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resize area with block scan

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This commit is contained in:
Marina Kolpakova
2012-06-18 09:00:36 +00:00
parent 81c6adb959
commit f7c1d16b38
3 changed files with 9 additions and 9 deletions
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5
modules/gpu/src/cuda/resize.cu
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@@ -620,7 +620,6 @@ namespace cv { namespace gpu { namespace device
{
(void)interpolation;
//TODO: add assert to picture size
int iscale_x = round(fx);
int iscale_y = round(fy);
@@ -641,8 +640,8 @@ namespace cv { namespace gpu { namespace device
thred_lines = divUp(src.rows, threads);
blocks = dst.cols * thred_lines;
printf("device code executed for Y coordinate with:\nwarps %d, threads %d, thred_lines %d, blocks %d\n",
warps, threads, thred_lines, blocks);
printf("device code executed for Y coordinate with:\nsize %d warps %d, threads %d, thred_lines %d, blocks %d\n",
dst.rows, warps, threads, thred_lines, blocks);
resise_scan_fast_y<T, smem_type><<<blocks, threads, warps * 32 * sizeof(smem_type)>>>
(buffer, dst, iscale_x, iscale_y, thred_lines);

1
modules/gpu/src/resize.cpp
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@@ -94,6 +94,7 @@ void cv::gpu::resize(const GpuMat& src, GpuMat& dst, GpuMat& buffer, Size dsize,
CV_Assert(interpolation == INTER_AREA);
CV_Assert( (fx < 1.0) && (fy < 1.0));
CV_Assert(!(dsize == Size()) || (fx > 0 && fy > 0));
CV_Assert(src.cols >= 128 && src.rows >= 128);
if (dsize == Size())
dsize = Size(saturate_cast<int>(src.cols * fx), saturate_cast<int>(src.rows * fy));