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#include <string.h>
#include "utests/utest_helper.hpp"
#include <sys/time.h>
#define BENCH_COPY_IMAGE(T, M, Q) \
double benchmark_copy_image_ ##T(void) \
{ \
struct timeval start,stop; \
\
const size_t w = 1920; \
const size_t h = 1080; \
const size_t sz = 4 * w * h; \
cl_image_format format; \
cl_image_desc desc; \
\
memset(&desc, 0x0, sizeof(cl_image_desc)); \
memset(&format, 0x0, sizeof(cl_image_format)); \
\
OCL_CREATE_KERNEL("bench_copy_image"); \
buf_data[0] = (uint32_t*) malloc(sizeof(M) * sz); \
for (uint32_t i = 0; i < sz; ++i) { \
((M*)buf_data[0])[i] = rand(); \
} \
\
format.image_channel_order = CL_RGBA; \
format.image_channel_data_type = Q; \
desc.image_type = CL_MEM_OBJECT_IMAGE2D; \
desc.image_width = w; \
desc.image_height = h; \
desc.image_row_pitch = desc.image_width * sizeof(M) * 4; \
OCL_CREATE_IMAGE(buf[0], CL_MEM_COPY_HOST_PTR, &format, &desc, buf_data[0]); \
\
desc.image_row_pitch = 0; \
OCL_CREATE_IMAGE(buf[1], 0, &format, &desc, NULL); \
\
free(buf_data[0]); \
buf_data[0] = NULL; \
\
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]); \
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]); \
\
globals[0] = w; \
globals[1] = h; \
locals[0] = 16; \
locals[1] = 4; \
\
gettimeofday(&start,0); \
for (size_t i=0; i<100; i++) { \
OCL_NDRANGE(2); \
} \
OCL_FINISH(); \
\
OCL_MAP_BUFFER(1); \
OCL_UNMAP_BUFFER(1); \
gettimeofday(&stop,0); \
\
clReleaseMemObject(buf[0]); \
free(buf_data[0]); \
buf_data[0] = NULL; \
\
double elapsed = time_subtract(&stop, &start, 0); \
\
return BANDWIDTH(sz * sizeof(M)*2 * 100, elapsed); \
} \
\
MAKE_BENCHMARK_FROM_FUNCTION_KEEP_PROGRAM(benchmark_copy_image_ ##T,true);
BENCH_COPY_IMAGE(uchar,unsigned char,CL_UNSIGNED_INT8)
BENCH_COPY_IMAGE(ushort,unsigned short,CL_UNSIGNED_INT16)
BENCH_COPY_IMAGE(uint,unsigned int,CL_UNSIGNED_INT32)
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