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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | #ifndef __NOUVEAU_STATEBUF_H__ |
| 2 | #define __NOUVEAU_STATEBUF_H__ |
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| 3 | |||
| 4 | /* state buffers: lightweight state objects interface */ |
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| 5 | /* relocations are not supported, but Gallium CSOs don't require them */ |
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| 6 | |||
| 7 | struct nouveau_statebuf_builder |
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| 8 | { |
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| 9 | uint32_t* p; |
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| 10 | #ifdef DEBUG |
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| 11 | uint32_t* pend; |
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| 12 | #endif |
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| 13 | }; |
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| 14 | |||
| 15 | #ifdef DEBUG |
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| 16 | #define sb_init(var) {var, var + sizeof(var) / sizeof((var)[0])} |
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| 17 | #define sb_data(sb, v) do {assert((sb).p != (sb).pend); *(sb).p++ = (v);} while(0) |
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| 18 | #else |
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| 19 | #define sb_init(var) {var} |
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| 20 | #define sb_data(sb, v) *(sb).p++ = (v) |
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| 21 | #endif |
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| 22 | |||
| 23 | static INLINE uint32_t sb_header(unsigned subc, unsigned mthd, unsigned size) |
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| 24 | { |
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| 25 | return (size << 18) | (subc << 13) | mthd; |
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| 26 | } |
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| 27 | |||
| 28 | #define sb_method(sb, v, n) sb_data(sb, sb_header(SUBC_3D(v), n)); |
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| 29 | |||
| 30 | #define sb_len(sb, var) ((sb).p - (var)) |
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| 31 | #define sb_emit(push, sb_buf, sb_len) do {PUSH_SPACE((push), (sb_len)); PUSH_DATAp((push), (sb_buf), (sb_len)); } while(0) |
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| 32 | #endif |