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Merge pull request #1616 from ilya-lavrenov:ocl_cvtColor

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Roman Donchenko 2013-10-14 15:16:01 +04:00 committed by OpenCV Buildbot
commit 0870d3d78c
2 changed files with 122 additions and 85 deletions
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113
modules/ocl/src/color.cpp
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@ -60,111 +60,144 @@ using namespace cv::ocl;
namespace namespace
{ {
void RGB2Gray_caller(const oclMat &src, oclMat &dst, int bidx) void RGB2Gray_caller(const oclMat &src, oclMat &dst, int bidx)
{ {
vector<pair<size_t , const void *> > args;
int channels = src.oclchannels(); int channels = src.oclchannels();
char build_options[50]; int src_offset = src.offset / src.elemSize1(), src_step = src.step1();
sprintf(build_options, "-D DEPTH_%d", src.depth()); int dst_offset = dst.offset / dst.elemSize1(), dst_step = dst.step1();
//printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
std::string build_options = format("-D DEPTH_%d", src.depth());
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&channels)); args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx)); args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src_offset ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_offset ));
size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1}; size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2Gray", gt, lt, args, -1, -1, build_options); openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2Gray", gt, lt, args, -1, -1, build_options.c_str());
} }
void Gray2RGB_caller(const oclMat &src, oclMat &dst) void Gray2RGB_caller(const oclMat &src, oclMat &dst)
{ {
std::string build_options = format("-D DEPTH_%d", src.depth());
int src_offset = src.offset / src.elemSize1(), src_step = src.step1();
int dst_offset = dst.offset / dst.elemSize1(), dst_step = dst.step1();
vector<pair<size_t , const void *> > args; vector<pair<size_t , const void *> > args;
char build_options[50];
sprintf(build_options, "-D DEPTH_%d", src.depth());
//printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_step));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src_offset ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_offset ));
size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1}; size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
openCLExecuteKernel(src.clCxt, &cvt_color, "Gray2RGB", gt, lt, args, -1, -1, build_options); openCLExecuteKernel(src.clCxt, &cvt_color, "Gray2RGB", gt, lt, args, -1, -1, build_options.c_str());
} }
void RGB2YUV_caller(const oclMat &src, oclMat &dst, int bidx) void RGB2YUV_caller(const oclMat &src, oclMat &dst, int bidx)
{ {
vector<pair<size_t , const void *> > args;
int channels = src.oclchannels(); int channels = src.oclchannels();
char build_options[50]; std::string build_options = format("-D DEPTH_%d", src.depth());
sprintf(build_options, "-D DEPTH_%d", src.depth()); int src_offset = src.offset / src.elemSize1(), src_step = src.step1();
//printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx); int dst_offset = dst.offset / dst.elemSize1(), dst_step = dst.step1();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&channels)); args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx)); args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src_offset ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_offset ));
size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1}; size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2YUV", gt, lt, args, -1, -1, build_options); openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2YUV", gt, lt, args, -1, -1, build_options.c_str());
} }
void YUV2RGB_caller(const oclMat &src, oclMat &dst, int bidx) void YUV2RGB_caller(const oclMat &src, oclMat &dst, int bidx)
{ {
vector<pair<size_t , const void *> > args;
int channels = src.oclchannels(); int channels = src.oclchannels();
char build_options[50]; int src_offset = src.offset / src.elemSize1(), src_step = src.step1();
sprintf(build_options, "-D DEPTH_%d", src.depth()); int dst_offset = dst.offset / dst.elemSize1(), dst_step = dst.step1();
//printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
std::string buildOptions = format("-D DEPTH_%d", src.depth());
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&channels)); args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx)); args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src_offset ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_offset ));
size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1}; size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
openCLExecuteKernel(src.clCxt, &cvt_color, "YUV2RGB", gt, lt, args, -1, -1, build_options); openCLExecuteKernel(src.clCxt, &cvt_color, "YUV2RGB", gt, lt, args, -1, -1, buildOptions.c_str());
} }
void YUV2RGB_NV12_caller(const oclMat &src, oclMat &dst, int bidx) void YUV2RGB_NV12_caller(const oclMat &src, oclMat &dst, int bidx)
{ {
std::string build_options = format("-D DEPTH_%d", src.depth());
int src_offset = src.offset / src.elemSize1(), src_step = src.step1();
int dst_offset = dst.offset / dst.elemSize1(), dst_step = dst.step1();
vector<pair<size_t , const void *> > args; vector<pair<size_t , const void *> > args;
char build_options[50];
sprintf(build_options, "-D DEPTH_%d", src.depth());
//printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx)); args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.cols)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.cols));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.rows)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.rows));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src_offset ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_offset ));
size_t gt[3] = {dst.cols / 2, dst.rows / 2, 1}, lt[3] = {16, 16, 1}; size_t gt[3] = {dst.cols / 2, dst.rows / 2, 1}, lt[3] = {16, 16, 1};
openCLExecuteKernel(src.clCxt, &cvt_color, "YUV2RGBA_NV12", gt, lt, args, -1, -1, build_options); openCLExecuteKernel(src.clCxt, &cvt_color, "YUV2RGBA_NV12", gt, lt, args, -1, -1, build_options.c_str());
} }
void RGB2YCrCb_caller(const oclMat &src, oclMat &dst, int bidx) void RGB2YCrCb_caller(const oclMat &src, oclMat &dst, int bidx)
{ {
vector<pair<size_t , const void *> > args;
int channels = src.oclchannels(); int channels = src.oclchannels();
char build_options[50]; std::string build_options = format("-D DEPTH_%d", src.depth());
sprintf(build_options, "-D DEPTH_%d", src.depth()); int src_offset = src.offset / src.elemSize1(), src_step = src.step1();
//printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx); int dst_offset = dst.offset / dst.elemSize1(), dst_step = dst.step1();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&src_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step)); args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_step));
args.push_back( make_pair( sizeof(cl_int) , (void *)&channels)); args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx)); args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data)); args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
args.push_back( make_pair( sizeof(cl_int) , (void *)&src_offset ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&dst_offset ));
size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1}; size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2YCrCb", gt, lt, args, -1, -1, build_options); openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2YCrCb", gt, lt, args, -1, -1, build_options.c_str());
} }
void cvtColor_caller(const oclMat &src, oclMat &dst, int code, int dcn) void cvtColor_caller(const oclMat &src, oclMat &dst, int code, int dcn)
{ {
Size sz = src.size(); Size sz = src.size();

90
modules/ocl/src/opencl/cvt_color.cl
View File

@ -45,6 +45,7 @@
//M*/ //M*/
/**************************************PUBLICFUNC*************************************/ /**************************************PUBLICFUNC*************************************/
#if defined (DOUBLE_SUPPORT) #if defined (DOUBLE_SUPPORT)
#pragma OPENCL EXTENSION cl_khr_fp64:enable #pragma OPENCL EXTENSION cl_khr_fp64:enable
#endif #endif
@ -52,7 +53,6 @@
#define DATA_TYPE UNDEFINED #define DATA_TYPE UNDEFINED
#if defined (DEPTH_0) #if defined (DEPTH_0)
#undef DATA_TYPE
#define DATA_TYPE uchar #define DATA_TYPE uchar
#define MAX_NUM 255 #define MAX_NUM 255
#define HALF_MAX 128 #define HALF_MAX 128
@ -60,7 +60,6 @@
#endif #endif
#if defined (DEPTH_2) #if defined (DEPTH_2)
#undef DATA_TYPE
#define DATA_TYPE ushort #define DATA_TYPE ushort
#define MAX_NUM 65535 #define MAX_NUM 65535
#define HALF_MAX 32768 #define HALF_MAX 32768
@ -68,15 +67,14 @@
#endif #endif
#if defined (DEPTH_5) #if defined (DEPTH_5)
#undef DATA_TYPE
#define DATA_TYPE float #define DATA_TYPE float
#define MAX_NUM 1.0f #define MAX_NUM 1.0f
#define HALF_MAX 0.5f #define HALF_MAX 0.5f
#define SAT_CAST(num) (num) #define SAT_CAST(num) (num)
#endif #endif
#define CV_DESCALE(x,n) (((x) + (1 << ((n)-1))) >> (n)) #define CV_DESCALE(x,n) (((x) + (1 << ((n)-1))) >> (n))
enum enum
{ {
yuv_shift = 14, yuv_shift = 14,
@ -86,20 +84,20 @@ enum
B2Y = 1868, B2Y = 1868,
BLOCK_SIZE = 256 BLOCK_SIZE = 256
}; };
///////////////////////////////////// RGB <-> GRAY ////////////////////////////////////// ///////////////////////////////////// RGB <-> GRAY //////////////////////////////////////
__kernel void RGB2Gray(int cols, int rows, int src_step, int dst_step, int channels, __kernel void RGB2Gray(int cols, int rows, int src_step, int dst_step, int channels,
int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst) int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst,
int src_offset, int dst_offset)
{ {
const int x = get_global_id(0); const int x = get_global_id(0);
const int y = get_global_id(1); const int y = get_global_id(1);
src_step /= sizeof(DATA_TYPE);
dst_step /= sizeof(DATA_TYPE);
if (y < rows && x < cols) if (y < rows && x < cols)
{ {
int src_idx = y * src_step + x * channels; int src_idx = mad24(y, src_step, src_offset + x * channels);
int dst_idx = y * dst_step + x; int dst_idx = mad24(y, dst_step, dst_offset + x);
#if defined (DEPTH_5) #if defined (DEPTH_5)
dst[dst_idx] = src[src_idx + bidx] * 0.114f + src[src_idx + 1] * 0.587f + src[src_idx + (bidx^2)] * 0.299f; dst[dst_idx] = src[src_idx + bidx] * 0.114f + src[src_idx + 1] * 0.587f + src[src_idx + (bidx^2)] * 0.299f;
#else #else
@ -109,17 +107,16 @@ __kernel void RGB2Gray(int cols,int rows,int src_step,int dst_step,int channels,
} }
__kernel void Gray2RGB(int cols,int rows,int src_step,int dst_step, __kernel void Gray2RGB(int cols,int rows,int src_step,int dst_step,
__global const DATA_TYPE* src, __global DATA_TYPE* dst) __global const DATA_TYPE* src, __global DATA_TYPE* dst,
int src_offset, int dst_offset)
{ {
const int x = get_global_id(0); const int x = get_global_id(0);
const int y = get_global_id(1); const int y = get_global_id(1);
src_step /= sizeof(DATA_TYPE);
dst_step /= sizeof(DATA_TYPE);
if (y < rows && x < cols) if (y < rows && x < cols)
{ {
int src_idx = y * src_step + x; int src_idx = mad24(y, src_step, src_offset + x);
int dst_idx = y * dst_step + x * 4; int dst_idx = mad24(y, dst_step, dst_offset + x * 4);
DATA_TYPE val = src[src_idx]; DATA_TYPE val = src[src_idx];
dst[dst_idx++] = val; dst[dst_idx++] = val;
dst[dst_idx++] = val; dst[dst_idx++] = val;
@ -129,24 +126,25 @@ __kernel void Gray2RGB(int cols,int rows,int src_step,int dst_step,
} }
///////////////////////////////////// RGB <-> YUV ////////////////////////////////////// ///////////////////////////////////// RGB <-> YUV //////////////////////////////////////
__constant float c_RGB2YUVCoeffs_f[5] = { 0.114f, 0.587f, 0.299f, 0.492f, 0.877f }; __constant float c_RGB2YUVCoeffs_f[5] = { 0.114f, 0.587f, 0.299f, 0.492f, 0.877f };
__constant int c_RGB2YUVCoeffs_i[5] = { B2Y, G2Y, R2Y, 8061, 14369 }; __constant int c_RGB2YUVCoeffs_i[5] = { B2Y, G2Y, R2Y, 8061, 14369 };
__kernel void RGB2YUV(int cols,int rows,int src_step,int dst_step,int channels, __kernel void RGB2YUV(int cols,int rows,int src_step,int dst_step,int channels,
int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst) int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst,
int src_offset, int dst_offset)
{ {
const int x = get_global_id(0); int x = get_global_id(0);
const int y = get_global_id(1); int y = get_global_id(1);
src_step /= sizeof(DATA_TYPE);
dst_step /= sizeof(DATA_TYPE);
if (y < rows && x < cols) if (y < rows && x < cols)
{ {
int src_idx = y * src_step + x * channels; x *= channels;
int dst_idx = y * dst_step + x * channels; int src_idx = mad24(y, src_step, src_offset + x);
int dst_idx = mad24(y, dst_step, dst_offset + x);
dst += dst_idx; dst += dst_idx;
const DATA_TYPE rgb[] = {src[src_idx], src[src_idx + 1], src[src_idx + 2]}; const DATA_TYPE rgb[] = {src[src_idx], src[src_idx + 1], src[src_idx + 2]};
#if defined (DEPTH_5) #if defined (DEPTH_5)
__constant float * coeffs = c_RGB2YUVCoeffs_f; __constant float * coeffs = c_RGB2YUVCoeffs_f;
const DATA_TYPE Y = rgb[0] * coeffs[bidx] + rgb[1] * coeffs[1] + rgb[2] * coeffs[bidx^2]; const DATA_TYPE Y = rgb[0] * coeffs[bidx] + rgb[1] * coeffs[1] + rgb[2] * coeffs[bidx^2];
@ -159,6 +157,7 @@ __kernel void RGB2YUV(int cols,int rows,int src_step,int dst_step,int channels,
const int Cr = CV_DESCALE((rgb[bidx] - Y) * coeffs[3] + delta, yuv_shift); const int Cr = CV_DESCALE((rgb[bidx] - Y) * coeffs[3] + delta, yuv_shift);
const int Cb = CV_DESCALE((rgb[bidx^2] - Y) * coeffs[4] + delta, yuv_shift); const int Cb = CV_DESCALE((rgb[bidx^2] - Y) * coeffs[4] + delta, yuv_shift);
#endif #endif
dst[0] = SAT_CAST( Y ); dst[0] = SAT_CAST( Y );
dst[1] = SAT_CAST( Cr ); dst[1] = SAT_CAST( Cr );
dst[2] = SAT_CAST( Cb ); dst[2] = SAT_CAST( Cb );
@ -169,18 +168,17 @@ __constant float c_YUV2RGBCoeffs_f[5] = { 2.032f, -0.395f, -0.581f, 1.140f };
__constant int c_YUV2RGBCoeffs_i[5] = { 33292, -6472, -9519, 18678 }; __constant int c_YUV2RGBCoeffs_i[5] = { 33292, -6472, -9519, 18678 };
__kernel void YUV2RGB(int cols,int rows,int src_step,int dst_step,int channels, __kernel void YUV2RGB(int cols,int rows,int src_step,int dst_step,int channels,
int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst) int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst,
int src_offset, int dst_offset)
{ {
const int x = get_global_id(0); int x = get_global_id(0);
const int y = get_global_id(1); int y = get_global_id(1);
src_step /= sizeof(DATA_TYPE);
dst_step /= sizeof(DATA_TYPE);
if (y < rows && x < cols) if (y < rows && x < cols)
{ {
int src_idx = y * src_step + x * channels; x *= channels;
int dst_idx = y * dst_step + x * channels; int src_idx = mad24(y, src_step, src_offset + x);
int dst_idx = mad24(y, dst_step, dst_offset + x);
dst += dst_idx; dst += dst_idx;
const DATA_TYPE yuv[] = {src[src_idx], src[src_idx + 1], src[src_idx + 2]}; const DATA_TYPE yuv[] = {src[src_idx], src[src_idx + 1], src[src_idx + 2]};
@ -195,6 +193,7 @@ __kernel void YUV2RGB(int cols,int rows,int src_step,int dst_step,int channels,
const int g = yuv[0] + CV_DESCALE((yuv[2] - HALF_MAX) * coeffs[2] + (yuv[1] - HALF_MAX) * coeffs[1], yuv_shift); const int g = yuv[0] + CV_DESCALE((yuv[2] - HALF_MAX) * coeffs[2] + (yuv[1] - HALF_MAX) * coeffs[1], yuv_shift);
const int r = yuv[0] + CV_DESCALE((yuv[1] - HALF_MAX) * coeffs[0], yuv_shift); const int r = yuv[0] + CV_DESCALE((yuv[1] - HALF_MAX) * coeffs[0], yuv_shift);
#endif #endif
dst[bidx^2] = SAT_CAST( b ); dst[bidx^2] = SAT_CAST( b );
dst[1] = SAT_CAST( g ); dst[1] = SAT_CAST( g );
dst[bidx] = SAT_CAST( r ); dst[bidx] = SAT_CAST( r );
@ -209,17 +208,19 @@ __constant int ITUR_BT_601_CVR = 1673527;
__constant int ITUR_BT_601_SHIFT = 20; __constant int ITUR_BT_601_SHIFT = 20;
__kernel void YUV2RGBA_NV12(int cols,int rows,int src_step,int dst_step, __kernel void YUV2RGBA_NV12(int cols,int rows,int src_step,int dst_step,
int bidx, int width, int height, __global const uchar* src, __global uchar* dst) int bidx, int width, int height, __global const uchar* src, __global uchar* dst,
int src_offset, int dst_offset)
{ {
const int x = get_global_id(0); // max_x = width / 2 const int x = get_global_id(0); // max_x = width / 2
const int y = get_global_id(1); // max_y = height/ 2 const int y = get_global_id(1); // max_y = height/ 2
if (y < height / 2 && x < width / 2 ) if (y < height / 2 && x < width / 2 )
{ {
__global const uchar* ysrc = src + (y << 1) * src_step + (x << 1); __global const uchar* ysrc = src + mad24(y << 1, src_step, (x << 1) + src_offset);
__global const uchar* usrc = src + (height + y) * src_step + (x << 1); __global const uchar* usrc = src + mad24(height + y, src_step, (x << 1) + src_offset);
__global uchar* dst1 = dst + (y << 1) * dst_step + (x << 3); __global uchar* dst1 = dst + mad24(y << 1, dst_step, (x << 3) + dst_offset);
__global uchar* dst2 = dst + ((y << 1) + 1) * dst_step + (x << 3); __global uchar* dst2 = dst + mad24((y << 1) + 1, dst_step, (x << 3) + dst_offset);
int Y1 = ysrc[0]; int Y1 = ysrc[0];
int Y2 = ysrc[1]; int Y2 = ysrc[1];
int Y3 = ysrc[src_step]; int Y3 = ysrc[src_step];
@ -259,24 +260,26 @@ __kernel void YUV2RGBA_NV12(int cols,int rows,int src_step,int dst_step,
} }
///////////////////////////////////// RGB <-> YUV ////////////////////////////////////// ///////////////////////////////////// RGB <-> YUV //////////////////////////////////////
__constant float c_RGB2YCrCbCoeffs_f[5] = {0.299f, 0.587f, 0.114f, 0.713f, 0.564f}; __constant float c_RGB2YCrCbCoeffs_f[5] = {0.299f, 0.587f, 0.114f, 0.713f, 0.564f};
__constant int c_RGB2YCrCbCoeffs_i[5] = {R2Y, G2Y, B2Y, 11682, 9241}; __constant int c_RGB2YCrCbCoeffs_i[5] = {R2Y, G2Y, B2Y, 11682, 9241};
__kernel void RGB2YCrCb(int cols,int rows,int src_step,int dst_step,int channels, __kernel void RGB2YCrCb(int cols,int rows,int src_step,int dst_step,int channels,
int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst) int bidx, __global const DATA_TYPE* src, __global DATA_TYPE* dst,
int src_offset, int dst_offset)
{ {
const int x = get_global_id(0); int x = get_global_id(0);
const int y = get_global_id(1); int y = get_global_id(1);
src_step /= sizeof(DATA_TYPE);
dst_step /= sizeof(DATA_TYPE);
if (y < rows && x < cols) if (y < rows && x < cols)
{ {
int src_idx = y * src_step + x * channels; x *= channels;
int dst_idx = y * dst_step + x * channels; int src_idx = mad24(y, src_step, src_offset + x);
int dst_idx = mad24(y, dst_step, dst_offset + x);
dst += dst_idx; dst += dst_idx;
const DATA_TYPE rgb[] = { src[src_idx], src[src_idx + 1], src[src_idx + 2] }; const DATA_TYPE rgb[] = { src[src_idx], src[src_idx + 1], src[src_idx + 2] };
#if defined (DEPTH_5) #if defined (DEPTH_5)
__constant float * coeffs = c_RGB2YCrCbCoeffs_f; __constant float * coeffs = c_RGB2YCrCbCoeffs_f;
const DATA_TYPE Y = rgb[0] * coeffs[bidx^2] + rgb[1] * coeffs[1] + rgb[2] * coeffs[bidx]; const DATA_TYPE Y = rgb[0] * coeffs[bidx^2] + rgb[1] * coeffs[1] + rgb[2] * coeffs[bidx];
@ -289,6 +292,7 @@ __kernel void RGB2YCrCb(int cols,int rows,int src_step,int dst_step,int channels
const int Cr = CV_DESCALE((rgb[bidx^2] - Y) * coeffs[3] + delta, yuv_shift); const int Cr = CV_DESCALE((rgb[bidx^2] - Y) * coeffs[3] + delta, yuv_shift);
const int Cb = CV_DESCALE((rgb[bidx] - Y) * coeffs[4] + delta, yuv_shift); const int Cb = CV_DESCALE((rgb[bidx] - Y) * coeffs[4] + delta, yuv_shift);
#endif #endif
dst[0] = SAT_CAST( Y ); dst[0] = SAT_CAST( Y );
dst[1] = SAT_CAST( Cr ); dst[1] = SAT_CAST( Cr );
dst[2] = SAT_CAST( Cb ); dst[2] = SAT_CAST( Cb );