OpenCL-CTS/test_conformance/api/test_api_min_max.cpp

//
// 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 "testBase.h"
#include "harness/typeWrappers.h"
#include "harness/testHarness.h"
#include <ctype.h>
#include <string.h>

const char *sample_single_param_kernel[] = {
    "__kernel void sample_test(__global int *src)\n"
    "{\n"
    "    size_t  tid = get_global_id(0);\n"
    "\n"
    "}\n"
};


const char *sample_read_image_kernel_pattern[] = {
    "__kernel void sample_test( __global float *result, ",
    " )\n"
    "{\n"
    "  sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_CLAMP | "
    "CLK_FILTER_NEAREST;\n"
    "    size_t  tid = get_global_id(0);\n"
    "    result[0] = 0.0f;\n",
    "\n"
    "}\n"
};

const char *sample_write_image_kernel_pattern[] = {
    "__kernel void sample_test( ",
    " )\n"
    "{\n"
    "    size_t  tid = get_global_id(0);\n",
    "\n"
    "}\n"
};


const char *sample_large_parmam_kernel_pattern[] = {
    "__kernel void sample_test(%s, __global long *result)\n"
    "{\n"
    "result[0] = 0;\n"
    "%s"
    "\n"
    "}\n"
};

const char *sample_large_int_parmam_kernel_pattern[] = {
    "__kernel void sample_test(%s, __global int *result)\n"
    "{\n"
    "result[0] = 0;\n"
    "%s"
    "\n"
    "}\n"
};

const char *sample_sampler_kernel_pattern[] = {
    "__kernel void sample_test( read_only image2d_t src, __global int4 *dst",
    ", sampler_t sampler%d",
    ")\n"
    "{\n"
    "    size_t  tid = get_global_id(0);\n",
    "    dst[ 0 ] = read_imagei( src, sampler%d, (int2)( 0, 0 ) );\n",
    "\n"
    "}\n"
};

const char *sample_const_arg_kernel[] = {
    "__kernel void sample_test(__constant int *src1, __global int *dst)\n"
    "{\n"
    "    size_t  tid = get_global_id(0);\n"
    "\n"
    "    dst[tid] = src1[tid];\n"
    "\n"
    "}\n"
};

const char *sample_local_arg_kernel[] = {
    "__kernel void sample_test(__local int *src1, __global int *global_src, "
    "__global int *dst)\n"
    "{\n"
    "    size_t  tid = get_global_id(0);\n"
    "\n"
    "    src1[tid] = global_src[tid];\n"
    "    barrier(CLK_GLOBAL_MEM_FENCE);\n"
    "    dst[tid] = src1[tid];\n"
    "\n"
    "}\n"
};

const char *sample_const_max_arg_kernel_pattern =
    "__kernel void sample_test(__constant int *src1 %s, __global int *dst)\n"
    "{\n"
    "    int  tid = get_global_id(0);\n"
    "\n"
    "    dst[tid] = src1[tid];\n"
    "%s"
    "\n"
    "}\n";

#define MAX_REDUCTION_FACTOR 4

int test_min_max_thread_dimensions(cl_device_id deviceID, cl_context context,
                                   cl_command_queue queue, int num_elements)
{
    int error, retVal;
    unsigned int maxThreadDim, threadDim, i;
    clProgramWrapper program;
    clKernelWrapper kernel;
    clMemWrapper streams[1];
    size_t *threads, *localThreads;
    cl_event event;
    cl_int event_status;


    /* Get the max thread dimensions */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS,
                            sizeof(maxThreadDim), &maxThreadDim, NULL);
    test_error(error, "Unable to get max work item dimensions from device");

    if (maxThreadDim < 3)
    {
        log_error("ERROR: Reported max work item dimensions is less than "
                  "required! (%d)\n",
                  maxThreadDim);
        return -1;
    }

    log_info("Reported max thread dimensions of %d.\n", maxThreadDim);

    /* Create a kernel to test with */
    if (create_single_kernel_helper(context, &program, &kernel, 1,
                                    sample_single_param_kernel, "sample_test")
        != 0)
    {
        return -1;
    }

    /* Create some I/O streams */
    streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
                                sizeof(cl_int) * 100, NULL, &error);
    if (streams[0] == NULL)
    {
        log_error("ERROR: Creating test array failed!\n");
        return -1;
    }

    /* Set the arguments */
    error = clSetKernelArg(kernel, 0, sizeof(streams[0]), &streams[0]);
    test_error(error, "Unable to set kernel arguments");

    retVal = 0;

    /* Now try running the kernel with up to that many threads */
    for (threadDim = 1; threadDim <= maxThreadDim; threadDim++)
    {
        threads = (size_t *)malloc(sizeof(size_t) * maxThreadDim);
        localThreads = (size_t *)malloc(sizeof(size_t) * maxThreadDim);
        for (i = 0; i < maxThreadDim; i++)
        {
            threads[i] = 1;
            localThreads[i] = 1;
        }

        error = clEnqueueNDRangeKernel(queue, kernel, maxThreadDim, NULL,
                                       threads, localThreads, 0, NULL, &event);
        test_error(error, "Failed clEnqueueNDRangeKernel");

        // Verify that the event does not return an error from the execution
        error = clWaitForEvents(1, &event);
        test_error(error, "clWaitForEvent failed");
        error = clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
                               sizeof(event_status), &event_status, NULL);
        test_error(
            error,
            "clGetEventInfo for CL_EVENT_COMMAND_EXECUTION_STATUS failed");
        clReleaseEvent(event);
        if (event_status < 0)
            test_error(error, "Kernel execution event returned error");

        /* All done */
        free(threads);
        free(localThreads);
    }

    return retVal;
}


int test_min_max_work_items_sizes(cl_device_id deviceID, cl_context context,
                                  cl_command_queue queue, int num_elements)
{
    int error;
    size_t *deviceMaxWorkItemSize;
    unsigned int maxWorkItemDim;

    /* Get the max work item dimensions */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS,
                            sizeof(maxWorkItemDim), &maxWorkItemDim, NULL);
    test_error(error, "Unable to get max work item dimensions from device");

    log_info("CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS returned %d\n",
             maxWorkItemDim);
    deviceMaxWorkItemSize = (size_t *)malloc(sizeof(size_t) * maxWorkItemDim);
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_WORK_ITEM_SIZES,
                            sizeof(size_t) * maxWorkItemDim,
                            deviceMaxWorkItemSize, NULL);
    test_error(error, "clDeviceInfo for CL_DEVICE_MAX_WORK_ITEM_SIZES failed");

    unsigned int i;
    int errors = 0;
    for (i = 0; i < maxWorkItemDim; i++)
    {
        if (deviceMaxWorkItemSize[i] < 1)
        {
            log_error("MAX_WORK_ITEM_SIZE in dimension %d is invalid: %lu\n", i,
                      deviceMaxWorkItemSize[i]);
            errors++;
        }
        else
        {
            log_info("Dimension %d has max work item size %lu\n", i,
                     deviceMaxWorkItemSize[i]);
        }
    }

    free(deviceMaxWorkItemSize);

    if (errors) return -1;
    return 0;
}


int test_min_max_work_group_size(cl_device_id deviceID, cl_context context,
                                 cl_command_queue queue, int num_elements)
{
    int error;
    size_t deviceMaxThreadSize;

    /* Get the max thread dimensions */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_WORK_GROUP_SIZE,
                            sizeof(deviceMaxThreadSize), &deviceMaxThreadSize,
                            NULL);
    test_error(error, "Unable to get max work group size from device");

    log_info("Reported %ld max device work group size.\n", deviceMaxThreadSize);

    if (deviceMaxThreadSize == 0)
    {
        log_error("ERROR: Max work group size is reported as zero!\n");
        return -1;
    }
    return 0;
}

int test_min_max_read_image_args(cl_device_id deviceID, cl_context context,
                                 cl_command_queue queue, int num_elements)
{
    int error;
    unsigned int maxReadImages, i;
    unsigned int deviceAddressSize;
    clProgramWrapper program;
    char readArgLine[128], *programSrc;
    const char *readArgPattern = ", read_only image2d_t srcimg%d";
    clKernelWrapper kernel;
    clMemWrapper *streams, result;
    size_t threads[2];
    cl_image_format image_format_desc;
    size_t maxParameterSize;
    cl_event event;
    cl_int event_status;
    cl_float image_data[4 * 4];
    float image_result = 0.0f;
    float actual_image_result;
    cl_uint minRequiredReadImages = gIsEmbedded ? 8 : 128;
    cl_device_type deviceType;

    PASSIVE_REQUIRE_IMAGE_SUPPORT(deviceID)
    image_format_desc.image_channel_order = CL_RGBA;
    image_format_desc.image_channel_data_type = CL_FLOAT;

    /* Get the max read image arg count */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_READ_IMAGE_ARGS,
                            sizeof(maxReadImages), &maxReadImages, NULL);
    test_error(error, "Unable to get max read image arg count from device");

    if (maxReadImages < minRequiredReadImages)
    {
        log_error("ERROR: Reported max read image arg count is less than "
                  "required! (%d)\n",
                  maxReadImages);
        return -1;
    }

    log_info("Reported %d max read image args.\n", maxReadImages);

    error =
        clGetDeviceInfo(deviceID, CL_DEVICE_ADDRESS_BITS,
                        sizeof(deviceAddressSize), &deviceAddressSize, NULL);
    test_error(error, "Unable to query CL_DEVICE_ADDRESS_BITS for device");
    deviceAddressSize /= 8; // convert from bits to bytes


    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_PARAMETER_SIZE,
                            sizeof(maxParameterSize), &maxParameterSize, NULL);
    test_error(error, "Unable to get max parameter size from device");

    if (!gIsEmbedded && maxReadImages >= 128 && maxParameterSize == 1024)
    {
        error = clGetDeviceInfo(deviceID, CL_DEVICE_TYPE, sizeof(deviceType),
                                &deviceType, NULL);
        test_error(error, "Unable to get device type from device");

        if (deviceType != CL_DEVICE_TYPE_CUSTOM)
        {
            maxReadImages = 127;
        }
    }
    // Subtract the size of the result
    maxParameterSize -= deviceAddressSize;

    // Calculate the number we can use
    if (maxParameterSize / deviceAddressSize < maxReadImages)
    {
        log_info("WARNING: Max parameter size of %d bytes limits test to %d "
                 "max image arguments.\n",
                 (int)maxParameterSize,
                 (int)(maxParameterSize / deviceAddressSize));
        maxReadImages = (unsigned int)(maxParameterSize / deviceAddressSize);
    }

    /* Create a program with that many read args */
    programSrc = (char *)malloc(strlen(sample_read_image_kernel_pattern[0])
                                + (strlen(readArgPattern) + 6) * (maxReadImages)
                                + strlen(sample_read_image_kernel_pattern[1])
                                + 1 + 40240);

    strcpy(programSrc, sample_read_image_kernel_pattern[0]);
    strcat(programSrc, "read_only image2d_t srcimg0");
    for (i = 0; i < maxReadImages - 1; i++)
    {
        sprintf(readArgLine, readArgPattern, i + 1);
        strcat(programSrc, readArgLine);
    }
    strcat(programSrc, sample_read_image_kernel_pattern[1]);
    for (i = 0; i < maxReadImages; i++)
    {
        sprintf(
            readArgLine,
            "\tresult[0] += read_imagef( srcimg%d, sampler, (int2)(0,0)).x;\n",
            i);
        strcat(programSrc, readArgLine);
    }
    strcat(programSrc, sample_read_image_kernel_pattern[2]);

    error =
        create_single_kernel_helper(context, &program, &kernel, 1,
                                    (const char **)&programSrc, "sample_test");
    test_error(error, "Failed to create the program and kernel.");
    free(programSrc);

    result = clCreateBuffer(context, CL_MEM_READ_WRITE, sizeof(cl_float), NULL,
                            &error);
    test_error(error, "clCreateBufer failed");

    /* Create some I/O streams */
    streams = new clMemWrapper[maxReadImages + 1];
    for (i = 0; i < maxReadImages; i++)
    {
        image_data[0] = i;
        image_result += image_data[0];
        streams[i] =
            create_image_2d(context, CL_MEM_READ_WRITE | CL_MEM_COPY_HOST_PTR,
                            &image_format_desc, 4, 4, 0, image_data, &error);
        test_error(error, "Unable to allocate test image");
    }

    error = clSetKernelArg(kernel, 0, sizeof(result), &result);
    test_error(error, "Unable to set kernel arguments");

    /* Set the arguments */
    for (i = 1; i < maxReadImages + 1; i++)
    {
        error =
            clSetKernelArg(kernel, i, sizeof(streams[i - 1]), &streams[i - 1]);
        test_error(error, "Unable to set kernel arguments");
    }

    /* Now try running the kernel */
    threads[0] = threads[1] = 1;
    error = clEnqueueNDRangeKernel(queue, kernel, 2, NULL, threads, NULL, 0,
                                   NULL, &event);
    test_error(error, "clEnqueueNDRangeKernel failed");

    // Verify that the event does not return an error from the execution
    error = clWaitForEvents(1, &event);
    test_error(error, "clWaitForEvent failed");
    error = clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
                           sizeof(event_status), &event_status, NULL);
    test_error(error,
               "clGetEventInfo for CL_EVENT_COMMAND_EXECUTION_STATUS failed");
    clReleaseEvent(event);
    if (event_status < 0)
        test_error(error, "Kernel execution event returned error");

    error = clEnqueueReadBuffer(queue, result, CL_TRUE, 0, sizeof(cl_float),
                                &actual_image_result, 0, NULL, NULL);
    test_error(error, "clEnqueueReadBuffer failed");

    delete[] streams;

    if (actual_image_result != image_result)
    {
        log_error("Result failed to verify. Got %g, expected %g.\n",
                  actual_image_result, image_result);
        return 1;
    }

    return 0;
}

int test_min_max_write_image_args(cl_device_id deviceID, cl_context context,
                                  cl_command_queue queue, int num_elements)
{
    int error;
    unsigned int maxWriteImages, i;
    clProgramWrapper program;
    char writeArgLine[128], *programSrc;
    const char *writeArgPattern = ", write_only image2d_t dstimg%d";
    clKernelWrapper kernel;
    clMemWrapper *streams;
    size_t threads[2];
    cl_image_format image_format_desc;
    size_t maxParameterSize;
    cl_event event;
    cl_int event_status;
    cl_uint minRequiredWriteImages = gIsEmbedded ? 1 : 8;


    PASSIVE_REQUIRE_IMAGE_SUPPORT(deviceID)
    image_format_desc.image_channel_order = CL_RGBA;
    image_format_desc.image_channel_data_type = CL_UNORM_INT8;

    /* Get the max read image arg count */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_WRITE_IMAGE_ARGS,
                            sizeof(maxWriteImages), &maxWriteImages, NULL);
    test_error(error, "Unable to get max write image arg count from device");

    if (maxWriteImages == 0)
    {
        log_info(
            "WARNING: Device reports 0 for a max write image arg count (write "
            "image arguments unsupported). Skipping test (implicitly passes). "
            "This is only valid if the number of image formats is also 0.\n");
        return 0;
    }

    if (maxWriteImages < minRequiredWriteImages)
    {
        log_error("ERROR: Reported max write image arg count is less than "
                  "required! (%d)\n",
                  maxWriteImages);
        return -1;
    }

    log_info("Reported %d max write image args.\n", maxWriteImages);

    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_PARAMETER_SIZE,
                            sizeof(maxParameterSize), &maxParameterSize, NULL);
    test_error(error, "Unable to get max parameter size from device");

    // Calculate the number we can use
    if (maxParameterSize / sizeof(cl_mem) < maxWriteImages)
    {
        log_info("WARNING: Max parameter size of %d bytes limits test to %d "
                 "max image arguments.\n",
                 (int)maxParameterSize,
                 (int)(maxParameterSize / sizeof(cl_mem)));
        maxWriteImages = (unsigned int)(maxParameterSize / sizeof(cl_mem));
    }

    /* Create a program with that many write args + 1 */
    programSrc = (char *)malloc(
        strlen(sample_write_image_kernel_pattern[0])
        + (strlen(writeArgPattern) + 6) * (maxWriteImages + 1)
        + strlen(sample_write_image_kernel_pattern[1]) + 1 + 40240);

    strcpy(programSrc, sample_write_image_kernel_pattern[0]);
    strcat(programSrc, "write_only image2d_t dstimg0");
    for (i = 1; i < maxWriteImages; i++)
    {
        sprintf(writeArgLine, writeArgPattern, i);
        strcat(programSrc, writeArgLine);
    }
    strcat(programSrc, sample_write_image_kernel_pattern[1]);
    for (i = 0; i < maxWriteImages; i++)
    {
        sprintf(writeArgLine,
                "\twrite_imagef( dstimg%d, (int2)(0,0), (float4)(0,0,0,0));\n",
                i);
        strcat(programSrc, writeArgLine);
    }
    strcat(programSrc, sample_write_image_kernel_pattern[2]);

    error =
        create_single_kernel_helper(context, &program, &kernel, 1,
                                    (const char **)&programSrc, "sample_test");
    test_error(error, "Failed to create the program and kernel.");
    free(programSrc);


    /* Create some I/O streams */
    streams = new clMemWrapper[maxWriteImages + 1];
    for (i = 0; i < maxWriteImages; i++)
    {
        streams[i] =
            create_image_2d(context, CL_MEM_READ_WRITE, &image_format_desc, 16,
                            16, 0, NULL, &error);
        test_error(error, "Unable to allocate test image");
    }

    /* Set the arguments */
    for (i = 0; i < maxWriteImages; i++)
    {
        error = clSetKernelArg(kernel, i, sizeof(streams[i]), &streams[i]);
        test_error(error, "Unable to set kernel arguments");
    }

    /* Now try running the kernel */
    threads[0] = threads[1] = 16;
    error = clEnqueueNDRangeKernel(queue, kernel, 2, NULL, threads, NULL, 0,
                                   NULL, &event);
    test_error(error, "clEnqueueNDRangeKernel failed.");

    // Verify that the event does not return an error from the execution
    error = clWaitForEvents(1, &event);
    test_error(error, "clWaitForEvent failed");
    error = clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
                           sizeof(event_status), &event_status, NULL);
    test_error(error,
               "clGetEventInfo for CL_EVENT_COMMAND_EXECUTION_STATUS failed");
    clReleaseEvent(event);
    if (event_status < 0)
        test_error(error, "Kernel execution event returned error");

    /* All done */
    delete[] streams;
    return 0;
}

int test_min_max_mem_alloc_size(cl_device_id deviceID, cl_context context,
                                cl_command_queue queue, int num_elements)
{
    int error;
    cl_ulong maxAllocSize, memSize, minSizeToTry, currentSize;
    clMemWrapper memHdl;

    cl_ulong requiredAllocSize;

    if (gIsEmbedded)
        requiredAllocSize = 1 * 1024 * 1024;
    else
        requiredAllocSize = 128 * 1024 * 1024;

    /* Get the max mem alloc size, limit the alloc to half of the available
     * memory */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    memSize = get_device_info_global_mem_size(deviceID,
                                              MAX_DEVICE_MEMORY_SIZE_DIVISOR);

    if (memSize < maxAllocSize)
    {
        log_info("Global memory size is less than max allocation size, using "
                 "that.\n");
        maxAllocSize = memSize;
    }

    if (memSize > (cl_ulong)SIZE_MAX)
    {
        memSize = (cl_ulong)SIZE_MAX;
    }

    if (maxAllocSize < requiredAllocSize)
    {
        log_error("ERROR: Reported max allocation size is less than required");
        return -1;
    }

    log_info("Reported max allocation size of %lld bytes (%gMB) and global mem "
             "size of %lld bytes (%gMB).\n",
             maxAllocSize, maxAllocSize / (1024.0 * 1024.0), memSize,
             memSize / (1024.0 * 1024.0));

    minSizeToTry = maxAllocSize / 16;
    currentSize = maxAllocSize;
    while (currentSize >= maxAllocSize / MAX_REDUCTION_FACTOR)
    {

        log_info("Trying to create a buffer of size of %lld bytes (%gMB).\n",
                 currentSize, (double)currentSize / (1024.0 * 1024.0));
        memHdl = clCreateBuffer(context, CL_MEM_READ_ONLY, (size_t)currentSize,
                                NULL, &error);
        if (error == CL_MEM_OBJECT_ALLOCATION_FAILURE
            || error == CL_OUT_OF_RESOURCES || error == CL_OUT_OF_HOST_MEMORY)
        {
            log_info("\tAllocation failed at size of %lld bytes (%gMB).\n",
                     currentSize, (double)currentSize / (1024.0 * 1024.0));
            currentSize -= minSizeToTry;
            continue;
        }
        test_error(error, "clCreateBuffer failed for maximum sized buffer.");
        return 0;
    }
    log_error("Failed to allocate even %lld bytes (%gMB).\n", currentSize,
              (double)currentSize / (1024.0 * 1024.0));
    return -1;
}

int test_min_max_image_2d_width(cl_device_id deviceID, cl_context context,
                                cl_command_queue queue, int num_elements)
{
    int error;
    size_t maxDimension;
    clMemWrapper streams[1];
    cl_image_format image_format_desc;
    cl_ulong maxAllocSize;
    cl_uint minRequiredDimension;

    PASSIVE_REQUIRE_IMAGE_SUPPORT(deviceID)

    auto version = get_device_cl_version(deviceID);
    if (version == Version(1, 0))
    {
        minRequiredDimension = gIsEmbedded ? 2048 : 4096;
    }
    else
    {
        minRequiredDimension = gIsEmbedded ? 2048 : 8192;
    }


    /* Just get any ol format to test with */
    error = get_8_bit_image_format(context, CL_MEM_OBJECT_IMAGE2D,
                                   CL_MEM_READ_WRITE, 0, &image_format_desc);
    test_error(error, "Unable to obtain suitable image format to test with!");

    /* Get the max 2d image width */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_IMAGE2D_MAX_WIDTH,
                            sizeof(maxDimension), &maxDimension, NULL);
    test_error(error, "Unable to get max image 2d width from device");

    if (maxDimension < minRequiredDimension)
    {
        log_error(
            "ERROR: Reported max image 2d width is less than required! (%d)\n",
            (int)maxDimension);
        return -1;
    }
    log_info("Max reported width is %ld.\n", maxDimension);

    /* Verify we can use the format */
    image_format_desc.image_channel_data_type = CL_UNORM_INT8;
    image_format_desc.image_channel_order = CL_RGBA;
    if (!is_image_format_supported(context, CL_MEM_READ_ONLY,
                                   CL_MEM_OBJECT_IMAGE2D, &image_format_desc))
    {
        log_error("CL_UNORM_INT8 CL_RGBA not supported. Can not test.");
        return -1;
    }

    /* Verify that we can actually allocate an image that large */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    if ((cl_ulong)maxDimension * 1 * 4 > maxAllocSize)
    {
        log_error("Can not allocate a large enough image (min size: %lld "
                  "bytes, max allowed: %lld bytes) to test.\n",
                  (cl_ulong)maxDimension * 1 * 4, maxAllocSize);
        return -1;
    }

    log_info("Attempting to create an image of size %d x 1 = %gMB.\n",
             (int)maxDimension, ((float)maxDimension * 4 / 1024.0 / 1024.0));

    /* Try to allocate a very big image */
    streams[0] = create_image_2d(context, CL_MEM_READ_ONLY, &image_format_desc,
                                 maxDimension, 1, 0, NULL, &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error, "Image 2D creation failed for maximum width");
        return -1;
    }

    return 0;
}

int test_min_max_image_2d_height(cl_device_id deviceID, cl_context context,
                                 cl_command_queue queue, int num_elements)
{
    int error;
    size_t maxDimension;
    clMemWrapper streams[1];
    cl_image_format image_format_desc;
    cl_ulong maxAllocSize;
    cl_uint minRequiredDimension;

    PASSIVE_REQUIRE_IMAGE_SUPPORT(deviceID)

    auto version = get_device_cl_version(deviceID);
    if (version == Version(1, 0))
    {
        minRequiredDimension = gIsEmbedded ? 2048 : 4096;
    }
    else
    {
        minRequiredDimension = gIsEmbedded ? 2048 : 8192;
    }

    /* Just get any ol format to test with */
    error = get_8_bit_image_format(context, CL_MEM_OBJECT_IMAGE2D,
                                   CL_MEM_READ_WRITE, 0, &image_format_desc);
    test_error(error, "Unable to obtain suitable image format to test with!");

    /* Get the max 2d image width */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_IMAGE2D_MAX_HEIGHT,
                            sizeof(maxDimension), &maxDimension, NULL);
    test_error(error, "Unable to get max image 2d height from device");

    if (maxDimension < minRequiredDimension)
    {
        log_error(
            "ERROR: Reported max image 2d height is less than required! (%d)\n",
            (int)maxDimension);
        return -1;
    }
    log_info("Max reported height is %ld.\n", maxDimension);

    /* Verify we can use the format */
    image_format_desc.image_channel_data_type = CL_UNORM_INT8;
    image_format_desc.image_channel_order = CL_RGBA;
    if (!is_image_format_supported(context, CL_MEM_READ_ONLY,
                                   CL_MEM_OBJECT_IMAGE2D, &image_format_desc))
    {
        log_error("CL_UNORM_INT8 CL_RGBA not supported. Can not test.");
        return -1;
    }

    /* Verify that we can actually allocate an image that large */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    if ((cl_ulong)maxDimension * 1 * 4 > maxAllocSize)
    {
        log_error("Can not allocate a large enough image (min size: %lld "
                  "bytes, max allowed: %lld bytes) to test.\n",
                  (cl_ulong)maxDimension * 1 * 4, maxAllocSize);
        return -1;
    }

    log_info("Attempting to create an image of size 1 x %d = %gMB.\n",
             (int)maxDimension, ((float)maxDimension * 4 / 1024.0 / 1024.0));

    /* Try to allocate a very big image */
    streams[0] = create_image_2d(context, CL_MEM_READ_ONLY, &image_format_desc,
                                 1, maxDimension, 0, NULL, &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error, "Image 2D creation failed for maximum height");
        return -1;
    }

    return 0;
}

int test_min_max_image_3d_width(cl_device_id deviceID, cl_context context,
                                cl_command_queue queue, int num_elements)
{
    int error;
    size_t maxDimension;
    clMemWrapper streams[1];
    cl_image_format image_format_desc;
    cl_ulong maxAllocSize;


    PASSIVE_REQUIRE_3D_IMAGE_SUPPORT(deviceID)

    /* Just get any ol format to test with */
    error = get_8_bit_image_format(context, CL_MEM_OBJECT_IMAGE3D,
                                   CL_MEM_READ_ONLY, 0, &image_format_desc);
    test_error(error, "Unable to obtain suitable image format to test with!");

    /* Get the max 2d image width */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_IMAGE3D_MAX_WIDTH,
                            sizeof(maxDimension), &maxDimension, NULL);
    test_error(error, "Unable to get max image 3d width from device");

    if (maxDimension < 2048)
    {
        log_error(
            "ERROR: Reported max image 3d width is less than required! (%d)\n",
            (int)maxDimension);
        return -1;
    }
    log_info("Max reported width is %ld.\n", maxDimension);

    /* Verify we can use the format */
    image_format_desc.image_channel_data_type = CL_UNORM_INT8;
    image_format_desc.image_channel_order = CL_RGBA;
    if (!is_image_format_supported(context, CL_MEM_READ_ONLY,
                                   CL_MEM_OBJECT_IMAGE3D, &image_format_desc))
    {
        log_error("CL_UNORM_INT8 CL_RGBA not supported. Can not test.");
        return -1;
    }

    /* Verify that we can actually allocate an image that large */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    if ((cl_ulong)maxDimension * 2 * 4 > maxAllocSize)
    {
        log_error("Can not allocate a large enough image (min size: %lld "
                  "bytes, max allowed: %lld bytes) to test.\n",
                  (cl_ulong)maxDimension * 2 * 4, maxAllocSize);
        return -1;
    }

    log_info("Attempting to create an image of size %d x 1 x 2 = %gMB.\n",
             (int)maxDimension,
             (2 * (float)maxDimension * 4 / 1024.0 / 1024.0));

    /* Try to allocate a very big image */
    streams[0] = create_image_3d(context, CL_MEM_READ_ONLY, &image_format_desc,
                                 maxDimension, 1, 2, 0, 0, NULL, &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error, "Image 3D creation failed for maximum width");
        return -1;
    }

    return 0;
}

int test_min_max_image_3d_height(cl_device_id deviceID, cl_context context,
                                 cl_command_queue queue, int num_elements)
{
    int error;
    size_t maxDimension;
    clMemWrapper streams[1];
    cl_image_format image_format_desc;
    cl_ulong maxAllocSize;


    PASSIVE_REQUIRE_3D_IMAGE_SUPPORT(deviceID)

    /* Just get any ol format to test with */
    error = get_8_bit_image_format(context, CL_MEM_OBJECT_IMAGE3D,
                                   CL_MEM_READ_ONLY, 0, &image_format_desc);
    test_error(error, "Unable to obtain suitable image format to test with!");

    /* Get the max 2d image width */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_IMAGE3D_MAX_HEIGHT,
                            sizeof(maxDimension), &maxDimension, NULL);
    test_error(error, "Unable to get max image 3d height from device");

    if (maxDimension < 2048)
    {
        log_error(
            "ERROR: Reported max image 3d height is less than required! (%d)\n",
            (int)maxDimension);
        return -1;
    }
    log_info("Max reported height is %ld.\n", maxDimension);

    /* Verify we can use the format */
    image_format_desc.image_channel_data_type = CL_UNORM_INT8;
    image_format_desc.image_channel_order = CL_RGBA;
    if (!is_image_format_supported(context, CL_MEM_READ_ONLY,
                                   CL_MEM_OBJECT_IMAGE3D, &image_format_desc))
    {
        log_error("CL_UNORM_INT8 CL_RGBA not supported. Can not test.");
        return -1;
    }

    /* Verify that we can actually allocate an image that large */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    if ((cl_ulong)maxDimension * 2 * 4 > maxAllocSize)
    {
        log_error("Can not allocate a large enough image (min size: %lld "
                  "bytes, max allowed: %lld bytes) to test.\n",
                  (cl_ulong)maxDimension * 2 * 4, maxAllocSize);
        return -1;
    }

    log_info("Attempting to create an image of size 1 x %d x 2 = %gMB.\n",
             (int)maxDimension,
             (2 * (float)maxDimension * 4 / 1024.0 / 1024.0));

    /* Try to allocate a very big image */
    streams[0] = create_image_3d(context, CL_MEM_READ_ONLY, &image_format_desc,
                                 1, maxDimension, 2, 0, 0, NULL, &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error, "Image 3D creation failed for maximum height");
        return -1;
    }

    return 0;
}


int test_min_max_image_3d_depth(cl_device_id deviceID, cl_context context,
                                cl_command_queue queue, int num_elements)
{
    int error;
    size_t maxDimension;
    clMemWrapper streams[1];
    cl_image_format image_format_desc;
    cl_ulong maxAllocSize;


    PASSIVE_REQUIRE_3D_IMAGE_SUPPORT(deviceID)

    /* Just get any ol format to test with */
    error = get_8_bit_image_format(context, CL_MEM_OBJECT_IMAGE3D,
                                   CL_MEM_READ_ONLY, 0, &image_format_desc);
    test_error(error, "Unable to obtain suitable image format to test with!");

    /* Get the max 2d image width */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_IMAGE3D_MAX_DEPTH,
                            sizeof(maxDimension), &maxDimension, NULL);
    test_error(error, "Unable to get max image 3d depth from device");

    if (maxDimension < 2048)
    {
        log_error(
            "ERROR: Reported max image 3d depth is less than required! (%d)\n",
            (int)maxDimension);
        return -1;
    }
    log_info("Max reported depth is %ld.\n", maxDimension);

    /* Verify we can use the format */
    image_format_desc.image_channel_data_type = CL_UNORM_INT8;
    image_format_desc.image_channel_order = CL_RGBA;
    if (!is_image_format_supported(context, CL_MEM_READ_ONLY,
                                   CL_MEM_OBJECT_IMAGE3D, &image_format_desc))
    {
        log_error("CL_UNORM_INT8 CL_RGBA not supported. Can not test.");
        return -1;
    }

    /* Verify that we can actually allocate an image that large */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    if ((cl_ulong)maxDimension * 1 * 4 > maxAllocSize)
    {
        log_error("Can not allocate a large enough image (min size: %lld "
                  "bytes, max allowed: %lld bytes) to test.\n",
                  (cl_ulong)maxDimension * 1 * 4, maxAllocSize);
        return -1;
    }

    log_info("Attempting to create an image of size 1 x 1 x %d = %gMB.\n",
             (int)maxDimension, ((float)maxDimension * 4 / 1024.0 / 1024.0));

    /* Try to allocate a very big image */
    streams[0] = create_image_3d(context, CL_MEM_READ_ONLY, &image_format_desc,
                                 1, 1, maxDimension, 0, 0, NULL, &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error, "Image 3D creation failed for maximum depth");
        return -1;
    }

    return 0;
}

int test_min_max_image_array_size(cl_device_id deviceID, cl_context context,
                                  cl_command_queue queue, int num_elements)
{
    int error;
    size_t maxDimension;
    clMemWrapper streams[1];
    cl_image_format image_format_desc;
    cl_ulong maxAllocSize;
    size_t minRequiredDimension = gIsEmbedded ? 256 : 2048;

    PASSIVE_REQUIRE_IMAGE_SUPPORT(deviceID);

    /* Just get any ol format to test with */
    error = get_8_bit_image_format(context, CL_MEM_OBJECT_IMAGE2D_ARRAY,
                                   CL_MEM_READ_WRITE, 0, &image_format_desc);
    test_error(error, "Unable to obtain suitable image format to test with!");

    /* Get the max image array width */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_IMAGE_MAX_ARRAY_SIZE,
                            sizeof(maxDimension), &maxDimension, NULL);
    test_error(error, "Unable to get max image array size from device");

    if (maxDimension < minRequiredDimension)
    {
        log_error("ERROR: Reported max image array size is less than required! "
                  "(%d)\n",
                  (int)maxDimension);
        return -1;
    }
    log_info("Max reported image array size is %ld.\n", maxDimension);

    /* Verify we can use the format */
    image_format_desc.image_channel_data_type = CL_UNORM_INT8;
    image_format_desc.image_channel_order = CL_RGBA;
    if (!is_image_format_supported(context, CL_MEM_READ_ONLY,
                                   CL_MEM_OBJECT_IMAGE2D_ARRAY,
                                   &image_format_desc))
    {
        log_error("CL_UNORM_INT8 CL_RGBA not supported. Can not test.");
        return -1;
    }

    /* Verify that we can actually allocate an image that large */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    if ((cl_ulong)maxDimension * 1 * 4 > maxAllocSize)
    {
        log_error("Can not allocate a large enough image (min size: %lld "
                  "bytes, max allowed: %lld bytes) to test.\n",
                  (cl_ulong)maxDimension * 1 * 4, maxAllocSize);
        return -1;
    }

    log_info("Attempting to create an image of size 1 x 1 x %d = %gMB.\n",
             (int)maxDimension, ((float)maxDimension * 4 / 1024.0 / 1024.0));

    /* Try to allocate a very big image */
    streams[0] =
        create_image_2d_array(context, CL_MEM_READ_ONLY, &image_format_desc, 1,
                              1, maxDimension, 0, 0, NULL, &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error,
                    "2D Image Array creation failed for maximum array size");
        return -1;
    }

    return 0;
}

int test_min_max_image_buffer_size(cl_device_id deviceID, cl_context context,
                                   cl_command_queue queue, int num_elements)
{
    int error;
    size_t maxDimensionPixels;
    clMemWrapper streams[2];
    cl_image_format image_format_desc = { 0 };
    cl_ulong maxAllocSize;
    size_t minRequiredDimension = gIsEmbedded ? 2048 : 65536;
    unsigned int i = 0;
    size_t pixelBytes = 0;

    PASSIVE_REQUIRE_IMAGE_SUPPORT(deviceID);

    /* Get the max memory allocation size, divide it */
    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);

    /* Get the max image array width */
    error =
        clGetDeviceInfo(deviceID, CL_DEVICE_IMAGE_MAX_BUFFER_SIZE,
                        sizeof(maxDimensionPixels), &maxDimensionPixels, NULL);
    test_error(error, "Unable to get max image buffer size from device");

    if (maxDimensionPixels < minRequiredDimension)
    {
        log_error("ERROR: Reported max image buffer size is less than "
                  "required! (%d)\n",
                  (int)maxDimensionPixels);
        return -1;
    }
    log_info("Max reported image buffer size is %ld pixels.\n",
             maxDimensionPixels);

    pixelBytes = maxAllocSize / maxDimensionPixels;
    if (pixelBytes == 0)
    {
        log_error("Value of CL_DEVICE_IMAGE_MAX_BUFFER_SIZE is greater than "
                  "CL_MAX_MEM_ALLOC_SIZE so there is no way to allocate image "
                  "of maximum size!\n");
        return -1;
    }

    error = -1;
    for (i = pixelBytes; i > 0; --i)
    {
        error = get_8_bit_image_format(context, CL_MEM_OBJECT_IMAGE1D,
                                       CL_MEM_READ_ONLY, i, &image_format_desc);
        if (error == CL_SUCCESS)
        {
            pixelBytes = i;
            break;
        }
    }
    test_error(error,
               "Device does not support format to be used to allocate image of "
               "CL_DEVICE_IMAGE_MAX_BUFFER_SIZE\n");

    log_info("Attempting to create an 1D image with channel order %s from "
             "buffer of size %d = %gMB.\n",
             GetChannelOrderName(image_format_desc.image_channel_order),
             (int)maxDimensionPixels,
             ((float)maxDimensionPixels * pixelBytes / 1024.0 / 1024.0));

    /* Try to allocate a buffer */
    streams[0] = clCreateBuffer(context, CL_MEM_READ_ONLY,
                                maxDimensionPixels * pixelBytes, NULL, &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error,
                    "Buffer creation failed for maximum image buffer size");
        return -1;
    }

    /* Try to allocate a 1D image array from buffer */
    streams[1] =
        create_image_1d(context, CL_MEM_READ_ONLY, &image_format_desc,
                        maxDimensionPixels, 0, NULL, streams[0], &error);
    if ((streams[0] == NULL) || (error != CL_SUCCESS))
    {
        print_error(error,
                    "1D Image from buffer creation failed for maximum image "
                    "buffer size");
        return -1;
    }

    return 0;
}


int test_min_max_parameter_size(cl_device_id deviceID, cl_context context,
                                cl_command_queue queue, int num_elements)
{
    int error, i;
    size_t maxSize;
    char *programSrc;
    char *ptr;
    size_t numberExpected;
    long numberOfIntParametersToTry;
    char *argumentLine, *codeLines;
    void *data;
    cl_long long_result, expectedResult;
    cl_int int_result;
    size_t decrement;
    cl_event event;
    cl_int event_status;
    bool embeddedNoLong = gIsEmbedded && !gHasLong;


    /* Get the max param size */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_PARAMETER_SIZE,
                            sizeof(maxSize), &maxSize, NULL);
    test_error(error, "Unable to get max parameter size from device");


    if (((!gIsEmbedded) && (maxSize < 1024))
        || ((gIsEmbedded) && (maxSize < 256)))
    {
        log_error(
            "ERROR: Reported max parameter size is less than required! (%d)\n",
            (int)maxSize);
        return -1;
    }

    /* The embedded profile without cles_khr_int64 extension does not require
     * longs, so use ints */
    if (embeddedNoLong)
        numberOfIntParametersToTry = numberExpected =
            (maxSize - sizeof(cl_mem)) / sizeof(cl_int);
    else
        numberOfIntParametersToTry = numberExpected =
            (maxSize - sizeof(cl_mem)) / sizeof(cl_long);

    decrement = (size_t)(numberOfIntParametersToTry / 8);
    if (decrement < 1) decrement = 1;
    log_info("Reported max parameter size of %d bytes.\n", (int)maxSize);

    while (numberOfIntParametersToTry > 0)
    {
        // These need to be inside to be deallocated automatically on each loop
        // iteration.
        clProgramWrapper program;
        clMemWrapper mem;
        clKernelWrapper kernel;

        if (embeddedNoLong)
        {
            log_info(
                "Trying a kernel with %ld int arguments (%ld bytes) and one "
                "cl_mem (%ld bytes) for %ld bytes total.\n",
                numberOfIntParametersToTry,
                sizeof(cl_int) * numberOfIntParametersToTry, sizeof(cl_mem),
                sizeof(cl_mem) + numberOfIntParametersToTry * sizeof(cl_int));
        }
        else
        {
            log_info(
                "Trying a kernel with %ld long arguments (%ld bytes) and one "
                "cl_mem (%ld bytes) for %ld bytes total.\n",
                numberOfIntParametersToTry,
                sizeof(cl_long) * numberOfIntParametersToTry, sizeof(cl_mem),
                sizeof(cl_mem) + numberOfIntParametersToTry * sizeof(cl_long));
        }

        // Allocate memory for the program storage
        data = malloc(sizeof(cl_long) * numberOfIntParametersToTry);

        argumentLine =
            (char *)malloc(sizeof(char) * numberOfIntParametersToTry * 32);
        codeLines =
            (char *)malloc(sizeof(char) * numberOfIntParametersToTry * 32);
        programSrc = (char *)malloc(sizeof(char)
                                    * (numberOfIntParametersToTry * 64 + 1024));
        argumentLine[0] = '\0';
        codeLines[0] = '\0';
        programSrc[0] = '\0';

        // Generate our results
        expectedResult = 0;
        for (i = 0; i < (int)numberOfIntParametersToTry; i++)
        {
            if (gHasLong)
            {
                ((cl_long *)data)[i] = i;
                expectedResult += i;
            }
            else
            {
                ((cl_int *)data)[i] = i;
                expectedResult += i;
            }
        }

        // Build the program
        if (gHasLong)
            sprintf(argumentLine, "%s", "long arg0");
        else
            sprintf(argumentLine, "%s", "int arg0");

        sprintf(codeLines, "%s", "result[0] += arg0;");
        for (i = 1; i < (int)numberOfIntParametersToTry; i++)
        {
            if (gHasLong)
                sprintf(argumentLine + strlen(argumentLine), ", long arg%d", i);
            else
                sprintf(argumentLine + strlen(argumentLine), ", int arg%d", i);

            sprintf(codeLines + strlen(codeLines), "\nresult[0] += arg%d;", i);
        }

        /* Create a kernel to test with */
        sprintf(programSrc,
                gHasLong ? sample_large_parmam_kernel_pattern[0]
                         : sample_large_int_parmam_kernel_pattern[0],
                argumentLine, codeLines);

        ptr = programSrc;
        if (create_single_kernel_helper(context, &program, &kernel, 1,
                                        (const char **)&ptr, "sample_test")
            != 0)
        {
            log_info("Create program failed, decrementing number of parameters "
                     "to try.\n");
            numberOfIntParametersToTry -= decrement;
            continue;
        }

        /* Try to set a large argument to the kernel */
        mem = clCreateBuffer(context, CL_MEM_READ_WRITE, sizeof(cl_long), NULL,
                             &error);
        test_error(error, "clCreateBuffer failed");

        for (i = 0; i < (int)numberOfIntParametersToTry; i++)
        {
            if (gHasLong)
                error = clSetKernelArg(kernel, i, sizeof(cl_long),
                                       &(((cl_long *)data)[i]));
            else
                error = clSetKernelArg(kernel, i, sizeof(cl_int),
                                       &(((cl_int *)data)[i]));

            if (error != CL_SUCCESS)
            {
                log_info("clSetKernelArg failed (%s), decrementing number of "
                         "parameters to try.\n",
                         IGetErrorString(error));
                numberOfIntParametersToTry -= decrement;
                break;
            }
        }
        if (error != CL_SUCCESS) continue;


        error = clSetKernelArg(kernel, i, sizeof(cl_mem), &mem);
        if (error != CL_SUCCESS)
        {
            log_info("clSetKernelArg failed (%s), decrementing number of "
                     "parameters to try.\n",
                     IGetErrorString(error));
            numberOfIntParametersToTry -= decrement;
            continue;
        }

        size_t globalDim[3] = { 1, 1, 1 }, localDim[3] = { 1, 1, 1 };
        error = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, globalDim,
                                       localDim, 0, NULL, &event);
        if (error != CL_SUCCESS)
        {
            log_info("clEnqueueNDRangeKernel failed (%s), decrementing number "
                     "of parameters to try.\n",
                     IGetErrorString(error));
            numberOfIntParametersToTry -= decrement;
            continue;
        }

        // Verify that the event does not return an error from the execution
        error = clWaitForEvents(1, &event);
        test_error(error, "clWaitForEvent failed");
        error = clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
                               sizeof(event_status), &event_status, NULL);
        test_error(
            error,
            "clGetEventInfo for CL_EVENT_COMMAND_EXECUTION_STATUS failed");
        clReleaseEvent(event);
        if (event_status < 0)
            test_error(error, "Kernel execution event returned error");

        if (gHasLong)
            error = clEnqueueReadBuffer(queue, mem, CL_TRUE, 0, sizeof(cl_long),
                                        &long_result, 0, NULL, NULL);
        else
            error = clEnqueueReadBuffer(queue, mem, CL_TRUE, 0, sizeof(cl_int),
                                        &int_result, 0, NULL, NULL);

        test_error(error, "clEnqueueReadBuffer failed")

            free(data);
        free(argumentLine);
        free(codeLines);
        free(programSrc);

        if (gHasLong)
        {
            if (long_result != expectedResult)
            {
                log_error("Expected result (%lld) does not equal actual result "
                          "(%lld).\n",
                          expectedResult, long_result);
                numberOfIntParametersToTry -= decrement;
                continue;
            }
            else
            {
                log_info("Results verified at %ld bytes of arguments.\n",
                         sizeof(cl_mem)
                             + numberOfIntParametersToTry * sizeof(cl_long));
                break;
            }
        }
        else
        {
            if (int_result != expectedResult)
            {
                log_error("Expected result (%lld) does not equal actual result "
                          "(%d).\n",
                          expectedResult, int_result);
                numberOfIntParametersToTry -= decrement;
                continue;
            }
            else
            {
                log_info("Results verified at %ld bytes of arguments.\n",
                         sizeof(cl_mem)
                             + numberOfIntParametersToTry * sizeof(cl_int));
                break;
            }
        }
    }

    if (numberOfIntParametersToTry == (long)numberExpected) return 0;
    return -1;
}

int test_min_max_samplers(cl_device_id deviceID, cl_context context,
                          cl_command_queue queue, int num_elements)
{
    int error;
    cl_uint maxSamplers, i;
    clProgramWrapper program;
    clKernelWrapper kernel;
    char *programSrc, samplerLine[1024];
    size_t maxParameterSize;
    cl_event event;
    cl_int event_status;
    cl_uint minRequiredSamplers = gIsEmbedded ? 8 : 16;


    PASSIVE_REQUIRE_IMAGE_SUPPORT(deviceID)

    /* Get the max value */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_SAMPLERS,
                            sizeof(maxSamplers), &maxSamplers, NULL);
    test_error(error, "Unable to get max sampler count from device");

    if (maxSamplers < minRequiredSamplers)
    {
        log_error(
            "ERROR: Reported max sampler count is less than required! (%d)\n",
            (int)maxSamplers);
        return -1;
    }

    log_info("Reported max %d samplers.\n", maxSamplers);

    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_PARAMETER_SIZE,
                            sizeof(maxParameterSize), &maxParameterSize, NULL);
    test_error(error, "Unable to get max parameter size from device");

    // Subtract the size of the result
    maxParameterSize -= 2 * sizeof(cl_mem);

    // Calculate the number we can use
    if (maxParameterSize / sizeof(cl_sampler) < maxSamplers)
    {
        log_info("WARNING: Max parameter size of %d bytes limits test to %d "
                 "max sampler arguments.\n",
                 (int)maxParameterSize,
                 (int)(maxParameterSize / sizeof(cl_sampler)));
        maxSamplers = (unsigned int)(maxParameterSize / sizeof(cl_sampler));
    }

    /* Create a kernel to test with */
    programSrc = (char *)malloc(
        (strlen(sample_sampler_kernel_pattern[1]) + 8) * (maxSamplers)
        + strlen(sample_sampler_kernel_pattern[0])
        + strlen(sample_sampler_kernel_pattern[2])
        + (strlen(sample_sampler_kernel_pattern[3]) + 8) * maxSamplers
        + strlen(sample_sampler_kernel_pattern[4]));
    strcpy(programSrc, sample_sampler_kernel_pattern[0]);
    for (i = 0; i < maxSamplers; i++)
    {
        sprintf(samplerLine, sample_sampler_kernel_pattern[1], i);
        strcat(programSrc, samplerLine);
    }
    strcat(programSrc, sample_sampler_kernel_pattern[2]);
    for (i = 0; i < maxSamplers; i++)
    {
        sprintf(samplerLine, sample_sampler_kernel_pattern[3], i);
        strcat(programSrc, samplerLine);
    }
    strcat(programSrc, sample_sampler_kernel_pattern[4]);


    error =
        create_single_kernel_helper(context, &program, &kernel, 1,
                                    (const char **)&programSrc, "sample_test");
    test_error(error, "Failed to create the program and kernel.");

    // We have to set up some fake parameters so it'll work
    clSamplerWrapper *samplers = new clSamplerWrapper[maxSamplers];

    cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };

    clMemWrapper image = create_image_2d(context, CL_MEM_READ_WRITE, &format,
                                         16, 16, 0, NULL, &error);
    test_error(error, "Unable to create a test image");

    clMemWrapper stream =
        clCreateBuffer(context, CL_MEM_READ_WRITE, 16, NULL, &error);
    test_error(error, "Unable to create test buffer");

    error = clSetKernelArg(kernel, 0, sizeof(cl_mem), &image);
    error |= clSetKernelArg(kernel, 1, sizeof(cl_mem), &stream);
    test_error(error, "Unable to set kernel arguments");
    for (i = 0; i < maxSamplers; i++)
    {
        samplers[i] = clCreateSampler(context, CL_FALSE, CL_ADDRESS_NONE,
                                      CL_FILTER_NEAREST, &error);
        test_error(error, "Unable to create sampler");

        error = clSetKernelArg(kernel, 2 + i, sizeof(cl_sampler), &samplers[i]);
        test_error(error, "Unable to set sampler argument");
    }

    size_t globalDim[3] = { 1, 1, 1 }, localDim[3] = { 1, 1, 1 };
    error = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, globalDim, localDim,
                                   0, NULL, &event);
    test_error(
        error,
        "clEnqueueNDRangeKernel failed with maximum number of samplers.");

    // Verify that the event does not return an error from the execution
    error = clWaitForEvents(1, &event);
    test_error(error, "clWaitForEvent failed");
    error = clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
                           sizeof(event_status), &event_status, NULL);
    test_error(error,
               "clGetEventInfo for CL_EVENT_COMMAND_EXECUTION_STATUS failed");
    clReleaseEvent(event);
    if (event_status < 0)
        test_error(error, "Kernel execution event returned error");

    free(programSrc);
    delete[] samplers;
    return 0;
}

int test_min_max_constant_buffer_size(cl_device_id deviceID, cl_context context,
                                      cl_command_queue queue, int num_elements)
{
    int error;
    clProgramWrapper program;
    clKernelWrapper kernel;
    size_t threads[1], localThreads[1];
    cl_int *constantData, *resultData;
    cl_ulong maxSize, stepSize, currentSize, maxGlobalSize, maxAllocSize;
    int i;
    cl_event event;
    cl_int event_status;
    MTdata d;

    /* Verify our test buffer won't be bigger than allowed */
    maxSize = get_device_info_max_constant_buffer_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);

    if ((0 == gIsEmbedded
         && (maxSize * MAX_DEVICE_MEMORY_SIZE_DIVISOR) < 64L * 1024L)
        || (maxSize * MAX_DEVICE_MEMORY_SIZE_DIVISOR) < 1L * 1024L)
    {
        log_error("ERROR: Reported max constant buffer size less than required "
                  "by OpenCL 1.0 (reported %d KB)\n",
                  (int)(maxSize / 1024L));
        return -1;
    }

    log_info("Reported max constant buffer size of %lld bytes.\n", maxSize);

    /* We have four buffers allocations */
    maxGlobalSize = get_device_info_global_mem_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR * 4);

    if (maxSize > maxGlobalSize) maxSize = maxGlobalSize;

    maxAllocSize = get_device_info_max_mem_alloc_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);

    if (maxSize > maxAllocSize) maxSize = maxAllocSize;

    /* Create a kernel to test with */
    if (create_single_kernel_helper(context, &program, &kernel, 1,
                                    sample_const_arg_kernel, "sample_test")
        != 0)
    {
        return -1;
    }

    /* Try the returned max size and decrease it until we get one that works. */
    stepSize = maxSize / 16;
    currentSize = maxSize;
    int allocPassed = 0;
    d = init_genrand(gRandomSeed);
    while (!allocPassed && currentSize >= maxSize / MAX_REDUCTION_FACTOR)
    {
        log_info("Attempting to allocate constant buffer of size %lld bytes\n",
                 maxSize);

        /* Create some I/O streams */
        size_t sizeToAllocate =
            ((size_t)currentSize / sizeof(cl_int)) * sizeof(cl_int);
        size_t numberOfInts = sizeToAllocate / sizeof(cl_int);
        constantData = (cl_int *)malloc(sizeToAllocate);
        if (constantData == NULL)
        {
            log_error("Failed to allocate memory for constantData!\n");
            free_mtdata(d);
            return EXIT_FAILURE;
        }

        for (i = 0; i < (int)(numberOfInts); i++)
            constantData[i] = (int)genrand_int32(d);

        clMemWrapper streams[3];
        streams[0] = clCreateBuffer(context, CL_MEM_COPY_HOST_PTR,
                                    sizeToAllocate, constantData, &error);
        test_error(error, "Creating test array failed");
        streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE, sizeToAllocate,
                                    NULL, &error);
        test_error(error, "Creating test array failed");


        /* Set the arguments */
        error = clSetKernelArg(kernel, 0, sizeof(streams[0]), &streams[0]);
        test_error(error, "Unable to set indexed kernel arguments");
        error = clSetKernelArg(kernel, 1, sizeof(streams[1]), &streams[1]);
        test_error(error, "Unable to set indexed kernel arguments");


        /* Test running the kernel and verifying it */
        threads[0] = numberOfInts;
        localThreads[0] = 1;
        log_info("Filling constant buffer with %d cl_ints (%d bytes).\n",
                 (int)threads[0], (int)(threads[0] * sizeof(cl_int)));

        error = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, threads,
                                       localThreads, 0, NULL, &event);
        /* If we failed due to a resource issue, reduce the size and try again.
         */
        if ((error == CL_OUT_OF_RESOURCES)
            || (error == CL_MEM_OBJECT_ALLOCATION_FAILURE)
            || (error == CL_OUT_OF_HOST_MEMORY))
        {
            log_info("Kernel enqueue failed at size %lld, trying at a reduced "
                     "size.\n",
                     currentSize);
            currentSize -= stepSize;
            free(constantData);
            continue;
        }
        test_error(
            error,
            "clEnqueueNDRangeKernel with maximum constant buffer size failed.");

        // Verify that the event does not return an error from the execution
        error = clWaitForEvents(1, &event);
        test_error(error, "clWaitForEvent failed");
        error = clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
                               sizeof(event_status), &event_status, NULL);
        test_error(
            error,
            "clGetEventInfo for CL_EVENT_COMMAND_EXECUTION_STATUS failed");
        clReleaseEvent(event);
        if (event_status < 0)
        {
            if ((event_status == CL_OUT_OF_RESOURCES)
                || (event_status == CL_MEM_OBJECT_ALLOCATION_FAILURE)
                || (event_status == CL_OUT_OF_HOST_MEMORY))
            {
                log_info("Kernel event indicates failure at size %lld, trying "
                         "at a reduced size.\n",
                         currentSize);
                currentSize -= stepSize;
                free(constantData);
                continue;
            }
            else
            {
                test_error(error, "Kernel execution event returned error");
            }
        }

        /* Otherwise we did not fail due to resource issues. */
        allocPassed = 1;

        resultData = (cl_int *)malloc(sizeToAllocate);
        if (resultData == NULL)
        {
            log_error("Failed to allocate memory for resultData!\n");
            free(constantData);
            free_mtdata(d);
            return EXIT_FAILURE;
        }

        error = clEnqueueReadBuffer(queue, streams[1], CL_TRUE, 0,
                                    sizeToAllocate, resultData, 0, NULL, NULL);
        test_error(error, "clEnqueueReadBuffer failed");

        for (i = 0; i < (int)(numberOfInts); i++)
            if (constantData[i] != resultData[i])
            {
                log_error("Data failed to verify: constantData[%d]=%d != "
                          "resultData[%d]=%d\n",
                          i, constantData[i], i, resultData[i]);
                free(constantData);
                free(resultData);
                free_mtdata(d);
                d = NULL;
                return -1;
            }

        free(constantData);
        free(resultData);
    }
    free_mtdata(d);
    d = NULL;

    if (allocPassed)
    {
        if (currentSize < maxSize / MAX_REDUCTION_FACTOR)
        {
            log_error("Failed to allocate at least 1/8 of the reported "
                      "constant size.\n");
            return -1;
        }
        else if (currentSize != maxSize)
        {
            log_info("Passed at reduced size. (%lld of %lld bytes)\n",
                     currentSize, maxSize);
            return 0;
        }
        return 0;
    }
    return -1;
}

int test_min_max_constant_args(cl_device_id deviceID, cl_context context,
                               cl_command_queue queue, int num_elements)
{
    int error;
    clProgramWrapper program;
    clKernelWrapper kernel;
    clMemWrapper *streams;
    size_t threads[1], localThreads[1];
    cl_uint i, maxArgs;
    cl_ulong maxSize;
    cl_ulong maxParameterSize;
    size_t individualBufferSize;
    char *programSrc, *constArgs, *str2;
    char str[512];
    const char *ptr;
    cl_event event;
    cl_int event_status;


    /* Verify our test buffer won't be bigger than allowed */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_CONSTANT_ARGS,
                            sizeof(maxArgs), &maxArgs, 0);
    test_error(error, "Unable to get max constant arg count");

    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_PARAMETER_SIZE,
                            sizeof(maxParameterSize), &maxParameterSize, NULL);
    test_error(error, "Unable to get max parameter size from device");

    // Subtract the size of the result
    maxParameterSize -= sizeof(cl_mem);

    // Calculate the number we can use
    if (maxParameterSize / sizeof(cl_mem) < maxArgs)
    {
        log_info("WARNING: Max parameter size of %d bytes limits test to %d "
                 "max image arguments.\n",
                 (int)maxParameterSize,
                 (int)(maxParameterSize / sizeof(cl_mem)));
        maxArgs = (unsigned int)(maxParameterSize / sizeof(cl_mem));
    }


    if (maxArgs < (gIsEmbedded ? 4 : 8))
    {
        log_error("ERROR: Reported max constant arg count less than required "
                  "by OpenCL 1.0 (reported %d)\n",
                  (int)maxArgs);
        return -1;
    }

    maxSize = get_device_info_max_constant_buffer_size(
        deviceID, MAX_DEVICE_MEMORY_SIZE_DIVISOR);
    individualBufferSize = ((int)maxSize / 2) / maxArgs;

    log_info(
        "Reported max constant arg count of %u and max constant buffer "
        "size of %llu. Test will attempt to allocate half of that, or %llu "
        "buffers of size %zu.\n",
        maxArgs, maxSize, maxArgs, individualBufferSize);

    str2 = (char *)malloc(sizeof(char) * 32 * (maxArgs + 2));
    constArgs = (char *)malloc(sizeof(char) * 32 * (maxArgs + 2));
    programSrc = (char *)malloc(sizeof(char) * 32 * 2 * (maxArgs + 2) + 1024);

    /* Create a test program */
    constArgs[0] = 0;
    str2[0] = 0;
    for (i = 0; i < maxArgs - 1; i++)
    {
        sprintf(str, ", __constant int *src%d", (int)(i + 2));
        strcat(constArgs, str);
        sprintf(str2 + strlen(str2), "\tdst[tid] += src%d[tid];\n",
                (int)(i + 2));
        if (strlen(str2) > (sizeof(char) * 32 * (maxArgs + 2) - 32)
            || strlen(constArgs) > (sizeof(char) * 32 * (maxArgs + 2) - 32))
        {
            log_info("Limiting number of arguments tested to %d due to test "
                     "program allocation size.\n",
                     i);
            break;
        }
    }
    sprintf(programSrc, sample_const_max_arg_kernel_pattern, constArgs, str2);

    /* Create a kernel to test with */
    ptr = programSrc;
    if (create_single_kernel_helper(context, &program, &kernel, 1, &ptr,
                                    "sample_test")
        != 0)
    {
        return -1;
    }

    /* Create some I/O streams */
    streams = new clMemWrapper[maxArgs + 1];
    for (i = 0; i < maxArgs + 1; i++)
    {
        streams[i] = clCreateBuffer(context, CL_MEM_READ_WRITE,
                                    individualBufferSize, NULL, &error);
        test_error(error, "Creating test array failed");
    }

    /* Set the arguments */
    for (i = 0; i < maxArgs + 1; i++)
    {
        error = clSetKernelArg(kernel, i, sizeof(streams[i]), &streams[i]);
        test_error(error, "Unable to set kernel argument");
    }

    /* Test running the kernel and verifying it */
    threads[0] = (size_t)10;
    while (threads[0] * sizeof(cl_int) > individualBufferSize) threads[0]--;

    error = get_max_common_work_group_size(context, kernel, threads[0],
                                           &localThreads[0]);
    test_error(error, "Unable to get work group size to use");

    error = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, threads,
                                   localThreads, 0, NULL, &event);
    test_error(error, "clEnqueueNDRangeKernel failed");

    // Verify that the event does not return an error from the execution
    error = clWaitForEvents(1, &event);
    test_error(error, "clWaitForEvent failed");
    error = clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
                           sizeof(event_status), &event_status, NULL);
    test_error(error,
               "clGetEventInfo for CL_EVENT_COMMAND_EXECUTION_STATUS failed");
    clReleaseEvent(event);
    if (event_status < 0)
        test_error(error, "Kernel execution event returned error");

    error = clFinish(queue);
    test_error(error, "clFinish failed.");

    delete[] streams;
    free(str2);
    free(constArgs);
    free(programSrc);
    return 0;
}

int test_min_max_compute_units(cl_device_id deviceID, cl_context context,
                               cl_command_queue queue, int num_elements)
{
    int error;
    cl_uint value;


    error = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_COMPUTE_UNITS,
                            sizeof(value), &value, 0);
    test_error(error, "Unable to get compute unit count");

    if (value < 1)
    {
        log_error("ERROR: Reported compute unit count less than required by "
                  "OpenCL 1.0 (reported %d)\n",
                  (int)value);
        return -1;
    }

    log_info("Reported %d max compute units.\n", value);

    return 0;
}

int test_min_max_address_bits(cl_device_id deviceID, cl_context context,
                              cl_command_queue queue, int num_elements)
{
    int error;
    cl_uint value;


    error = clGetDeviceInfo(deviceID, CL_DEVICE_ADDRESS_BITS, sizeof(value),
                            &value, 0);
    test_error(error, "Unable to get address bit count");

    if (value != 32 && value != 64)
    {
        log_error("ERROR: Reported address bit count not valid by OpenCL 1.0 "
                  "(reported %d)\n",
                  (int)value);
        return -1;
    }

    log_info("Reported %d device address bits.\n", value);

    return 0;
}

int test_min_max_single_fp_config(cl_device_id deviceID, cl_context context,
                                  cl_command_queue queue, int num_elements)
{
    int error;
    cl_device_fp_config value;
    char profile[128] = "";

    error = clGetDeviceInfo(deviceID, CL_DEVICE_SINGLE_FP_CONFIG, sizeof(value),
                            &value, 0);
    test_error(error, "Unable to get device single fp config");

    // Check to see if we are an embedded profile device
    if ((error = clGetDeviceInfo(deviceID, CL_DEVICE_PROFILE, sizeof(profile),
                                 profile, NULL)))
    {
        log_error("FAILURE: Unable to get CL_DEVICE_PROFILE: error %d\n",
                  error);
        return error;
    }

    if (0 == strcmp(profile, "EMBEDDED_PROFILE"))
    { // embedded device

        if (0 == (value & (CL_FP_ROUND_TO_NEAREST | CL_FP_ROUND_TO_ZERO)))
        {
            log_error("FAILURE: embedded device supports neither "
                      "CL_FP_ROUND_TO_NEAREST or CL_FP_ROUND_TO_ZERO\n");
            return -1;
        }
    }
    else
    { // Full profile
        if ((value & (CL_FP_ROUND_TO_NEAREST | CL_FP_INF_NAN))
            != (CL_FP_ROUND_TO_NEAREST | CL_FP_INF_NAN))
        {
            log_error("ERROR: Reported single fp config doesn't meet minimum "
                      "set by OpenCL 1.0 (reported 0x%08x)\n",
                      (int)value);
            return -1;
        }
    }
    return 0;
}

int test_min_max_double_fp_config(cl_device_id deviceID, cl_context context,
                                  cl_command_queue queue, int num_elements)
{
    int error;
    cl_device_fp_config value;

    error = clGetDeviceInfo(deviceID, CL_DEVICE_DOUBLE_FP_CONFIG, sizeof(value),
                            &value, 0);
    test_error(error, "Unable to get device double fp config");

    if (value == 0) return 0;

    if ((value
         & (CL_FP_FMA | CL_FP_ROUND_TO_NEAREST | CL_FP_ROUND_TO_ZERO
            | CL_FP_ROUND_TO_INF | CL_FP_INF_NAN | CL_FP_DENORM))
        != (CL_FP_FMA | CL_FP_ROUND_TO_NEAREST | CL_FP_ROUND_TO_ZERO
            | CL_FP_ROUND_TO_INF | CL_FP_INF_NAN | CL_FP_DENORM))
    {
        log_error("ERROR: Reported double fp config doesn't meet minimum set "
                  "by OpenCL 1.0 (reported 0x%08x)\n",
                  (int)value);
        return -1;
    }
    return 0;
}

int test_min_max_local_mem_size(cl_device_id deviceID, cl_context context,
                                cl_command_queue queue, int num_elements)
{
    int error;
    clProgramWrapper program;
    clKernelWrapper kernel;
    clMemWrapper streams[3];
    size_t threads[1], localThreads[1];
    cl_int *localData, *resultData;
    cl_ulong maxSize, kernelLocalUsage, min_max_local_mem_size;
    Version device_version;
    int i;
    int err = 0;
    MTdata d;

    /* Verify our test buffer won't be bigger than allowed */
    error = clGetDeviceInfo(deviceID, CL_DEVICE_LOCAL_MEM_SIZE, sizeof(maxSize),
                            &maxSize, 0);
    test_error(error, "Unable to get max local buffer size");

    try
    {
        device_version = get_device_cl_version(deviceID);
    } catch (const std::runtime_error &e)
    {
        log_error("%s", e.what());
        return -1;
    }

    if (!gIsEmbedded)
    {
        if (device_version == Version(1, 0))
            min_max_local_mem_size = 16L * 1024L;
        else
            min_max_local_mem_size = 32L * 1024L;
    }
    else
    {
        min_max_local_mem_size = 1L * 1024L;
    }

    if (maxSize < min_max_local_mem_size)
    {
        const std::string version_as_string = device_version.to_string();
        log_error("ERROR: Reported local mem size less than required by OpenCL "
                  "%s (reported %d KB)\n",
                  version_as_string.c_str(), (int)(maxSize / 1024L));
        return -1;
    }

    log_info("Reported max local buffer size for device: %lld bytes.\n",
             maxSize);

    /* Create a kernel to test with */
    if (create_single_kernel_helper(context, &program, &kernel, 1,
                                    sample_local_arg_kernel, "sample_test")
        != 0)
    {
        return -1;
    }

    error = clGetKernelWorkGroupInfo(kernel, deviceID, CL_KERNEL_LOCAL_MEM_SIZE,
                                     sizeof(kernelLocalUsage),
                                     &kernelLocalUsage, NULL);
    test_error(error,
               "clGetKernelWorkGroupInfo for CL_KERNEL_LOCAL_MEM_SIZE failed");

    log_info("Reported local buffer usage for kernel "
             "(CL_KERNEL_LOCAL_MEM_SIZE): %lld bytes.\n",
             kernelLocalUsage);

    /* Create some I/O streams */
    size_t sizeToAllocate =
        ((size_t)(maxSize - kernelLocalUsage) / sizeof(cl_int))
        * sizeof(cl_int);
    size_t numberOfInts = sizeToAllocate / sizeof(cl_int);

    log_info("Attempting to use %zu bytes of local memory.\n", sizeToAllocate);

    localData = (cl_int *)malloc(sizeToAllocate);
    d = init_genrand(gRandomSeed);
    for (i = 0; i < (int)(numberOfInts); i++)
        localData[i] = (int)genrand_int32(d);
    free_mtdata(d);
    d = NULL;

    streams[0] = clCreateBuffer(context, CL_MEM_COPY_HOST_PTR, sizeToAllocate,
                                localData, &error);
    test_error(error, "Creating test array failed");
    streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE, sizeToAllocate,
                                NULL, &error);
    test_error(error, "Creating test array failed");


    /* Set the arguments */
    error = clSetKernelArg(kernel, 0, sizeToAllocate, NULL);
    test_error(error, "Unable to set indexed kernel arguments");
    error = clSetKernelArg(kernel, 1, sizeof(streams[0]), &streams[0]);
    test_error(error, "Unable to set indexed kernel arguments");
    error = clSetKernelArg(kernel, 2, sizeof(streams[1]), &streams[1]);
    test_error(error, "Unable to set indexed kernel arguments");


    /* Test running the kernel and verifying it */
    threads[0] = numberOfInts;
    localThreads[0] = 1;
    log_info("Creating local buffer with %zu cl_ints (%zu bytes).\n",
             numberOfInts, sizeToAllocate);

    cl_event evt;
    cl_int evt_err;
    error = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, threads,
                                   localThreads, 0, NULL, &evt);
    test_error(error, "clEnqueueNDRangeKernel failed");

    error = clFinish(queue);
    test_error(error, "clFinish failed");

    error = clGetEventInfo(evt, CL_EVENT_COMMAND_EXECUTION_STATUS,
                           sizeof evt_err, &evt_err, NULL);
    test_error(error, "clGetEventInfo with maximum local buffer size failed.");

    if (evt_err != CL_COMPLETE)
    {
        print_error(evt_err, "Kernel event returned error");
        clReleaseEvent(evt);
        return -1;
    }

    resultData = (cl_int *)malloc(sizeToAllocate);

    error = clEnqueueReadBuffer(queue, streams[1], CL_TRUE, 0, sizeToAllocate,
                                resultData, 0, NULL, NULL);
    test_error(error, "clEnqueueReadBuffer failed");

    for (i = 0; i < (int)(numberOfInts); i++)
        if (localData[i] != resultData[i])
        {
            clReleaseEvent(evt);
            free(localData);
            free(resultData);
            log_error("Results failed to verify.\n");
            return -1;
        }
    clReleaseEvent(evt);
    free(localData);
    free(resultData);

    return err;
}

int test_min_max_kernel_preferred_work_group_size_multiple(
    cl_device_id deviceID, cl_context context, cl_command_queue queue,
    int num_elements)
{
    int err;
    clProgramWrapper program;
    clKernelWrapper kernel;

    size_t max_local_workgroup_size[3];
    size_t max_workgroup_size = 0, preferred_workgroup_size = 0;

    err = create_single_kernel_helper(context, &program, &kernel, 1,
                                      sample_local_arg_kernel, "sample_test");
    test_error(err, "Failed to build kernel/program.");

    err = clGetKernelWorkGroupInfo(kernel, deviceID, CL_KERNEL_WORK_GROUP_SIZE,
                                   sizeof(max_workgroup_size),
                                   &max_workgroup_size, NULL);
    test_error(err, "clGetKernelWorkgroupInfo failed.");

    err = clGetKernelWorkGroupInfo(
        kernel, deviceID, CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE,
        sizeof(preferred_workgroup_size), &preferred_workgroup_size, NULL);
    test_error(err, "clGetKernelWorkgroupInfo failed.");

    err = clGetDeviceInfo(deviceID, CL_DEVICE_MAX_WORK_ITEM_SIZES,
                          sizeof(max_local_workgroup_size),
                          max_local_workgroup_size, NULL);
    test_error(err, "clGetDeviceInfo failed for CL_DEVICE_MAX_WORK_ITEM_SIZES");

    // Since the preferred size is only a performance hint, we can only really
    // check that we get a sane value back
    log_info("size: %ld     preferred: %ld      max: %ld\n", max_workgroup_size,
             preferred_workgroup_size, max_local_workgroup_size[0]);

    if (preferred_workgroup_size > max_workgroup_size)
    {
        log_error("ERROR: Reported preferred workgroup multiple larger than "
                  "max workgroup size (preferred %ld, max %ld)\n",
                  preferred_workgroup_size, max_workgroup_size);
        return -1;
    }

    return 0;
}

int test_min_max_execution_capabilities(cl_device_id deviceID,
                                        cl_context context,
                                        cl_command_queue queue,
                                        int num_elements)
{
    int error;
    cl_device_exec_capabilities value;


    error = clGetDeviceInfo(deviceID, CL_DEVICE_EXECUTION_CAPABILITIES,
                            sizeof(value), &value, 0);
    test_error(error, "Unable to get execution capabilities");

    if ((value & CL_EXEC_KERNEL) != CL_EXEC_KERNEL)
    {
        log_error("ERROR: Reported execution capabilities less than required "
                  "by OpenCL 1.0 (reported 0x%08x)\n",
                  (int)value);
        return -1;
    }
    return 0;
}

int test_min_max_queue_properties(cl_device_id deviceID, cl_context context,
                                  cl_command_queue queue, int num_elements)
{
    int error;
    cl_command_queue_properties value;


    error = clGetDeviceInfo(deviceID, CL_DEVICE_QUEUE_ON_HOST_PROPERTIES,
                            sizeof(value), &value, 0);
    test_error(error, "Unable to get queue properties");

    if ((value & CL_QUEUE_PROFILING_ENABLE) != CL_QUEUE_PROFILING_ENABLE)
    {
        log_error("ERROR: Reported queue properties less than required by "
                  "OpenCL 1.0 (reported 0x%08x)\n",
                  (int)value);
        return -1;
    }
    return 0;
}

int test_min_max_device_version(cl_device_id deviceID, cl_context context,
                                cl_command_queue queue, int num_elements)
{
    // Query for the device version.
    Version device_cl_version = get_device_cl_version(deviceID);
    log_info("Returned version %s.\n", device_cl_version.to_string().c_str());

    // Make sure 2.x devices support required extensions for 2.x
    // note: these extensions are **not** required for devices
    // supporting OpenCL-3.0
    const char *requiredExtensions2x[] = {
        "cl_khr_3d_image_writes",
        "cl_khr_image2d_from_buffer",
        "cl_khr_depth_images",
    };

    // Make sure 1.1 devices support required extensions for 1.1
    const char *requiredExtensions11[] = {
        "cl_khr_global_int32_base_atomics",
        "cl_khr_global_int32_extended_atomics",
        "cl_khr_local_int32_base_atomics",
        "cl_khr_local_int32_extended_atomics",
        "cl_khr_byte_addressable_store",
    };


    if (device_cl_version >= Version(1, 1))
    {
        log_info("Checking for required extensions for OpenCL 1.1 and later "
                 "devices...\n");
        for (size_t i = 0; i < ARRAY_SIZE(requiredExtensions11); i++)
        {
            if (!is_extension_available(deviceID, requiredExtensions11[i]))
            {
                log_error("ERROR: Required extension for 1.1 and greater "
                          "devices is not in extension string: %s\n",
                          requiredExtensions11[i]);
                return -1;
            }
            else
                log_info("\t%s\n", requiredExtensions11[i]);
        }

        if (device_cl_version >= Version(1, 2))
        {
            log_info("Checking for required extensions for OpenCL 1.2 and "
                     "later devices...\n");
            // The only required extension for an OpenCL-1.2 device is
            // cl_khr_fp64 and it is only required if double precision is
            // supported.
            cl_device_fp_config doubles_supported;
            cl_int error = clGetDeviceInfo(deviceID, CL_DEVICE_DOUBLE_FP_CONFIG,
                                           sizeof(doubles_supported),
                                           &doubles_supported, 0);
            test_error(error, "Unable to get device double fp config");
            if (doubles_supported)
            {
                if (!is_extension_available(deviceID, "cl_khr_fp64"))
                {
                    log_error(
                        "ERROR: Required extension for 1.2 and greater devices "
                        "is not in extension string: cl_khr_fp64\n");
                }
                else
                {
                    log_info("\t%s\n", "cl_khr_fp64");
                }
            }
        }

        if (device_cl_version >= Version(2, 0)
            && device_cl_version < Version(3, 0))
        {
            log_info("Checking for required extensions for OpenCL 2.0, 2.1 and "
                     "2.2 devices...\n");
            for (size_t i = 0; i < ARRAY_SIZE(requiredExtensions2x); i++)
            {
                if (!is_extension_available(deviceID, requiredExtensions2x[i]))
                {
                    log_error("ERROR: Required extension for 2.0, 2.1 and 2.2 "
                              "devices is not in extension string: %s\n",
                              requiredExtensions2x[i]);
                    return -1;
                }
                else
                {
                    log_info("\t%s\n", requiredExtensions2x[i]);
                }
            }
        }
    }
    else
        log_info("WARNING: skipping required extension test -- OpenCL 1.0 "
                 "device.\n");
    return 0;
}

int test_min_max_language_version(cl_device_id deviceID, cl_context context,
                                  cl_command_queue queue, int num_elements)
{
    cl_int error;
    cl_char buffer[4098];
    size_t length;

    // Device version should fit the regex "OpenCL [0-9]+\.[0-9]+ *.*"
    error = clGetDeviceInfo(deviceID, CL_DEVICE_OPENCL_C_VERSION,
                            sizeof(buffer), buffer, &length);
    test_error(error, "Unable to get device opencl c version string");
    if (memcmp(buffer, "OpenCL C ", strlen("OpenCL C ")) != 0)
    {
        log_error("ERROR: Initial part of device language version string does "
                  "not match required format! (returned: \"%s\")\n",
                  (char *)buffer);
        return -1;
    }

    log_info("Returned version \"%s\".\n", buffer);

    char *p1 = (char *)buffer + strlen("OpenCL C ");
    while (*p1 == ' ') p1++;
    char *p2 = p1;
    if (!isdigit(*p2))
    {
        log_error("ERROR: Major revision number must follow space behind "
                  "OpenCL C! (returned %s)\n",
                  (char *)buffer);
        return -1;
    }
    while (isdigit(*p2)) p2++;
    if (*p2 != '.')
    {
        log_error("ERROR: Version number must contain a decimal point! "
                  "(returned: %s)\n",
                  (char *)buffer);
        return -1;
    }
    char *p3 = p2 + 1;
    if (!isdigit(*p3))
    {
        log_error("ERROR: Minor revision number is missing or does not abut "
                  "the decimal point! (returned %s)\n",
                  (char *)buffer);
        return -1;
    }
    while (isdigit(*p3)) p3++;
    if (*p3 != ' ')
    {
        log_error("ERROR: A space must appear after the minor version! "
                  "(returned: %s)\n",
                  (char *)buffer);
        return -1;
    }
    *p2 = ' '; // Put in a space for atoi below.
    p2++;

    int major = atoi(p1);
    int minor = atoi(p2);
    int minor_revision = 2;

    if (major * 10 + minor < 10 + minor_revision)
    {
        // If the language version did not match, check to see if
        // OPENCL_1_0_DEVICE is set.
        if (getenv("OPENCL_1_0_DEVICE"))
        {
            log_info("WARNING: This test was run with OPENCL_1_0_DEVICE "
                     "defined!  This is not a OpenCL 1.1 or OpenCL 1.2 "
                     "compatible device!!!\n");
        }
        else if (getenv("OPENCL_1_1_DEVICE"))
        {
            log_info(
                "WARNING: This test was run with OPENCL_1_1_DEVICE defined!  "
                "This is not a OpenCL 1.2 compatible device!!!\n");
        }
        else
        {
            log_error("ERROR: OpenCL device language version returned is less "
                      "than 1.%d! (Returned: %s)\n",
                      minor_revision, (char *)buffer);
            return -1;
        }
    }

    // Sanity checks on the returned values
    if (length != (strlen((char *)buffer) + 1))
    {
        log_error("ERROR: Returned length of version string does not match "
                  "actual length (actual: %d, returned: %d)\n",
                  (int)strlen((char *)buffer), (int)length);
        return -1;
    }

    return 0;
}