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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 "harness/compat.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "procs.h"
static const char *r_uint8_kernel_code =
"__kernel void test_r_uint8(read_only image2d_t srcimg, __global unsigned char *dst, sampler_t sampler)\n"
"{\n"
" int tid_x = get_global_id(0);\n"
" int tid_y = get_global_id(1);\n"
" int indx = tid_y * get_image_width(srcimg) + tid_x;\n"
" uint4 color;\n"
"\n"
" color = read_imageui(srcimg, sampler, (int2)(tid_x, tid_y));\n"
" dst[indx] = (unsigned char)(color.x);\n"
"\n"
"}\n";
static unsigned char *
generate_8bit_image(int w, int h, MTdata d)
{
unsigned char *ptr = (unsigned char*)malloc(w * h * sizeof(unsigned char));
int i;
for (i=0; i<w*h; i++)
ptr[i] = (unsigned char)genrand_int32(d);
return ptr;
}
static int
verify_8bit_image(unsigned char *image, unsigned char *outptr, int w, int h)
{
int i;
for (i=0; i<w*h; i++)
{
if (outptr[i] != image[i])
{
log_error("READ_IMAGE_R_UNSIGNED_INT8 test failed\n");
return -1;
}
}
log_info("READ_IMAGE_R_UNSIGNED_INT8 test passed\n");
return 0;
}
int
test_image_r8(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
{
cl_mem streams[2];
cl_image_format img_format;
cl_uchar *input_ptr, *output_ptr;
cl_program program;
cl_kernel kernel;
size_t threads[3];
int img_width = 512;
int img_height = 512;
int err;
MTdata d;
PASSIVE_REQUIRE_IMAGE_SUPPORT( device )
img_format.image_channel_order = CL_R;
img_format.image_channel_data_type = CL_UNSIGNED_INT8;
// early out if this image type is not supported
if (!is_image_format_supported(context, CL_MEM_READ_ONLY,
CL_MEM_OBJECT_IMAGE2D, &img_format))
{
log_info("WARNING: Image type not supported; skipping test.\n");
return 0;
}
d = init_genrand( gRandomSeed );
input_ptr = generate_8bit_image(img_width, img_height, d);
free_mtdata(d); d = NULL;
output_ptr = (cl_uchar*)malloc(sizeof(cl_uchar) * img_width * img_height);
streams[0] = create_image_2d(context, CL_MEM_READ_ONLY, &img_format,
img_width, img_height, 0, NULL, NULL);
if (!streams[0])
{
log_error("create_image_2d failed\n");
return -1;
}
streams[1] =
clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_uchar) * img_width * img_height, NULL, NULL);
if (!streams[1])
{
log_error("clCreateBuffer failed\n");
return -1;
}
size_t origin[3] = {0,0,0}, region[3]={img_width, img_height, 1};
err = clEnqueueWriteImage(queue, streams[0], CL_TRUE,
origin, region, 0, 0,
input_ptr,
0, NULL, NULL);
if (err != CL_SUCCESS)
{
log_error("clWriteImage failed: %d\n", err);
return -1;
}
err = create_single_kernel_helper(context, &program, &kernel, 1, &r_uint8_kernel_code, "test_r_uint8" );
if (err) {
log_error("Failed to create kernel and program: %d\n", err);
return -1;
}
cl_sampler sampler = clCreateSampler(context, CL_FALSE, CL_ADDRESS_CLAMP_TO_EDGE, CL_FILTER_NEAREST, &err);
test_error(err, "clCreateSampler failed");
err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0]);
err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1]);
err |= clSetKernelArg(kernel, 2, sizeof sampler, &sampler);
if (err != CL_SUCCESS)
{
log_error("clSetKernelArgs failed: %d\n", err);
return -1;
}
threads[0] = (size_t)img_width;
threads[1] = (size_t)img_height;
err = clEnqueueNDRangeKernel( queue, kernel, 2, NULL, threads, NULL, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueNDRangeKernel failed\n");
return -1;
}
err = clEnqueueReadBuffer( queue, streams[1], CL_TRUE, 0, sizeof(cl_uchar)*img_width*img_height, (void *)output_ptr, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueReadBuffer failed\n");
return -1;
}
err = verify_8bit_image(input_ptr, output_ptr, img_width, img_height);
// cleanup
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[1]);
clReleaseKernel(kernel);
clReleaseProgram(program);
clReleaseSampler(sampler);
free(input_ptr);
free(output_ptr);
return err;
}
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