// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetSupportedImageFormats.html
func GetSupportedImageFormats(context Context, flags MemFlags, memObjectType MemObjectType, numEntries uint32, imageformats *ImageFormat, numImageFormat *uint32) ErrorCode {
return ErrorCode(C.clGetSupportedImageFormats(context.clContext,
C.cl_mem_flags(flags),
C.cl_mem_object_type(memObjectType),
C.cl_uint(numEntries),
(*C.cl_image_format)(unsafe.Pointer(imageformats)),
(*C.cl_uint)(numImageFormat)))
}
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 (ctx *Context) GetSupportedImageFormats(flags MemFlag, imageType MemObjectType) ([]ImageFormat, error) {
var formats [maxImageFormats]C.cl_image_format
var nFormats C.cl_uint
if err := C.clGetSupportedImageFormats(ctx.clContext, C.cl_mem_flags(flags), C.cl_mem_object_type(imageType), maxImageFormats, &formats[0], &nFormats); err != C.CL_SUCCESS {
return nil, toError(err)
}
fmts := make([]ImageFormat, nFormats)
for i, f := range formats[:nFormats] {
fmts[i] = ImageFormat{
ChannelOrder: ChannelOrder(f.image_channel_order),
ChannelDataType: ChannelDataType(f.image_channel_data_type),
}
}
return fmts, nil
}
