1#ifndef __NOUVEAU_STATEBUF_H__ 2#define __NOUVEAU_STATEBUF_H__ 3 4/* state buffers: lightweight state objects interface */ 5/* relocations are not supported, but Gallium CSOs don't require them */ 6 7struct nouveau_statebuf_builder 8{ 9 uint32_t* p; 10#ifdef DEBUG 11 uint32_t* pend; 12#endif 13}; 14 15#ifdef DEBUG 16#define sb_init(var) {var, var + sizeof(var) / sizeof((var)[0])} 17#define sb_data(sb, v) do {assert((sb).p != (sb).pend); *(sb).p++ = (v);} while(0) 18#else 19#define sb_init(var) {var} 20#define sb_data(sb, v) *(sb).p++ = (v) 21#endif 22 23static INLINE uint32_t sb_header(unsigned subc, unsigned mthd, unsigned size) 24{ 25 return (size << 18) | (subc << 13) | mthd; 26} 27 28#define sb_method(sb, v, n) sb_data(sb, sb_header(SUBC_3D(v), n)); 29 30#define sb_len(sb, var) ((sb).p - (var)) 31#define sb_emit(push, sb_buf, sb_len) do {PUSH_SPACE((push), (sb_len)); PUSH_DATAp((push), (sb_buf), (sb_len)); } while(0) 32#endif 33