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added test for gpu:columnSum

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This commit is contained in:
Alexey Spizhevoy
2010-12-08 16:51:12 +00:00
parent fa322bf46f
commit 9801d07a46
2 changed files with 58 additions and 5 deletions
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12
modules/gpu/src/cuda/imgproc.cu
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@@ -723,16 +723,18 @@ namespace cv { namespace gpu { namespace imgproc
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
const float* src_data = (const float*)src.data + x;
float* dst_data = (float*)dst.data + x;
if (x < cols)
{
const unsigned char* src_data = src.data + x * sizeof(float);
unsigned char* dst_data = dst.data + x * sizeof(float);
float sum = 0.f;
for (int y = 0; y < rows; ++y)
{
sum += src_data[y];
dst_data[y] = sum;
sum += *(const float*)src_data;
*(float*)dst_data = sum;
src_data += src.step;
dst_data += dst.step;
}
}
}