func CLEnqueueReadBuffer(command_queue CL_command_queue,
buffer CL_mem,
blocking_read CL_bool,
offset CL_size_t,
cb 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_event C.cl_event
var c_errcode_ret C.cl_int
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.clEnqueueReadBuffer(command_queue.cl_command_queue,
buffer.cl_mem,
C.cl_bool(blocking_read),
C.size_t(offset),
C.size_t(cb),
ptr,
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueReadBuffer(command_queue.cl_command_queue,
buffer.cl_mem,
C.cl_bool(blocking_read),
C.size_t(offset),
C.size_t(cb),
ptr,
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
func CLEnqueueSVMMap(command_queue CL_command_queue,
blocking_map CL_bool,
map_flags CL_map_flags,
svm_ptr unsafe.Pointer,
size 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_event C.cl_event
var c_errcode_ret C.cl_int
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.clEnqueueSVMMap(command_queue.cl_command_queue,
C.cl_bool(blocking_map),
C.cl_map_flags(map_flags),
svm_ptr,
C.size_t(size),
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueSVMMap(command_queue.cl_command_queue,
C.cl_bool(blocking_map),
C.cl_map_flags(map_flags),
svm_ptr,
C.size_t(size),
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
func (cq *CommandQueue) EnqueueReadImage(i *Image, blocking bool, origin, region [3]Size, rowPitch, slicePitch Size) ([]byte, error) {
c_blocking := C.cl_bool(C.CL_FALSE)
if blocking {
c_blocking = C.CL_TRUE
}
size := Size(0)
if i.Property(IMAGE_DEPTH) == 0 || i.Property(IMAGE_DEPTH) == 1 { // 2D image
if rowPitch == 0 {
rowPitch = i.Property(IMAGE_WIDTH) * i.Property(IMAGE_ELEMENT_SIZE)
}
size = rowPitch * i.Property(IMAGE_HEIGHT)
} else {
if slicePitch == 0 {
if rowPitch == 0 {
rowPitch = i.Property(IMAGE_WIDTH) * i.Property(IMAGE_ELEMENT_SIZE)
}
slicePitch = rowPitch * i.Property(IMAGE_DEPTH)
}
size = slicePitch * i.Property(IMAGE_DEPTH)
}
bytes := make([]byte, size)
if ret := C.clEnqueueReadImage(
cq.id, i.id, c_blocking,
(*C.size_t)(unsafe.Pointer(&origin[0])), (*C.size_t)(unsafe.Pointer(®ion[0])),
C.size_t(rowPitch), C.size_t(slicePitch), unsafe.Pointer(&bytes[0]),
0, nil, nil); ret != C.CL_SUCCESS {
return nil, Cl_error(ret)
}
return bytes, nil
}
func (cq *CommandQueue) EnqueueWriteImage(img *Image, blocking bool, origin, region [3]Size, rowPitch, slicePitch Size, data []byte) error {
c_blocking := C.cl_bool(C.CL_FALSE)
if blocking {
c_blocking = C.CL_TRUE
}
if ret := C.clEnqueueWriteImage(
cq.id, img.id, c_blocking,
(*C.size_t)(unsafe.Pointer(&origin[0])), (*C.size_t)(unsafe.Pointer(®ion[0])),
C.size_t(rowPitch), C.size_t(slicePitch),
unsafe.Pointer(&data[0]),
C.cl_uint(0), nil, nil); ret != C.CL_SUCCESS {
return Cl_error(ret)
}
return nil
}
func (c *Context) NewSampler(normalizedCoords bool, addressingMode AddressingMode, filterMode FilterMode) (*Sampler, error) {
var c_sampler C.cl_sampler
var err C.cl_int
cNormalizedCoords := C.cl_bool(C.CL_FALSE)
if normalizedCoords {
cNormalizedCoords = C.CL_TRUE
}
if c_sampler = C.clCreateSampler(c.id, cNormalizedCoords, C.cl_addressing_mode(addressingMode), C.cl_filter_mode(filterMode), &err); err != C.CL_SUCCESS {
return nil, Cl_error(err)
}
sampler := &Sampler{id: c_sampler}
runtime.SetFinalizer(sampler, (*Sampler).release)
return sampler, nil
}
func CLCreateSampler(context CL_context,
normalized_coords CL_bool,
addressing_mode CL_addressing_mode,
filter_mode CL_filter_mode,
errcode_ret *CL_int) CL_sampler {
var c_errcode_ret C.cl_int
var c_sampler C.cl_sampler
c_sampler = C.clCreateSampler(context.cl_context,
C.cl_bool(normalized_coords),
C.cl_addressing_mode(addressing_mode),
C.cl_filter_mode(filter_mode),
&c_errcode_ret)
if errcode_ret != nil {
*errcode_ret = CL_int(c_errcode_ret)
}
return CL_sampler{c_sampler}
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueMapImage.html
func EnqueueMapImage(cq CommandQueue, image Mem, blocking_map Bool, map_flags MapFlags, origin3 *uint64, region3 *uint64, image_row_pitch *uint64, image_slice_pitch *uint64, num_events_in_wait_list uint32, event_wait_list *Event, event *Event, errcode_ret *int32) unsafe.Pointer {
return unsafe.Pointer(C.clEnqueueMapImage(cq, image, C.cl_bool(blocking_map), C.cl_map_flags(map_flags), (*C.size_t)(unsafe.Pointer(origin3)), (*C.size_t)(unsafe.Pointer(region3)), (*C.size_t)(unsafe.Pointer(image_row_pitch)), (*C.size_t)(unsafe.Pointer(image_slice_pitch)), C.cl_uint(num_events_in_wait_list), (*C.cl_event)(unsafe.Pointer(event_wait_list)), (*C.cl_event)(unsafe.Pointer(event)), (*C.cl_int)(unsafe.Pointer(errcode_ret))))
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueMapBuffer.html
func EnqueueMapBuffer(cq CommandQueue, buffer Mem, blocking_map Bool, map_flags uint64, offset uint64, size uint64, num_events_in_wait_list uint32, event_wait_list *Event, event *Event, errcode_ret *int32) unsafe.Pointer {
return unsafe.Pointer(C.clEnqueueMapBuffer(cq, buffer, C.cl_bool(blocking_map), C.cl_map_flags(map_flags), C.size_t(offset), C.size_t(size), C.cl_uint(num_events_in_wait_list), (*C.cl_event)(unsafe.Pointer(event_wait_list)), (*C.cl_event)(unsafe.Pointer(event)), (*C.cl_int)(unsafe.Pointer(errcode_ret))))
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteImage.html
func EnqueueWriteImage(cq CommandQueue, image Mem, blocking_write Bool, origin3 *uint64, region3 *uint64, input_row_pitch uint64, input_slice_pitch uint64, ptr unsafe.Pointer, num_events_in_wait_list uint32, event_wait_list *Event, event *Event) ErrorCode {
return ErrorCode(C.clEnqueueWriteImage(cq, image, C.cl_bool(blocking_write), (*C.size_t)(unsafe.Pointer(origin3)), (*C.size_t)(unsafe.Pointer(region3)), C.size_t(input_row_pitch), C.size_t(input_slice_pitch), unsafe.Pointer(ptr), C.cl_uint(num_events_in_wait_list), (*C.cl_event)(unsafe.Pointer(event_wait_list)), (*C.cl_event)(unsafe.Pointer(event))))
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteBuffer.html
func EnqueueWriteBuffer(cq CommandQueue, buffer Mem, blocking_write Bool, offset uint64, size uint64, ptr unsafe.Pointer, num_events_in_wait_list uint32, event_wait_list *Event, event *Event) ErrorCode {
return ErrorCode(C.clEnqueueWriteBuffer(cq, buffer, C.cl_bool(blocking_write), C.size_t(offset), C.size_t(size), unsafe.Pointer(ptr), C.cl_uint(num_events_in_wait_list), (*C.cl_event)(unsafe.Pointer(event_wait_list)), (*C.cl_event)(unsafe.Pointer(event))))
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateSampler.html
func CreateSampler(context Context, normalizedCoords Bool, addressingMode AddressingMode, filterMode FilterMode, errcode *ErrorCode) Sampler {
return Sampler(C.clCreateSampler(context.clContext, C.cl_bool(normalizedCoords), C.cl_addressing_mode(addressingMode), C.cl_filter_mode(filterMode), (*C.cl_int)(unsafe.Pointer(errcode))))
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetCommandQueueProperty.html
func SetCommandQueueProperty(cq CommandQueue, properties CommandQueueProperties, enable BOOL, oldproperties *CommandQueueProperties) int {
return ErrorCode(C.clSetCommandQueueProperty(cq, C.cl_command_queue_properties(properties), C.cl_bool(enable), (*C.cl_command_queue_properties)(oldproperties)))
}
func CLEnqueueMapBuffer(command_queue CL_command_queue,
buffer CL_mem,
blocking_map CL_bool,
map_flags CL_map_flags,
offset CL_size_t,
cb 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_event C.cl_event
var c_errcode_ret C.cl_int
var c_ptr_ret unsafe.Pointer
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.clEnqueueMapBuffer(command_queue.cl_command_queue,
buffer.cl_mem,
C.cl_bool(blocking_map),
C.cl_map_flags(map_flags),
C.size_t(offset),
C.size_t(cb),
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event,
&c_errcode_ret)
} else {
c_ptr_ret = C.clEnqueueMapBuffer(command_queue.cl_command_queue,
buffer.cl_mem,
C.cl_bool(blocking_map),
C.cl_map_flags(map_flags),
C.size_t(offset),
C.size_t(cb),
0,
nil,
&c_event,
&c_errcode_ret)
}
if event != nil {
event.cl_event = c_event
}
if errcode_ret != nil {
*errcode_ret = CL_int(c_errcode_ret)
}
return c_ptr_ret
}
func CLEnqueueWriteBufferRect(command_queue CL_command_queue,
buffer CL_mem,
blocking_write CL_bool,
buffer_origin [3]CL_size_t,
host_origin [3]CL_size_t,
region [3]CL_size_t,
buffer_row_pitch CL_size_t,
buffer_slice_pitch CL_size_t,
host_row_pitch CL_size_t,
host_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_buffer_origin [3]C.size_t
var c_host_origin [3]C.size_t
var c_region [3]C.size_t
for i := 0; i < 3; i++ {
c_buffer_origin[i] = C.size_t(buffer_origin[i])
c_host_origin[i] = C.size_t(host_origin[i])
c_region[i] = C.size_t(region[i])
}
var c_event C.cl_event
var c_errcode_ret C.cl_int
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.clEnqueueWriteBufferRect(command_queue.cl_command_queue,
buffer.cl_mem,
C.cl_bool(blocking_write),
&c_buffer_origin[0],
&c_host_origin[0],
&c_region[0],
C.size_t(buffer_row_pitch),
C.size_t(buffer_slice_pitch),
C.size_t(host_row_pitch),
C.size_t(host_slice_pitch),
ptr,
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueWriteBufferRect(command_queue.cl_command_queue,
buffer.cl_mem,
C.cl_bool(blocking_write),
&c_buffer_origin[0],
&c_host_origin[0],
&c_region[0],
C.size_t(buffer_row_pitch),
C.size_t(buffer_slice_pitch),
C.size_t(host_row_pitch),
C.size_t(host_slice_pitch),
ptr,
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
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 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)
}