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RGB[A] <- RGB5x5

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This commit is contained in:
Ilya Lavrenov 2013-11-27 20:00:35 +04:00
parent 81b9c9c104
commit 8a23646897
4 changed files with 49 additions and 94 deletions
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16
modules/imgproc/src/color.cpp
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@ -92,6 +92,7 @@
#include "precomp.hpp"
#include "opencl_kernels.hpp"
#include <limits>
#include <iostream>
#define CV_DESCALE(x,n) (((x) + (1 << ((n)-1))) >> (n))
@ -2728,7 +2729,20 @@ 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=%s -D bidx=%d -D greenbits=%d", depth, scn, dcn, bidx, greenbits));
format("-D depth=%d -D scn=2 -D dcn=%d -D bidx=%d -D greenbits=%d", depth, dcn, bidx, greenbits));
break;
}
case COLOR_BGR2BGR565: case COLOR_BGR2BGR555: case COLOR_RGB2BGR565: case COLOR_RGB2BGR555:
case COLOR_BGRA2BGR565: case COLOR_BGRA2BGR555: case COLOR_RGBA2BGR565: case COLOR_RGBA2BGR555:
{
CV_Assert((scn == 3 || scn == 4) && depth == CV_8U );
bidx = code == COLOR_BGR2BGR565 || code == COLOR_BGR2BGR555 ||
code == COLOR_BGRA2BGR565 || code == COLOR_BGRA2BGR555 ? 0 : 2;
int greenbits = code == COLOR_BGR2BGR565 || code == COLOR_RGB2BGR565 ||
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));
break;
}
case COLOR_BGR2GRAY: case COLOR_BGRA2GRAY:

40
modules/imgproc/src/opencl/cvtcolor.cl
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@ -490,28 +490,28 @@ __kernel void RGB5x52RGB(__global const uchar* src, int src_step, int src_offset
}
}
//__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);
__kernel void RGB2RGB5x5(__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 << 2));
// int dst_idx = mad24(y, dst_step, dst_offset + x);
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);
//#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
// }
//}
#if greenbits == 6
*((__global ushort*)(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
*((__global ushort*)(dst + dst_idx)) = (ushort)((src[src_idx + bidx] >> 3)|((src[src_idx + 1]&~7) << 2)|((src[src_idx + (bidx^2)]&~7) << 7));
#else
*((__global ushort*)(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
}
}

26
modules/imgproc/test/ocl/test_color.cpp
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@ -169,7 +169,7 @@ OCL_TEST_P(CvtColor, XYZ2BGRA) { performTest(3, 4, CVTCODE(XYZ2BGR)); }
// RGB <-> HSV
//typedef CvtColor CvtColor8u32f;
typedef CvtColor CvtColor8u32f;
//OCL_TEST_P(CvtColor8u32f, RGB2HSV) { performTest(3, 3, CVTCODE(RGB2HSV)); }
//OCL_TEST_P(CvtColor8u32f, BGR2HSV) { performTest(3, 3, CVTCODE(BGR2HSV)); }
@ -227,15 +227,15 @@ 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)); }
//OCL_TEST_P(CvtColor8u, BGRA2BGR565) { performTest(4, 2, CVTCODE(BGRA2BGR565)); }
//OCL_TEST_P(CvtColor8u, RGBA2BGR565) { performTest(4, 2, CVTCODE(RGBA2BGR565)); }
OCL_TEST_P(CvtColor8u, BGR2BGR565) { performTest(3, 2, CVTCODE(BGR2BGR565)); }
OCL_TEST_P(CvtColor8u, RGB2BGR565) { performTest(3, 2, CVTCODE(RGB2BGR565)); }
OCL_TEST_P(CvtColor8u, BGRA2BGR565) { performTest(4, 2, CVTCODE(BGRA2BGR565)); }
OCL_TEST_P(CvtColor8u, RGBA2BGR565) { performTest(4, 2, CVTCODE(RGBA2BGR565)); }
//OCL_TEST_P(CvtColor8u, BGR2BGR555) { performTest(3, 2, CVTCODE(BGR2BGR555)); }
//OCL_TEST_P(CvtColor8u, RGB2BGR555) { performTest(3, 2, CVTCODE(RGB2BGR555)); }
//OCL_TEST_P(CvtColor8u, BGRA2BGR555) { performTest(4, 2, CVTCODE(BGRA2BGR555)); }
//OCL_TEST_P(CvtColor8u, RGBA2BGR555) { performTest(4, 2, CVTCODE(RGBA2BGR555)); }
OCL_TEST_P(CvtColor8u, BGR2BGR555) { performTest(3, 2, CVTCODE(BGR2BGR555)); }
OCL_TEST_P(CvtColor8u, RGB2BGR555) { performTest(3, 2, CVTCODE(RGB2BGR555)); }
OCL_TEST_P(CvtColor8u, BGRA2BGR555) { performTest(4, 2, CVTCODE(BGRA2BGR555)); }
OCL_TEST_P(CvtColor8u, RGBA2BGR555) { performTest(4, 2, CVTCODE(RGBA2BGR555)); }
// RGB5x5 <-> Gray
@ -280,11 +280,11 @@ OCL_TEST_P(CvtColor_YUV420, YUV2RGB_NV12) { performTest(1, 3, COLOR_YUV2RGB_NV12
OCL_TEST_P(CvtColor_YUV420, YUV2BGR_NV12) { performTest(1, 3, COLOR_YUV2BGR_NV12); }
//OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor8u,
// testing::Combine(testing::Values(MatDepth(CV_8U)), Bool()));
OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor8u,
testing::Combine(testing::Values(MatDepth(CV_8U)), Bool()));
//OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor8u32f,
// testing::Combine(testing::Values(MatDepth(CV_8U), MatDepth(CV_32F)), Bool()));
OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor8u32f,
testing::Combine(testing::Values(MatDepth(CV_8U), MatDepth(CV_32F)), Bool()));
OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor,
testing::Combine(

61
modules/ocl/src/opencl/cvt_color.cl
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@ -91,66 +91,7 @@ enum
BLOCK_SIZE = 256
};
///////////////////////////////////// RGB5x5 <-> RGB //////////////////////////////////////
__kernel void RGB5x52RGB(int cols, int rows, int src_step, int dst_step, int bidx,
__global const ushort * src, __global uchar * 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);
int dst_idx = mad24(y, dst_step, dst_offset + (x << 2));
ushort t = 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
}
}
///////////////////////////////////// RGB5x5 <-> RGB //////////////////////////////////////
///////////////////////////////////// RGB5x5 <-> Gray //////////////////////////////////////
__kernel void BGR5x52Gray(int cols, int rows, int src_step, int dst_step, int bidx,
__global const ushort * src, __global uchar * dst,