func CLCreateImage2D(context CL_context,
flags CL_mem_flags,
image_format *CL_image_format,
image_width CL_size_t,
image_height CL_size_t,
image_row_pitch CL_size_t,
host_ptr unsafe.Pointer,
errcode_ret *CL_int) CL_mem {
var c_image_format C.cl_image_format
var c_errcode_ret C.cl_int
var c_image C.cl_mem
c_image_format.image_channel_order = C.cl_channel_order(image_format.Image_channel_order)
c_image_format.image_channel_data_type = C.cl_channel_type(image_format.Image_channel_data_type)
c_image = C.clCreateImage2D(context.cl_context,
C.cl_mem_flags(flags),
&c_image_format,
C.size_t(image_width),
C.size_t(image_height),
C.size_t(image_row_pitch),
host_ptr,
&c_errcode_ret)
if errcode_ret != nil {
*errcode_ret = CL_int(c_errcode_ret)
}
return CL_mem{c_image}
}
func (ctx *Context) CreateImage(flags MemFlag, imageFormat ImageFormat, imageDesc ImageDescription, data []byte) (*MemObject, error) {
format := imageFormat.toCl()
desc := imageDesc.toCl()
var dataPtr unsafe.Pointer
if data != nil {
dataPtr = unsafe.Pointer(&data[0])
}
var err C.cl_int
clBuffer := C.clCreateImage(ctx.clContext, C.cl_mem_flags(flags), &format, &desc, dataPtr, &err)
if err == C.CL_INVALID_OPERATION {
// retry with deprecated functions
switch imageDesc.Type {
case MemObjectTypeImage2D:
clBuffer = C.clCreateImage2D(ctx.clContext, C.cl_mem_flags(flags), &format,
C.size_t(imageDesc.Width), C.size_t(imageDesc.Height), C.size_t(imageDesc.RowPitch), dataPtr, &err)
}
}
if err != C.CL_SUCCESS {
return nil, toError(err)
}
if clBuffer == nil {
return nil, ErrUnknown
}
return newMemObject(clBuffer, len(data)), nil
}
func (ctx *Context) CreateImage2D(flags MemFlag, imageFormat ImageFormat, width, height, rowPitch int, data []byte) (*MemObject, error) {
format := imageFormat.toCl()
var dataPtr unsafe.Pointer
if data != nil {
dataPtr = unsafe.Pointer(&data[0])
}
var err C.cl_int
clBuffer := C.clCreateImage2D(ctx.clContext, C.cl_mem_flags(flags), &format, C.size_t(width), C.size_t(height), C.size_t(rowPitch), dataPtr, &err)
if err != C.CL_SUCCESS {
return nil, toError(err)
}
if clBuffer == nil {
return nil, ErrUnknown
}
return newMemObject(clBuffer, len(data)), nil
}
func (c *Context) NewImage2D(flags MemFlags, order ChannelOrder, dataType ChannelType, width, height, rowPitch uint32, data *byte) (*Image, error) {
var c_buffer C.cl_mem
var err C.cl_int
format := new(C.cl_image_format)
format.image_channel_order = C.cl_channel_order(order)
format.image_channel_data_type = C.cl_channel_type(dataType)
if c_buffer = C.clCreateImage2D(c.id, C.cl_mem_flags(flags), format, C.size_t(width), C.size_t(height), C.size_t(rowPitch), unsafe.Pointer(data), &err); err != C.CL_SUCCESS {
return nil, Cl_error(err)
}
image := &Image{id: c_buffer, w: width, h: height, hostptr: data}
runtime.SetFinalizer(image, (*Image).release)
return image, nil
}
func (c *Context) NewImage2D(flags MemoryFlags, format ImageFormat, width, height, rowPitch uint32, data *byte) (*Image, error) {
var c_buffer C.cl_mem
var err C.cl_int
c_format := &C.cl_image_format{
image_channel_order: C.cl_channel_order(format.ChannelOrder),
image_channel_data_type: C.cl_channel_type(format.ChannelDataType)}
if c_buffer = C.clCreateImage2D(c.id, C.cl_mem_flags(flags), c_format, C.size_t(width), C.size_t(height), C.size_t(rowPitch), unsafe.Pointer(data), &err); err != C.CL_SUCCESS {
return nil, Cl_error(err)
}
image := &Image{id: c_buffer, format: format, properties: make(map[ImageProperty]Size)}
runtime.SetFinalizer(image, (*Image).release)
return image, nil
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateImage2D.html
func CreateImage2D(context Context, flags MemFlags, imageFormat ImageFormat, imageWidth, imageHeight, imageRowPitch uint64, hostptr unsafe.Pointer, errcode *ErrorCode) Mem {
return Mem(C.clCreateImage2D(context.clContext, C.cl_mem_flags(flags), imageFormat.toC(), C.size_t(imageWidth), C.size_t(imageHeight), C.size_t(imageRowPitch), hostptr, (*C.cl_int)(unsafe.Pointer(errcode))))
}