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Minor style changes

master
Sebastian Frysztak 8 years ago
parent
3598cf19e8
commit
024dc2980e
2 changed files with 4 additions and 5 deletions
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  1. 4
      blur.c
  2. 5
      blur_simd.c

4
blur.c
View File

@ -1,6 +1,6 @@
/* /*
* Copyright © 2008 Kristian Høgsberg * Copyright © 2008 Kristian Høgsberg
* Copyright © 2009 Chris Wilson * Copyright © 2009 Chris Wilson
* *
* Permission to use, copy, modify, distribute, and sell this software and its * Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that * documentation for any purpose is hereby granted without fee, provided that

5
blur_simd.c
View File

@ -10,7 +10,6 @@
#include "blur.h" #include "blur.h"
#include <xmmintrin.h> #include <xmmintrin.h>
#define ALIGN16 __attribute__((aligned(16)))
// number of xmm registers needed to store input pixels for given kernel size // number of xmm registers needed to store input pixels for given kernel size
#define REGISTERS_CNT (KERNEL_SIZE + 4/2) / 4 #define REGISTERS_CNT (KERNEL_SIZE + 4/2) / 4
@ -22,7 +21,7 @@ void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int
// handle borders // handle borders
int leftBorder = column < HALF_KERNEL; int leftBorder = column < HALF_KERNEL;
int rightBorder = column > width - HALF_KERNEL; int rightBorder = column > width - HALF_KERNEL;
uint32_t _rgbaIn[KERNEL_SIZE] ALIGN16; uint32_t _rgbaIn[KERNEL_SIZE] __attribute__((aligned(16)));
int i = 0; int i = 0;
if (leftBorder) { if (leftBorder) {
// for kernel size 7x7 and column == 0, we have: // for kernel size 7x7 and column == 0, we have:
@ -65,7 +64,7 @@ void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int
// multiplication is significantly faster than division // multiplication is significantly faster than division
acc = _mm_cvtps_epi32(_mm_mul_ps(_mm_cvtepi32_ps(acc), acc = _mm_cvtps_epi32(_mm_mul_ps(_mm_cvtepi32_ps(acc),
_mm_set1_ps(1/((float)KERNEL_SIZE)))); _mm_set1_ps(1.0/KERNEL_SIZE)));
*(dst + height * column + row) = *(dst + height * column + row) =
_mm_cvtsi128_si32(_mm_packus_epi16(_mm_packs_epi32(acc, zero), zero)); _mm_cvtsi128_si32(_mm_packus_epi16(_mm_packs_epi32(acc, zero), zero));

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