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fix bug of ocl::canny

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This commit is contained in:
yao
2012-09-04 08:51:08 +08:00
parent 778c31a1c8
commit 8f8a69d6f5
1 changed files with 21 additions and 19 deletions
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10
modules/ocl/src/kernels/imgproc_canny.cl
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@@ -100,8 +100,6 @@ __kernel
__local int smem[16][18]; __local int smem[16][18];
if(gidy < rows)
{
smem[lidy][lidx + 1] = src[gidx + gidy * src_step + src_offset]; smem[lidy][lidx + 1] = src[gidx + gidy * src_step + src_offset];
if(lidx == 0) if(lidx == 0)
{ {
@@ -109,6 +107,10 @@ __kernel
smem[lidy][17] = src[min(gidx + 16, cols - 1) + gidy * src_step + src_offset]; smem[lidy][17] = src[min(gidx + 16, cols - 1) + gidy * src_step + src_offset];
} }
barrier(CLK_LOCAL_MEM_FENCE); barrier(CLK_LOCAL_MEM_FENCE);
if(gidy < rows)
{
if(gidx < cols) if(gidx < cols)
{ {
dx_buf[gidx + gidy * dx_buf_step + dx_buf_offset] = dx_buf[gidx + gidy * dx_buf_step + dx_buf_offset] =
@@ -169,8 +171,6 @@ __kernel
__local int sdx[18][16]; __local int sdx[18][16];
__local int sdy[18][16]; __local int sdy[18][16];
if(gidx < cols)
{
sdx[lidy + 1][lidx] = dx_buf[gidx + gidy * dx_buf_step + dx_buf_offset]; sdx[lidy + 1][lidx] = dx_buf[gidx + gidy * dx_buf_step + dx_buf_offset];
sdy[lidy + 1][lidx] = dy_buf[gidx + gidy * dy_buf_step + dy_buf_offset]; sdy[lidy + 1][lidx] = dy_buf[gidx + gidy * dy_buf_step + dy_buf_offset];
if(lidy == 0) if(lidy == 0)
@@ -183,6 +183,8 @@ __kernel
} }
barrier(CLK_LOCAL_MEM_FENCE); barrier(CLK_LOCAL_MEM_FENCE);
if(gidx < cols)
{
if(gidy < rows) if(gidy < rows)
{ {
int x = sdx[lidy][lidx] + 2 * sdx[lidy + 1][lidx] + sdx[lidy + 2][lidx]; int x = sdx[lidy][lidx] + 2 * sdx[lidy + 1][lidx] + sdx[lidy + 2][lidx];