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
}
//////////////// Abstract Functions ////////////////
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_SUCCESS {
return nil, toError(err)
}
if clBuffer == nil {
return nil, ErrUnknown
}
return newMemObject(clBuffer, len(data)), nil
}
func CLCreateImage(context CL_context,
flags CL_mem_flags,
image_format *CL_image_format,
image_desc *CL_image_desc,
host_ptr unsafe.Pointer,
errcode_ret *CL_int) CL_mem {
var c_image_format C.cl_image_format
var c_image_desc C.cl_image_desc
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_desc.image_type = C.cl_mem_object_type(image_desc.Image_type)
c_image_desc.image_width = C.size_t(image_desc.Image_width)
c_image_desc.image_height = C.size_t(image_desc.Image_height)
c_image_desc.image_depth = C.size_t(image_desc.Image_depth)
c_image_desc.image_array_size = C.size_t(image_desc.Image_array_size)
c_image_desc.image_row_pitch = C.size_t(image_desc.Image_row_pitch)
c_image_desc.image_slice_pitch = C.size_t(image_desc.Image_slice_pitch)
c_image_desc.num_mip_levels = C.cl_uint(image_desc.Num_mip_levels)
c_image_desc.num_samples = C.cl_uint(image_desc.Num_samples)
c_image_desc.buffer = image_desc.Buffer.cl_mem
c_image = C.clCreateImage(context.cl_context,
C.cl_mem_flags(flags),
&c_image_format,
&c_image_desc,
host_ptr,
&c_errcode_ret)
if errcode_ret != nil {
*errcode_ret = CL_int(c_errcode_ret)
}
return CL_mem{c_image}
}
