USE_MMX)
// Windows, Mac and Linux use MMX
#if defined(__i386__) || defined(_MSC_VER)
#define USE_MMX 1
#else
#define USE_MMX 0
#endif
#endif

#if !defined(USE_SSE2)
#if defined(__SSE2__) || defined(ARCH_CPU_X86_64) || _M_IX86_FP==2
#define USE_SSE2 1
#else
#define USE_SSE2 0
#endif
#endif

// x64 uses MMX2 (SSE) so emms is not required.
// Warning C4799: function has no EMMS instruction.
// EMMS() is slow and should be called by the calling function once per image.
#if USE_MMX && !defined(ARCH_CPU_X86_64)
#if defined(_MSC_VER)
#define EMMS() __asm emms
#pragma warning(disable: 4799)
#else
#define EMMS() asm("emms")
#endif
#else
#define EMMS()
#endif


}  // extern "C"

#endif  // LIBYUV_SOURCE_ROW_H_