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Optimizations for OpenCL color conversion.

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This commit is contained in:
Aaron Kunze 2014-03-20 15:55:40 -07:00
parent 5600bc54f4
commit bea2515f0e
2 changed files with 844 additions and 614 deletions
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63
modules/imgproc/src/color.cpp
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@ -2703,6 +2703,17 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
if (depth != CV_8U && depth != CV_16U && depth != CV_32F)
return false;
cv::String opts = format("-D depth=%d -D scn=%d ", depth, scn);
ocl::Device dev = ocl::Device::getDefault();
int pxPerWIy = 1;
if (dev.isIntel() && (dev.type() & ocl::Device::TYPE_GPU))
{
pxPerWIy = 4;
}
globalsize[1] /= pxPerWIy;
opts += format("-D PIX_PER_WI_Y=%d ", pxPerWIy);
switch (code)
{
case COLOR_BGR2BGRA: case COLOR_RGB2BGRA: case COLOR_BGRA2BGR:
@ -2712,7 +2723,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dcn = code == COLOR_BGR2BGRA || code == COLOR_RGB2BGRA || code == COLOR_BGRA2RGBA ? 4 : 3;
bool reverse = !(code == COLOR_BGR2BGRA || code == COLOR_BGRA2BGR);
k.create("RGB", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=%d -D dcn=%d -D bidx=0 -D %s", depth, scn, dcn,
opts + format("-D dcn=%d -D bidx=0 -D %s", dcn,
reverse ? "REVERSE" : "ORDER"));
break;
}
@ -2726,7 +2737,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
int greenbits = code == COLOR_BGR5652BGR || code == COLOR_BGR5652RGB ||
code == COLOR_BGR5652BGRA || code == COLOR_BGR5652RGBA ? 6 : 5;
k.create("RGB5x52RGB", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=2 -D dcn=%d -D bidx=%d -D greenbits=%d", depth, dcn, bidx, greenbits));
opts + format("-D dcn=%d -D bidx=%d -D greenbits=%d", dcn, bidx, greenbits));
break;
}
case COLOR_BGR2BGR565: case COLOR_BGR2BGR555: case COLOR_RGB2BGR565: case COLOR_RGB2BGR555:
@ -2739,7 +2750,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
code == COLOR_BGRA2BGR565 || code == COLOR_RGBA2BGR565 ? 6 : 5;
dcn = 2;
k.create("RGB2RGB5x5", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=%d -D dcn=2 -D bidx=%d -D greenbits=%d", depth, scn, bidx, greenbits));
opts + format("-D dcn=2 -D bidx=%d -D greenbits=%d", bidx, greenbits));
break;
}
case COLOR_BGR5652GRAY: case COLOR_BGR5552GRAY:
@ -2748,7 +2759,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dcn = 1;
int greenbits = code == COLOR_BGR5652GRAY ? 6 : 5;
k.create("BGR5x52Gray", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=2 -D dcn=1 -D bidx=0 -D greenbits=%d", depth, greenbits));
opts + format("-D dcn=1 -D bidx=0 -D greenbits=%d", greenbits));
break;
}
case COLOR_GRAY2BGR565: case COLOR_GRAY2BGR555:
@ -2757,7 +2768,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dcn = 2;
int greenbits = code == COLOR_GRAY2BGR565 ? 6 : 5;
k.create("Gray2BGR5x5", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=1 -D dcn=2 -D bidx=0 -D greenbits=%d", depth, greenbits));
opts + format("-D dcn=2 -D bidx=0 -D greenbits=%d", greenbits));
break;
}
case COLOR_BGR2GRAY: case COLOR_BGRA2GRAY:
@ -2767,8 +2778,8 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
bidx = code == COLOR_BGR2GRAY || code == COLOR_BGRA2GRAY ? 0 : 2;
dcn = 1;
k.create("RGB2Gray", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=%d -D dcn=1 -D bidx=%d -D STRIPE_SIZE=%d",
depth, scn, bidx, stripeSize));
opts + format("-D dcn=1 -D bidx=%d -D STRIPE_SIZE=%d",
bidx, stripeSize));
globalsize[0] = (src.cols + stripeSize-1)/stripeSize;
break;
}
@ -2778,7 +2789,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
CV_Assert(scn == 1);
dcn = code == COLOR_GRAY2BGRA ? 4 : 3;
k.create("Gray2RGB", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D bidx=0 -D scn=1 -D dcn=%d", depth, dcn));
opts + format("-D bidx=0 -D dcn=%d", dcn));
break;
}
case COLOR_BGR2YUV:
@ -2788,7 +2799,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
bidx = code == COLOR_RGB2YUV ? 0 : 2;
dcn = 3;
k.create("RGB2YUV", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=%d -D dcn=3 -D bidx=%d", depth, scn, bidx));
opts + format("-D dcn=3 -D bidx=%d", bidx));
break;
}
case COLOR_YUV2BGR:
@ -2798,7 +2809,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
CV_Assert(dcn == 3 || dcn == 4);
bidx = code == COLOR_YUV2RGB ? 0 : 2;
k.create("YUV2RGB", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=3 -D dcn=%d -D bidx=%d", depth, dcn, bidx));
opts + format("-D dcn=%d -D bidx=%d", dcn, bidx));
break;
}
case COLOR_YUV2RGB_NV12: case COLOR_YUV2BGR_NV12:
@ -2811,7 +2822,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dstSz = Size(sz.width, sz.height * 2 / 3);
k.create("YUV2RGB_NV12", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=0 -D scn=1 -D dcn=%d -D bidx=%d", dcn, bidx));
opts + format("-D dcn=%d -D bidx=%d", dcn, bidx));
break;
}
case COLOR_BGR2YCrCb:
@ -2821,7 +2832,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
bidx = code == COLOR_BGR2YCrCb ? 0 : 2;
dcn = 3;
k.create("RGB2YCrCb", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=%d -D dcn=3 -D bidx=%d", depth, scn, bidx));
opts + format("-D dcn=3 -D bidx=%d", bidx));
break;
}
case COLOR_YCrCb2BGR:
@ -2832,7 +2843,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
CV_Assert(scn == 3 && (dcn == 3 || dcn == 4));
bidx = code == COLOR_YCrCb2BGR ? 0 : 2;
k.create("YCrCb2RGB", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=%d -D dcn=%d -D bidx=%d", depth, scn, dcn, bidx));
opts + format("-D dcn=%d -D bidx=%d", dcn, bidx));
break;
}
case COLOR_BGR2XYZ: case COLOR_RGB2XYZ:
@ -2878,7 +2889,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dst = _dst.getUMat();
k.create("RGB2XYZ", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=%d -D dcn=3 -D bidx=%d", depth, scn, bidx));
opts + format("-D dcn=3 -D bidx=%d", bidx));
if (k.empty())
return false;
k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::WriteOnly(dst), ocl::KernelArg::PtrReadOnly(c));
@ -2929,7 +2940,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dst = _dst.getUMat();
k.create("XYZ2RGB", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D scn=3 -D dcn=%d -D bidx=%d", depth, dcn, bidx));
opts + format("-D dcn=%d -D bidx=%d", dcn, bidx));
if (k.empty())
return false;
k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::WriteOnly(dst), ocl::KernelArg::PtrReadOnly(c));
@ -2984,8 +2995,9 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
_dst.create(dstSz, CV_8UC3);
dst = _dst.getUMat();
k.create("RGB2HSV", ocl::imgproc::cvtcolor_oclsrc, format("-D depth=%d -D hrange=%d -D bidx=%d -D dcn=3 -D scn=%d",
depth, hrange, bidx, scn));
k.create("RGB2HSV", ocl::imgproc::cvtcolor_oclsrc,
opts + format("-D hrange=%d -D bidx=%d -D dcn=3",
hrange, bidx));
if (k.empty())
return false;
@ -2997,7 +3009,8 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
}
else
k.create(kernelName.c_str(), ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D hscale=%ff -D bidx=%d -D scn=%d -D dcn=3", depth, hrange*(1.f/360.f), bidx, scn));
opts + format("-D hscale=%ff -D bidx=%d -D dcn=3",
hrange*(1.f/360.f), bidx));
break;
}
case COLOR_HSV2BGR: case COLOR_HSV2RGB: case COLOR_HSV2BGR_FULL: case COLOR_HSV2RGB_FULL:
@ -3015,8 +3028,8 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
String kernelName = String(is_hsv ? "HSV" : "HLS") + "2RGB";
k.create(kernelName.c_str(), ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D dcn=%d -D scn=3 -D bidx=%d -D hrange=%d -D hscale=%ff",
depth, dcn, bidx, hrange, 6.f/hrange));
opts + format("-D dcn=%d -D bidx=%d -D hrange=%d -D hscale=%ff",
dcn, bidx, hrange, 6.f/hrange));
break;
}
case COLOR_RGBA2mRGBA: case COLOR_mRGBA2RGBA:
@ -3025,7 +3038,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dcn = 4;
k.create(code == COLOR_RGBA2mRGBA ? "RGBA2mRGBA" : "mRGBA2RGBA", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D dcn=4 -D scn=4 -D bidx=3", depth));
opts + "-D dcn=4 -D bidx=3");
break;
}
case CV_BGR2Lab: case CV_RGB2Lab: case CV_LBGR2Lab: case CV_LRGB2Lab:
@ -3037,8 +3050,8 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
dcn = 3;
k.create("BGR2Lab", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D dcn=3 -D scn=%d -D bidx=%d%s",
depth, scn, bidx, srgb ? " -D SRGB" : ""));
opts + format("-D dcn=3 -D bidx=%d%s",
bidx, srgb ? " -D SRGB" : ""));
if (k.empty())
return false;
@ -3139,8 +3152,8 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
bool srgb = code == CV_Lab2BGR || code == CV_Lab2RGB;
k.create("Lab2BGR", ocl::imgproc::cvtcolor_oclsrc,
format("-D depth=%d -D dcn=%d -D scn=3 -D bidx=%d%s",
depth, dcn, bidx, srgb ? " -D SRGB" : ""));
opts + format("-D dcn=%d -D bidx=%d%s",
dcn, bidx, srgb ? " -D SRGB" : ""));
if (k.empty())
return false;

1395
modules/imgproc/src/opencl/cvtcolor.cl
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