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Optimize pyrUp_unrolled() by mad function.

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It could improve performance when image size is large.
E.g. OCL_PyrUpFixture_PyrUp.PyrUp/18
This commit is contained in:
Yan Wang 2014-11-26 16:55:08 +08:00
parent 73ba435610
commit 6e7050555e
1 changed files with 15 additions and 15 deletions
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30
modules/imgproc/src/opencl/pyr_up.cl
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@ -165,27 +165,27 @@ __kernel void pyrUp_unrolled(__global const uchar * src, int src_step, int src_o
// (x,y) // (x,y)
sum = co3 * s_srcPatch[1 + (ly >> 1)][1 + ((lx - 2) >> 1)]; sum = co3 * s_srcPatch[1 + (ly >> 1)][1 + ((lx - 2) >> 1)];
sum = sum + co1 * s_srcPatch[1 + (ly >> 1)][1 + ((lx ) >> 1)]; sum = mad(co1, s_srcPatch[1 + (ly >> 1)][1 + ((lx ) >> 1)], sum);
sum = sum + co3 * s_srcPatch[1 + (ly >> 1)][1 + ((lx + 2) >> 1)]; sum = mad(co3, s_srcPatch[1 + (ly >> 1)][1 + ((lx + 2) >> 1)], sum);
s_dstPatch[1 + get_local_id(1)][lx] = sum; s_dstPatch[1 + get_local_id(1)][lx] = sum;
// (x+1,y) // (x+1,y)
sum = co2 * s_srcPatch[1 + (ly >> 1)][1 + ((lx + 1 - 1) >> 1)]; sum = co2 * s_srcPatch[1 + (ly >> 1)][1 + ((lx + 1 - 1) >> 1)];
sum = sum + co2 * s_srcPatch[1 + (ly >> 1)][1 + ((lx + 1 + 1) >> 1)]; sum = mad(co2, s_srcPatch[1 + (ly >> 1)][1 + ((lx + 1 + 1) >> 1)], sum);
s_dstPatch[1 + get_local_id(1)][lx+1] = sum; s_dstPatch[1 + get_local_id(1)][lx+1] = sum;
if (ly < 1) if (ly < 1)
{ {
// (x,y) // (x,y)
sum = co3 * s_srcPatch[0][1 + ((lx - 2) >> 1)]; sum = co3 * s_srcPatch[0][1 + ((lx - 2) >> 1)];
sum = sum + co1 * s_srcPatch[0][1 + ((lx ) >> 1)]; sum = mad(co1, s_srcPatch[0][1 + ((lx ) >> 1)], sum);
sum = sum + co3 * s_srcPatch[0][1 + ((lx + 2) >> 1)]; sum = mad(co3, s_srcPatch[0][1 + ((lx + 2) >> 1)], sum);
s_dstPatch[0][lx] = sum; s_dstPatch[0][lx] = sum;
// (x+1,y) // (x+1,y)
sum = co2 * s_srcPatch[0][1 + ((lx + 1 - 1) >> 1)]; sum = co2 * s_srcPatch[0][1 + ((lx + 1 - 1) >> 1)];
sum = sum + co2 * s_srcPatch[0][1 + ((lx + 1 + 1) >> 1)]; sum = mad(co2, s_srcPatch[0][1 + ((lx + 1 + 1) >> 1)], sum);
s_dstPatch[0][lx+1] = sum; s_dstPatch[0][lx+1] = sum;
} }
@ -193,13 +193,13 @@ __kernel void pyrUp_unrolled(__global const uchar * src, int src_step, int src_o
{ {
// (x,y) // (x,y)
sum = co3 * s_srcPatch[LOCAL_SIZE+1][1 + ((lx - 2) >> 1)]; sum = co3 * s_srcPatch[LOCAL_SIZE+1][1 + ((lx - 2) >> 1)];
sum = sum + co1 * s_srcPatch[LOCAL_SIZE+1][1 + ((lx ) >> 1)]; sum = mad(co1, s_srcPatch[LOCAL_SIZE+1][1 + ((lx ) >> 1)], sum);
sum = sum + co3 * s_srcPatch[LOCAL_SIZE+1][1 + ((lx + 2) >> 1)]; sum = mad(co3, s_srcPatch[LOCAL_SIZE+1][1 + ((lx + 2) >> 1)], sum);
s_dstPatch[LOCAL_SIZE+1][lx] = sum; s_dstPatch[LOCAL_SIZE+1][lx] = sum;
// (x+1,y) // (x+1,y)
sum = co2 * s_srcPatch[LOCAL_SIZE+1][1 + ((lx + 1 - 1) >> 1)]; sum = co2 * s_srcPatch[LOCAL_SIZE+1][1 + ((lx + 1 - 1) >> 1)];
sum = sum + co2 * s_srcPatch[LOCAL_SIZE+1][1 + ((lx + 1 + 1) >> 1)]; sum = mad(co2, s_srcPatch[LOCAL_SIZE+1][1 + ((lx + 1 + 1) >> 1)], sum);
s_dstPatch[LOCAL_SIZE+1][lx+1] = sum; s_dstPatch[LOCAL_SIZE+1][lx+1] = sum;
} }
@ -211,24 +211,24 @@ __kernel void pyrUp_unrolled(__global const uchar * src, int src_step, int src_o
{ {
// (x,y) // (x,y)
sum = co3 * s_dstPatch[1 + get_local_id(1) - 1][lx]; sum = co3 * s_dstPatch[1 + get_local_id(1) - 1][lx];
sum = sum + co1 * s_dstPatch[1 + get_local_id(1) ][lx]; sum = mad(co1, s_dstPatch[1 + get_local_id(1) ][lx], sum);
sum = sum + co3 * s_dstPatch[1 + get_local_id(1) + 1][lx]; sum = mad(co3, s_dstPatch[1 + get_local_id(1) + 1][lx], sum);
storepix(convertToT(sum), dstData + dst_y * dst_step + dst_x * PIXSIZE); storepix(convertToT(sum), dstData + dst_y * dst_step + dst_x * PIXSIZE);
// (x+1,y) // (x+1,y)
sum = co3 * s_dstPatch[1 + get_local_id(1) - 1][lx+1]; sum = co3 * s_dstPatch[1 + get_local_id(1) - 1][lx+1];
sum = sum + co1 * s_dstPatch[1 + get_local_id(1) ][lx+1]; sum = mad(co1, s_dstPatch[1 + get_local_id(1) ][lx+1], sum);
sum = sum + co3 * s_dstPatch[1 + get_local_id(1) + 1][lx+1]; sum = mad(co3, s_dstPatch[1 + get_local_id(1) + 1][lx+1], sum);
storepix(convertToT(sum), dstData + dst_y * dst_step + (dst_x+1) * PIXSIZE); storepix(convertToT(sum), dstData + dst_y * dst_step + (dst_x+1) * PIXSIZE);
// (x,y+1) // (x,y+1)
sum = co2 * s_dstPatch[1 + get_local_id(1) ][lx]; sum = co2 * s_dstPatch[1 + get_local_id(1) ][lx];
sum = sum + co2 * s_dstPatch[1 + get_local_id(1) + 1][lx]; sum = mad(co2, s_dstPatch[1 + get_local_id(1) + 1][lx], sum);
storepix(convertToT(sum), dstData + (dst_y+1) * dst_step + dst_x * PIXSIZE); storepix(convertToT(sum), dstData + (dst_y+1) * dst_step + dst_x * PIXSIZE);
// (x+1,y+1) // (x+1,y+1)
sum = co2 * s_dstPatch[1 + get_local_id(1) ][lx+1]; sum = co2 * s_dstPatch[1 + get_local_id(1) ][lx+1];
sum = sum + co2 * s_dstPatch[1 + get_local_id(1) + 1][lx+1]; sum = mad(co2, s_dstPatch[1 + get_local_id(1) + 1][lx+1], sum);
storepix(convertToT(sum), dstData + (dst_y+1) * dst_step + (dst_x+1) * PIXSIZE); storepix(convertToT(sum), dstData + (dst_y+1) * dst_step + (dst_x+1) * PIXSIZE);
} }
} }