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improved texture usage:

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* use explicit extrapolation only for sub-matrixes
* use built-in interpolation for INTER_NEAREST mode
pull/1336/head
Vladislav Vinogradov 12 years ago
parent 241cc417f9
commit d1f6a23abf
1 changed files with 19 additions and 22 deletions
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  1. 41
      modules/gpu/src/cuda/resize.cu

41
modules/gpu/src/cuda/resize.cu
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@ -220,17 +220,21 @@ namespace cv { namespace gpu { namespace device
{ \
const dim3 block(32, 8); \
const dim3 grid(divUp(dst.cols, block.x), divUp(dst.rows, block.y)); \
bindTexture(&tex_resize_ ## type, srcWhole); \
tex_resize_ ## type ## _reader texSrc; \
texSrc.xoff = xoff; \
texSrc.yoff = yoff; \
if (srcWhole.cols == src.cols && srcWhole.rows == src.rows) \
if (srcWhole.data == src.data) \
{ \
bindTexture(&tex_resize_ ## type, src); \
tex_resize_ ## type ## _reader texSrc; \
texSrc.xoff = 0; \
texSrc.yoff = 0; \
Filter<tex_resize_ ## type ## _reader> filteredSrc(texSrc); \
resize<<<grid, block>>>(filteredSrc, fx, fy, dst); \
} \
else \
{ \
bindTexture(&tex_resize_ ## type, srcWhole); \
tex_resize_ ## type ## _reader texSrc; \
texSrc.xoff = xoff; \
texSrc.yoff = yoff; \
BrdReplicate< type > brd(src.rows, src.cols); \
BorderReader<tex_resize_ ## type ## _reader, BrdReplicate< type > > brdSrc(texSrc, brd); \
Filter< BorderReader<tex_resize_ ## type ## _reader, BrdReplicate< type > > > filteredSrc(brdSrc); \
@ -250,18 +254,7 @@ namespace cv { namespace gpu { namespace device
tex_resize_ ## type ## _reader texSrc; \
texSrc.xoff = xoff; \
texSrc.yoff = yoff; \
if (srcWhole.cols == src.cols && srcWhole.rows == src.rows) \
{ \
PointFilter<tex_resize_ ## type ## _reader> filteredSrc(texSrc); \
resize<<<grid, block>>>(filteredSrc, fx, fy, dst); \
} \
else \
{ \
BrdReplicate< type > brd(src.rows, src.cols); \
BorderReader<tex_resize_ ## type ## _reader, BrdReplicate< type > > brdSrc(texSrc, brd); \
PointFilter< BorderReader<tex_resize_ ## type ## _reader, BrdReplicate< type > > > filteredSrc(brdSrc); \
resize<<<grid, block>>>(filteredSrc, fx, fy, dst); \
} \
resize<<<grid, block>>>(texSrc, fx, fy, dst); \
cudaSafeCall( cudaGetLastError() ); \
cudaSafeCall( cudaDeviceSynchronize() ); \
} \
@ -272,17 +265,21 @@ namespace cv { namespace gpu { namespace device
{ \
const dim3 block(32, 8); \
const dim3 grid(divUp(dst.cols, block.x), divUp(dst.rows, block.y)); \
bindTexture(&tex_resize_ ## type, srcWhole); \
tex_resize_ ## type ## _reader texSrc; \
texSrc.xoff = xoff; \
texSrc.yoff = yoff; \
if (srcWhole.cols == src.cols && srcWhole.rows == src.rows) \
if (srcWhole.data == src.data) \
{ \
bindTexture(&tex_resize_ ## type, src); \
tex_resize_ ## type ## _reader texSrc; \
texSrc.xoff = 0; \
texSrc.yoff = 0; \
LinearFilter<tex_resize_ ## type ## _reader> filteredSrc(texSrc); \
resize<<<grid, block>>>(filteredSrc, fx, fy, dst); \
} \
else \
{ \
bindTexture(&tex_resize_ ## type, srcWhole); \
tex_resize_ ## type ## _reader texSrc; \
texSrc.xoff = xoff; \
texSrc.yoff = yoff; \
BrdReplicate< type > brd(src.rows, src.cols); \
BorderReader<tex_resize_ ## type ## _reader, BrdReplicate< type > > brdSrc(texSrc, brd); \
LinearFilter< BorderReader<tex_resize_ ## type ## _reader, BrdReplicate< type > > > filteredSrc(brdSrc); \

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