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//
// Copyright (c) 2017 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include <stdio.h>
#if defined(__APPLE__)
#include <OpenCL/opencl.h>
#include <OpenCL/cl_platform.h>
#else
#include <CL/opencl.h>
#include <CL/cl_platform.h>
#endif
#include "testBase.h"
#include "harness/typeWrappers.h"
#include "harness/testHarness.h"
#include "procs.h"
enum { SUCCESS, FAILURE };
typedef enum { NON_NULL_PATH, ADDROF_NULL_PATH, NULL_PATH } test_type;
#define NITEMS 4096
/* places the comparison result of value of the src ptr against 0 into each element of the output
* array, to allow testing that the kernel actually _gets_ the NULL value */
const char *kernel_string_long =
"kernel void test_kernel(global float *src, global long *dst)\n"
"{\n"
" uint tid = get_global_id(0);\n"
" dst[tid] = (long)(src != 0);\n"
"}\n";
// For gIsEmbedded
const char *kernel_string =
"kernel void test_kernel(global float *src, global int *dst)\n"
"{\n"
" uint tid = get_global_id(0);\n"
" dst[tid] = (int)(src != 0);\n"
"}\n";
/*
* The guts of the test:
* call setKernelArgs with a regular buffer, &NULL, or NULL depending on
* the value of 'test_type'
*/
static int test_setargs_and_execution(cl_command_queue queue, cl_kernel kernel,
cl_mem test_buf, cl_mem result_buf, test_type type)
{
unsigned int test_success = 0;
unsigned int i;
cl_int status;
const char *typestr;
switch (type)
{
case NON_NULL_PATH:
status = clSetKernelArg(kernel, 0, sizeof(cl_mem), &test_buf);
typestr = "non-NULL";
break;
case ADDROF_NULL_PATH:
test_buf = NULL;
status = clSetKernelArg(kernel, 0, sizeof(cl_mem), &test_buf);
typestr = "&NULL";
break;
case NULL_PATH:
status = clSetKernelArg(kernel, 0, sizeof(cl_mem), NULL);
typestr = "NULL";
break;
}
log_info("Testing setKernelArgs with %s buffer.\n", typestr);
if (status != CL_SUCCESS) {
log_error("clSetKernelArg failed with status: %d\n", status);
return FAILURE; // no point in continuing *this* test
}
size_t global = NITEMS;
status = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global,
NULL, 0, NULL, NULL);
test_error(status, "NDRangeKernel failed.");
if (gIsEmbedded)
{
cl_int* host_result = (cl_int*)malloc(NITEMS*sizeof(cl_int));
status = clEnqueueReadBuffer(queue, result_buf, CL_TRUE, 0,
sizeof(cl_int)*NITEMS, host_result, 0, NULL, NULL);
test_error(status, "ReadBuffer failed.");
// in the non-null case, we expect NONZERO values:
if (type == NON_NULL_PATH) {
for (i=0; i<NITEMS; i++) {
if (host_result[i] == 0) {
log_error("failure: item %d in the result buffer was unexpectedly NULL.\n", i);
test_success = FAILURE; break;
}
}
} else if (type == ADDROF_NULL_PATH || type == NULL_PATH) {
for (i=0; i<NITEMS; i++) {
if (host_result[i] != 0) {
log_error("failure: item %d in the result buffer was unexpectedly non-NULL.\n", i);
test_success = FAILURE; break;
}
}
}
free(host_result);
}
else
{
cl_long* host_result = (cl_long*)malloc(NITEMS*sizeof(cl_long));
status = clEnqueueReadBuffer(queue, result_buf, CL_TRUE, 0,
sizeof(cl_long)*NITEMS, host_result, 0, NULL, NULL);
test_error(status, "ReadBuffer failed.");
// in the non-null case, we expect NONZERO values:
if (type == NON_NULL_PATH) {
for (i=0; i<NITEMS; i++) {
if (host_result[i] == 0) {
log_error("failure: item %d in the result buffer was unexpectedly NULL.\n", i);
test_success = FAILURE; break;
}
}
} else if (type == ADDROF_NULL_PATH || type == NULL_PATH) {
for (i=0; i<NITEMS; i++) {
if (host_result[i] != 0) {
log_error("failure: item %d in the result buffer was unexpectedly non-NULL.\n", i);
test_success = FAILURE; break;
}
}
}
free(host_result);
}
if (test_success == SUCCESS) {
log_info("\t%s ok.\n", typestr);
}
return test_success;
}
int test_null_buffer_arg(cl_device_id device, cl_context context,
cl_command_queue queue, int num_elements)
{
unsigned int test_success = 0;
unsigned int buffer_size;
cl_int status;
cl_program program;
cl_kernel kernel;
// prep kernel:
if (gIsEmbedded)
status = create_single_kernel_helper(context, &program, &kernel, 1,
&kernel_string, "test_kernel");
else
status = create_single_kernel_helper(
context, &program, &kernel, 1, &kernel_string_long, "test_kernel");
test_error(status, "Unable to create kernel");
cl_mem dev_src = clCreateBuffer(context, CL_MEM_READ_ONLY, NITEMS*sizeof(cl_float),
NULL, NULL);
if (gIsEmbedded)
buffer_size = NITEMS*sizeof(cl_int);
else
buffer_size = NITEMS*sizeof(cl_long);
cl_mem dev_dst = clCreateBuffer(context, CL_MEM_WRITE_ONLY, buffer_size,
NULL, NULL);
// set the destination buffer normally:
status = clSetKernelArg(kernel, 1, sizeof(cl_mem), &dev_dst);
test_error(status, "SetKernelArg failed.");
//
// we test three cases:
//
// - typical case, used everyday: non-null buffer
// - the case of src as &NULL (the spec-compliance test)
// - the case of src as NULL (the backwards-compatibility test, Apple only)
//
test_success = test_setargs_and_execution(queue, kernel, dev_src, dev_dst, NON_NULL_PATH);
test_success |= test_setargs_and_execution(queue, kernel, dev_src, dev_dst, ADDROF_NULL_PATH);
#ifdef __APPLE__
test_success |= test_setargs_and_execution(queue, kernel, dev_src, dev_dst, NULL_PATH);
#endif
// clean up:
if (dev_src) clReleaseMemObject(dev_src);
clReleaseMemObject(dev_dst);
clReleaseKernel(kernel);
clReleaseProgram(program);
return test_success;
}
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