src/mesa/pipe/nouveau/nouveau_stateobj.h

   1 #ifndef __NOUVEAU_STATEOBJ_H__
   2 #define __NOUVEAU_STATEOBJ_H__
   3
   4 #include "pipe/p_util.h"
   5
   6 struct nouveau_stateobj_reloc {
   7         struct pipe_buffer *bo;
   8
   9         unsigned offset;
  10         unsigned packet;
  11
  12         unsigned data;
  13         unsigned flags;
  14         unsigned vor;
  15         unsigned tor;
  16 };
  17
  18 struct nouveau_stateobj {
  19         int refcount;
  20
  21         unsigned *push;
  22         struct nouveau_stateobj_reloc *reloc;
  23
  24         unsigned *cur;
  25         unsigned cur_packet;
  26         unsigned cur_reloc;
  27 };
  28
  29 static INLINE struct nouveau_stateobj *
  30 so_new(unsigned push, unsigned reloc)
  31 {
  32         struct nouveau_stateobj *so;
  33
  34         so = MALLOC(sizeof(struct nouveau_stateobj));
  35         so->refcount = 1;
  36         so->push = MALLOC(sizeof(unsigned) * push);
  37         so->reloc = MALLOC(sizeof(struct nouveau_stateobj_reloc) * reloc);
  38
  39         so->cur = so->push;
  40         so->cur_reloc = so->cur_packet = 0;
  41
  42         return so;
  43 }
  44
  45 static INLINE void
  46 so_ref(struct nouveau_stateobj *ref, struct nouveau_stateobj **pso)
  47 {
  48         struct nouveau_stateobj *so;
  49
  50         so = *pso;
  51         if (so) {
  52                 if (--so->refcount <= 0) {
  53                         free(so->push);
  54                         free(so->reloc);
  55                         free(so);
  56                 }
  57                 *pso = NULL;
  58         }
  59
  60         if (ref) {
  61                 ref->refcount++;
  62                 *pso = ref;
  63         }
  64 }
  65
  66 static INLINE void
  67 so_data(struct nouveau_stateobj *so, unsigned data)
  68 {
  69         (*so->cur++) = (data);
  70         so->cur_packet += 4;
  71 }
  72
  73 static INLINE void
  74 so_method(struct nouveau_stateobj *so, struct nouveau_grobj *gr,
  75           unsigned mthd, unsigned size)
  76 {
  77         so->cur_packet = (gr->subc << 13) | (1 << 18) | (mthd - 4);
  78         so_data(so, (gr->subc << 13) | (size << 18) | mthd);
  79 }
  80
  81 static INLINE void
  82 so_reloc(struct nouveau_stateobj *so, struct pipe_buffer *bo,
  83          unsigned data, unsigned flags, unsigned vor, unsigned tor)
  84 {
  85         struct nouveau_stateobj_reloc *r = &so->reloc[so->cur_reloc++];
  86
  87         r->bo = bo;
  88         r->offset = so->cur - so->push;
  89         r->packet = so->cur_packet;
  90         r->data = data;
  91         r->flags = flags;
  92         r->vor = vor;
  93         r->tor = tor;
  94         so_data(so, data);
  95 }
  96
  97 static INLINE void
  98 so_emit(struct nouveau_winsys *nvws, struct nouveau_stateobj *so)
  99 {
 100         struct nouveau_pushbuf *pb = nvws->channel->pushbuf;
 101         unsigned nr, i;
 102
 103         nr = so->cur - so->push;
 104         if (pb->remaining < nr)
 105                 nvws->push_flush(nvws->channel, nr);
 106         pb->remaining -= nr;
 107
 108         memcpy(pb->cur, so->push, nr * 4);
 109         for (i = 0; i < so->cur_reloc; i++) {
 110                 struct nouveau_stateobj_reloc *r = &so->reloc[i];
 111
 112                 nvws->push_reloc(nvws->channel, pb->cur + r->offset, r->bo,
 113                                  r->data, r->flags, r->vor, r->tor);
 114         }
 115         pb->cur += nr;
 116 }
 117
 118 static INLINE void
 119 so_emit_reloc_markers(struct nouveau_winsys *nvws, struct nouveau_stateobj *so)
 120 {
 121         struct nouveau_pushbuf *pb = nvws->channel->pushbuf;
 122         unsigned i;
 123
 124         i = so->cur_reloc << 1;
 125         if (nvws->channel->pushbuf->remaining < i)
 126                 nvws->push_flush(nvws->channel, i);
 127         nvws->channel->pushbuf->remaining -= i;
 128
 129         for (i = 0; i < so->cur_reloc; i++) {
 130                 struct nouveau_stateobj_reloc *r = &so->reloc[i];
 131
 132                 nvws->push_reloc(nvws->channel, pb->cur++, r->bo, r->packet,
 133                                  (r->flags &
 134                                   (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) |
 135                                  NOUVEAU_BO_DUMMY, 0, 0);
 136                 nvws->push_reloc(nvws->channel, pb->cur++, r->bo, r->data,
 137                                  r->flags | NOUVEAU_BO_DUMMY, r->vor, r->tor);
 138         }
 139 }
 140
 141 #endif