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#include <string.h>
#include "utest_helper.hpp"
#include <malloc.h>
#include <cstring>
static void image_from_buffer(void)
{
size_t param_value_size;
std::string extensionStr;
OCL_CALL (clGetPlatformInfo, platform, CL_PLATFORM_EXTENSIONS, 0, 0, ¶m_value_size);
std::vector<char> param_value(param_value_size);
OCL_CALL (clGetPlatformInfo, platform, CL_PLATFORM_EXTENSIONS, param_value_size, param_value.empty() ? NULL : ¶m_value.front(), ¶m_value_size);
if (!param_value.empty())
extensionStr = std::string(¶m_value.front(), param_value_size-1);
if (!std::strstr(extensionStr.c_str(), "cl_khr_image2d_from_buffer")) {
return;
}
size_t base_address_alignment = 0;
OCL_CALL (clGetDeviceInfo, device, CL_DEVICE_IMAGE_BASE_ADDRESS_ALIGNMENT, sizeof(base_address_alignment), &base_address_alignment, NULL);
const size_t w = 512;
const size_t h = 512;
cl_image_format format;
cl_image_desc desc;
int error;
memset(&desc, 0x0, sizeof(cl_image_desc));
memset(&format, 0x0, sizeof(cl_image_format));
OCL_CREATE_KERNEL("image_from_buffer");
// Setup kernel and images
size_t buffer_sz = sizeof(uint32_t) * w * h;
uint32_t* src_data;
src_data = (uint32_t*)memalign(base_address_alignment, buffer_sz);
if(!src_data) {
fprintf(stderr, "run out of memory\n");
return;
}
for (uint32_t j = 0; j < h; ++j)
for (uint32_t i = 0; i < w; i++)
src_data[j * w + i] = j * w + i;
cl_mem buff = clCreateBuffer(ctx, CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR, buffer_sz, src_data, &error);
OCL_ASSERT(error == CL_SUCCESS);
format.image_channel_order = CL_RGBA;
format.image_channel_data_type = CL_UNSIGNED_INT8;
desc.image_type = CL_MEM_OBJECT_IMAGE2D;
desc.image_width = w;
desc.image_height = h;
desc.image_row_pitch = w * sizeof(uint32_t);
desc.buffer = 0;
OCL_CREATE_IMAGE(buf[0], CL_MEM_COPY_HOST_PTR, &format, &desc, src_data);
desc.buffer = buff;
OCL_CREATE_IMAGE(buf[1], 0, &format, &desc, NULL);
desc.buffer = 0;
desc.image_row_pitch = 0;
OCL_CREATE_IMAGE(buf[2], CL_MEM_WRITE_ONLY, &format, &desc, NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[1]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[2]);
globals[0] = w;
globals[1] = h;
locals[0] = 16;
locals[1] = 4;
OCL_NDRANGE(2);
// Check result
OCL_MAP_BUFFER_GTT(0);
OCL_MAP_BUFFER_GTT(1);
OCL_MAP_BUFFER_GTT(2);
for (uint32_t j = 0; j < h; ++j)
for (uint32_t i = 0; i < w; i++)
{
//printf("%d,%d\n", ((uint32_t*)buf_data[0])[j * w + i], ((uint32_t*)buf_data[1])[j * w + i]);
//printf("%d,%d,%d,%d\n", j, i, ((uint32_t*)buf_data[0])[j * w + i], ((uint32_t*)buf_data[2])[j * w + i]);
OCL_ASSERT(((uint32_t*)buf_data[0])[j * w + i] == ((uint32_t*)buf_data[1])[j * w + i]);
OCL_ASSERT(((uint32_t*)buf_data[0])[j * w + i] == ((uint32_t*)buf_data[2])[j * w + i]);
}
OCL_UNMAP_BUFFER_GTT(0);
OCL_UNMAP_BUFFER_GTT(1);
OCL_UNMAP_BUFFER_GTT(2);
free(src_data);
//spec didn't tell the sequence of release buffer of image. so release either buffer or image first is ok here.
//we follow the rule of destroy the bo at the last release, then the access of buffer after release image is legal
//and vice verse.
#if 1
clReleaseMemObject(buf[1]);
clReleaseMemObject(buff);
#else
clReleaseMemObject(buff);
clReleaseMemObject(buf[1]);
#endif
clReleaseMemObject(buf[2]);
buf[1] = NULL;
buf[2] = NULL;
}
MAKE_UTEST_FROM_FUNCTION(image_from_buffer);
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