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clUtilImage.cc
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clUtilImage.cc
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#include "clUtilDevice.h"
#include "clUtilCommon.h"
#include "clUtilException.h"
#include "clUtil_kernel.h"
using namespace clUtil;
cl_int clUtilPutImage1D(cl_mem image,
const size_t offset,
const size_t region,
void* ptr)
{
void* mappedImage;
size_t imageWidth;
size_t imageHeight;
size_t origin3D[3] = {0, 0, 0};
size_t region3D[3] = {imageWidth, imageHeight, 1};
size_t pitch;
cl_int err;
void* hostStartAddress;
void* mappedImageStartAddress;
size_t pixelSize;
err = clGetImageInfo(image,
CL_IMAGE_WIDTH,
sizeof(imageWidth),
&imageWidth,
NULL);
clUtilCheckError(err);
err = clGetImageInfo(image,
CL_IMAGE_HEIGHT,
sizeof(imageHeight),
&imageHeight,
NULL);
clUtilCheckError(err);
err = clGetImageInfo(image,
CL_IMAGE_ELEMENT_SIZE,
sizeof(pixelSize),
&pixelSize,
NULL);
clUtilCheckError(err);
mappedImage = clEnqueueMapImage(Device::GetCurrentDevice().getCommandQueue(),
image,
CL_TRUE,
CL_MAP_WRITE,
origin3D,
region3D,
&pitch,
NULL,
0,
NULL,
NULL,
&err);
clUtilCheckError(err);
hostStartAddress = (void*)((size_t)ptr + offset * pixelSize);
mappedImageStartAddress =
(void*)((size_t)mappedImage + offset * pixelSize);
memcpy(mappedImageStartAddress,
hostStartAddress,
region * pixelSize);
err = clEnqueueUnmapMemObject(Device::GetCurrentDevice().getCommandQueue(),
image,
mappedImage,
0,
NULL,
NULL);
clUtilCheckError(err);
err = clEnqueueBarrier(Device::GetCurrentDevice().getCommandQueue());
clUtilCheckError(err);
return CL_SUCCESS;
}
cl_int clUtilGetImage1D(cl_mem image,
const size_t offset,
const size_t region,
void* ptr)
{
void* mappedImage;
size_t imageWidth;
size_t imageHeight;
size_t origin3D[3] = {0, 0, 0};
size_t region3D[3] = {imageWidth, imageHeight, 1};
size_t pitch = 0;
cl_int err;
void* hostStartAddress;
void* mappedImageStartAddress;
size_t pixelSize;
err = clGetImageInfo(image,
CL_IMAGE_WIDTH,
sizeof(imageWidth),
&imageWidth,
NULL);
clUtilCheckError(err);
err = clGetImageInfo(image,
CL_IMAGE_HEIGHT,
sizeof(imageHeight),
&imageHeight,
NULL);
clUtilCheckError(err);
err = clGetImageInfo(image,
CL_IMAGE_ELEMENT_SIZE,
sizeof(pixelSize),
&pixelSize,
NULL);
clUtilCheckError(err);
mappedImage = clEnqueueMapImage(Device::GetCurrentDevice().getCommandQueue(),
image,
CL_TRUE,
CL_MAP_READ,
origin3D,
region3D,
&pitch,
NULL,
0,
NULL,
NULL,
&err);
clUtilCheckError(err);
hostStartAddress = (void*)((size_t)ptr + offset * pixelSize);
mappedImageStartAddress =
(void*)((size_t)mappedImage + offset * pixelSize);
memcpy(hostStartAddress,
mappedImageStartAddress,
region * pixelSize);
err = clEnqueueUnmapMemObject(Device::GetCurrentDevice().getCommandQueue(),
image,
mappedImage,
0,
NULL,
NULL);
clUtilCheckError(err);
err = clEnqueueBarrier(Device::GetCurrentDevice().getCommandQueue());
clUtilCheckError(err);
return CL_SUCCESS;
}
cl_int clUtilCreateImage1D(size_t numPixels,
cl_channel_order order,
cl_channel_type type,
cl_mem* image)
{
size_t imageWidth;
size_t imageHeight;
cl_int err;
cl_image_format format;
format.image_channel_order = order;
format.image_channel_data_type = type;
//Create an image buffer with the next highest perfect square # elements
#if 1
imageWidth = 8192;
imageHeight = numPixels % imageWidth == 0 ?
numPixels / imageWidth :
numPixels / imageWidth + 1;
#else
for(unsigned int i = 0; i < 14; i++)
{
unsigned int size = 1 << i;
if(size * size > numPixels)
{
imageHeight = size;
imageWidth = size;
break;
}
}
#endif
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
imageHeight,
0,
NULL,
&err);
clUtilCheckError(err);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageFloat(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = m;
//Set image format
format.image_channel_order = CL_A;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
n,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageFloat",
clUtilGrid(imageWidth, 8, n, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageTransposeFloat(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = n;
//Set image format
format.image_channel_order = CL_A;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
m,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageTransposeFloat",
clUtilGrid(imageWidth, 8, m, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageDouble(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = m;
//Set image format
format.image_channel_order = CL_RG;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
n,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageDouble",
clUtilGrid(imageWidth, 8, n, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageTransposeDouble(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = n;
//Set image format
format.image_channel_order = CL_RG;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
m,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageTransposeDouble",
clUtilGrid(imageWidth, 8, m, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageFloat4(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = m % 4 == 0 ? m / 4 : m / 4 + 1;
//Set image format
format.image_channel_order = CL_RGBA;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
n,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageFloat4",
clUtilGrid(imageWidth, 8, n, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageTransposeFloat4(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = n % 4 == 0 ? n / 4 : n / 4 + 1;
//Set image format
format.image_channel_order = CL_RGBA;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
m,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageTransposeFloat4",
clUtilGrid(imageWidth, 8, m, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageDouble2(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = m % 2 == 0 ? m / 2 : m / 2 + 1;
//Set image format
format.image_channel_order = CL_RGBA;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
n,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageDouble2",
clUtilGrid(imageWidth, 8, n, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}
cl_int clUtilCopyToImageTransposeDouble2(cl_mem buffer,
int offset,
int m,
int n,
int ld,
cl_mem* image)
{
cl_int err;
cl_image_format format;
int imageWidth;
imageWidth = n % 2 == 0 ? n / 2 : n / 2 + 1;
//Set image format
format.image_channel_order = CL_RGBA;
format.image_channel_data_type = CL_FLOAT;
*image = clCreateImage2D(Device::GetCurrentDevice().getContext(),
CL_MEM_READ_WRITE,
&format,
imageWidth,
m,
0,
NULL,
&err);
clUtilCheckError(err);
clUtilEnqueueKernel("copyToImageTransposeDouble2",
clUtilGrid(imageWidth, 8, m, 8),
buffer,
offset,
m,
n,
ld,
*image);
return CL_SUCCESS;
}