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image.go
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image.go
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package cl
/*
#include "cl.h"
*/
import "C"
import (
"unsafe"
)
func CLGetSupportedImageFormats(context CL_context,
flags CL_mem_flags,
image_type CL_mem_object_type,
num_entries CL_uint,
image_formats []CL_image_format,
num_image_formats *CL_uint) CL_int {
if (num_entries == 0 || image_formats == nil) && num_image_formats == nil {
return CL_INVALID_VALUE
} else {
var c_num_image_formats C.cl_uint
var c_errcode_ret C.cl_int
if num_entries == 0 || image_formats == nil {
c_errcode_ret = C.clGetSupportedImageFormats(context.cl_context,
C.cl_mem_flags(flags),
C.cl_mem_object_type(image_type),
C.cl_uint(num_entries),
nil,
&c_num_image_formats)
} else {
c_image_formats := make([]C.cl_image_format, len(image_formats))
c_errcode_ret = C.clGetSupportedImageFormats(context.cl_context,
C.cl_mem_flags(flags),
C.cl_mem_object_type(image_type),
C.cl_uint(num_entries),
&c_image_formats[0],
&c_num_image_formats)
if c_errcode_ret == C.CL_SUCCESS {
for i := 0; i < len(image_formats); i++ {
image_formats[i].Image_channel_data_type = CL_channel_type(c_image_formats[i].image_channel_data_type)
image_formats[i].Image_channel_order = CL_channel_order(c_image_formats[i].image_channel_order)
}
}
}
if num_image_formats != nil {
*num_image_formats = CL_uint(c_num_image_formats)
}
return CL_int(c_errcode_ret)
}
}
func CLEnqueueMapImage(command_queue CL_command_queue,
image CL_mem,
blocking_map CL_bool,
map_flags CL_map_flags,
origin [3]CL_size_t,
region [3]CL_size_t,
image_row_pitch *CL_size_t,
image_slice_pitch *CL_size_t,
num_events_in_wait_list CL_uint,
event_wait_list []CL_event,
event *CL_event,
errcode_ret *CL_int) unsafe.Pointer {
if (num_events_in_wait_list == 0 && event_wait_list != nil) ||
(num_events_in_wait_list != 0 && event_wait_list == nil) ||
int(num_events_in_wait_list) != len(event_wait_list) {
if errcode_ret != nil {
*errcode_ret = CL_INVALID_EVENT_WAIT_LIST
}
return nil
}
var c_origin, c_region [3]C.size_t
var c_image_row_pitch, c_image_slice_pitch C.size_t
var c_event C.cl_event
var c_errcode_ret C.cl_int
var c_ptr_ret unsafe.Pointer
for i := 0; i < 3; i++ {
c_origin[i] = C.size_t(origin[i])
c_region[i] = C.size_t(region[i])
}
if num_events_in_wait_list != 0 {
var c_event_wait_list []C.cl_event
c_event_wait_list = make([]C.cl_event, num_events_in_wait_list)
for i := 0; i < int(num_events_in_wait_list); i++ {
c_event_wait_list[i] = event_wait_list[i].cl_event
}
c_ptr_ret = C.clEnqueueMapImage(command_queue.cl_command_queue,
image.cl_mem,
C.cl_bool(blocking_map),
C.cl_map_flags(map_flags),
&c_origin[0],
&c_region[0],
&c_image_row_pitch,
&c_image_slice_pitch,
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event,
&c_errcode_ret)
} else {
c_ptr_ret = C.clEnqueueMapImage(command_queue.cl_command_queue,
image.cl_mem,
C.cl_bool(blocking_map),
C.cl_map_flags(map_flags),
&c_origin[0],
&c_region[0],
&c_image_row_pitch,
&c_image_slice_pitch,
0,
nil,
&c_event,
&c_errcode_ret)
}
if image_row_pitch != nil {
*image_row_pitch = CL_size_t(c_image_row_pitch)
}
if image_slice_pitch != nil {
*image_slice_pitch = CL_size_t(c_image_slice_pitch)
}
if event != nil {
event.cl_event = c_event
}
if errcode_ret != nil {
*errcode_ret = CL_int(c_errcode_ret)
}
return c_ptr_ret
}
func CLEnqueueCopyImageToBuffer(command_queue CL_command_queue,
src_image CL_mem,
dst_buffer CL_mem,
src_origin [3]CL_size_t,
region [3]CL_size_t,
dst_offset CL_size_t,
num_events_in_wait_list CL_uint,
event_wait_list []CL_event,
event *CL_event) CL_int {
if (num_events_in_wait_list == 0 && event_wait_list != nil) ||
(num_events_in_wait_list != 0 && event_wait_list == nil) ||
int(num_events_in_wait_list) != len(event_wait_list) {
return CL_INVALID_EVENT_WAIT_LIST
}
var c_origin, c_region [3]C.size_t
var c_event C.cl_event
var c_errcode_ret C.cl_int
for i := 0; i < 3; i++ {
c_origin[i] = C.size_t(src_origin[i])
c_region[i] = C.size_t(region[i])
}
if num_events_in_wait_list != 0 {
var c_event_wait_list []C.cl_event
c_event_wait_list = make([]C.cl_event, num_events_in_wait_list)
for i := 0; i < int(num_events_in_wait_list); i++ {
c_event_wait_list[i] = event_wait_list[i].cl_event
}
c_errcode_ret = C.clEnqueueCopyImageToBuffer(command_queue.cl_command_queue,
src_image.cl_mem,
dst_buffer.cl_mem,
&c_origin[0],
&c_region[0],
C.size_t(dst_offset),
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueCopyImageToBuffer(command_queue.cl_command_queue,
src_image.cl_mem,
dst_buffer.cl_mem,
&c_origin[0],
&c_region[0],
C.size_t(dst_offset),
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
func CLEnqueueCopyBufferToImage(command_queue CL_command_queue,
src_buffer CL_mem,
dst_image CL_mem,
src_offset CL_size_t,
dst_origin [3]CL_size_t,
region [3]CL_size_t,
num_events_in_wait_list CL_uint,
event_wait_list []CL_event,
event *CL_event) CL_int {
if (num_events_in_wait_list == 0 && event_wait_list != nil) ||
(num_events_in_wait_list != 0 && event_wait_list == nil) ||
int(num_events_in_wait_list) != len(event_wait_list) {
return CL_INVALID_EVENT_WAIT_LIST
}
var c_origin, c_region [3]C.size_t
var c_event C.cl_event
var c_errcode_ret C.cl_int
for i := 0; i < 3; i++ {
c_origin[i] = C.size_t(dst_origin[i])
c_region[i] = C.size_t(region[i])
}
if num_events_in_wait_list != 0 {
var c_event_wait_list []C.cl_event
c_event_wait_list = make([]C.cl_event, num_events_in_wait_list)
for i := 0; i < int(num_events_in_wait_list); i++ {
c_event_wait_list[i] = event_wait_list[i].cl_event
}
c_errcode_ret = C.clEnqueueCopyBufferToImage(command_queue.cl_command_queue,
src_buffer.cl_mem,
dst_image.cl_mem,
C.size_t(src_offset),
&c_origin[0],
&c_region[0],
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueCopyBufferToImage(command_queue.cl_command_queue,
src_buffer.cl_mem,
dst_image.cl_mem,
C.size_t(src_offset),
&c_origin[0],
&c_region[0],
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
func CLEnqueueReadImage(command_queue CL_command_queue,
image CL_mem,
blocking_read CL_bool,
origin [3]CL_size_t,
region [3]CL_size_t,
row_pitch CL_size_t,
slice_pitch CL_size_t,
ptr unsafe.Pointer,
num_events_in_wait_list CL_uint,
event_wait_list []CL_event,
event *CL_event) CL_int {
if (num_events_in_wait_list == 0 && event_wait_list != nil) ||
(num_events_in_wait_list != 0 && event_wait_list == nil) ||
int(num_events_in_wait_list) != len(event_wait_list) {
return CL_INVALID_EVENT_WAIT_LIST
}
var c_origin, c_region [3]C.size_t
var c_event C.cl_event
var c_errcode_ret C.cl_int
for i := 0; i < 3; i++ {
c_origin[i] = C.size_t(origin[i])
c_region[i] = C.size_t(region[i])
}
if num_events_in_wait_list != 0 {
var c_event_wait_list []C.cl_event
c_event_wait_list = make([]C.cl_event, num_events_in_wait_list)
for i := 0; i < int(num_events_in_wait_list); i++ {
c_event_wait_list[i] = event_wait_list[i].cl_event
}
c_errcode_ret = C.clEnqueueReadImage(command_queue.cl_command_queue,
image.cl_mem,
C.cl_bool(blocking_read),
&c_origin[0],
&c_region[0],
C.size_t(row_pitch),
C.size_t(slice_pitch),
ptr,
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueReadImage(command_queue.cl_command_queue,
image.cl_mem,
C.cl_bool(blocking_read),
&c_origin[0],
&c_region[0],
C.size_t(row_pitch),
C.size_t(slice_pitch),
ptr,
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
func CLEnqueueWriteImage(command_queue CL_command_queue,
image CL_mem,
blocking_write CL_bool,
origin [3]CL_size_t,
region [3]CL_size_t,
row_pitch CL_size_t,
slice_pitch CL_size_t,
ptr unsafe.Pointer,
num_events_in_wait_list CL_uint,
event_wait_list []CL_event,
event *CL_event) CL_int {
if (num_events_in_wait_list == 0 && event_wait_list != nil) ||
(num_events_in_wait_list != 0 && event_wait_list == nil) ||
int(num_events_in_wait_list) != len(event_wait_list) {
return CL_INVALID_EVENT_WAIT_LIST
}
var c_origin, c_region [3]C.size_t
var c_event C.cl_event
var c_errcode_ret C.cl_int
for i := 0; i < 3; i++ {
c_origin[i] = C.size_t(origin[i])
c_region[i] = C.size_t(region[i])
}
if num_events_in_wait_list != 0 {
var c_event_wait_list []C.cl_event
c_event_wait_list = make([]C.cl_event, num_events_in_wait_list)
for i := 0; i < int(num_events_in_wait_list); i++ {
c_event_wait_list[i] = event_wait_list[i].cl_event
}
c_errcode_ret = C.clEnqueueWriteImage(command_queue.cl_command_queue,
image.cl_mem,
C.cl_bool(blocking_write),
&c_origin[0],
&c_region[0],
C.size_t(row_pitch),
C.size_t(slice_pitch),
ptr,
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueWriteImage(command_queue.cl_command_queue,
image.cl_mem,
C.cl_bool(blocking_write),
&c_origin[0],
&c_region[0],
C.size_t(row_pitch),
C.size_t(slice_pitch),
ptr,
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
func CLEnqueueCopyImage(command_queue CL_command_queue,
src_image CL_mem,
dst_image CL_mem,
src_origin [3]CL_size_t,
dst_origin [3]CL_size_t,
region [3]CL_size_t,
num_events_in_wait_list CL_uint,
event_wait_list []CL_event,
event *CL_event) CL_int {
if (num_events_in_wait_list == 0 && event_wait_list != nil) ||
(num_events_in_wait_list != 0 && event_wait_list == nil) ||
int(num_events_in_wait_list) != len(event_wait_list) {
return CL_INVALID_EVENT_WAIT_LIST
}
var c_src_origin, c_dst_origin, c_region [3]C.size_t
var c_event C.cl_event
var c_errcode_ret C.cl_int
for i := 0; i < 3; i++ {
c_src_origin[i] = C.size_t(src_origin[i])
c_dst_origin[i] = C.size_t(dst_origin[i])
c_region[i] = C.size_t(region[i])
}
if num_events_in_wait_list != 0 {
var c_event_wait_list []C.cl_event
c_event_wait_list = make([]C.cl_event, num_events_in_wait_list)
for i := 0; i < int(num_events_in_wait_list); i++ {
c_event_wait_list[i] = event_wait_list[i].cl_event
}
c_errcode_ret = C.clEnqueueCopyImage(command_queue.cl_command_queue,
src_image.cl_mem,
dst_image.cl_mem,
&c_src_origin[0],
&c_dst_origin[0],
&c_region[0],
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueCopyImage(command_queue.cl_command_queue,
src_image.cl_mem,
dst_image.cl_mem,
&c_src_origin[0],
&c_dst_origin[0],
&c_region[0],
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
func CLGetImageInfo(image CL_mem,
param_name CL_image_info,
param_value_size CL_size_t,
param_value *interface{},
param_value_size_ret *CL_size_t) CL_int {
if (param_value_size == 0 || param_value == nil) && param_value_size_ret == nil {
return CL_INVALID_VALUE
} else {
var c_param_value_size_ret C.size_t
var c_errcode_ret C.cl_int
if param_value_size == 0 || param_value == nil {
c_errcode_ret = C.clGetImageInfo(image.cl_mem,
C.cl_image_info(param_name),
C.size_t(param_value_size),
nil,
&c_param_value_size_ret)
} else {
switch param_name {
case CL_IMAGE_FORMAT:
var value C.cl_image_format
c_errcode_ret = C.clGetImageInfo(image.cl_mem,
C.cl_image_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_image_format{CL_channel_order(value.image_channel_order),
CL_channel_type(value.image_channel_data_type)}
case CL_IMAGE_ELEMENT_SIZE,
CL_IMAGE_ROW_PITCH,
CL_IMAGE_SLICE_PITCH,
CL_IMAGE_HEIGHT,
CL_IMAGE_WIDTH,
CL_IMAGE_DEPTH,
CL_IMAGE_ARRAY_SIZE:
var value C.size_t
c_errcode_ret = C.clGetImageInfo(image.cl_mem,
C.cl_image_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_size_t(value)
case CL_IMAGE_BUFFER:
var value C.cl_mem
c_errcode_ret = C.clGetImageInfo(image.cl_mem,
C.cl_image_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_mem{value}
case CL_IMAGE_NUM_MIP_LEVELS,
CL_IMAGE_NUM_SAMPLES:
var value C.cl_uint
c_errcode_ret = C.clGetImageInfo(image.cl_mem,
C.cl_image_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_uint(value)
default:
return CL_INVALID_VALUE
}
}
if param_value_size_ret != nil {
*param_value_size_ret = CL_size_t(c_param_value_size_ret)
}
return CL_int(c_errcode_ret)
}
}