func (v *VertexDecl) Add(attrib Attrib, num uint8, typ AttribType, normalized bool, asint bool) {
C.bgfx_vertex_decl_add(
&v.decl,
C.bgfx_attrib_t(attrib),
C.uint8_t(num),
C.bgfx_attrib_type_t(typ),
C._Bool(normalized),
C._Bool(asint),
)
}
func VertexUnpack(attrib Attrib, decl VertexDecl, slice interface{}, index int) (output [4]float32) {
val := reflect.ValueOf(slice)
if val.Kind() != reflect.Slice {
panic(errors.New("bgfx: expected slice"))
}
C.bgfx_vertex_unpack(
(*C.float)(unsafe.Pointer(&output)),
C.bgfx_attrib_t(attrib),
&decl.decl,
unsafe.Pointer(val.Pointer()),
C.uint32_t(index),
)
return
}
func VertexPack(input [4]float32, normalized bool, attrib Attrib, decl VertexDecl, slice interface{}, index int) {
val := reflect.ValueOf(slice)
if val.Kind() != reflect.Slice {
panic(errors.New("bgfx: expected slice"))
}
C.bgfx_vertex_pack(
(*C.float)(unsafe.Pointer(&input)),
C._Bool(normalized),
C.bgfx_attrib_t(attrib),
&decl.decl,
unsafe.Pointer(val.Pointer()),
C.uint32_t(index),
)
}