workbench/libs/mesa/src/gallium/drivers/nouveau/nouveau_statebuf.h

   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
   7 struct 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
  23 #define sb_method(sb, v, n)  sb_data(sb, RING_3D(v, n));
  24
  25 #define sb_len(sb, var) ((sb).p - (var))
  26 #define sb_emit(chan, sb_buf, sb_len) do {WAIT_RING((chan), (sb_len)); OUT_RINGp((chan), (sb_buf), (sb_len)); } while(0)
  27 #endif