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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 *rgbaFFFF_write_kernel_code =
"__kernel void test_rgbaFFFF_write(__global float *src, write_only image2d_t dstimg)\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(dstimg) + tid_x;\n"
" float4 color;\n"
"\n"
" indx *= 4;\n"
" color = (float4)(src[indx+0], src[indx+1], src[indx+2], src[indx+3]);\n"
" write_imagef(dstimg, (int2)(tid_x, tid_y), color);\n"
"\n"
"}\n";
static float *
generate_float_image(int w, int h, MTdata d)
{
float *ptr = (float*)malloc(w * h * 4 * sizeof(float));
int i;
for (i=0; i<w*h*4; i++)
ptr[i] = get_random_float(-0x40000000, 0x40000000, d);
return ptr;
}
static int
verify_float_image(const char *string, float *image, float *outptr, int w, int h)
{
int i;
for (i=0; i<w*h*4; i++)
{
if (outptr[i] != image[i])
{
log_error("%s failed\n", string);
return -1;
}
}
log_info("%s passed\n", string);
return 0;
}
int test_writeimage_fp32(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
{
cl_mem streams[3];
cl_program program;
cl_kernel kernel[2];
cl_image_format img_format;
float *input_ptr, *output_ptr;
size_t threads[2];
int img_width = 512;
int img_height = 512;
int i, err, any_err = 0;
size_t origin[3] = {0, 0, 0};
size_t region[3] = {img_width, img_height, 1};
size_t length = img_width * img_height * 4 * sizeof(float);
MTdata d;
PASSIVE_REQUIRE_IMAGE_SUPPORT( device )
d = init_genrand( gRandomSeed );
input_ptr = generate_float_image(img_width, img_height, d);
free_mtdata(d); d = NULL;
output_ptr = (float*)malloc(length);
img_format.image_channel_order = CL_RGBA;
img_format.image_channel_data_type = CL_FLOAT;
streams[0] = create_image_2d(context, CL_MEM_READ_WRITE, &img_format, img_width, img_height, 0, NULL, NULL);
if (!streams[0])
{
log_error("create_image_2d failed\n");
return -1;
}
streams[1] = create_image_2d(context, CL_MEM_WRITE_ONLY, &img_format, img_width, img_height, 0, NULL, NULL);
if (!streams[1])
{
log_error("create_image_2d failed\n");
return -1;
}
streams[2] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, NULL);
if (!streams[2])
{
log_error("clCreateArray failed\n");
return -1;
}
err = clEnqueueWriteBuffer(queue, streams[2], CL_TRUE, 0, length, input_ptr, 0, NULL, NULL);
if (err != CL_SUCCESS)
{
log_error("clEnqueueWriteBuffer failed\n");
return -1;
}
err = create_single_kernel_helper(context, &program, &kernel[0], 1, &rgbaFFFF_write_kernel_code, "test_rgbaFFFF_write" );
if (err)
return -1;
kernel[1] = clCreateKernel(program, "test_rgbaFFFF_write", NULL);
if (!kernel[1])
{
log_error("clCreateKernel failed\n");
return -1;
}
err = clSetKernelArg(kernel[0], 0, sizeof streams[2], &streams[2]);
err |= clSetKernelArg(kernel[0], 1, sizeof streams[0], &streams[0]);
if (err != CL_SUCCESS)
{
log_error("clSetKernelArgs failed\n");
return -1;
}
err = clSetKernelArg(kernel[1], 0, sizeof streams[2], &streams[2]);
err |= clSetKernelArg(kernel[1], 1, sizeof streams[1], &streams[1]);
if (err != CL_SUCCESS)
{
log_error("clSetKernelArgs failed\n");
return -1;
}
threads[0] = (unsigned int)img_width;
threads[1] = (unsigned int)img_height;
for (i=0; i<2; i++)
{
err = clEnqueueNDRangeKernel(queue, kernel[i], 2, NULL, threads, NULL, 0, NULL, NULL);
if (err != CL_SUCCESS)
{
log_error("clExecuteKernel failed\n");
return -1;
}
err = clEnqueueReadImage(queue, streams[i], CL_TRUE, origin, region, 0, 0, output_ptr, 0, NULL, NULL);
if (err != CL_SUCCESS)
{
log_error("clReadImage failed\n");
return -1;
}
err = verify_float_image((i == 0) ? "WRITE_IMAGE_RGBA_FLOAT test with memflags = CL_MEM_READ_WRITE" :
"WRITE_IMAGE_RGBA_FLOAT test with memflags = CL_MEM_WRITE_ONLY",
input_ptr, output_ptr, img_width, img_height);
any_err |= err;
}
// cleanup
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[1]);
clReleaseMemObject(streams[2]);
clReleaseKernel(kernel[0]);
clReleaseKernel(kernel[1]);
clReleaseProgram(program);
free(input_ptr);
free(output_ptr);
return any_err;
}
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