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RGB[A] -> RGB5x5

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This commit is contained in:
Ilya Lavrenov 2013-11-27 19:52:42 +04:00
parent af367c4f85
commit 81b9c9c104
4 changed files with 79 additions and 45 deletions
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15
modules/imgproc/src/color.cpp
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@ -2706,8 +2706,6 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
/*
case COLOR_BGR2BGR565: case COLOR_BGR2BGR555: case COLOR_RGB2BGR565: case COLOR_RGB2BGR555:
case COLOR_BGRA2BGR565: case COLOR_BGRA2BGR555: case COLOR_RGBA2BGR565: case COLOR_RGBA2BGR555:
case COLOR_BGR5652BGR: case COLOR_BGR5552BGR: case COLOR_BGR5652RGB: case COLOR_BGR5552RGB:
case COLOR_BGR5652BGRA: case COLOR_BGR5552BGRA: case COLOR_BGR5652RGBA: case COLOR_BGR5552RGBA:
*/
case COLOR_BGR2BGRA: case COLOR_RGB2BGRA: case COLOR_BGRA2BGR:
case COLOR_RGBA2BGR: case COLOR_RGB2BGR: case COLOR_BGRA2RGBA:
@ -2720,6 +2718,19 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
reverse ? "REVERSE" : "ORDER"));
break;
}
case COLOR_BGR5652BGR: case COLOR_BGR5552BGR: case COLOR_BGR5652RGB: case COLOR_BGR5552RGB:
case COLOR_BGR5652BGRA: case COLOR_BGR5552BGRA: case COLOR_BGR5652RGBA: case COLOR_BGR5552RGBA:
{
dcn = code == COLOR_BGR5652BGRA || code == COLOR_BGR5552BGRA || code == COLOR_BGR5652RGBA || code == COLOR_BGR5552RGBA ? 4 : 3;
CV_Assert((dcn == 3 || dcn == 4) && scn == 2 && depth == CV_8U);
bidx = code == COLOR_BGR5652BGR || code == COLOR_BGR5552BGR ||
code == COLOR_BGR5652BGRA || code == COLOR_BGR5552BGRA ? 0 : 2;
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=%s -D bidx=%d -D greenbits=%d", depth, scn, dcn, bidx, greenbits));
break;
}
case COLOR_BGR2GRAY: case COLOR_BGRA2GRAY:
case COLOR_RGB2GRAY: case COLOR_RGBA2GRAY:
{

57
modules/imgproc/src/opencl/cvtcolor.cl
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@ -455,6 +455,63 @@ __kernel void RGB(__global const uchar* srcptr, int src_step, int src_offset,
}
///////////////////////////////////// RGB5x5 <-> RGB //////////////////////////////////////
__kernel void RGB5x52RGB(__global const uchar* src, int src_step, int src_offset,
__global uchar* dst, int dst_step, int dst_offset,
int rows, int cols)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (y < rows && x < cols)
{
int src_idx = mad24(y, src_step, src_offset + x * scnbytes);
int dst_idx = mad24(y, dst_step, dst_offset + x * dcnbytes);
ushort t = *((__global const ushort*)(src + src_idx));
#if greenbits == 6
dst[dst_idx + bidx] = (uchar)(t << 3);
dst[dst_idx + 1] = (uchar)((t >> 3) & ~3);
dst[dst_idx + (bidx^2)] = (uchar)((t >> 8) & ~7);
#else
dst[dst_idx + bidx] = (uchar)(t << 3);
dst[dst_idx + 1] = (uchar)((t >> 2) & ~7);
dst[dst_idx + (bidx^2)] = (uchar)((t >> 7) & ~7);
#endif
#if dcn == 4
#if greenbits == 6
dst[dst_idx + 3] = 255;
#else
dst[dst_idx + 3] = t & 0x8000 ? 255 : 0;
#endif
#endif
}
}
//__kernel void RGB2RGB5x5(int cols, int rows, int src_step, int dst_step, int bidx,
// __global const uchar * src, __global ushort * dst,
// int src_offset, int dst_offset)
//{
// int x = get_global_id(0);
// int y = get_global_id(1);
// if (y < rows && x < cols)
// {
// int src_idx = mad24(y, src_step, src_offset + (x << 2));
// int dst_idx = mad24(y, dst_step, dst_offset + x);
//#if greenbits == 6
// dst[dst_idx] = (ushort)((src[src_idx + bidx] >> 3)|((src[src_idx + 1]&~3) << 3)|((src[src_idx + (bidx^2)]&~7) << 8));
//#elif scn == 3
// dst[dst_idx] = (ushort)((src[src_idx + bidx] >> 3)|((src[src_idx + 1]&~7) << 2)|((src[src_idx + (bidx^2)]&~7) << 7));
//#else
// dst[dst_idx] = (ushort)((src[src_idx + bidx] >> 3)|((src[src_idx + 1]&~7) << 2)|
// ((src[src_idx + (bidx^2)]&~7) << 7)|(src[src_idx + 3] ? 0x8000 : 0));
//#endif
// }
//}

18
modules/imgproc/test/ocl/test_color.cpp
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@ -215,17 +215,17 @@ OCL_TEST_P(CvtColor, XYZ2BGRA) { performTest(3, 4, CVTCODE(XYZ2BGR)); }
// RGB5x5 <-> RGB
//typedef CvtColor CvtColor8u;
typedef CvtColor CvtColor8u;
//OCL_TEST_P(CvtColor8u, BGR5652BGR) { performTest(2, 3, CVTCODE(BGR5652BGR)); }
//OCL_TEST_P(CvtColor8u, BGR5652RGB) { performTest(2, 3, CVTCODE(BGR5652RGB)); }
//OCL_TEST_P(CvtColor8u, BGR5652BGRA) { performTest(2, 4, CVTCODE(BGR5652BGRA)); }
//OCL_TEST_P(CvtColor8u, BGR5652RGBA) { performTest(2, 4, CVTCODE(BGR5652RGBA)); }
OCL_TEST_P(CvtColor8u, BGR5652BGR) { performTest(2, 3, CVTCODE(BGR5652BGR)); }
OCL_TEST_P(CvtColor8u, BGR5652RGB) { performTest(2, 3, CVTCODE(BGR5652RGB)); }
OCL_TEST_P(CvtColor8u, BGR5652BGRA) { performTest(2, 4, CVTCODE(BGR5652BGRA)); }
OCL_TEST_P(CvtColor8u, BGR5652RGBA) { performTest(2, 4, CVTCODE(BGR5652RGBA)); }
//OCL_TEST_P(CvtColor8u, BGR5552BGR) { performTest(2, 3, CVTCODE(BGR5552BGR)); }
//OCL_TEST_P(CvtColor8u, BGR5552RGB) { performTest(2, 3, CVTCODE(BGR5552RGB)); }
//OCL_TEST_P(CvtColor8u, BGR5552BGRA) { performTest(2, 4, CVTCODE(BGR5552BGRA)); }
//OCL_TEST_P(CvtColor8u, BGR5552RGBA) { performTest(2, 4, CVTCODE(BGR5552RGBA)); }
OCL_TEST_P(CvtColor8u, BGR5552BGR) { performTest(2, 3, CVTCODE(BGR5552BGR)); }
OCL_TEST_P(CvtColor8u, BGR5552RGB) { performTest(2, 3, CVTCODE(BGR5552RGB)); }
OCL_TEST_P(CvtColor8u, BGR5552BGRA) { performTest(2, 4, CVTCODE(BGR5552BGRA)); }
OCL_TEST_P(CvtColor8u, BGR5552RGBA) { performTest(2, 4, CVTCODE(BGR5552RGBA)); }
//OCL_TEST_P(CvtColor8u, BGR2BGR565) { performTest(3, 2, CVTCODE(BGR2BGR565)); }
//OCL_TEST_P(CvtColor8u, RGB2BGR565) { performTest(3, 2, CVTCODE(RGB2BGR565)); }

34
modules/ocl/src/opencl/cvt_color.cl
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@ -91,40 +91,6 @@ enum
BLOCK_SIZE = 256
};
///////////////////////////////////// RGB[A] <-> BGR[A] //////////////////////////////////////
__kernel void RGB(int cols, int rows, int src_step, int dst_step,
__global const DATA_TYPE * src, __global DATA_TYPE * dst,
int src_offset, int dst_offset)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (y < rows && x < cols)
{
x <<= 2;
int src_idx = mad24(y, src_step, src_offset + x);
int dst_idx = mad24(y, dst_step, dst_offset + x);
#ifdef REVERSE
dst[dst_idx] = src[src_idx + 2];
dst[dst_idx + 1] = src[src_idx + 1];
dst[dst_idx + 2] = src[src_idx];
#elif defined ORDER
dst[dst_idx] = src[src_idx];
dst[dst_idx + 1] = src[src_idx + 1];
dst[dst_idx + 2] = src[src_idx + 2];
#endif
#if dcn == 4
#if scn == 3
dst[dst_idx + 3] = MAX_NUM;
#else
dst[dst_idx + 3] = src[src_idx + 3];
#endif
#endif
}
}
///////////////////////////////////// RGB5x5 <-> RGB //////////////////////////////////////