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#include "utest_helper.hpp"
#include <string.h>
static void runtime_use_host_ptr_large_image(void)
{
const size_t w = 4096;
const size_t h = 4096;
cl_image_format format;
cl_image_desc desc;
memset(&desc, 0x0, sizeof(cl_image_desc));
memset(&format, 0x0, sizeof(cl_image_format));
format.image_channel_order = CL_RGBA;
format.image_channel_data_type = CL_UNSIGNED_INT32;
desc.image_type = CL_MEM_OBJECT_IMAGE2D;
desc.image_width = w;
desc.image_height = h;
size_t alignment = 4096; //page size
if (cl_check_beignet())
alignment = 64; //cacheline size, beignet has loose limitaiont to enable userptr
//src image
int ret = posix_memalign(&buf_data[0], alignment, sizeof(uint32_t) * w * h * 4);
OCL_ASSERT(ret == 0);
for (size_t i = 0; i < w*h*4; ++i)
((uint32_t*)buf_data[0])[i] = i;
OCL_CREATE_IMAGE(buf[0], CL_MEM_USE_HOST_PTR, &format, &desc, buf_data[0]);
//dst image
ret = posix_memalign(&buf_data[1], alignment, sizeof(uint32_t) * w * h * 4);
OCL_ASSERT(ret == 0);
for (size_t i = 0; i < w*h*4; ++i)
((uint32_t*)buf_data[1])[i] = 0;
OCL_CREATE_IMAGE(buf[1], CL_MEM_USE_HOST_PTR, &format, &desc, buf_data[1]);
OCL_CREATE_KERNEL("runtime_use_host_ptr_image");
// Run the kernel
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] = 16;
OCL_NDRANGE(2);
// Check result
size_t origin[3];
origin[0] = 0;
origin[1] = 0;
origin[2] = 0;
size_t region[3];
region[0] = w;
region[1] = h;
region[2] = 1;
size_t pitch = 0;
void* mapptr = (int*)clEnqueueMapImage(queue, buf[1], CL_TRUE, CL_MAP_READ, origin, region, &pitch, NULL, 0, NULL, NULL, NULL);
OCL_ASSERT(mapptr == buf_data[1]);
for (uint32_t i = 0; i < w*h*4; ++i) {
OCL_ASSERT(((uint32_t*)buf_data[0])[i] == ((uint32_t*)buf_data[1])[i]);
}
clEnqueueUnmapMemObject(queue, buf[1], mapptr, 0, NULL, NULL);
free(buf_data[0]);
buf_data[0] = NULL;
free(buf_data[1]);
buf_data[1] = NULL;
}
MAKE_UTEST_FROM_FUNCTION(runtime_use_host_ptr_large_image);
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