198 #define cl_packet_header(packet) V3DX(packet ## _header)  argument
199 #define cl_packet_length(packet) V3DX(packet ## _length)  argument
200 #define cl_packet_pack(packet)   V3DX(packet ## _pack)  argument
201 #define cl_packet_struct(packet) V3DX(packet)  argument
225 #define cl_emit(cl, packet, name)                                \  argument
226         for (struct cl_packet_struct(packet) name = {            \
227                 cl_packet_header(packet)                         \
233                 cl_packet_pack(packet)(cl, (uint8_t *)cl_out, &name); \
234                 cl_advance(&cl_out, cl_packet_length(packet));   \
239 #define cl_emit_with_prepacked(cl, packet, prepacked, name)      \  argument
240         for (struct cl_packet_struct(packet) name = {            \
241                 cl_packet_header(packet)                         \
247                 uint8_t packed[cl_packet_length(packet)];         \
248                 cl_packet_pack(packet)(cl, packed, &name);       \
249                 for (int _i = 0; _i < cl_packet_length(packet); _i++) \
251                 cl_advance(&cl_out, cl_packet_length(packet));   \
256 #define cl_emit_prepacked_sized(cl, packet, size) do {                \  argument
257         memcpy((cl)->next, packet, size);             \
261 #define cl_emit_prepacked(cl, packet) \  argument
262         cl_emit_prepacked_sized(cl, packet, sizeof(*(packet)))
264 #define v3dx_pack(packed, packet, name)                          \  argument
265         for (struct cl_packet_struct(packet) name = {            \
266                 cl_packet_header(packet)                         \
271                 cl_packet_pack(packet)(NULL, (uint8_t *)packed, &name); \
273                                                  cl_packet_length(packet))); \