| 0,0 → 1,32 |
|---|
| #ifndef __NOUVEAU_STATEBUF_H__ |
| #define __NOUVEAU_STATEBUF_H__ |
| |
| /* state buffers: lightweight state objects interface */ |
| /* relocations are not supported, but Gallium CSOs don't require them */ |
| |
| struct nouveau_statebuf_builder |
| { |
| uint32_t* p; |
| #ifdef DEBUG |
| uint32_t* pend; |
| #endif |
| }; |
| |
| #ifdef DEBUG |
| #define sb_init(var) {var, var + sizeof(var) / sizeof((var)[0])} |
| #define sb_data(sb, v) do {assert((sb).p != (sb).pend); *(sb).p++ = (v);} while(0) |
| #else |
| #define sb_init(var) {var} |
| #define sb_data(sb, v) *(sb).p++ = (v) |
| #endif |
| |
| static INLINE uint32_t sb_header(unsigned subc, unsigned mthd, unsigned size) |
| { |
| return (size << 18) | (subc << 13) | mthd; |
| } |
| |
| #define sb_method(sb, v, n) sb_data(sb, sb_header(SUBC_3D(v), n)); |
| |
| #define sb_len(sb, var) ((sb).p - (var)) |
| #define sb_emit(push, sb_buf, sb_len) do {PUSH_SPACE((push), (sb_len)); PUSH_DATAp((push), (sb_buf), (sb_len)); } while(0) |
| #endif |