commit 4cca49b13db92b13ca07c1d330ad450d1b10f507
author Tim Murray <timmurray@google.com> Wed Nov 21 14:42:33 2012 -0800
committer Tim Murray <timmurray@google.com> Wed Nov 21 14:42:33 2012 -0800
tree 92f9f25a2ebfbefb8335df8e7902f32325d023d5
parent 18326afe3bce54e92edeeb0c6031b235614a3be8

Fix off-by-one error in convolve3x3.

Bug: 7599424
Change-Id: If668bd1ce2306b53efd20a09d16104cbf9fd4b77

cpu_ref/rsCpuIntrinsicConvolve3x3.cpp

diff --git a/cpu_ref/rsCpuIntrinsicConvolve3x3.cpp b/cpu_ref/rsCpuIntrinsicConvolve3x3.cpp
index 18a5311..1f49e1e 100644
--- a/cpu_ref/rsCpuIntrinsicConvolve3x3.cpp
+++ b/cpu_ref/rsCpuIntrinsicConvolve3x3.cpp
@@ -73,7 +73,7 @@
                         const float* coeff) {
 
     uint32_t x1 = rsMax((int32_t)x-1, 0);
-    uint32_t x2 = rsMin((int32_t)x+1, (int32_t)p->dimX);
+    uint32_t x2 = rsMin((int32_t)x+1, (int32_t)p->dimX-1);
 
     float4 px = convert_float4(py0[x1]) * coeff[0] +
                 convert_float4(py0[x]) * coeff[1] +