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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 "harness/imageHelpers.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "procs.h"
static const char *bgra8888_kernel_code =
"\n"
"__kernel void test_bgra8888(read_only image3d_t srcimg, __global float4 *dst, sampler_t sampler)\n"
"{\n"
" int tid_x = get_global_id(0);\n"
" int tid_y = get_global_id(1);\n"
" int tid_z = get_global_id(2);\n"
" int indx = (tid_z * get_image_height(srcimg) + tid_y) * get_image_width(srcimg) + tid_x;\n"
" float4 color;\n"
"\n"
" color = read_imagef(srcimg, sampler, (int4)(tid_x, tid_y, tid_z, 0));\n"
" dst[indx].x = color.z;\n"
" dst[indx].y = color.y;\n"
" dst[indx].z = color.x;\n"
" dst[indx].w = color.w;\n"
"\n"
"}\n";
static const char *rgba8888_kernel_code =
"\n"
"__kernel void test_rgba8888(read_only image3d_t srcimg, __global float4 *dst, sampler_t sampler)\n"
"{\n"
" int tid_x = get_global_id(0);\n"
" int tid_y = get_global_id(1);\n"
" int tid_z = get_global_id(2);\n"
" int indx = (tid_z * get_image_height(srcimg) + tid_y) * get_image_width(srcimg) + tid_x;\n"
" float4 color;\n"
"\n"
" color = read_imagef(srcimg, sampler, (int4)(tid_x, tid_y, tid_z, 0));\n"
" //indx *= 4;\n"
" dst[indx].x = color.x;\n"
" dst[indx].y = color.y;\n"
" dst[indx].z = color.z;\n"
" dst[indx].w = color.w;\n"
"\n"
"}\n";
static unsigned char *
generate_3d_image8(int w, int h, int d, MTdata data)
{
unsigned char *ptr = (unsigned char*)malloc(w * h * d * 4);
int i;
for (i=0; i<w*h*d*4; i++)
ptr[i] = (unsigned char)genrand_int32(data);
return ptr;
}
static int
verify_3d_image8(double *image, float *outptr, int w, int h, int d)
{
int i;
for (i=0; i<w*h*d*4; i++)
{
if (outptr[i] != (float)image[i])
{
float ulps = Ulp_Error( outptr[i], image[i]);
if(! (fabsf(ulps) < 1.5f) )
{
log_error( "ERROR: Data sample %d does not validate! Expected (%a), got (%a), ulp %f\n",
(int)i, image[i], outptr[ i ], ulps );
return -1;
}
}
}
return 0;
}
static double *
prepare_reference(unsigned char * input_ptr, int w, int h, int d)
{
double *ptr = (double*)malloc(w * h * d * 4 * sizeof(double));
int i;
for (i=0; i<w*h*d*4; i++)
ptr[i] = ((double)input_ptr[i]/255);
return ptr;
}
int test_readimage3d(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
{
cl_mem streams[2];
cl_program program;
cl_kernel kernel;
cl_sampler sampler;
struct testFormat
{
const char* kernelName;
const char* kernelSourceString;
const cl_image_format img_format;
};
static testFormat formatsToTest[] =
{
{
"test_bgra8888",
bgra8888_kernel_code,
{CL_BGRA, CL_UNORM_INT8},
},
{
"test_rgba8888",
rgba8888_kernel_code,
{CL_RGBA, CL_UNORM_INT8},
},
};
unsigned char *input_ptr;
float *output_ptr;
double *ref_ptr;
size_t threads[3];
int img_width = 64;
int img_height = 64;
int img_depth = 64;
int err;
size_t origin[3] = {0, 0, 0};
size_t region[3] = {img_width, img_height, img_depth};
size_t length = img_width * img_height * img_depth * 4 * sizeof(float);
PASSIVE_REQUIRE_3D_IMAGE_SUPPORT( device )
for (uint32_t i = 0; i < ARRAY_SIZE(formatsToTest); i++)
{
if (!is_image_format_required(formatsToTest[i].img_format, CL_MEM_READ_ONLY, CL_MEM_OBJECT_IMAGE3D, device))
continue;
MTdata d = init_genrand( gRandomSeed );
input_ptr = generate_3d_image8(img_width, img_height, img_depth, d);
ref_ptr = prepare_reference(input_ptr, img_width, img_height, img_depth);
output_ptr = (float*)malloc(length);
streams[0] = create_image_3d(context, CL_MEM_READ_ONLY, &formatsToTest[i].img_format, img_width, img_height, img_depth, 0, 0, NULL, &err);
test_error(err, "create_image_3d failed");
streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, &err);
test_error(err, "clCreateBuffer failed");
sampler = clCreateSampler(context, CL_FALSE, CL_ADDRESS_CLAMP_TO_EDGE, CL_FILTER_NEAREST, &err);
test_error(err, "clCreateSampler failed");
err = clEnqueueWriteImage(queue, streams[0], CL_TRUE, origin, region, 0, 0, input_ptr, 0, NULL, NULL);
test_error(err, "clEnqueueWriteImage failed");
err = create_single_kernel_helper(context, &program, &kernel, 1, &formatsToTest[i].kernelSourceString, formatsToTest[i].kernelName);
test_error(err, "create_single_kernel_helper 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);
test_error(err, "clSetKernelArg failed");
threads[0] = (unsigned int)img_width;
threads[1] = (unsigned int)img_height;
threads[2] = (unsigned int)img_depth;
err = clEnqueueNDRangeKernel(queue, kernel, 3, NULL, threads, NULL, 0, NULL, NULL);
test_error(err, "clEnqueueNDRangeKernel failed");
err = clEnqueueReadBuffer(queue, streams[1], CL_TRUE, 0, length, output_ptr, 0, NULL, NULL);
test_error(err, "clEnqueueReadBuffer failed");
err = verify_3d_image8(ref_ptr, output_ptr, img_width, img_height, img_depth);
if ( err == 0 )
{
log_info("READ_IMAGE3D_%s_%s test passed\n",
GetChannelTypeName(formatsToTest[i].img_format.image_channel_data_type),
GetChannelOrderName(formatsToTest[i].img_format.image_channel_order));
}
clReleaseSampler(sampler);
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[1]);
clReleaseKernel(kernel);
clReleaseProgram(program);
free_mtdata(d);
d = NULL;
free(input_ptr);
free(ref_ptr);
free(output_ptr);
}
return err;
}
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