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#include "utest_helper.hpp"
void sub_buffer_check(void)
{
cl_int error;
cl_ulong max_alloc_size;
cl_uint address_align;
cl_mem main_buf;
cl_mem sub_buf;
char *main_buf_content;
char sub_buf_content[32];
error = clGetDeviceInfo(device, CL_DEVICE_MAX_MEM_ALLOC_SIZE, sizeof(max_alloc_size), &max_alloc_size, NULL);
OCL_ASSERT(error == CL_SUCCESS);
error = clGetDeviceInfo(device, CL_DEVICE_MEM_BASE_ADDR_ALIGN, sizeof(address_align ), &address_align, NULL );
OCL_ASSERT(error == CL_SUCCESS);
max_alloc_size /= 8;
main_buf_content = (char *)malloc(sizeof(char) * max_alloc_size);
for (cl_ulong i = 0; i < max_alloc_size; i++) {
main_buf_content[i] = rand() & 63;
}
main_buf = clCreateBuffer(ctx, CL_MEM_READ_WRITE | CL_MEM_COPY_HOST_PTR, max_alloc_size, main_buf_content, &error);
OCL_ASSERT(error == CL_SUCCESS);
/* Test read sub buffer. */
for (cl_ulong sz = max_alloc_size / 4; sz <= max_alloc_size; sz += max_alloc_size / 4) {
for (cl_ulong off = 0; off < max_alloc_size; off += 1234 + max_alloc_size / 3) {
cl_buffer_region region;
region.origin = off;
region.size = sz;
sub_buf = clCreateSubBuffer(main_buf, 0, CL_BUFFER_CREATE_TYPE_REGION, ®ion, &error );
/* invalid size, should be failed. */
if(off + sz > max_alloc_size) {
OCL_ASSERT(error != CL_SUCCESS);
continue;
}
/* invalid align, should be failed. */
if(off & ((address_align/8)-1)) {
OCL_ASSERT(error != CL_SUCCESS);
continue;
}
OCL_ASSERT(error == CL_SUCCESS);
error = clEnqueueReadBuffer(queue, sub_buf, CL_TRUE, 0, 32, (void *)sub_buf_content, 0, NULL, NULL);
OCL_ASSERT(error == CL_SUCCESS);
#if 0
printf("\nRead ########### Src buffer: \n");
for (int i = 0; i < 32; ++i)
printf(" %2.2u", main_buf_content[off + i]);
printf("\nRead ########### dst buffer: \n");
for (int i = 0; i < 32; ++i)
printf(" %2.2u", sub_buf_content[i]);
printf("\n");
#endif
for (int i = 0; i < 32; ++i) {
if (main_buf_content[off + i] != sub_buf_content[i]) {
printf ("different index is %d\n", i);
OCL_ASSERT(0);
}
}
}
}
for (cl_ulong sz = max_alloc_size / 4; sz <= max_alloc_size; sz += max_alloc_size / 4) {
for (cl_ulong off = 0; off < max_alloc_size; off += 1234 + max_alloc_size / 3) {
cl_buffer_region region;
region.origin = off;
region.size = sz;
sub_buf = clCreateSubBuffer(main_buf, 0, CL_BUFFER_CREATE_TYPE_REGION, ®ion, &error );
/* invalid size, should be failed. */
if(off + sz > max_alloc_size) {
OCL_ASSERT(error != CL_SUCCESS);
continue;
}
/* invalid align, should be failed. */
if(off & (address_align/8-1)) {
OCL_ASSERT(error != CL_SUCCESS);
continue;
}
OCL_ASSERT(error == CL_SUCCESS);
for (int i = 0; i < 32; i++) {
sub_buf_content[i] = rand() & 63;
}
error = clEnqueueWriteBuffer(queue, main_buf, CL_TRUE, off, 32, sub_buf_content, 0, NULL, NULL);
OCL_ASSERT(error == CL_SUCCESS);
void * mapped_ptr = clEnqueueMapBuffer(queue, sub_buf, CL_TRUE, (cl_map_flags)( CL_MAP_READ | CL_MAP_WRITE ),
0, 32, 0, NULL, NULL, &error );
OCL_ASSERT(error == CL_SUCCESS);
#if 0
printf("\nMap ########### Src buffer: \n");
for (int i = 0; i < 32; ++i)
printf(" %2.2u", sub_buf_content[i]);
printf("\nMap ########### dst buffer: \n");
for (int i = 0; i < 32; ++i)
printf(" %2.2u", ((char *)mapped_ptr)[i]);
printf("\n");
#endif
for (int i = 0; i < 32; i++) {
if (mapped_ptr && ((char *)mapped_ptr)[i] != sub_buf_content[i]) {
printf ("different index is %d\n", i);
OCL_ASSERT(0);
}
}
error = clEnqueueUnmapMemObject(queue, sub_buf, mapped_ptr, 0, NULL, NULL );
OCL_ASSERT(error == CL_SUCCESS);
clReleaseMemObject(sub_buf);
}
}
clReleaseMemObject(main_buf);
free(main_buf_content);
}
MAKE_UTEST_FROM_FUNCTION(sub_buffer_check);
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