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#include <string.h>
#include "utest_helper.hpp"
#include <malloc.h>
#include <cstring>
static void image_planar_yuv(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_intel_planar_yuv")) {
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 = 36;
const size_t h = 36;
// Setup kernel and images
size_t buffer_sz = sizeof(uint8_t) * w * h * 2;
size_t yplane_sz = sizeof(uint8_t) * w * h;
size_t uvplane_sz = sizeof(uint8_t) * w/2 * h /2 * 2;
uint8_t* src_data;
uint8_t* yplane_data;
uint8_t* uvplane_data;
src_data = (uint8_t*)memalign(base_address_alignment, buffer_sz);
yplane_data = (uint8_t*)memalign(base_address_alignment, yplane_sz);
uvplane_data = (uint8_t*)memalign(base_address_alignment, uvplane_sz);
if (!src_data || !yplane_data || !uvplane_data) {
fprintf(stderr, "run out of memory\n");
return;
}
memset(src_data, 0, buffer_sz);
memset(yplane_data, 0, yplane_sz);
memset(uvplane_data, 0, uvplane_sz);
for (uint32_t j = 0; j < h; ++j)
for (uint32_t i = 0; i < w; i++)
src_data[j * w + i] = uint8_t( i+5);
for (uint32_t j = h; j < 2 * h; ++j) {
for (uint32_t i = 0; i < w; i += 2) {
src_data[j * w + i] = uint8_t(i);
src_data[j * w + i + 1] = uint8_t(i + 1);
}
}
cl_image_format image_format;
image_format.image_channel_order = CL_NV12_INTEL;
image_format.image_channel_data_type = CL_UNORM_INT8;
cl_image_desc image_desc;
image_desc.image_type = CL_MEM_OBJECT_IMAGE2D;
image_desc.image_width = w;
image_desc.image_height = h;
image_desc.image_array_size = 0;
image_desc.image_row_pitch = 0;
image_desc.image_slice_pitch = 0;
image_desc.num_mip_levels = 0;
image_desc.num_samples = 0;
image_desc.mem_object = NULL;
int error;
cl_mem nv12Img = clCreateImage(ctx, CL_MEM_READ_ONLY | CL_MEM_ACCESS_FLAGS_UNRESTRICTED_INTEL,
&image_format, &image_desc, src_data, &error);
OCL_ASSERT(nv12Img);
size_t origin[] = {0,0,0};
size_t region[] = {w, h, 1};
// as the whole yuv image write is not supported, format PLANAR_420_8
// couldn't be written by typed surface write, we disable this usage so far.
#if 0
OCL_CREATE_KERNEL_FROM_FILE("image_planar_yuv", "image_planar_total");
cl_mem nv12ImgOut = clCreateImage(ctx, CL_MEM_READ_WRITE | CL_MEM_ACCESS_FLAGS_UNRESTRICTED_INTEL,
&image_format, &image_desc, NULL, &error);
OCL_SET_ARG(0, sizeof(cl_mem), &nv12Img);
OCL_SET_ARG(1, sizeof(cl_mem), &nv12ImgOut);
globals[0] = w;
globals[1] = h;
locals[0] = 16;
locals[1] = 4;
OCL_NDRANGE(2);
clReleaseMemObject(nv12ImgOut);
#endif
OCL_CREATE_KERNEL_FROM_FILE("image_planar_yuv", "image_planar_seperate");
size_t image_row_pitch = w;
size_t image_slice_pitch = 0;
// set mem_object to the full NV12 image
image_desc.mem_object = nv12Img;
// image_width & image_height are ignored for plane extraction
image_desc.image_width = 0;
image_desc.image_height = 0;
// get access to the Y plane (CL_R)
image_desc.image_depth = 0;
// set proper image_format for the Y plane
image_format.image_channel_order = CL_R;
image_format.image_channel_data_type = CL_UNORM_INT8;
cl_mem nv12YplaneImg = clCreateImage(ctx, CL_MEM_READ_WRITE, &image_format,
&image_desc, NULL, &error);
OCL_ASSERT(nv12YplaneImg);
cl_mem nv12YplaneImgOut = clCreateImage(ctx, CL_MEM_READ_WRITE, &image_format,
&image_desc, NULL, &error);
OCL_ASSERT(nv12YplaneImgOut);
// get access to the UV plane (CL_RG)
image_desc.image_depth = 1;
// set proper image_format for the UV plane
image_format.image_channel_order = CL_RG;
image_format.image_channel_data_type = CL_UNORM_INT8;
cl_mem nv12UVplaneImg = clCreateImage(ctx, CL_MEM_READ_WRITE, &image_format,
&image_desc, NULL, &error);
OCL_ASSERT(nv12UVplaneImg);
cl_mem nv12UVplaneImgOut = clCreateImage(ctx, CL_MEM_READ_WRITE, &image_format,
&image_desc, NULL, &error);
OCL_ASSERT(nv12UVplaneImgOut);
size_t region_uv[] = {w/2, h/2, 1};
OCL_SET_ARG(0, sizeof(cl_mem), &nv12YplaneImg);
OCL_SET_ARG(1, sizeof(cl_mem), &nv12UVplaneImg);
OCL_SET_ARG(2, sizeof(cl_mem), &nv12YplaneImgOut);
OCL_SET_ARG(3, sizeof(cl_mem), &nv12UVplaneImgOut);
globals[0] = w;
globals[1] = h;
locals[0] = 4;
locals[1] = 4;
OCL_NDRANGE(2);
// read Y plane of NV12 image
error = clEnqueueReadImage(queue, nv12YplaneImg, true, origin, region,
image_row_pitch, image_slice_pitch, yplane_data, 0, NULL, NULL);
// read UV plane of NV12 image
error = clEnqueueReadImage(queue, nv12UVplaneImg, true, origin, region_uv,
image_row_pitch, image_slice_pitch, uvplane_data, 0, NULL, NULL);
for (uint32_t j = 0; j < h; ++j) {
for (uint32_t i = 0; i < w; i++)
OCL_ASSERT(yplane_data[j * w + i] == i+6);
}
for (uint32_t j = 0; j < h/2; ++j) {
for (uint32_t i = 0; i < w; i++)
OCL_ASSERT(uvplane_data[j * w + i] == i+1);
}
free(src_data);
free(yplane_data);
free(uvplane_data);
clReleaseMemObject(nv12YplaneImg);
clReleaseMemObject(nv12UVplaneImg);
clReleaseMemObject(nv12YplaneImgOut);
clReleaseMemObject(nv12UVplaneImgOut);
clReleaseMemObject(nv12Img);
}
MAKE_UTEST_FROM_FUNCTION(image_planar_yuv);
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