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commit 8946358b26e5b6e19ee4a46fbc6859b8ebd5db4c
parent ef9d84128fca260b63806107368f9e081147da52
Author: Chris Guillott <chris@techfo.xyz>
Date:   Tue,  5 Dec 2017 14:27:52 -0500

revert to former implementation with array size fix

Diffstat:
M
blur.h
 | 
2
+-
M
blur_simd.c
 | 
4
++--

2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/blur.h b/blur.h
@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include <cairo.h>
 
-#define KERNEL_SIZE 8 
+#define KERNEL_SIZE 7 
 #define SIGMA_AV 2
 #define HALF_KERNEL KERNEL_SIZE / 2
 
diff --git a/blur_simd.c b/blur_simd.c
@@ -27,7 +27,7 @@ void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int
             int leftBorder = column < HALF_KERNEL;
             int rightBorder = column > (width - HALF_KERNEL);
             // +1 to make memory checkers not complain
-            uint32_t _rgbaIn[KERNEL_SIZE] __attribute__((aligned(16)));
+            uint32_t _rgbaIn[KERNEL_SIZE + 1] __attribute__((aligned(16)));
             int i = 0;
             if (leftBorder) {
                 // for kernel size 8x8 and column == 0, we have:
@@ -51,7 +51,7 @@ void blur_impl_horizontal_pass_sse2(uint32_t *src, uint32_t *dst, int width, int
                     rgbaIn[k] = _mm_load_si128((__m128i*)(_rgbaIn + 4*k));
             } else {
                 for (int k = 0; k < REGISTERS_CNT; k++) {
-                    printf("\t\tk: %d\n", k);
+                    printf("\t\tk: %d %p\n", k, src);
                     rgbaIn[k] = _mm_load_si128((__m128i*)(src + 4*k - HALF_KERNEL));
                 }
             }